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Uploaded_file Trojan CobaltStrike Analysis

Updated 1 year ago
Checked by Malware Check
uploaded_file

Technical Analysis

File Name uploaded_file
File Type
PE32+ executable (GUI) x86-64, for MS Windows
Scanner Version 1.0.138.174
Database Version 2023-09-12 15:04:41 UTC
⚠

Trojan.Win64.CobaltStrike.bot

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
5,544,686
File Size (bytes)
2023-09-12
Analysis Date

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File Identification

Hash Type Value Action
MD5
791221dc928aac8ba1f386e8f14e1003
SHA1
e6a5956b9548a7f797ea9f153ce8d7f7cdd09a4c
SHA256
67075d91ffc50bc02bde4e68038648232b2efdd567de02f03d319833e1fe1994
SHA512
771931099f095d3e85c9771a8542a5ab0d39d856b90380e597a36ea56478d14ec6fa6cb924d377fa8cb2e04796cc721279bc1425f5d7e55ce9bba3bf20daad49
ImpHash
c5640c7a22008f949f9bc94a27623f95

PE Analysis

Basic Information

▼
Icon
Hash: 99f8909119f22355b3423d4cad169539
Fuzzy: c5a2ab820da81f9db77abd76bbd9764e
dHash: c6c2ccc4f4e0e0f8
Image Base 0x140000000
Entry Point 0x14000a8c8
Compilation Time 2023-09-12 06:21:47
Checksum 0x005500b3 (Actual: 0x005500b3)
OS Version 5.2
PEiD Signatures PE32+ executable (GUI) x86-64, for MS Windows
Digital Signature The PE file does not contain a certificate table.
Imports 5 libraries
USER32, COMCTL32, KERNEL32, ADVAPI32, GDI32
Exports 0 functions
Resources 9 Resources
Sections 7 Sections

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 144,848 bytes 144,896 bytes 6.47 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 050AD070D74C0AB2BACA6EE9C3B61B5D
.rdata 0x00025000 71,832 bytes 72,192 bytes 5.71 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 63654E9513AEDB42DFB00F4EFF869E8B
.data 0x00037000 66,456 bytes 3,072 bytes 1.86 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE B88590CA230F956BA7B5BFFCBEE69475
.pdata 0x00048000 7,656 bytes 7,680 bytes 5.39 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 626AB1518BC3687E03DACD39BBFDE649
_RDATA 0x0004a000 244 bytes 512 bytes 1.96 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 3FA4BB815D2865EB13CA6B140CCF210F
.rsrc 0x0004b000 62,624 bytes 62,976 bytes 7.56 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 2784D91522DC6AD4EDA29C0CCE594C90
.reloc 0x0005b000 1,864 bytes 2,048 bytes 5.22 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ AB10229E6319EA5B4DDE9F2A80EC60F0
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

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Total Resources: 9 (62,104 bytes)
Resource Type Count Total Size Percentage
RT_ICON 7 60,572 bytes
97.5%
RT_GROUP_ICON 1 104 bytes
0.2%
RT_MANIFEST 1 1,428 bytes
2.3%

Certificate Chain Analysis

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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.bot Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win64.CobaltStrike.bot 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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