MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0. 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 6 File information Comments 1

SHA256 hash:	f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0
SHA3-384 hash:	463ae6fda2b254ff30b85ba61343312c1b34c46540d792b560670cf7a45c8bbe1cfbef84e76fd9eb243f6a98df86ec67
SHA1 hash:	b1e6ad90352e7d170f3f2d7f3dba3691b8ac9884
MD5 hash:	d5f8785aedca631c7c8e123dc0e6e35f
humanhash:	september-carbon-leopard-seven
File name:	d5f8785aedca631c7c8e123dc0e6e35f
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	8'704 bytes
First seen:	2024-07-04 06:37:48 UTC
Last seen:	2024-07-04 09:19:18 UTC
File type:	dll
MIME type:	application/x-dosexec
imphash	57d6e7112c8e716cfe2eb0ff9f36763c (15 x Meterpreter, 2 x CobaltStrike, 1 x Cobalt Strike)
ssdeep	48:qUr3zU9G4aNVhnX5hthMt6dO28xZMEvCHPAPb:+DIibzs
TLSH	T1FE02B538B27918F7E47006FB8643068AA26DBB3513A402C70E8375617495AEBB53DAD3
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	zbetcheckin
Tags:	32 Cobalt Strike dll exe

Intelligence

File Origin

# of uploads :

# of downloads :

376

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Trojan.Inject4.30337.2887.14781.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=668643b394b35ad6fbebbeadwin10vpnfull_triage

Tags:

Network Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Launching a process

Connection attempt

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

cobalt config-extracted lolbin microsoft_visual_cc rundll32

Link:

https://www.filescan.io/uploads/668643529fd5f9d592115737/reports/5b03a0b2-8ae9-435a-a814-940217636781/overview

Verdict:

Malicious

Labled as:

ShellCode.Marte.3.Generic

Link:

https://www.hybrid-analysis.com/sample/f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0

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:

Swrort

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d7601def-e816-49d7-9ff9-a645f98fab97

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1467439

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Contains functionality to inject code into remote processes

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

Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments

Sigma detected: Rundll32 Execution Without Parameters

System process connects to network (likely due to code injection or exploit)

Uses known network protocols on non-standard ports

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0/

Threat name:

Win32.Backdoor.Meterpreter

Status:

Malicious

First seen:

2024-07-04 06:38:06 UTC

File Type:

PE (Dll)

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7a564lu5pshk3cgd2c3wcm437irs4feagyekc7talasrnzsvtlqa._file

Verdict:

malicious

Label(s):

cobaltstrike

Result

Malware family:

metasploit

Score:

10/10

Tags:

family:metasploit backdoor trojan

Link:

https://tria.ge/reports/240704-hd2spsyfkn/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Blocklisted process makes network request

MetaSploit

Malware Config

C2 Extraction:

http://89.197.154.116:7810/r0YP8_HZj6Xh9eD0h471LAg3P8LpTQjBwuoVU2_qOmLbrRhD7dzVzwh4X1zqWkGpdfKoeGcDyWqM5Vj7W_USDDh

Unpacked files

SH256 hash:

f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0

MD5 hash:

d5f8785aedca631c7c8e123dc0e6e35f

SHA1 hash:

b1e6ad90352e7d170f3f2d7f3dba3691b8ac9884

Detections:

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Link:

https://www.unpac.me/results/d1d8cf35-35af-4384-81d5-ae1d85f72748/

Malware family:

CobaltStrike

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f83bee2e9d7c/report/overview.html

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

Threat name:

Malicious File

Score:

0.96

Link:

https://yomi.yoroi.company/submissions/f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0

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:	CobaltStrikeStager Create hunting rule
Author:	@dan__mayer <daniel@stairwell.com>
Description:	Cobalt Strike Stager Payload

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	mal_metasploit_shellcode_windows_meterpreter_reverse_http_x86 Create hunting rule
Author:	Maxime THIEBAUT (@0xThiebaut)
Description:	Detects Metasploit import-hashes from the windows/meterpreter/reverse_http payload
Reference:	https://blog.nviso.eu/2021/09/02/anatomy-and-disruption-of-metasploit-shellcode/

Rule name:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

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

Rule name:	Windows_Trojan_Metasploit_24338919 Create hunting rule
Author:	Elastic Security
Description:	Identifies metasploit wininet reverse shellcode. Also used by other tools (like beacon).

File information

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

Web download

CobaltStrike

DLL dll f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2922308/

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 (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessA KERNEL32.dll::VirtualAllocEx KERNEL32.dll::WriteProcessMemory KERNEL32.dll::CloseHandle

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

zbet commented on 2024-07-04 06:37:49 UTC

url : hxxp://89.197.154.116/UpdaterLOC.dll