MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a430979a8135771d0a0ffce9ef6755052ae788dec08e9a095d5e63f9b6f387f6. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments 1

SHA256 hash: a430979a8135771d0a0ffce9ef6755052ae788dec08e9a095d5e63f9b6f387f6
SHA3-384 hash: 90ca94f9c1d8f32166fe85bdf811b263687abf9b85b1d28a26e919d34fd3ea49c9d72cf1f315398779bbff11192de8d7
SHA1 hash: 9f707057f162e7b6b6a51fd0b8ad1f155ae6438b
MD5 hash: b079e06ca60cf07b35abd19e225d3e1c
humanhash: five-six-fish-pasta
File name:b079e06ca60cf07b35abd19e225d3e1c
Download: download sample
Signature Cobalt Strike
File size:328'704 bytes
First seen:2024-10-07 19:58:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike)
ssdeep 6144:eURR/+NIoAAM7LSae3Nw8ltR8ZllIhfSjJE/1Foa+nl:eUzXledw4RoSh3XoPn
Threatray 623 similar samples on MalwareBazaar
TLSH T15364AE7DEBB357CAD22187FD81AC5049389B3A638EF3BC31D11427960A22A94D5E3D74
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)
Magika pebin
Reporter zbetcheckin
Tags:64 Cobalt Strike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
370
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
b079e06ca60cf07b35abd19e225d3e1c
Verdict:
Malicious activity
Analysis date:
2024-10-07 20:00:26 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:
Cobaltstrike Emotet Cobalt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cobalt config-extracted packed
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
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (creates a PE file in dynamic memory)
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 submitted file
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected CobaltStrike
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Threat name:
Win64.Backdoor.CobaltStrike
Status:
Malicious
First seen:
2024-10-07 19:59:07 UTC
File Type:
PE+ (Exe)
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Verdict:
Malicious
Tags:
red_team_tool cobalt_strike meterpreter
YARA:
win_cobaltstrike_pipe_strings_nov_2023 Windows_Trojan_CobaltStrike_7f8da98a
Unpacked files
SH256 hash:
a430979a8135771d0a0ffce9ef6755052ae788dec08e9a095d5e63f9b6f387f6
MD5 hash:
b079e06ca60cf07b35abd19e225d3e1c
SHA1 hash:
9f707057f162e7b6b6a51fd0b8ad1f155ae6438b
Malware family:
CobaltStrike
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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

Cobalt Strike

Executable exe a430979a8135771d0a0ffce9ef6755052ae788dec08e9a095d5e63f9b6f387f6

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::GetStartupInfoA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments



Avatar
zbet commented on 2024-10-07 19:58:34 UTC

url : hxxp://89.197.154.116/Session.exe