MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5c593eb10459255fb0fa5500d3f047a44e5995fe6fd43e3dcc49f55501be30e. 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 28 File information Comments
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SHA256 hash: c5c593eb10459255fb0fa5500d3f047a44e5995fe6fd43e3dcc49f55501be30e
SHA3-384 hash: 3080eb7ed1078c026bc88ea3e0dd53d96c2fe28b4717d4c2c4fe06dfd3bb5230fb6353cb8e663701ed492c50ceb75d4f
SHA1 hash: 90a63aeab574f35c29560774a150f39a39703ea9
MD5 hash: e5cceb42d02cd466ac16c74038f88529
humanhash: vegan-fourteen-tennis-lactose
File name:111.bin
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:284'672 bytes
First seen:2022-06-21 09:22:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dc25ee78e2ef4d36faa0badf1e7461c9 (118 x CobaltStrike, 5 x Cobalt Strike)
ssdeep 3072:GR0OPSy0WTW4cpwQ9kaXkug8nWQmkOiFnnn1xLoztnoIse:GR0OPSy0YubkOnWCOUFoBnG
Threatray 674 similar samples on MalwareBazaar
TLSH T1AA54CF64DC5E3953FF8887B91607A73E2A3CFED102459D152619850CD8FBC28C9C7EA9
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 KdssSupport
Tags:CobaltStrike exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
630
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
cobaltstrike
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ID:
1
File name:
111.exe
Verdict:
Malicious activity
Analysis date:
2022-06-20 14:36:25 UTC
Tags:
cobalt trojan cobaltstrike
Link:
https://app.any.run/tasks/01821cb6-8846-4dae-a099-17aa0e18938f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrike
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281876/
Detection(s):
Win.Trojan.CobaltStrike-7899872-1
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Win.Countermeasure.LoaderWinGeneric-9804845-2
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/62b18dfaf48f0de408a051df/reports/4502d40e-100d-42eb-8c1d-06a9e1b2a5b8/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3cd88678-ced5-48db-bead-e3a65910ef27
Result
Threat name:
CobaltStrike, ReflectiveLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016942
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (creates a PE file in dynamic memory)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Yara detected CobaltStrike
Yara detected ReflectiveLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5c593eb10459255fb0fa5500d3f047a44e5995fe6fd43e3dcc49f55501be30e/
Threat name:
Win32.Trojan.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 09:23:09 UTC
File Type:
PE (Exe)
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yxczh2yqiwjfl6ypuvia2pyepjcolgk7436uhy64yspvkua34mha._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
1082724aab36b71b4dc71685776a7c8f5069dd4c269e514eed362af80e1e1450
CobaltStrike
37a042c1055f13e3b2b901d79a982adc1b771b9c8371a91e2b210d24931e75f8
CobaltStrike
4848f4d9f2f20eb729f3cb2b7c80ee92d2fe4df59c847031123d714c3ad650af
CobaltStrike
6c91d046466c2770fede4f82714807bbd672bc60ca7453c6f968ece50bdb33ef
CobaltStrike
7c459b8af45fb919074c455f2114376b6c4ed126f75b73c9979ebdcce70538b0
CobaltStrike
7d393a34237a6d5d1df6e2178afd69b2e918a98f13802ea831c6f85801b84079
CobaltStrike
975b4d651dff5feb57a57bc9e093cd60a2ff10ed02f08a6a11d06de3e4b25653
CobaltStrike
eb86c3f0afa27791f60270fdb97b4eed295b31735b6fb45c37a6503d0bf3511d
CobaltStrike
+ 664 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Link:
https://tria.ge/reports/220621-lcf2dsehf3/
Behaviour
Cobaltstrike
Unpacked files
SH256 hash:
5f04b7bbb58ece477e63cc427144c1a746f3314efa213a5891a0debb288cf76e
MD5 hash:
4ee9b63a486644fe0f2ce349df8606c1
SHA1 hash:
0c199684e7efec296c47681e736678473fb4864e
Detections:
win_cobalt_strike_auto
Create hunting rule
Link:
https://www.unpac.me/results/cf9dfc74-c702-4e30-ac43-c3b074ece80b/
SH256 hash:
c5c593eb10459255fb0fa5500d3f047a44e5995fe6fd43e3dcc49f55501be30e
MD5 hash:
e5cceb42d02cd466ac16c74038f88529
SHA1 hash:
90a63aeab574f35c29560774a150f39a39703ea9
Link:
https://www.unpac.me/results/cf9dfc74-c702-4e30-ac43-c3b074ece80b/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5c593eb1045/report/overview.html
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/c5c593eb10459255fb0fa5500d3f047a44e5995fe6fd43e3dcc49f55501be30e

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: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:Beacon_K5om_RID2B14
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:CobaltStrikeBeacon
Create hunting rule
Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_XOR_Config_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CobaltStrike_ReflectiveLoader_RID3297
Create hunting rule
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike)
Reference:http://www.clearskysec.com/tulip
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:CS_beacon
Create hunting rule
Author:Etienne Maynier tek@randhome.io
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:HKTL_CobaltStrike_Beacon_Strings
Create hunting rule
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
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:HKTL_Win_CobaltStrike
Create hunting rule
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:INDICATOR_SUSPICIOUS_ReflectiveLoader
Create hunting rule
Author:ditekSHen
Description:detects Reflective DLL injection artifacts
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:Leviathan_CobaltStrike_Sample_1_RID3324
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:MALWARE_Win_CobaltStrike
Create hunting rule
Author:ditekSHen
Description:CobaltStrike payload
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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:PowerShell_Susp_Parameter_Combo_RID336F
Create hunting rule
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:troj_win_cobaltstrike_memoryinject
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Detects Cobalt Strike payload typically loaded into memory via PowerShell.
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
Rule name:win_cobalt_strike_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cobalt_strike.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/281876/

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