MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d51796cdeb6448684954cd5de72763069035824a2ad629dc925d6ab5eca27656. 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

Mofksys

Vendor detections: 14

Intelligence 14 IOCs YARA 18 File information Comments

SHA256 hash:	d51796cdeb6448684954cd5de72763069035824a2ad629dc925d6ab5eca27656
SHA3-384 hash:	e4bd899355df0c07b7d85326eec1a2232ec1a2de0f69179c81282796acebc3b4cadb390aba70beaf9753ac1f0c3ff929
SHA1 hash:	24f797f6f2c3e18fbc191befb1c0dc9dddee9482
MD5 hash:	fb27718a75181d2f51f784d59a7b84c5
humanhash:	early-cola-indigo-low
File name:	Drift.exe
Download:	download sample
Signature	Mofksys Create hunting rule
File size:	7'147'171 bytes
First seen:	2025-07-25 19:02:49 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	8c16c795b57934183422be5f6df7d891 (36 x Mofksys, 18 x CryptOne, 6 x AveMariaRAT)
ssdeep	98304:I7nP1467Mt9yE0hukqNOBYAEY2ZAPV0XTvyCzj1oO9BXXvn+YD:4uDXXfZ
Threatray	86 similar samples on MalwareBazaar
TLSH	T1FB767C03F29181EDC0ADC079C31BA637EB72BC895621B29F1BE44B612E26F506F1D759
TrID	42.6% (.EXE) Win32 Executable (generic) (4504/4/1) 19.4% (.ICL) Windows Icons Library (generic) (2059/9) 18.9% (.EXE) Generic Win/DOS Executable (2002/3) 18.9% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
dhash icon	c880a1d8d033b009 (1 x Mofksys)
Reporter	Tiege
Tags:	exe Mofksys

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Drift.exe

Verdict:

Malicious activity

Analysis date:

2025-07-25 19:05:53 UTC

Tags:

jeefo auto-reg rust

Link:

https://app.any.run/tasks/87538291-2f46-4eca-b665-a6577f6640c6

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/16846/

Detection(s):

Win.Trojan.VBGeneric-6735875-0

Win.Trojan.Agent-1109049

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6883d4f2af3050dc8d30e2f8

Tags:

trojware swisyn spawn virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

Creating a file in the Windows subdirectories

Creating a file

Creating a process from a recently created file

Creating a process with a hidden window

Searching for synchronization primitives

Creating a file in the %AppData% subdirectories

Enabling the 'hidden' option for recently created files

Connection attempt

Sending a custom TCP request

Setting a single autorun event

Enabling a "Do not show hidden files" option

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm overlay overlay visual_basic

Link:

https://www.filescan.io/uploads/6883d4f2a16348d835ef209f/reports/1e28f396-fcb0-46d0-add0-05f908ea3453/overview

Verdict:

Malicious

Labled as:

Gosys.B

Link:

https://www.hybrid-analysis.com/sample/d51796cdeb6448684954cd5de72763069035824a2ad629dc925d6ab5eca27656

Malware family:

MOFKSYS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c78c8c75-ddd2-4c42-ba14-12eaf706f6b0

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d51796cdeb6448684954cd5de72763069035824a2ad629dc925d6ab5eca27656

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

Base64 Block Contains Base64 Block Executable Html Javascript in Html PE (Portable Executable) Visual Basic Visual Basic 6 Win 32 Exe x86

Link:

https://app.malva.re/file/fb27718a75181d2f51f784d59a7b84c5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d51796cdeb6448684954cd5de72763069035824a2ad629dc925d6ab5eca27656/

Verdict:

Malicious

Threat:

Virus.Win32.VB

Link:

https://tip.neiki.dev/file/d51796cdeb6448684954cd5de72763069035824a2ad629dc925d6ab5eca27656

Threat name:

Win32.Trojan.Swisyn

Status:

Malicious

First seen:

2025-07-25 19:03:09 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

35 of 35 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2ulzntplmregqskuzvo6oj3da2idlaskfllctxeslvvll3fcozla._file

Verdict:

malicious

Label(s):

mofksys

Result

Malware family:

n/a

Score:

10/10

Tags:

defense_evasion discovery persistence trojan

Link:

https://tria.ge/reports/250725-xqew2ahk4w/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in Windows directory

Drops file in System32 directory

Adds Run key to start application

Checks whether UAC is enabled

Legitimate hosting services abused for malware hosting/C2

Network Share Discovery

Executes dropped EXE

Modifies visiblity of hidden/system files in Explorer

Verdict:

Malicious

Tags:

trojan Win.Trojan.VBGeneric-6735875-0

YARA:

Windows_Generic_Threat_7526f106 Windows_Generic_Threat_cbe3313a

Link:

https://app.threat.zone/submission/1c26e777-8312-4be1-bb9c-6fb29dd0c020

Unpacked files

SH256 hash:

d51796cdeb6448684954cd5de72763069035824a2ad629dc925d6ab5eca27656

MD5 hash:

fb27718a75181d2f51f784d59a7b84c5

SHA1 hash:

24f797f6f2c3e18fbc191befb1c0dc9dddee9482

Link:

https://www.unpac.me/results/3a32f8ed-4e9b-4079-bac9-1851eab0f100/

SH256 hash:

af1c5071a769558343fe8df00dfcb5a00669c6ee7153f888c0220d6d76e568cc

MD5 hash:

f248880e596abe5cb086939c8098fdb3

SHA1 hash:

f5bb421a23344b626ac2f214851997d3a05a4879

Link:

https://www.unpac.me/results/3a32f8ed-4e9b-4079-bac9-1851eab0f100/

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/d51796cdeb6448684954cd5de72763069035824a2ad629dc925d6ab5eca27656

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

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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

Rule name:	ProgramLanguage_Rust Create hunting rule
Author:	albertzsigovits
Description:	Application written in Rust programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

Rule name:	Rustyloader_mem_loose Create hunting rule
Author:	James_inthe_box
Description:	Corroded buerloader
Reference:	https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24

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

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

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	SUSP_Imphash_Mar23_2 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:	Internal Research

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	test_Malaysia Create hunting rule
Author:	rectifyq
Description:	Detects file containing malaysia string

Rule name:	upxHook Create hunting rule
Author:	@r3dbU7z
Description:	Detect artifacts from 'upxHook' - modification of UPX packer
Reference:	https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

Rule name:	Windows_Generic_Threat_7526f106 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Generic_Threat_cbe3313a Create hunting rule
Author:	Elastic Security

File information

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

Cape

https://www.capesandbox.com/analysis/16846/

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_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high
CHECK_TRUST_INFO	Requires Elevated Execution (level:requireAdministrator)	high

Reviews

ID	Capabilities	Evidence
VB_API	Legacy Visual Basic API used	MSVBVM60.DLL::__vbaCopyBytes MSVBVM60.DLL::__vbaSetSystemError MSVBVM60.DLL::__vbaExitProc MSVBVM60.DLL::__vbaObjSetAddref MSVBVM60.DLL::EVENT_SINK_AddRef MSVBVM60.DLL::__vbaFileOpen

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