MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a78c66b2a1ef44584c3b1bac11649275cac70dd5768bcdeeb3c439420354c01. 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: 15


Intelligence 15 IOCs YARA 41 File information Comments
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SHA256 hash: 6a78c66b2a1ef44584c3b1bac11649275cac70dd5768bcdeeb3c439420354c01
SHA3-384 hash: 422d9d711edc806bdd8acd0278d06b16e75ebcbb9ff5cc6007b8b815b59d5b19ee4793771392c9844318ebda3f3f2387
SHA1 hash: 3b838306497ed4a68bba3caa775ba3d24e3b5997
MD5 hash: 1116935c6e67faa46ae25a87eaaacf5f
humanhash: edward-william-ack-hamper
File name:1116935c6e67faa46ae25a87eaaacf5f.exe
Download: download sample
Signature CobaltStrike
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File size:295'936 bytes
First seen:2023-03-03 14:30:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike)
ssdeep 6144:A88TdwB/p4HVIfv33cN7QXwXXkGTFqrJerp3pK3R+nveAa:A88JapG+P3cBCwXphqrJe9Zcsn2A
TLSH T17C548C0ADA2F3D88E868D730B8120A2E387CD59DF1A5185FD4E9C854E5D43660BCFAD7
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:
150.158.55.102:443

Intelligence

File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
meterpreter
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ID:
1
File name:
1116935c6e67faa46ae25a87eaaacf5f.exe
Verdict:
Malicious activity
Analysis date:
2023-03-03 14:33:36 UTC
Tags:
meterpreter trojan
Link:
https://app.any.run/tasks/de418345-8e51-440c-b06a-2f2469228c3a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
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Link:
https://www.capesandbox.com/analysis/371402/
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 cobalt cobaltstrike csgo meterpreter packed
Link:
https://www.filescan.io/uploads/640204a7bfec0852a68ec707/reports/cfb7920a-b3b3-480f-87ab-c3fc562b0892/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6a78c66b2a1ef44584c3b1bac11649275cac70dd5768bcdeeb3c439420354c01
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/807d164a-ef34-477a-b214-924a2be4e392
Result
Threat name:
CobaltStrike
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1186562
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
Detected unpacking (creates a PE file in dynamic memory)
Found API chain indicative of debugger detection
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a78c66b2a1ef44584c3b1bac11649275cac70dd5768bcdeeb3c439420354c01/
Threat name:
Win64.Backdoor.CobaltStrike
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Status:
Malicious
First seen:
2023-02-27 13:26:00 UTC
File Type:
PE+ (Exe)
AV detection:
28 of 39 (71.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nj4mm2zkd32elbgdwg5mcfsje5oky4g5k5ulzxxlhrbziibvjqaq._file
Result
Malware family:
cobaltstrike
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Score:
  10/10
Tags:
family:cobaltstrike botnet:391144938 backdoor trojan
Link:
https://tria.ge/reports/230303-rvpn5shg98/
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://150.158.55.102:443/IE9CompatViewList.xml
Unpacked files
SH256 hash:
6a78c66b2a1ef44584c3b1bac11649275cac70dd5768bcdeeb3c439420354c01
MD5 hash:
1116935c6e67faa46ae25a87eaaacf5f
SHA1 hash:
3b838306497ed4a68bba3caa775ba3d24e3b5997
Link:
https://www.unpac.me/results/13847ead-b9cc-4f28-9373-6acaa6402d0c/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6a78c66b2a1e/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/6a78c66b2a1ef44584c3b1bac11649275cac70dd5768bcdeeb3c439420354c01

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 (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
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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:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Cobaltbaltstrike_Beacon_x64
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Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
Rule name:Cobaltstrike1
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Author:Ahmet Payaslioglu | Binalyze DFIR LAB
Description:Cobalt Strike Detection
Rule name:Cobaltstrike2
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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
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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_Sleep_Decoder_Indicator
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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
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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
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Author:gssincla@google.com
Rule name:crime_win32_csbeacon_1
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Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:CS_beacon
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Author:Etienne Maynier tek@randhome.io
Rule name:HKTL_CobaltStrike_Beacon_4_2_Decrypt
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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
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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
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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
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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
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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
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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
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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:meth_stackstrings
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Author:Willi Ballenthin
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 (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
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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
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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
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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
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Author:Elastic Security
Description:CS shellcode variants
Rule name:Windows_Trojan_CobaltStrike_663fc95d
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Author:Elastic Security
Description:Identifies CobaltStrike via unidentified function code
Rule name:Windows_Trojan_CobaltStrike_b54b94ac
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Author:Elastic Security
Description:Rule for beacon sleep obfuscation routine
Rule name:Windows_Trojan_CobaltStrike_ee756db7
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Description:Attempts to detect Cobalt Strike based on strings found in BEACON
Rule name:Windows_Trojan_CobaltStrike_f0b627fc
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Description:Rule for beacon reflective loader
Rule name:win_cobalt_strike_auto
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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/371402/

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