MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55. 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

Threat unknown

Vendor detections: 14

Intelligence 14 IOCs YARA 27 File information Comments

SHA256 hash:	caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55
SHA3-384 hash:	f399d0ebad8d116cfdfb68169fae0ca8bba36c0ca50143a369481e99ce24201b7252b2bff8cae5e409300f87343f3c7c
SHA1 hash:	43f024e59eb49f0b73335b41f968648749367f04
MD5 hash:	2ee843e2b75351953428eedd253c9089
humanhash:	one-fish-jig-ack
File name:	file
Download:	download sample
File size:	11'253'376 bytes
First seen:	2025-12-30 10:22:22 UTC
Last seen:	2025-12-31 00:51:40 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	c7269d59926fa4252270f407e4dab043 (45 x Hive, 23 x ServHelper, 22 x CobaltStrike)
ssdeep	49152:oFQgmGrb/TKvO90dL3BmAFd4A64nsfJIZcwYNkZMk55Cp2HZgjZp7t2cjQz+CBwS:oF0Qw+FTZQ8Gf
TLSH	T192B63BD2FE441729D69BE339E8B1A2552230B084533515D77BA507A68C2BEC8173FB2F
gimphash	4ddf3ab1633694afce6333a128c34acfd841b1936d07e08ab03efbc66ac8976f
TrID	48.7% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
Reporter	Bitsight
Tags:	dropped-by-gcleaner exe f MIX3.file signed

Code Signing Certificate

Organisation:	rock.com
Issuer:	E8
Algorithm:	sha256WithRSAEncryption
Valid from:	2025-12-10T14:57:55Z
Valid to:	2026-03-10T14:57:54Z
Serial number:	05cc7c6e476bfd5ab83852bbb2955b8e0fb3
Intelligence:	21 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	05bace6cdd008a7d0cba12d667d7510726bec2eb57d30294fb4d99472894852b
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Bitsight

url: http://194.38.20.224/service

Intelligence

File Origin

# of uploads :

# of downloads :

132

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Going

Details

Link:

https://research.acce.ciphertechsolutions.com/results/31c07a2d-1e99-4557-98be-fabc4011a949/

Malware family:

vidar

ID:

File name:

_caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55.exe

Verdict:

Malicious activity

Analysis date:

2025-12-30 11:16:33 UTC

Tags:

stealer stealc vidar golang xor-url generic

Link:

https://app.any.run/tasks/f6e7f88c-95da-498f-9766-58942f99498e

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/46540/

Detection(s):

Win.Malware.Wingo-9956994-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6953a7f27d915bf1778ef123

Tags:

ransomware emotet small virus

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

adaptive-context anti-vm crypto golang signed

Link:

https://www.filescan.io/uploads/6953a81e127d6a14e0c8214b/reports/76dfa6df-43b1-4f5e-94b3-7ff07fab6099/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55

Verdict:

Malicious

File Type:

exe x64

First seen:

2025-12-30T08:46:00Z UTC

Last seen:

2026-01-01T07:39:00Z UTC

Hits:

~100

Detections:

PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Vidar.d Trojan.Win64.Agent.sb Trojan-PSW.Win32.Vidar.fjf

Link:

https://opentip.kaspersky.com/caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/e7345f4a-fd28-4d20-9db3-7d038ac9d101

Score:

49%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/2ee843e2b75351953428eedd253c9089

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55/

Verdict:

Malicious

Threat:

Family.STEALC

Link:

https://tip.neiki.dev/file/caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55

Threat name:

Win64.Trojan.Generic

Status:

Suspicious

First seen:

2025-12-30 10:23:21 UTC

File Type:

PE+ (Exe)

AV detection:

14 of 38 (36.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zlzt6d7a63ownxezg2mnbwo2pyp4wjsg5vylf4irktlqvde73zkq._file

Gathering data

Verdict:

Malicious

Tags:

Win.Malware.Wingo-9956994-0

YARA:

n/a

Link:

https://app.threat.zone/submission/aa104e0d-160a-4926-94b2-cbf947869d32

Unpacked files

SH256 hash:

caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55

MD5 hash:

2ee843e2b75351953428eedd253c9089

SHA1 hash:

43f024e59eb49f0b73335b41f968648749367f04

Link:

https://www.unpac.me/results/07ff986a-378c-4c8a-a8b4-2155ae8ffd4a/

Malware family:

Vidar

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/caf33f0fe0f6/report/overview.html

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

Threat name:

Suspicious File

Score:

0.35

Link:

https://yomi.yoroi.company/submissions/caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55

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:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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

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

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

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

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

Rule name:	dependsonpythonailib Create hunting rule
Author:	Tim Brown
Description:	Hunts for dependencies on Python AI libraries

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	golang_duffcopy_amd64 Create hunting rule

Rule name:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	reverse_http Create hunting rule
Author:	CD_R0M_
Description:	Identify strings with http reversed (ptth)

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

Rule name:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)

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

Rule name:	win_bazarbackdoor_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.bazarbackdoor.

File information

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

Web download

exe caf33f0fe0f6dd66dc993698d0d9da7e1fcb2646ed70b2f11154d70a8c9fde55

(this sample)

Dropped by

Gcleaner

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/46540/

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