MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6545de8aaa1428dd634c31d5205360a32f0dbc3c81bf1322ee0441f97052b4fa. 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: 17


Intelligence 17 IOCs YARA 39 File information Comments
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SHA256 hash: 6545de8aaa1428dd634c31d5205360a32f0dbc3c81bf1322ee0441f97052b4fa
SHA3-384 hash: 4d2db20446c3abdda18c7581a92bf86bbbf70a3872618375108bd52dd80dc49b0550729efb62276501aa361bdade825f
SHA1 hash: 0140ae80d8abddbb12582ce734016833b2871e36
MD5 hash: 1d1d39d7fb96291f3594fc6cacbe3c8a
humanhash: enemy-lithium-pasta-emma
File name:1d1d39d7fb96291f3594fc6cacbe3c8a.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:295'936 bytes
First seen:2023-03-23 22:45:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike)
ssdeep 6144:FOVvYTxgagIKrD8Pe3EbKS1aWk2/dS/UdaVHynV5axiNoZ5XHddG:FsYOagIcYPeMKS1arn8sVHynV5axiNwM
Threatray 240 similar samples on MalwareBazaar
TLSH T101548DF67562358FD38C8A7D816FBD5DB389A4511CCA9121D7E05FBA1C313ABC239288
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:CobaltStrike exe


Avatar
abuse_ch
CobaltStrike C2:
81.68.136.116:8082

Intelligence

File Origin
# of uploads :
1
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
meterpreter
Create hunting rule
ID:
1
File name:
1d1d39d7fb96291f3594fc6cacbe3c8a.exe
Verdict:
Malicious activity
Analysis date:
2023-03-23 22:47:23 UTC
Tags:
meterpreter trojan cobaltstrike
Link:
https://app.any.run/tasks/3c18b53e-cfef-4c49-aabb-b59470e5f88a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/376940/
Detection(s):
Win.Trojan.CobaltStrike-9044898-1
Create hunting rule

Win.Trojan.CobaltStrike-7899871-1
Create hunting rule

Win.Countermeasure.LoaderWinGeneric-9804845-2
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74478/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CallSleep
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cobalt cobaltstrike csgo meterpreter packed
Link:
https://www.filescan.io/uploads/641cd6ab80ca4ca1ff58b95b/reports/be627b5b-26e8-46e6-8751-f4a11d4fde41/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6545de8aaa1428dd634c31d5205360a32f0dbc3c81bf1322ee0441f97052b4fa
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/63a50ca2-5719-4a71-bb63-50b71f333719
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1200854
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Found API chain indicative of debugger detection
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Detection:
cobaltstrike
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6545de8aaa1428dd634c31d5205360a32f0dbc3c81bf1322ee0441f97052b4fa/
Threat name:
Win64.Backdoor.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2023-03-21 06:29:45 UTC
File Type:
PE+ (Exe)
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvc55cvkcqun2y2mghksau3aumxq3pb4qg7rgixoara7s4cswt5a._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
0ffdeb5f315763a2edd720acafaa9022dba2955ec52f6ac569ce7f5feaed57a1
CobaltStrike
336a797cf6b66ac1e2e2cd7f9f0232e27ae18577e7e93398f464dafaf810d9b3
CobaltStrike
55507747ebd160778529344299cbce5ff239de57d0a3e7d2148763797d993db2
CobaltStrike
5630076d51f7ba1412cd3873654f47fe86fc45b99885e782aec0b639de8599a2
CobaltStrike
6237b5f8b6ee20c3fad9463266a4a7c787f2738f71dc81792cd6a0efe38b8685
CobaltStrike
6a78c66b2a1ef44584c3b1bac11649275cac70dd5768bcdeeb3c439420354c01
CobaltStrike
89d9f800f58805c09716267b30a0dc26117c8bafebee899b9060e0d2d244ac88
CobaltStrike
a58150ce39e22e8e67f9b582c3064cd8701cdabb4f1ac7ae22c8fc6e0bc2e93b
CobaltStrike
+ 230 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:391144938 backdoor trojan
Link:
https://tria.ge/reports/230323-2pypzaaf48/
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://81.68.136.116:8082/ga.js
Unpacked files
SH256 hash:
6545de8aaa1428dd634c31d5205360a32f0dbc3c81bf1322ee0441f97052b4fa
MD5 hash:
1d1d39d7fb96291f3594fc6cacbe3c8a
SHA1 hash:
0140ae80d8abddbb12582ce734016833b2871e36
Link:
https://www.unpac.me/results/9c4152af-1c60-4321-b45f-b2e71d54c300/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6545de8aaa14/report/overview.html
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:Beacon_K5om
Create hunting rule
Author:Florian Roth (Nextron Systems)
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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Cobaltbaltstrike_Beacon_x64
Create hunting rule
Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
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
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_MZ_Launcher
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
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_Sleep_Decoder_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:CobaltStrike_Sleeve_BeaconLoader_VA_x64_o_v4_3_v4_4_v4_5_and_v4_6
Create hunting rule
Author:gssincla@google.com
Description:Cobalt Strike's sleeve/BeaconLoader.VA.x64.o (VirtualAlloc) Versions 4.3 through at least 4.6
Reference:https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse
Rule name:CobaltStrike_Unmodifed_Beacon
Create hunting rule
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:CobaltStrike__Sleeve_BeaconLoader_VA_x64_o_v4_3_v4_4_v4_5_and_v4_6
Create hunting rule
Author:gssincla@google.com
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:HKTL_CobaltStrike_Beacon_4_2_Decrypt
Create hunting rule
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
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: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 (Nextron Systems)
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_CobaltStrike_v3v4
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:Malware_QA_vqgk
Create hunting rule
Author:Florian Roth (Nextron Systems)
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:MALW_cobaltrike
Create hunting rule
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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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 (Nextron Systems)
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
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 (Nextron Systems)
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_b54b94ac
Create hunting rule
Author:Elastic Security
Description:Rule for beacon sleep obfuscation routine
Rule name:Windows_Trojan_CobaltStrike_ee756db7
Create hunting rule
Description:Attempts to detect Cobalt Strike based on strings found in BEACON
Rule name:Windows_Trojan_CobaltStrike_f0b627fc
Create hunting rule
Description:Rule for beacon reflective loader
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/376940/

Comments