MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a000707cbde902af60095f470fffe45f05a6b72877eaa88b52ab790b677a197. 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: 9


Intelligence 9 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a000707cbde902af60095f470fffe45f05a6b72877eaa88b52ab790b677a197
SHA3-384 hash: 5be8a76e82ed22e0471799005ca15f063476303965aeccd3d38580cb1b54f5dcbec5919837e220609161614523a0478c
SHA1 hash: de42ffa2330d3fe8d881b2504f93e6ea98ca0160
MD5 hash: 60777c3c48cd4af011157bffca17f3dd
humanhash: william-oklahoma-item-freddie
File name:5a000707cbde902af60095f470fffe45f05a6b72877eaa88b52ab790b677a197
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:212'480 bytes
First seen:2020-11-15 22:48:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 199c3b2f92d728912bb206ea499d43f1 (179 x CobaltStrike)
ssdeep 3072:XlmvzUvcgI5Dl/OkYgdhhB7gZpm8GDTS4Vp4Y+StdIx2LD6j5U55J:XM4s/+mhhB1Z/hVp4aPvLmji
Threatray 254 similar samples on MalwareBazaar
TLSH 9824AFA17581C476C04A0075A60FCB7E9B79A8F459B5D4C7FB5C0AA89E722E3DB36303
Reporter seifreed
Tags:CobaltStrike

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Trojan.CobaltStrike-8091534-0
Create hunting rule

Win.Tool.CobaltStrike-6336852-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
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.
Result
Threat name:
ReflectiveLoader CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/539317
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: ReflectiveLoader
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 318756 Sample: vwq0xyFftI Startdate: 17/11/2020 Architecture: WINDOWS Score: 92 12 Malicious sample detected (through community Yara rule) 2->12 14 Antivirus / Scanner detection for submitted sample 2->14 16 Multi AV Scanner detection for submitted file 2->16 18 4 other signatures 2->18 6 loaddll32.exe 1 2->6         started        process3 process4 8 rundll32.exe 6->8         started        10 rundll32.exe 6->10         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a000707cbde902af60095f470fffe45f05a6b72877eaa88b52ab790b677a197/
Threat name:
Win32.PUA.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2020-11-15 22:49:16 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=liaaob6l32icv5qasx2hb776ixyfu23sq57kvcfvfk3zbntxuglq._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
0b57ef77e909553949381757c455fea136ae32a47f67e7a08934ac725f4998d4
CobaltStrike
3b458b2067e79527841e487b253098085ebf85b3c3e63f3688b00b028bf723c2
CobaltStrike
4cef7d4df5d1ee1236a471e6fdc0a981cc6a5ca97973b4240ce9e0e3ddbee058
CobaltStrike
505d4357b7214314f151a20d8306b9d90b0d69a91fad5e7d29dc5445d07639eb
CobaltStrike
7ef6871c88e5621779755d36face911e514f2ccd300cd95ddd7b2346df6374f2
CobaltStrike
97d2c8f0aa37e2f2b1c8262b16fe462f20ae8d8a262ba55f319535cfe41a18e7
CobaltStrike
bb9982522dd72db35eac1ce961fd2a697c1155333fcd483f35f23ff5bf8233ff
CobaltStrike
d1c694864523ee13235c70fb120b4605c07f840a0d2cee2b2707c7dfc9ec45f4
CobaltStrike
eec6242c2d70a864c633f68dc49ce4437eeb2e91c24785b2a3a16be7c17a5d4a
CobaltStrike
f3700a0835960a525c59f4e5dfd3302a50b36586fb00506f62611d97a0ef3ad2
CobaltStrike
+ 244 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike
Link:
https://tria.ge/reports/201115-8csewhbxx2/
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
5a000707cbde902af60095f470fffe45f05a6b72877eaa88b52ab790b677a197
MD5 hash:
60777c3c48cd4af011157bffca17f3dd
SHA1 hash:
de42ffa2330d3fe8d881b2504f93e6ea98ca0160
Link:
https://www.unpac.me/results/2a7416c3-0a50-419e-a35e-8a9eee81e696/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5a000707cbde902af60095f470fffe45f05a6b72877eaa88b52ab790b677a197

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:APT_CobaltStrike_Beacon_Indicator
Create hunting rule
Author:JPCERT
Description:Detects CobaltStrike beacons
Reference:https://github.com/JPCERTCC/aa-tools/blob/master/cobaltstrikescan.py
Rule name:Beacon_K5om
Create hunting rule
Author:Florian Roth
Description:Detects Meterpreter Beacon - file K5om.dll
Reference:https://www.fireeye.com/blog/threat-research/2017/06/phished-at-the-request-of-counsel.html
Rule name:CobaltStrike
Create hunting rule
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:CobaltStrikeBeacon
Create hunting rule
Author:enzo
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_Config_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CobaltStrike_Sleep_Decoder_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:CobaltStrike_Unmodifed_Beacon
Create hunting rule
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:crime_win32_csbeacon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:HKTL_Meterpreter_inMemory
Create hunting rule
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:Leviathan_CobaltStrike_Sample_1
Create hunting rule
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Malware_QA_vqgk
Create hunting rule
Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALW_cobaltrike
Create hunting rule
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect CobaltStrike beacon
Rule name:PowerShell_Susp_Parameter_Combo
Create hunting rule
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:WiltedTulip_ReflectiveLoader
Create hunting rule
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip
Reference:http://www.clearskysec.com/tulip

File information

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

  
Delivery method
Other

Comments