MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a4df0cb728e38d11db439ab2e987eb5ce07d56a3c803ab9fd3f60f4a258cd27. 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: 14

Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash:	4a4df0cb728e38d11db439ab2e987eb5ce07d56a3c803ab9fd3f60f4a258cd27
SHA3-384 hash:	7c0033ecc5100b9c872daf41707619e3b3365f01e968ddadb78f15b0d50376faaa03ca060214ccb5fce325c910fe653a
SHA1 hash:	9d363d4c259ea3738abf6eb4b6001ddfadcb3cde
MD5 hash:	cad03f8171f7f4def02c67c2d562e384
humanhash:	cold-fish-floor-fish
File name:	4a4df0cb728e38d11db439ab2e987eb5ce07d56a3c803ab9fd3f60f4a258cd27
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	40'448 bytes
First seen:	2024-08-01 13:18:17 UTC
Last seen:	2024-08-01 14:23:07 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f5ddb4c87513fe9ec9714f5db38f9e2c (1 x CobaltStrike)
ssdeep	768:LgwBa8CmbwTBunOcN1MdS4o8BWPKbKqBNYNyH7:1onTkwS4oqiiYNC
TLSH	T1EF039E067B4189F9EC2A03798123655BE3B37D21935297DF63D292960FA37D1AC3B881
TrID	48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter	JAMESWT_WT
Tags:	43-143-198-113 Cobalt Strike exe

Intelligence

File Origin

# of uploads :

# of downloads :

388

Origin country :

Vendor Threat Intelligence

Malware family:

cobaltstrike

ID:

File name:

4a4df0cb728e38d11db439ab2e987eb5ce07d56a3c803ab9fd3f60f4a258cd27

Verdict:

Malicious activity

Analysis date:

2024-08-01 13:34:01 UTC

Tags:

cobaltstrike

Link:

https://app.any.run/tasks/cedb5caa-b1e1-4933-9d3d-bef156ac8329

Note:

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

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66ab8b4e037b02d0daecf11c

Tags:

Infostealer Static Stealth Rozena

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm microsoft_visual_cc packed rozena

Link:

https://www.filescan.io/uploads/66ab8b5478d5c73fb1ca9e74/reports/49be9afe-04d6-4247-b7b4-61c660a445a4/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/4a4df0cb728e38d11db439ab2e987eb5ce07d56a3c803ab9fd3f60f4a258cd27

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4c72060f-9680-42e6-b310-af5f93c531e3

Result

Threat name:

CobaltStrike, Metasploit

Detection:

malicious

Classification:

troj

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1486051

Signature

AI detected suspicious sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

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

Yara detected Metasploit Payload

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4a4df0cb728e38d11db439ab2e987eb5ce07d56a3c803ab9fd3f60f4a258cd27

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4a4df0cb728e38d11db439ab2e987eb5ce07d56a3c803ab9fd3f60f4a258cd27/

Threat name:

Win64.Backdoor.Cobeacon

Status:

Malicious

First seen:

2024-07-28 08:31:46 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

18 of 38 (47.37%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jjg7bs3sry4nchnuhgvs5gd6wxhapvlkhsadvop5h5qpjisyzutq._file

Verdict:

malicious

Label(s):

cobaltstrike

Result

Malware family:

cobaltstrike

Score:

10/10

Tags:

family:cobaltstrike backdoor trojan

Link:

https://tria.ge/reports/240801-qkhmeasckm/

Behaviour

Cobaltstrike

Malware Config

C2 Extraction:

http://43.143.198.113:4567/AzYI

Malware Family:

n/a

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/c981908f-814d-4c8f-b296-dbd3aac658f3

Unpacked files

SH256 hash:

4a4df0cb728e38d11db439ab2e987eb5ce07d56a3c803ab9fd3f60f4a258cd27

MD5 hash:

cad03f8171f7f4def02c67c2d562e384

SHA1 hash:

9d363d4c259ea3738abf6eb4b6001ddfadcb3cde

Link:

https://www.unpac.me/results/3914a700-72d2-4705-b464-faf2177ce659/

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/4a4df0cb728e38d11db439ab2e987eb5ce07d56a3c803ab9fd3f60f4a258cd27

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::GetConsoleWindow

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