MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8
SHA3-384 hash: 6db7155e77866ce39fce6494276283a1e937f98967241b071faec59db48ccfc1392b363023aa6c4762496f07f4e5a020
SHA1 hash: 9dc89ba97d60327f7573b972ce3e1c9ebbbf98dd
MD5 hash: cfd34d3cc56c807e8be6632b3ee7261d
humanhash: happy-king-massachusetts-michigan
File name:51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8
Download: download sample
Signature Mofksys
Create hunting rule
File size:789'512 bytes
First seen:2025-05-09 13:06:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:H6M5un6PGZEMQF3qSEDmdYX72ZBOt28mkNU+mXbUZwXi9FTnthkRu4PL3EFZLRkR:azn1SftvqaWt2yLZOKbthkRbPLOw
Threatray 13 similar samples on MalwareBazaar
TLSH T199F4131FAFA66362C69C4F77E043840046B1CAC6F457F3B354D86EB44E71B98C4CA99A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:exe Mofksys

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8
Verdict:
Malicious activity
Analysis date:
2025-05-09 18:06:10 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/81d732ec-2a1f-41d3-bea8-8b3ac1d0ffbb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.32332.29179.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681dffeb4a59e5a2ce0349f2
Tags:
virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert formbook invalid-signature obfuscated obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/681dfe080b64e174c41fadeb/reports/f19e8b49-63ae-4c23-bfd9-a767e5fa0d00/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8
Malware family:
MOFKSYS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb2db1dd-59f1-45ca-a001-4ad23b24a2be
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1686421
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1686421 Sample: wFsnstX7u1.exe Startdate: 10/05/2025 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 12 other signatures 2->33 7 wFsnstX7u1.exe 4 2->7         started        11 svchost.exe 1 1 2->11         started        process3 dnsIp4 23 C:\Users\user\AppData\...\wFsnstX7u1.exe.log, ASCII 7->23 dropped 35 Adds a directory exclusion to Windows Defender 7->35 37 Injects a PE file into a foreign processes 7->37 14 powershell.exe 21 7->14         started        17 wFsnstX7u1.exe 1 3 7->17         started        25 127.0.0.1 unknown unknown 11->25 file5 signatures6 process7 signatures8 39 Loading BitLocker PowerShell Module 14->39 19 WmiPrvSE.exe 14->19         started        21 conhost.exe 14->21         started        process9
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-04-18 07:16:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 37 (67.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kh66gypzhxbxalwrgnknazg2qqrbrdz6dmdntsnqjfi5ub6yts4a._file
Verdict:
malicious
Label(s):
mofksys
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8
Mofksys
c06298e32597bfdf3374174b8f458169df5d561280f5aa11fd25868c67a5de9f
Mofksys
ca30b9e6a0639b7555b4405c938e1d0949331db7c3ed664c1d41a36395e36dd0
Mofksys
d0a427ef5fa5496840ff480c1ba3f2b4a533d516f6fff8b012e131a4d5f6ddc6
Mofksys
ee4202466c3df1bb44773ee382d9814bf0daac585b416e44ab0eeefc7a588aaa
Mofksys
error
Mofksys
+ 3 additional samples on MalwareBazaar
Result
Malware family:
mofksys
Create hunting rule
Score:
  10/10
Tags:
family:mofksys discovery execution worm
Link:
https://tria.ge/reports/250509-qct1gawjz6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Detects Mofksys worm
Mofksys
Mofksys family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4ec5b648-c542-4cd9-9d92-9125feaba3dd
Unpacked files
SH256 hash:
51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8
MD5 hash:
cfd34d3cc56c807e8be6632b3ee7261d
SHA1 hash:
9dc89ba97d60327f7573b972ce3e1c9ebbbf98dd
Link:
https://www.unpac.me/results/472c448c-68c9-4493-ba9f-5c91325355f7/
SH256 hash:
ad286b4b6aa23558f584848c9a24bf19eb534bce245b7c9787efe590cdea8502
MD5 hash:
476d0a23105c6a0fe703439dab1918d9
SHA1 hash:
27c27fbc3e06ff223ddcd127359b0c3d73b98f32
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/472c448c-68c9-4493-ba9f-5c91325355f7/
SH256 hash:
2770d9be75b49ce44545a6d1a0706d86843440d62822653b6d270d0db55ac6df
MD5 hash:
6ce384732ebecbddf187042654e28093
SHA1 hash:
44a0bee6c75c9d8941cafd2f215c15ea6382b231
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/472c448c-68c9-4493-ba9f-5c91325355f7/
Parent samples :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 hash:
31bc97a1ab065dd497e772032a542190b899ea5b995edebe86595d7d6dfe06ad
MD5 hash:
533b08152584b64a607845c10c751ff8
SHA1 hash:
6486d16b037ac1a3b7241c554f17df34a707511e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/472c448c-68c9-4493-ba9f-5c91325355f7/
Parent samples :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 hash:
fee7d8c1acad1cb8f2b409dfece5044dfdab47960d3400f28bf00d2c3185dc2c
MD5 hash:
2694fde73a0d543f5ca5ea8c4de2d4e7
SHA1 hash:
9d665a7d915d7a5296b314a5cc1654949c726a65
Detections:
win_mofksys_auto
Create hunting rule
SUSP_Imphash_Mar23_2
Create hunting rule
Link:
https://www.unpac.me/results/472c448c-68c9-4493-ba9f-5c91325355f7/
Parent samples :
b50262bf6a9e901dacf870f4e693f0803901e6a6e7ea25008fd8114068f2011f
8b799752acd2bad6565aa2560efd2d9fb3439428c8a50bbfb44749d476d286af
4d59b35375d85ca3dd06c76cedea67009a37075e179d0ae192b9412b24bec974
51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8
ee4202466c3df1bb44773ee382d9814bf0daac585b416e44ab0eeefc7a588aaa
1a60823d2507bf095559dd725fcd7d87c20c98c61bab8c65551ad58892095909
b7eab5f19a05b4dc7dc0d210995778e5c74e0aac6e26c740e3a7593774c5d8bf
c75d0dd517c95d24288b71934a0bab7d6ede632eb13af2b142099c6667bf0a6e
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/51fde361f93dc3702ed13354d064da8422188f3e1b06d9c9b04951da07d89cb8

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

File information

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

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments