MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e5364644255681ae085c113b6d88e4d3bc1db18d3ef8c06b8264194a39687e9. 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: 12


Intelligence 12 IOCs YARA 15 File information Comments

SHA256 hash: 2e5364644255681ae085c113b6d88e4d3bc1db18d3ef8c06b8264194a39687e9
SHA3-384 hash: c810388e5942a088edf657178ecf396cd2d1677c9bdf15f1656164453378c76d6664259705fd6472e0faf95574f72439
SHA1 hash: 00b9b0cc846add4164dde07a4b03e357118a3126
MD5 hash: e178cc94333d536aaf159b641ab71b2c
humanhash: blue-bravo-mobile-bacon
File name:绩效系统员工操作手册-目标管理+绩效管理_云公司考核者版.exe
Download: download sample
Signature CobaltStrike
File size:4'654'592 bytes
First seen:2022-05-24 09:15:47 UTC
Last seen:2022-05-24 09:54:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 62a5dd25af85564e3aeb55c6407225e3 (2 x CobaltStrike)
ssdeep 98304:S0+E9G0Iv7XF4UNLQPrGR4C3hrx+LWGXHt9lOYN:fX9G0Iv714QX2C37+LWG3tH
Threatray 1'416 similar samples on MalwareBazaar
TLSH T1C526CF1AAB6508E4DCB6C2348A565633E7B1BC1527716BEB03A0F6771F33AD11E3A704
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 30828c988c868a30 (2 x BluStealer, 2 x CobaltStrike)
Reporter obfusor
Tags:CobaltStrike exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
709
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
two-samplesss.zip
Verdict:
Malicious activity
Analysis date:
2022-05-24 08:19:44 UTC
Tags:
n/a

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

Behaviour
DNS request
Sending a custom TCP request
Sending an HTTP POST request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand.exe greyware packed
Result
Verdict:
UNKNOWN
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:
76 / 100
Signature
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Found malware configuration
Multi AV Scanner detection for submitted file
Self deletion via cmd delete
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win64.Backdoor.CobaltStrikeBeacon
Status:
Suspicious
First seen:
2022-05-24 09:16:11 UTC
File Type:
PE+ (Exe)
Extracted files:
150
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Deletes itself
Unpacked files
SH256 hash:
2e5364644255681ae085c113b6d88e4d3bc1db18d3ef8c06b8264194a39687e9
MD5 hash:
e178cc94333d536aaf159b641ab71b2c
SHA1 hash:
00b9b0cc846add4164dde07a4b03e357118a3126
Detections:
win_mail_o_auto
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: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:CobaltStrike_MZ_Launcher
Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
Rule name:CobaltStrike_Sleep_Decoder_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:HKTL_CobaltStrike_Beacon_4_2_Decrypt
Author:Elastic
Description:Identifies deobfuscation routine used in Cobalt Strike Beacon DLL version 4.2
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
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_Meterpreter_inMemory
Author:netbiosX, Florian Roth
Description:Detects Meterpreter in-memory
Reference:https://www.reddit.com/r/purpleteamsec/comments/hjux11/meterpreter_memory_indicators_detection_tooling/
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:MALW_cobaltrike
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Rule to detect CobaltStrike beacon
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.cobalt_strike
Rule name:ReflectiveLoader
Author:Florian Roth
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:Trojan_Raw_Generic_4
Author:FireEye
Reference:https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html
Rule name:win_cobalt_strike_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cobalt_strike.
Rule name:win_mail_o_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.mail_o.

File information


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

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