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Medellin_a64.exe Trojan CobaltStrike Analysis

Updated 1 year ago
Checked by Malware Check
medellin_a64.exe

Technical Analysis

File Name medellin_a64.exe
File Type
PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows
Scanner Version 1.0.168.174
Database Version 2024-03-02 00:00:14 UTC
⚠

Trojan.Win64.CobaltStrike.tr

Malware family: CobaltStrike

Cobalt Strike is a penetration testing framework that deploys the Beacon agent for system control. While designed for legitimate security testing, it provides command execution, keylogging, file transfer, privilege escalation, and lateral movement capabilities. The tool operates in-memory to avoid disk-based detection and supports multiple communication protocols.
N/A
Detection Rate
19,456
File Size (bytes)
2024-03-02
Analysis Date

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File Identification

Hash Type Value Action
MD5
02e9c672ea01108f756a99fce1565d13
SHA1
3bb4fa1d09facebca7020a6ea106349bfe3cd732
SHA256
e537a0e18d56805e3c516ad561030e78cc85164df51ee9a0d4df0f51d83c6806
SHA512
0c3d987bea551145ee1f0b215163dd30ac4f80747cefc4435b9bf745a0bd6692cd547dfcf0e744aa40ad2f42b6ae39fdda41965dba228d3305d7977e55c94bce
ImpHash
147442e63270e287ed57d33257638324

PE Analysis

Basic Information

▼
Image Base 0x00400000
Entry Point 0x004014c0
Compilation Time 1970-01-01 00:00:00
Checksum 0x0000969b (Actual: 0x0000969b)
OS Version 4.0
PEiD Signatures PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows
Digital Signature The PE file does not contain a certificate table.
Imports 2 libraries
KERNEL32, msvcrt
Exports 0 functions
Resources 0 Resources
Sections 9 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 8,360 bytes 8,704 bytes 5.92 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_ALIGN_16BYTES 3040BA596609D0F7BA50AC030468B13E
.data 0x00004000 1,264 bytes 1,536 bytes 5.82 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_32BYTES 609326129F49CDC37213AE90BDFEF8B0
.rdata 0x00005000 2,320 bytes 2,560 bytes 4.47 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_ALIGN_32BYTES B02C91451E7ABAD85F4A5BBE48FD6333
.pdata 0x00006000 696 bytes 1,024 bytes 2.97 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_ALIGN_4BYTES AD5EC754CF0E204A3A3C39436081F3BC
.xdata 0x00007000 568 bytes 1,024 bytes 2.63 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_ALIGN_4BYTES 6CE9E303FB86766D702ECB2B174CF348
.bss 0x00008000 2,512 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_32BYTES D41D8CD98F00B204E9800998ECF8427E
.idata 0x00009000 2,264 bytes 2,560 bytes 3.71 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_4BYTES EC8DEDB62953693CF02784F71F75D547
.CRT 0x0000a000 104 bytes 512 bytes 0.27 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_8BYTES 52D79E9AECF5D5C3145D3EC54AA197A8
.tls 0x0000b000 16 bytes 512 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_8BYTES BF619EAC0CDF3F68D496EA9344137E8B

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

The PE file does not contain a certificate table.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Trojan.Win64.CobaltStrike.tr Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win64.CobaltStrike.tr without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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