MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e292bf04e0c03341436ab4411ddde881129db4904ae2234952f3a655f14d5cb7. 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: 10

Intelligence 10 IOCs YARA 19 File information Comments

SHA256 hash:	e292bf04e0c03341436ab4411ddde881129db4904ae2234952f3a655f14d5cb7
SHA3-384 hash:	865fb71b5f20c9ed2de3c24b1558ad717b3dde8eacd6522bfc730b700a52fd21f0c3f3291cd144420905d4b93e7ee792
SHA1 hash:	802c3126b78f2eedcfc7eb7480b32b9f976c9a61
MD5 hash:	e435138e8fd64c0225ec0350a90a9661
humanhash:	network-lake-jersey-angel
File name:	e435138e8fd64c0225ec0350a90a9661.exe
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	6'422'016 bytes
First seen:	2021-08-31 11:53:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	93a138801d9601e4c36e6274c8b9d111 (11 x CobaltStrike, 9 x Snatch, 8 x LaplasClipper)
ssdeep	98304:CWfpNGBkh9DALtSlT+E5kTq+AvulpwuSSxRQqBxO:CWhNG+h9DAolT+LVIIrb
Threatray	1'429 similar samples on MalwareBazaar
TLSH	T109567D13F8A624F6C6FEE13086619322BA71386943313BD35FD4967A5666FE47A3D300
Reporter	abuse_ch
Tags:	CobaltStrike exe

Intelligence

File Origin

# of uploads :

# of downloads :

511

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

e435138e8fd64c0225ec0350a90a9661.exe

Verdict:

No threats detected

Analysis date:

2021-08-31 11:58:39 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/9813d144-5fc6-44b5-8102-abd3036ef8e1

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/184186/

Detection(s):

SecuriteInfo.com.W64.Shelma.H.genEldorado.31559.10340.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sending an HTTP GET request

Sending a UDP request

Sending a custom TCP request

Malware family:

CobaltStrike

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a18b224c-b596-48be-80c7-116ab3801aee

Result

Threat name:

Unknown

Detection:

malicious

Classification:

n/a

Score:

48 / 100

Link:

https://www.joesandbox.com/analysis/842599

Signature

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e292bf04e0c03341436ab4411ddde881129db4904ae2234952f3a655f14d5cb7/

Threat name:

Win64.Trojan.Rozena

Status:

Malicious

First seen:

2021-08-31 11:54:06 UTC

AV detection:

15 of 28 (53.57%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=4kjl6bhayazucq3kwrar3xpiqejj3neqjlrcgsks6otfl4knls3q._file

Verdict:

malicious

Label(s):

cobaltstrike

CobaltStrike

4e9cee63c296120b3640a6201b4cb4295be8cfec39a4828eb4c4fc34d69cc69c

CobaltStrike

8344424b2ab65b90171d02df7f9f8625308284c4b25e0e489c005f9c164784c2

CobaltStrike

8d084f5dde01196806d96122f6e76321cc1fdd0fe97fbf3606e5ab4e54ccb0e3

CobaltStrike

bf4f50979b7b29f2b6d192630b8d7b76adb9cb65157a1c70924a47bf519c4edd

CobaltStrike

+ 1'419 additional samples on MalwareBazaar

Result

Malware family:

cobaltstrike

Score:

10/10

Tags:

family:cobaltstrike botnet:426352781 backdoor trojan

Link:

https://tria.ge/reports/210831-kfkwdn8tm6/

Behaviour

GoLang User-Agent

Modifies system certificate store

Cobaltstrike

Malware Config

C2 Extraction:

http://103.72.4.163:27011/images/logo2.png
http://103.72.4.163:27011/images/logo.png

Unpacked files

SH256 hash:

e292bf04e0c03341436ab4411ddde881129db4904ae2234952f3a655f14d5cb7

MD5 hash:

e435138e8fd64c0225ec0350a90a9661

SHA1 hash:

802c3126b78f2eedcfc7eb7480b32b9f976c9a61

Link:

https://www.unpac.me/results/1717cb8b-0f99-4eff-8605-7ab1305cfa68/

Malware family:

Cobalt Strike

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/e292bf04e0c0/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.66

Link:

https://yomi.yoroi.company/submissions/e292bf04e0c03341436ab4411ddde881129db4904ae2234952f3a655f14d5cb7

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:	Cobaltbaltstrike_Beacon_x64 Create hunting rule
Author:	Avast Threat Intel Team
Description:	Detects CobaltStrike payloads
Reference:	https://github.com/avast/ioc

Rule name:	CobaltStrikeBeacon Create hunting rule
Author:	enzo
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_Sleep_Decoder_Indicator Create hunting rule
Author:	yara@s3c.za.net
Description:	Detects CobaltStrike sleep_mask decoder

Rule name:	GoBinTest Create hunting rule

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	golang Create hunting rule

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_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:	MALW_cobaltrike Create hunting rule
Author:	Marc Rivero \| McAfee ATR Team
Description:	Rule to detect CobaltStrike beacon

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 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