MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae62ac2596c41db7d18fcfce29955d6b420a5783c0f27ca8d667caab3ec16398. 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

SHA256 hash: ae62ac2596c41db7d18fcfce29955d6b420a5783c0f27ca8d667caab3ec16398
SHA3-384 hash: ecd123fd8ab604d4889b85b0e835dd6635d76e00f8cbaf4ec81b1275cb9c3eb0b6931ff67233292171fe201c50595890
SHA1 hash: 872674f3602757d70255360106c442a9057a4b14
MD5 hash: a0876f96aaaf9470f65a5c1d7b8d144c
humanhash: rugby-stream-lion-steak
File name:2023-02-09_a0876f96aaaf9470f65a5c1d7b8d144c_cobaltstrike_meterpreter
Download: download sample
Signature CobaltStrike
File size:223'232 bytes
First seen:2023-02-09 14:31:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dd2ee89b38b455d38772c37d994f2beb (1 x CobaltStrike)
ssdeep 3072:MfyTFpXSc43UtiD8Umh8I6lk0bF+EjJeNDU2a7i78nifiRjdUN5Y0BS:MfsD4ktiD8UI8I66C+6AsXnifuju
Threatray 738 similar samples on MalwareBazaar
TLSH T126248D5135C6F436D4970079634BDBB28FBDBC3416B1A887ABC40A9A5F226D3D72A307
TrID 66.6% (.EXE) DOS Executable Generic (2000/1)
33.3% (.M) Maple Common Binary file (generic) (1001/2)
Reporter petikvx
Tags:CobaltStrike

Intelligence


File Origin
# of uploads :
1
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
2023-02-09_a0876f96aaaf9470f65a5c1d7b8d144c_cobaltstrike_meterpreter
Verdict:
Malicious activity
Analysis date:
2023-02-09 14:35:05 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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware meterpreter
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
Contains functionality to detect sleep reduction / modifications
Contains functionality to prevent local Windows debugging
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
Yara detected CobaltStrike
Yara detected Powershell download and execute
Yara detected ReflectiveLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 802911 Sample: 2dn71gxdtS.exe Startdate: 09/02/2023 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for domain / URL 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 7 other signatures 2->36 8 loaddll32.exe 1 2->8         started        process3 process4 10 rundll32.exe 8->10         started        13 cmd.exe 1 8->13         started        15 rundll32.exe 8->15         started        17 conhost.exe 8->17         started        signatures5 38 Contains functionality to prevent local Windows debugging 10->38 40 Contains functionality to detect sleep reduction / modifications 10->40 19 WerFault.exe 17 9 10->19         started        21 rundll32.exe 13->21         started        23 WerFault.exe 2 9 15->23         started        process6 process7 25 WerFault.exe 6 9 21->25         started        dnsIp8 28 192.168.2.1 unknown unknown 25->28
Threat name:
Win32.Trojan.CobaltStrike
Status:
Malicious
First seen:
2023-02-09 14:33:07 UTC
File Type:
PE (Dll)
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike botnet:391144938
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Malware Config
C2 Extraction:
http://107.172.206.242:444/pixel.gif
Unpacked files
SH256 hash:
ae62ac2596c41db7d18fcfce29955d6b420a5783c0f27ca8d667caab3ec16398
MD5 hash:
a0876f96aaaf9470f65a5c1d7b8d144c
SHA1 hash:
872674f3602757d70255360106c442a9057a4b14
Detections:
cobaltstrike_xor_config win_cobalt_strike_auto
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
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
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_7_suspected
Author:gssincla@google.com
Description:Cobalt Strike's sleeve/beacon.dll Versions 4.7 (suspected, not confirmed)
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_7_suspected
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 (Nextron Systems)
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 (Nextron Systems)
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 (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
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 (Nextron Systems)
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_ee756db7
Author:Elastic Security
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_CobaltStrike_f0b627fc
Author:Elastic Security
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_7bc0f998
Author:Elastic Security
Description:Identifies the API address lookup function leverage by metasploit shellcode
Rule name:Windows_Trojan_Metasploit_c9773203
Author:Elastic Security
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: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.

Comments