MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 864c5339ddc1ad5df17d454c023d0f34a2bfebe76a19314f552d72123a845863. 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: 18


Intelligence 18 IOCs YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 864c5339ddc1ad5df17d454c023d0f34a2bfebe76a19314f552d72123a845863
SHA3-384 hash: 2b6ce3a1be0258be714c82aecd2c348e8d5c49c11ea6d7b72069416ec37c35811dfe6a1259f820cbf0155a874a4e3391
SHA1 hash: 41e633f814fa7153e8833c01473b1a16b00db5d4
MD5 hash: cd9be07a60d5c7ca7d2a1208ec0de6b7
humanhash: four-maine-burger-nitrogen
File name:cd9be07a60d5c7ca7d2a1208ec0de6b7.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:17'920 bytes
First seen:2023-04-15 16:15:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 17b461a082950fc6332228572138b80c (121 x CobaltStrike, 2 x Cobalt Strike)
ssdeep 192:HDMAe4Ckj19RZZ6wpSfu1bKcq5uHj7khBDSeKNH4GPl4JMBUbOj6kxiY:HDMAoKz6WtKEj7aBDiZPl4JMbAY
Threatray 418 similar samples on MalwareBazaar
TLSH T13B820A7FB60224E9C12BD178C9EA6372A9F27021417B271F2FB8C6302E21979597D909
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:
43.138.235.176:3443

Intelligence

File Origin
# of uploads :
1
# of downloads :
310
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
cobaltstrike
Create hunting rule
ID:
1
File name:
cd9be07a60d5c7ca7d2a1208ec0de6b7.exe
Verdict:
Malicious activity
Analysis date:
2023-04-15 16:16:49 UTC
Tags:
cobaltstrike meterpreter trojan
Link:
https://app.any.run/tasks/096cabb5-d4b3-4483-9477-5371ef62a888

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/382469/
Detection(s):
Win.Trojan.CobaltStrike-9044898-1
Create hunting rule

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

Win.Countermeasure.LoaderWinGeneric-9804845-2
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/79776/overview
Behaviour
MalwareBazaar
CallSleep
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cobaltstrike shelma
Link:
https://www.filescan.io/uploads/643acdc48cbb8f4be303de0f/reports/48963bf0-9d40-43cb-a6dc-eb217e46741f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/864c5339ddc1ad5df17d454c023d0f34a2bfebe76a19314f552d72123a845863
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/29550946-7fc4-424e-a713-fa69e363e5c3
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1214396
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found API chain indicative of debugger detection
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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/864c5339ddc1ad5df17d454c023d0f34a2bfebe76a19314f552d72123a845863/
Threat name:
Win64.Backdoor.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2023-04-12 11:28:35 UTC
File Type:
PE+ (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzgfgoo5ygwv34l5ivgaepipgsrl727hnimtct2vfvzbeouelbrq._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
322ea0b4fa978d8fbbfa4b3822191098e7bec953721e1cdab8a92901390ed2c0
CobaltStrike
339c7ac759b7ef0ab8e2a9434f53fcd212786575b08b4b41687ab10fdcf2c502
CobaltStrike
42104ac31fe7ae7328c209007ea71dc3effb183c736a9bddcf86f690fe96df9a
CobaltStrike
5531524151fcf7af36ff08c7f4a1b00c2c8cd409c64ce0bc2fe022973ba16c0a
CobaltStrike
673d8268fd21825ca5f21d8b395cdcede7009b60e540cb36c46f5794626faefb
CobaltStrike
95fd468aa6e1b5da8ff6cadd6d509f2462658384c5ab2fd8d93bdfbe6ea3f0a1
CobaltStrike
96f1143875956621e590d05da84a3b75d498ecbf6afda44208894c2f51a8464b
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9a7d2b2c96ee9b7b0ddc1665988d935a719f04cdb2b2dd331ec36aa4f6597506
CobaltStrike
f2093c8228896204c3403526c88ff3ddb4d9c7369a043ebb0b1a69b44ce63cd2
CobaltStrike
+ 408 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:100000000 backdoor trojan
Link:
https://tria.ge/reports/230415-tqsaksgc6w/
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://43.138.235.176:3443/XXXXXX
http://43.138.235.176:3443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
Unpacked files
SH256 hash:
864c5339ddc1ad5df17d454c023d0f34a2bfebe76a19314f552d72123a845863
MD5 hash:
cd9be07a60d5c7ca7d2a1208ec0de6b7
SHA1 hash:
41e633f814fa7153e8833c01473b1a16b00db5d4
Link:
https://www.unpac.me/results/3da86fe0-be60-436b-bede-2913175a0a4f/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/864c5339ddc1/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/864c5339ddc1ad5df17d454c023d0f34a2bfebe76a19314f552d72123a845863

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
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_Resources_Artifact64_v3_14_to_v4_x
Create hunting rule
Author:gssincla@google.com
Description:Cobalt Strike's resources/artifact64{.exe,.dll,svc.exe,svcbig.exe,big.exe,big.dll,.x64.dll,big.x64.dll} and resource/artifactuac(alt)64.exe signature for versions v3.14 through v4.x
Reference:https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse
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_Sleeve_Beacon_x64_v4_4_v_4_5_and_v4_6
Create hunting rule
Author:gssincla@google.com
Description:Cobalt Strike's sleeve/beacon.x64.dll Versions 4.4 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__Resources_Artifact64_v3_14_to_v4_x
Create hunting rule
Author:gssincla@google.com
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:CobaltStrike__Sleeve_Beacon_x64_v4_4_v_4_5_and_v4_6
Create hunting rule
Author:gssincla@google.com
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_Imphashes_Aug22_1
Create hunting rule
Author:Florian Roth
Description:Detects different hacktools based on their imphash
Reference:Internal Research
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: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: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:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth (Nextron Systems)
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:Trojan_Raw_Generic_4
Create hunting rule
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: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
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/382469/

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