MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95812bcc2e83a8aff10245562c35496f79fa19a0b93f023826077c138f2e4153. 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



CobaltStrike


Vendor detections: 16


Intelligence 16 IOCs YARA 16 File information Comments

SHA256 hash: 95812bcc2e83a8aff10245562c35496f79fa19a0b93f023826077c138f2e4153
SHA3-384 hash: 7fe1a0d54b2a09d60135506a0fce5eb4e8997d097f7af8e029cacf59c18e953ac7c28ae35f1dc9ac064b0a020a8d4eee
SHA1 hash: 1253d4bd8add0dba14a1bbe09344afa0f9ef0b28
MD5 hash: 1c5430f3bba0e41d6d2c01c2aeaf6e6e
humanhash: happy-three-massachusetts-yellow
File name:cs.exe
Download: download sample
Signature CobaltStrike
File size:228'864 bytes
First seen:2022-06-28 23:50:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike)
ssdeep 6144:LJ44TZAneV8C3x1aE1Meh6q+QQcLks1YarGR8+jE/l3j:few3aKOYDLks1YarGR8bNj
Threatray 185 similar samples on MalwareBazaar
TLSH T15624BFB0B41DBDA4F04B467A0D8EF0B2AE50BED7A45EA71B70F4A44697CA573340B643
TrID 38.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.0% (.EXE) Win64 Executable (generic) (10523/12/4)
8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter drb_ra
Tags:CobaltStrike

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cobaltstrike_shellcode.exe
Verdict:
Malicious activity
Analysis date:
2022-06-28 23:50:05 UTC
Tags:
cobalt

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file in the system32 directory
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug obfuscated
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
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CobaltStrike
Status:
Malicious
First seen:
2022-06-28 23:51:06 UTC
File Type:
PE (Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Cobaltstrike
Unpacked files
SH256 hash:
95812bcc2e83a8aff10245562c35496f79fa19a0b93f023826077c138f2e4153
MD5 hash:
1c5430f3bba0e41d6d2c01c2aeaf6e6e
SHA1 hash:
1253d4bd8add0dba14a1bbe09344afa0f9ef0b28
Detections:
cobaltstrike_xor_config
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:Cobaltbaltstrike_strike_Payload_XORed
Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
Rule name:CobaltStrikeBeacon
Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_XOR_Config_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CS_beacon
Author:Etienne Maynier tek@randhome.io
Rule name:HKTL_CobaltStrike_Beacon_Strings
Author:Elastic
Description:Identifies strings used in Cobalt Strike Beacon DLL
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
Rule name:HKTL_Unlicensed_CobaltStrike_EICAR_Jul18_5
Author:Florian Roth
Description:Detects strings found in CobaltStrike shellcode
Reference:https://researchcenter.paloaltonetworks.com/2018/07/unit42-new-threat-actor-group-darkhydrus-targets-middle-east-government/
Rule name:HKTL_Unlicensed_CobaltStrike_EICAR_Jul18_5_RID361D
Author:Florian Roth
Description:Detects strings found in malware samples in APT report in DarkHydrus
Reference:https://researchcenter.paloaltonetworks.com/2018/07/unit42-new-threat-actor-group-darkhydrus-targets-middle-east-government/
Rule name:HKTL_Win_CobaltStrike
Author:threatintel@volexity.com
Description:The CobaltStrike malware family.
Reference:https://www.volexity.com/blog/2021/05/27/suspected-apt29-operation-launches-election-fraud-themed-phishing-campaigns/
Rule name:malware_CobaltStrike_v3v4
Author:JPCERT/CC Incident Response Group
Description:detect CobaltStrike Beacon in memory
Reference:https://blogs.jpcert.or.jp/en/2018/08/volatility-plugin-for-detecting-cobalt-strike-beacon.html
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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