Uploaded_file Trojan CobaltStrike Analysis

Updated 2 years 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	2023-09-10 23:01:43 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

11,810,948

File Size (bytes)

2023-09-11

Analysis Date

Scan Another File

File Identification

Hash Type	Value	Action
MD5	964eeda03f4939d3eff1e45b91ec7e95
SHA1	08f51656b95ddd46897f49fcc1d4df63ff02ff48
SHA256	38e521776834af49ce316afbfa35ed493baf2aa14eaf2cd30bc917154734daef
SHA512	5c93f5d752ea1ae2a61e94a35432e594d7ee65eadf7cd2d9728a5a78c763e8a7a83d6c4e484b5a62fdcb8979b55e10e6e5368e7e0469e462e060974c2484e353
ImpHash	66c3b0658aee8083a055771d8886e0ab

PE Analysis

Basic Information

▼

Icon	Hash: 99f8909119f22355b3423d4cad169539 Fuzzy: c5a2ab820da81f9db77abd76bbd9764e dHash: c6c2ccc4f4e0e0f8
Image Base	`0x140000000`
Entry Point	`0x1401b5cc8`
Compilation Time	2023-09-08 01:17:01
Checksum	0x00b52388 (Actual: 0x00b52388)
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	9 libraries USER32, COMCTL32, KERNEL32, ADVAPI32, GDI32, IPHLPAPI, msvcrt, PSAPI, SHELL32
Exports	0 functions
Resources	9 Resources
Sections	5 Sections

PE Sections

▼

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	401,408 bytes	145,920 bytes	8.00 (Packed/Encrypted)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`DBFF4434017588700B0EDE0F7209341C`
`.sedata`	`0x00063000`	1,400,832 bytes	1,400,832 bytes	7.61 (Packed/Encrypted)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_NOT_PAGED\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`F5CAAE93E379FC210F434E132E9F1BAA`
`.idata`	`0x001b9000`	4,096 bytes	1,024 bytes	2.94 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_NOT_PAGED\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`67786FD542DA271930437F71F18CBD8F`
`.rsrc`	`0x001ba000`	65,536 bytes	62,976 bytes	7.53 (Packed/Encrypted)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`3E86772F326D107ED076F4049E4F540E`
`.sedata`	`0x001ca000`	4,096 bytes	4,096 bytes	7.98 (Packed/Encrypted)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`708001CB8BC514428AEBDBE7A9EA04FF`

Entropy Analysis Alert

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

Resource Analysis

▼

Total Resources: 9 (62,098 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	1,422 bytes	2.3%

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.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
Get Gridinsoft Anti-Malware — it's a quick 2 MB download that won't slow down your PC.
2
Run the installer gsam-en-install.exe. The setup takes about 2 minutes and doesn't require a restart.
3
The app launches right after installation. You'll see the main dashboard with the scan button front and center.
4
Hit "Standard Scan" — this checks all the spots where malware typically hides: temp folders, browser data, startup programs, and system directories.
5
Once the scan finds this threat, click "Clean Now". The removal usually happens instantly, though some stubborn infections may need a reboot.
6
If you see a restart prompt, go ahead and reboot. This clears any malware that was running in memory and ensures your system starts fresh.

Important: Before You Start

Quick tip: unplug from the internet before scanning. Some malware phones home for instructions or downloads extra payloads when it senses trouble. If the infection is severe, boot into Safe Mode first — it limits what can run and makes cleanup easier.

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