MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d897ac5c7c3fb20d6b3f34dbfd01fd10121ff446beb9166bcbbad5cf2818f64. 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: 16


Intelligence 16 IOCs YARA 37 File information Comments

SHA256 hash: 5d897ac5c7c3fb20d6b3f34dbfd01fd10121ff446beb9166bcbbad5cf2818f64
SHA3-384 hash: 0ff5f9b8525c9500c0735229813b817abf1a435d4901ff27503b8e87794ca9b2422eeef99e049dc034a255e5286ff49c
SHA1 hash: f78e61258fc39633666dc46adbfc1764d45db5a0
MD5 hash: 78022aaafb1bdfe2ba2095147bddfcad
humanhash: purple-lion-vermont-jupiter
File name:beacon_VP.exe
Download: download sample
Signature CobaltStrike
File size:610'816 bytes
First seen:2023-01-17 09:25:07 UTC
Last seen:2023-01-17 10:28:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d6ea3a7c7ea2dd7e0f61e6a0f75b5231 (1 x CobaltStrike)
ssdeep 12288:cfB4MdIyfJSMeGf9VWemrwntZHvq94wf0FsBDg7t:W2OIyfosf+fsntZS94wf0Ug7
Threatray 740 similar samples on MalwareBazaar
TLSH T15CD4F11CDE6A4E13F2EA0CB92CFE2D0D9574297FCB3254BF8125140539340F9EAB961A
TrID 25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
19.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.1% (.EXE) Win32 Executable (generic) (4505/5/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter r3dbU7z
Tags:Cobalt Strike exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
beacon_VP.exe
Verdict:
Malicious activity
Analysis date:
2023-01-17 09:26:53 UTC
Tags:
cobaltstrike

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed shell32.dll shelma
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
Verdict:
Malicious
Result
Threat name:
CobaltStrike, ReflectiveLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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
Tries to detect virtualization through RDTSC time measurements
Yara detected CobaltStrike
Yara detected ReflectiveLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.CobaltStrikeBeacon
Status:
Malicious
First seen:
2023-01-15 17:44:16 UTC
File Type:
PE (Exe)
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike botnet:666666 backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://47.109.25.241:5656/pixel.gif
Unpacked files
SH256 hash:
cc2f014b7400dbdfb8360fb1b59983e15a362326c18a19a17f4e4d5fff110d0c
MD5 hash:
71e87259a3f702e91165dc681dc27764
SHA1 hash:
cad3f5917c19053ab71dc6a1437f1936f9bded62
Detections:
cobaltstrike_xor_config win_cobalt_strike_auto
SH256 hash:
5d71716ea4a29b3a7a909e74b3370ca9146fb748cc2b4413128f13c249f180ac
MD5 hash:
fde39fcaab521aebe663c49da318f256
SHA1 hash:
8b71904cb5482557a42ccccc3aafc069dd4965db
SH256 hash:
5d897ac5c7c3fb20d6b3f34dbfd01fd10121ff446beb9166bcbbad5cf2818f64
MD5 hash:
78022aaafb1bdfe2ba2095147bddfcad
SHA1 hash:
f78e61258fc39633666dc46adbfc1764d45db5a0
Malware family:
CobaltStrike
Verdict:
Malicious
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:aPLib_decompression
Author:@r3c0nst
Description:Detects aPLib decompression code often used in malware
Reference:https://ibsensoftware.com/files/aPLib-1.1.1.zip
Rule name:Beacon_K5om
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
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
Author:Ahmet Payaslioglu | Binalyze DFIR LAB
Description:Cobalt Strike Detection
Rule name:Cobaltstrike2
Author:Ahmet Payaslioglu | Binalyze DFIR LAB
Description:Cobalt Strike Detection
Rule name:Cobaltstrike3
Author:Ahmet Payaslioglu | Binalyze DFIR LAB
Description:Cobalt Strike Detection
Rule name:CobaltStrikeBeacon
Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_XOR_Config_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CobaltStrike_ReflectiveLoader_RID3297
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike)
Reference:http://www.clearskysec.com/tulip
Rule name:CobaltStrike_Sleeve_BeaconLoader_VA_x86_o_v4_3_v4_4_v4_5_and_v4_6
Author:gssincla@google.com
Description:Cobalt Strike's sleeve/BeaconLoader.VA.x86.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_Dll_v4_3_v4_4_v4_5_and_v4_6
Author:gssincla@google.com
Description:Cobalt Strike's sleeve/beacon.dll Versions 4.3 and 4.4
Reference:https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse
Rule name:CobaltStrike_Unmodifed_Beacon
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:CobaltStrike__Sleeve_BeaconLoader_VA_x86_o_v4_3_v4_4_v4_5_and_v4_6
Author:gssincla@google.com
Rule name:CobaltStrike__Sleeve_Beacon_Dll_v4_3_v4_4_v4_5_and_v4_6
Author:gssincla@google.com
Rule name:crime_win32_csbeacon_1
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:CS_beacon
Author:Etienne Maynier tek@randhome.io
Rule name:HKTL_CobaltStrike_Beacon_Strings
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_Meterpreter_inMemory
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
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
Author:ditekSHen
Description:detects Reflective DLL injection artifacts
Rule name:Leviathan_CobaltStrike_Sample_1
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Leviathan_CobaltStrike_Sample_1_RID3324
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:malware_CobaltStrike_v3v4
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
Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALWARE_Win_CobaltStrike
Author:ditekSHen
Description:CobaltStrike payload
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:PowerShell_Susp_Parameter_Combo_RID336F
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
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
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Detects Cobalt Strike payload typically loaded into memory via PowerShell.
Rule name:WiltedTulip_ReflectiveLoader
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_ee756db7
Description:Attempts to detect Cobalt Strike based on strings found in BEACON
Rule name:Windows_Trojan_CobaltStrike_f0b627fc
Description:Rule for beacon reflective loader
Rule name:Windows_Trojan_Metasploit_7bc0f998
Description:Identifies the API address lookup function leverage by metasploit shellcode
Rule name:Windows_Trojan_Metasploit_c9773203
Description:Identifies the 64 bit API hashing function used by Metasploit. This has been re-used by many other malware families.
Reference:https://github.com/rapid7/metasploit-framework/blob/04e8752b9b74cbaad7cb0ea6129c90e3172580a2/external/source/shellcode/windows/x64/src/block/block_api.asm
Rule name:win_cobalt_strike_auto
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.

Web download

CobaltStrike

Executable exe 5d897ac5c7c3fb20d6b3f34dbfd01fd10121ff446beb9166bcbbad5cf2818f64

(this sample)

  
Delivery method
Distributed via web download

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