MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5897829835f3e9fbab71674ca06f48ff127ec014d1629817f0566203c93b732. 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 40 File information Comments
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SHA256 hash: e5897829835f3e9fbab71674ca06f48ff127ec014d1629817f0566203c93b732
SHA3-384 hash: c6b14cfee2fe87532ed927b821cdfc2d22a5ebd84d8ce622543aa6181f8face7a3f9c275f43a2d4ed42f66970b0ba11f
SHA1 hash: 94bb4388ea7f4bc11785dff9a1855dff8c9a24ef
MD5 hash: 5dffcb334266d95a30c451c6d1aec727
humanhash: equal-table-six-black
File name:5dffcb334266d95a30c451c6d1aec727.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:19'456 bytes
First seen:2023-07-30 09:04:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike)
ssdeep 192:eV7qaCF6Op1t2dobVXujRDcBaXWQjwOT/2v0NXvU/WF8qa1Dojjgi:oqaCF31cix+Dc4zj7hvU+FF46gi
Threatray 267 similar samples on MalwareBazaar
TLSH T1FC92DA3FE71368E9C106D57845FF3733DCB13DB285A6A72E1724D2B42E105A46EBAA10
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:
144.202.122.22:8443

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
meterpreter
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ID:
1
File name:
5dffcb334266d95a30c451c6d1aec727.exe
Verdict:
Malicious activity
Analysis date:
2023-07-30 09:07:30 UTC
Tags:
meterpreter cobaltstrike
Link:
https://app.any.run/tasks/a83b6cb7-9939-4971-b0e1-efa3d459d565

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeStager
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Link:
https://www.capesandbox.com/analysis/438755/
Detection(s):
Win.Trojan.CobaltStrike-9044898-1
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Win.Trojan.CobaltStrike-7899871-1
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Win.Countermeasure.LoaderWinGeneric-9804845-2
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cobaltstrike meterpreter rozena shelma
Link:
https://www.filescan.io/uploads/64c627c2299c27f4c4f21cdb/reports/9ccea6bf-691b-4c77-bbc2-81082ecba0cc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e5897829835f3e9fbab71674ca06f48ff127ec014d1629817f0566203c93b732
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3faa5659-b7f6-4df7-9e0b-ef5fd8ceebee
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1282701
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (creates a PE file in dynamic memory)
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/e5897829835f3e9fbab71674ca06f48ff127ec014d1629817f0566203c93b732/
Threat name:
Win64.Backdoor.CobaltStrike
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Status:
Malicious
First seen:
2023-07-26 19:15:50 UTC
File Type:
PE+ (Exe)
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4wexqkmdl47j7ovxcz2mubxur7ysp3abjulctal7avtcapetw4za._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
25d0bc682d25a43d97a7e010deeb8dfdad80ff9562084333cd6fb99ce8907422
CobaltStrike
5630076d51f7ba1412cd3873654f47fe86fc45b99885e782aec0b639de8599a2
CobaltStrike
6237b5f8b6ee20c3fad9463266a4a7c787f2738f71dc81792cd6a0efe38b8685
CobaltStrike
6545de8aaa1428dd634c31d5205360a32f0dbc3c81bf1322ee0441f97052b4fa
CobaltStrike
77f50d622a2a3c728a061d85cd4b3f76339e386e3c73d64b1a06e06ae25ab5f5
CobaltStrike
89d9f800f58805c09716267b30a0dc26117c8bafebee899b9060e0d2d244ac88
CobaltStrike
a58150ce39e22e8e67f9b582c3064cd8701cdabb4f1ac7ae22c8fc6e0bc2e93b
CobaltStrike
+ 257 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:987654321 backdoor trojan
Link:
https://tria.ge/reports/230730-k1622sgg29/
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://144.202.122.22:8443/UuNE
http://144.202.122.22:8443/dpixel
Unpacked files
SH256 hash:
e5897829835f3e9fbab71674ca06f48ff127ec014d1629817f0566203c93b732
MD5 hash:
5dffcb334266d95a30c451c6d1aec727
SHA1 hash:
94bb4388ea7f4bc11785dff9a1855dff8c9a24ef
Link:
https://www.unpac.me/results/5c910649-29dd-4608-8a58-11a430ed38a4/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e5897829835f/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/e5897829835f3e9fbab71674ca06f48ff127ec014d1629817f0566203c93b732

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: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
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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: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
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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
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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
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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
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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: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: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 (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/438755/

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