MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d78bdef2ec67cb29a28d57e1579bb6f359d3dfcd7602d64d0673311ad83edbb2. 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: 13

Intelligence 13 IOCs YARA 33 File information Comments

SHA256 hash:	d78bdef2ec67cb29a28d57e1579bb6f359d3dfcd7602d64d0673311ad83edbb2
SHA3-384 hash:	81ace22a682c37cfb7c443bbb8e5bc6a76fbe59ff3b0d4db8e99aee1509578c9a4212eb37dfaaea457bdab54e190ee6c
SHA1 hash:	c8670f64d8082be35379e24412ab8a5d09d84bad
MD5 hash:	e0cdee12295b5f23c05723781cd30411
humanhash:	bluebird-bacon-lemon-speaker
File name:	lang.exe
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	288'256 bytes
First seen:	2022-08-29 01:49:22 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	17b461a082950fc6332228572138b80c (121 x CobaltStrike, 2 x Cobalt Strike)
ssdeep	6144:HCXozDylOZUR/KqIY18aFUs0pkzhXqrB7KK2sAnoE0e06X08Yz9cQ:DZ0yqIY1BF0pkzhat7KK2sAnR0Zjz91
Threatray	642 similar samples on MalwareBazaar
TLSH	T1A7549EF8360AE28DCBF945707D8EA19360AFDECD7445A14FCB54B5C93B2A8291E2D610
TrID	43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 27.5% (.EXE) Win64 Executable (generic) (10523/12/4) 13.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.3% (.EXE) OS/2 Executable (generic) (2029/13) 5.2% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter	1ZRR4H
Tags:	107.175.91.198 CobaltStrike exe

Intelligence

File Origin

# of uploads :

# of downloads :

379

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

lang.exe

Verdict:

No threats detected

Analysis date:

2022-08-29 01:51:32 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/6c94f00e-d9f1-43f1-b9eb-4f38e90255c7

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/301961/

Detection(s):

Win.Trojan.CobaltStrike-9044898-1

Win.Trojan.CobaltStrike-7899871-1

Win.Countermeasure.LoaderWinGeneric-9804845-2

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Sending an HTTP GET request

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/30606/overview

Behaviour

MalwareBazaar

SystemUptime

CallSleep

MeasuringTime

EvasionGetTickCount

EvasionQueryPerformanceCounter

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug cobalt packed

Link:

https://www.filescan.io/uploads/630c1b8c116a699e028aab5f/reports/513b9ecf-601f-4b21-b80c-c46f7279fa05/overview

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.

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/50cf6655-d3dc-4151-82fb-a71675a71226

Result

Threat name:

CobaltStrike

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1059434

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

Uses known network protocols on non-standard ports

Yara detected CobaltStrike

Behaviour

Behavior Graph:

Download SVG

Detection:

cobaltstrike

Link:

https://mwdb.cert.pl/sample/d78bdef2ec67cb29a28d57e1579bb6f359d3dfcd7602d64d0673311ad83edbb2/

Threat name:

Win64.Backdoor.CobaltStrike

Status:

Malicious

First seen:

2022-08-24 18:11:42 UTC

File Type:

PE+ (Exe)

AV detection:

35 of 40 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=26f554xmm7fstiunk7qvpg5w6nm5hx6noybnmtigomyrvwb63oza._file

Verdict:

malicious

Label(s):

cobaltstrike

CobaltStrike

2949aec1094a9ecaaef168ef50885e49226bb9b46e8c015b74bc98772ac340e6

CobaltStrike

2fe7b81253f7726822e0f6ff1a3bacea73ca2356ca4dcb460493586629961ad0

CobaltStrike

339c7ac759b7ef0ab8e2a9434f53fcd212786575b08b4b41687ab10fdcf2c502

CobaltStrike

5531524151fcf7af36ff08c7f4a1b00c2c8cd409c64ce0bc2fe022973ba16c0a

CobaltStrike

673d8268fd21825ca5f21d8b395cdcede7009b60e540cb36c46f5794626faefb

CobaltStrike

83653a93fc7d8cba1b6d9bcc7650a10b1b7f0c10ab2b1c112f9d1b7d37333051

CobaltStrike

96f1143875956621e590d05da84a3b75d498ecbf6afda44208894c2f51a8464b

CobaltStrike

e59cc3a94f6a5119f36c4e0b3fbe6f04cc474d0b0b9d101163dac75722c809da

CobaltStrike

+ 632 additional samples on MalwareBazaar

Result

Malware family:

cobaltstrike

Score:

10/10

Tags:

family:cobaltstrike botnet:0 botnet:6 backdoor trojan

Link:

https://tria.ge/reports/220829-b89y8sage3/

Behaviour

Cobaltstrike

Malware Config

C2 Extraction:

http://107.175.91.198:9876/__utm.gif

Unpacked files

SH256 hash:

d78bdef2ec67cb29a28d57e1579bb6f359d3dfcd7602d64d0673311ad83edbb2

MD5 hash:

e0cdee12295b5f23c05723781cd30411

SHA1 hash:

c8670f64d8082be35379e24412ab8a5d09d84bad

Link:

https://www.unpac.me/results/33c7bfe8-9318-408a-b2ba-5da35a08b611/

Malware family:

CobaltStrike

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d78bdef2ec67/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/d78bdef2ec67cb29a28d57e1579bb6f359d3dfcd7602d64d0673311ad83edbb2

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
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_Unmodifed_Beacon Create hunting rule
Author:	yara@s3c.za.net
Description:	Detects unmodified CobaltStrike beacon DLL

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:	CS_beacon Create hunting rule
Author:	Etienne Maynier tek@randhome.io

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_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 Create hunting rule
Author:	ditekSHen
Description:	detects Reflective DLL injection artifacts

Rule name:	Leviathan_CobaltStrike_Sample_1 Create hunting rule
Author:	Florian Roth
Description:	Detects Cobalt Strike sample from Leviathan report
Reference:	https://goo.gl/MZ7dRg

Rule name:	Leviathan_CobaltStrike_Sample_1_RID3324 Create hunting rule
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 Create hunting rule
Author:	Florian Roth
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
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
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:	troj_win_cobaltstrike_memoryinject Create hunting rule
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
Description:	Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip
Reference:	http://www.clearskysec.com/tulip