MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87523d0b699ea60e9bc0390e4373f994d6a4860c6811581b8738a1534d06a6be. 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: 11


Intelligence 11 IOCs YARA 35 File information Comments
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SHA256 hash: 87523d0b699ea60e9bc0390e4373f994d6a4860c6811581b8738a1534d06a6be
SHA3-384 hash: 3cab631b929b3c8f010653fa49a0aa11a331d8b0d5f49695f2fad9f31fff42600846cbb82dc66d549b607be8eec9451e
SHA1 hash: de39991dcd104886ede7eb799259ec16008a3812
MD5 hash: 8da3fb3554d2a4c74d6760473839b364
humanhash: romeo-delaware-seven-california
File name:8da3fb3554d2a4c74d6760473839b364.exe
Download: download sample
Signature CobaltStrike
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File size:1'778'688 bytes
First seen:2022-10-30 07:50:06 UTC
Last seen:2022-10-30 09:56:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (61 x LummaStealer, 49 x AuroraStealer, 45 x Vidar)
ssdeep 24576:r6keu/L2b3AZbDunay4NCGy4h8NgFoBlqeWAsz1P:r6keu/S3QbDuyCVzgFoBcgsz1
Threatray 352 similar samples on MalwareBazaar
TLSH T14585390BBC9090B9C4AAE231C96582D1BA317C990F3163D73B40BAFA2F767D45E75364
gimphash e1ffbb3e1dfab64bdc44025837f80720e0721922cbb55120465d73f445c26fe8
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)
Reporter abuse_ch
Tags:CobaltStrike exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
756
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8da3fb3554d2a4c74d6760473839b364.exe
Verdict:
No threats detected
Analysis date:
2022-10-30 07:56:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7a9b8e9d-3c9e-4e23-a9d1-9066d45d3719

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/326056/
Detection(s):
SecuriteInfo.com.BackDoor.Meterpreter.157.23524.2415.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/46754/overview
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
golang greyware meterpreter rozena
Link:
https://www.filescan.io/uploads/635e2ce7ce1f43143c2a0907/reports/5292cbcb-966d-4dcf-9600-aa2abcb0bd10/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:
ngrok-server
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Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/cfd0d069-a5c7-41d9-889e-1d2e32c86217
Result
Threat name:
CobaltStrike
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1101177
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87523d0b699ea60e9bc0390e4373f994d6a4860c6811581b8738a1534d06a6be/
Threat name:
Win64.Backdoor.CobaltStrikeBeacon
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Status:
Malicious
First seen:
2022-10-26 11:23:36 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 41 (43.90%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q5jd2c3jt2ta5g6aheheg47zstlkjbqmnaivqg4hhcqvgtigu27a._file
Verdict:
malicious
Label(s):
cobaltstrike
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Similar samples:
020310c0e3b9f57084cad59e1f039d99b2d6760672b77972a461fc0c8e10eba3
CobaltStrike
082fcd9ef4cdc07bffb3b05c1980bb9a0ce69cf3ed727b2d8eb9bece21f5eeb1
CobaltStrike
289c87f5ccce0a389e15497c640ace9d86310ed7dc7be0836353e88f23610cad
CobaltStrike
2d7098f48e7b371769d746383521d8a5c5c4045d80a4c11827d8daac4b5a4b2f
CobaltStrike
39a7738c00d6a5dcc4709ad2e3f0b57565f7dc0325bdb5942c3e696c5736bc5a
CobaltStrike
b4cfc49d647ebeffb99579dbd4be2a4ca779e3d36b60656aaa9d616ac343e991
CobaltStrike
e29626e9cf755cc084adf9c08b0f6fd5750d86f5cfe580ca971c29c0110f590e
CobaltStrike
e2aba4ac95ff3b89b59c43aa28d8df2e4875d4931dc81eab57f8ada4625ea712
CobaltStrike
fa960470b3b07537a4b40fa6754ad494fadb9f46d02dbf4fdb696c4709624c9f
CobaltStrike
+ 342 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:0 backdoor trojan
Link:
https://tria.ge/reports/221030-jptrxabbbm/
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://www.virusltotal.cf:2053/yFPN
Unpacked files
SH256 hash:
87523d0b699ea60e9bc0390e4373f994d6a4860c6811581b8738a1534d06a6be
MD5 hash:
8da3fb3554d2a4c74d6760473839b364
SHA1 hash:
de39991dcd104886ede7eb799259ec16008a3812
Link:
https://www.unpac.me/results/50813891-5f19-4984-a1c3-55bdfd4aff31/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
Link:
https://yomi.yoroi.company/submissions/87523d0b699ea60e9bc0390e4373f994d6a4860c6811581b8738a1534d06a6be

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
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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:Cobaltstrike1
Create hunting rule
Author:Ahmet Payaslioglu | Binalyze DFIR LAB
Description:Cobalt Strike Detection
Rule name:Cobaltstrike2
Create hunting rule
Author:Ahmet Payaslioglu | Binalyze DFIR LAB
Description:Cobalt Strike Detection
Rule name:CobaltStrikeBeacon
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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_MZ_Launcher
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Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
Rule name:CobaltStrike_ReflectiveLoader_RID3297
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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:command_and_control
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Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
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:GoBinTest
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Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
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_CobaltStrike_SleepMask_Jul22
Create hunting rule
Author:CodeX
Description:Detects static bytes in Cobalt Strike 4.5 sleep mask function that are not obfuscated
Reference:https://codex-7.gitbook.io/codexs-terminal-window/blue-team/detecting-cobalt-strike/sleep-mask-kit-iocs
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:identity_golang
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Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_ReflectiveLoader
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Author:ditekSHen
Description:detects Reflective DLL injection artifacts
Rule name:Leviathan_CobaltStrike_Sample_1
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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
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Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALWARE_Win_CobaltStrike
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Author:ditekSHen
Description:CobaltStrike payload
Rule name:MALW_cobaltrike
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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:methodology_golang_build_strings
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Author:smiller
Description:Looks for PEs with a Golang build ID
Rule name:PowerShell_Susp_Parameter_Combo_RID336F
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Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
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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:troj_win_cobaltstrike_memoryinject
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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:Windows_Trojan_CobaltStrike_1787eef5
Create hunting rule
Author:Elastic Security
Description:CS shellcode variants
Rule name:Windows_Trojan_CobaltStrike_663fc95d
Create hunting rule
Author:Elastic Security
Description:Identifies CobaltStrike via unidentified function code
Rule name:Windows_Trojan_CobaltStrike_ee756db7
Create hunting rule
Author:Elastic Security
Description:Attempts to detect Cobalt Strike based on strings found in BEACON
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/326056/

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