MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a9b37a8c3a1a2476a2e44d0dcba2b117bd300983b337af45de92d31881170962. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Cobalt Strike
Vendor detections: 18
| SHA256 hash: | a9b37a8c3a1a2476a2e44d0dcba2b117bd300983b337af45de92d31881170962 |
|---|---|
| SHA3-384 hash: | c664913d3eeeba1f80b515eadc24d909855fe067859ee1c48fde68c0b3f1d397b58050cb29f4f8fc65f899f9588c3102 |
| SHA1 hash: | f644da7d726f63f776b0bea2e41c10341b8c2e98 |
| MD5 hash: | 2b7d244953b3fc58d6cf6e260ac0399a |
| humanhash: | north-sixteen-jersey-lion |
| File name: | 2b7d244953b3fc58d6cf6e260ac0399a |
| Download: | download sample |
| Signature | Cobalt Strike |
| File size: | 328'704 bytes |
| First seen: | 2024-08-04 13:00:39 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike) |
| ssdeep | 6144:sK+i2u8ayKwhMf255d7EoAmFnvFp9iUIqNMpm2wMwO9nUYjcl4PO0/ZnXt/NBC9:sKD8mUMeTdgo/Dp9iUIqNMpm2wMwynUn |
| Threatray | 512 similar samples on MalwareBazaar |
| TLSH | T1EB64AE68B9CB38ACD582C03C73BEFD6AEEFF17A572505B7528AA64010E13947365F405 |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10523/12/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  zbetcheckin |
| Tags: | 64 Cobalt Strike exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
322
Origin country :
FRVendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
2b7d244953b3fc58d6cf6e260ac0399a
Verdict:
Malicious activity
Analysis date:
2024-08-04 13:05:30 UTC
Tags:
cobaltstrike
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Network Stealth Cobaltstrike
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Connection attempt
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug cobalt cobalt cobaltstrike config-extracted packed
Verdict:
Malicious
Labled as:
Tedy.Generic
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Cobalt Strike
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Found API chain indicative of debugger detection
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected CobaltStrike
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
cobaltstrike
Threat name:
Win64.Backdoor.CobaltStrike
Status:
Malicious
First seen:
2024-07-31 21:51:57 UTC
File Type:
PE+ (Exe)
AV detection:
31 of 38 (81.58%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 502 additional samples on MalwareBazaar
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a9b37a8c3a1a2476a2e44d0dcba2b117bd300983b337af45de92d31881170962
MD5 hash:
2b7d244953b3fc58d6cf6e260ac0399a
SHA1 hash:
f644da7d726f63f776b0bea2e41c10341b8c2e98
Malware family:
CobaltStrike
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Windows_Trojan_CobaltStrike_7f8da98a |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_cobaltstrike_pipe_strings_nov_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects default strings related to cobalt strike named pipes |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::GetStartupInfoA |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileA |
Comments
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