MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c61bc03c520874000179481f5061d331377e406f55278a46c27f1c397507f2f. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c61bc03c520874000179481f5061d331377e406f55278a46c27f1c397507f2f
SHA3-384 hash: 736248d01121656a7dd5b9588a11a88bedc26da1693ed860e53e803eb6ef23b6e2e1a04a131cdd0c6db29a06410ab6de
SHA1 hash: d7acb9fbee06fe2919ad61f293a66fa8414e16a1
MD5 hash: 6e9bdb785b57e9908dd34ec51ec39176
humanhash: timing-three-yellow-video
File name:file
Download: download sample
Signature Mofksys
Create hunting rule
File size:3'976'175 bytes
First seen:2025-08-19 14:41:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c16c795b57934183422be5f6df7d891 (36 x Mofksys, 18 x CryptOne, 6 x AveMariaRAT)
ssdeep 98304:8iqa7iGyMEMo6KQt4vLb+7PrrwjISST1D0CtyIUx/:vqaD8hlL8jrwjRSZwCtyDZ
TLSH T1F906F1326551242BDAF40D73F924D2307E28AB281B5849BBC6D0D90C79B85E77EF721B
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 cc96ba5979a29cd4 (1 x Mofksys)
Reporter jstrosch
Tags:exe Mofksys


Avatar
jstrosch
Found at hxxps://anonhax[.]site/uploads/6772e0e702ab5_Intel-Driver-and-Support-Assistant-Installer.exe by #subcrawl

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-08-19 15:27:02 UTC
Tags:
jeefo auto-reg python
Link:
https://app.any.run/tasks/e54a39eb-606d-4720-a73c-e17c549e3366

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/22223/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68a48d5bc2f5296a1a284df5
Tags:
trojware dropper micro
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 file in the %temp% directory
Creating a process with a hidden window
Loading a suspicious library
Enabling the 'hidden' option for recently created files
Searching for synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Setting a single autorun event
Enabling a "Do not show hidden files" option
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand fingerprint lolbin obfuscated overlay packed packer_detected runonce threat visual_basic
Link:
https://www.filescan.io/uploads/68a48f4dabfbaec31825cdfb/reports/94b05cf1-ac0f-466a-aaf1-9a486044c5e1/overview
Verdict:
Malicious
Labled as:
Gosys.B
Link:
https://www.hybrid-analysis.com/sample/1c61bc03c520874000179481f5061d331377e406f55278a46c27f1c397507f2f
Malware family:
MOFKSYS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8d5ae029-c568-48eb-b26b-9f79344e9c75
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1c61bc03c520874000179481f5061d331377e406f55278a46c27f1c397507f2f
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c61bc03c520874000179481f5061d331377e406f55278a46c27f1c397507f2f/
Threat name:
Win32.Trojan.Swisyn
Create hunting rule
Status:
Malicious
First seen:
2025-08-19 14:49:38 UTC
File Type:
PE (Exe)
Extracted files:
351
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=drq3ya6fecduaaaxssa7kbq5gmjxpzag6vjhrjdme7y4hf2qp4xq._file
Verdict:
malicious
Label(s):
mofksys
Create hunting rule
Similar samples:
error
Mofksys
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery persistence
Link:
https://tria.ge/reports/250819-r7sxbsdp9s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Modifies visibility 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/b708efea-a28d-4560-b293-19877b5e2502
Unpacked files
SH256 hash:
1c61bc03c520874000179481f5061d331377e406f55278a46c27f1c397507f2f
MD5 hash:
6e9bdb785b57e9908dd34ec51ec39176
SHA1 hash:
d7acb9fbee06fe2919ad61f293a66fa8414e16a1
Link:
https://www.unpac.me/results/c457c336-beab-4c8d-8753-3f244d462f0e/
SH256 hash:
3280efa00e579f46f8556ba7a6b6ecdb7cf354c47c35d5906b4892df1fe6f670
MD5 hash:
6751f50ab79fc52a7a8efd09b9e67544
SHA1 hash:
15bd644311cfa71359c0407a1c24daf2abf9fe6c
Link:
https://www.unpac.me/results/c457c336-beab-4c8d-8753-3f244d462f0e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1c61bc03c520/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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.

Web download

Mofksys

Executable exe 1c61bc03c520874000179481f5061d331377e406f55278a46c27f1c397507f2f

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/22223/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
VB_APILegacy Visual Basic API usedMSVBVM60.DLL::__vbaCopyBytes
MSVBVM60.DLL::__vbaSetSystemError
MSVBVM60.DLL::__vbaExitProc
MSVBVM60.DLL::__vbaObjSetAddref
MSVBVM60.DLL::EVENT_SINK_AddRef
MSVBVM60.DLL::__vbaFileOpen

Comments