MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88a02c1118bdb8e67a28ced14695f26c41b69da56c8e028b0e1bf3f7b9b6314f. 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



CryptOne


Vendor detections: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: 88a02c1118bdb8e67a28ced14695f26c41b69da56c8e028b0e1bf3f7b9b6314f
SHA3-384 hash: e281300795dd097f9c31705716f370909fd477729d7acf175deba837a5a797bb3ab6b90b2bda8b58b6bebc5441df778b
SHA1 hash: 05380461c672e76a9146eebe9db0bda8789fd41c
MD5 hash: 2a1564a79ffb2e1ac09089963a06653d
humanhash: video-ack-one-hydrogen
File name:AF3BBDF46FC.exe
Download: download sample
Signature CryptOne
File size:34'267'296 bytes
First seen:2025-04-16 09:35:59 UTC
Last seen:2025-04-16 09:38:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c16c795b57934183422be5f6df7d891 (36 x Mofksys, 18 x CryptOne, 6 x AveMariaRAT)
ssdeep 786432:bN0B2uqvm3iB01v1h0yS1y0Z6iZ3IwMZDgLWFfCfos6:agduyW1vdSNdVIPZUWdc8
TLSH T15777339E93F7926CD4C359F46D8F00C878C875BC94EC9A6E36CB5405B1A0D6E5ACE0B2
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 00928e8e8686b800 (21 x Mofksys, 9 x CryptOne, 5 x Amadey)
Reporter zhuzhu0009
Tags:CryptOne exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
450
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AF3BBDF46FC.exe
Verdict:
Malicious activity
Analysis date:
2025-04-16 08:13:30 UTC
Tags:
jeefo

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmprotect swisyn
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
Enabling the 'hidden' option for recently created files
Searching for the window
Setting a single autorun event
Enabling a "Do not show hidden files" option
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto fingerprint overlay packed packed packed packer_detected visual_basic
Result
Verdict:
MALICIOUS
Result
Threat name:
CryptOne, Mofksys
Detection:
malicious
Classification:
spre.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Detected CryptOne packer
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has a writeable .text section
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected Mofksys
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1666207 Sample: AF3BBDF46FC.exe Startdate: 16/04/2025 Architecture: WINDOWS Score: 100 64 googlecode.l.googleusercontent.com 2->64 66 codecmd03.googlecode.com 2->66 68 2 other IPs or domains 2->68 84 Antivirus / Scanner detection for submitted sample 2->84 86 Multi AV Scanner detection for dropped file 2->86 88 Multi AV Scanner detection for submitted file 2->88 90 7 other signatures 2->90 11 AF3BBDF46FC.exe 1 3 2->11         started        15 svchost.exe 2->15 injected 17 svchost.exe 2->17         started        19 6 other processes 2->19 signatures3 process4 dnsIp5 58 C:\Windows\Resources\Themes\icsys.icn.exe, MS-DOS 11->58 dropped 60 C:\Users\user\Desktop\af3bbdf46fc.exe, PE32+ 11->60 dropped 104 Drops executables to the windows directory (C:\Windows) and starts them 11->104 22 icsys.icn.exe 3 11->22         started        26 af3bbdf46fc.exe 1 11->26         started        106 Injects code into the Windows Explorer (explorer.exe) 15->106 28 consent.exe 2 15->28         started        30 explorer.exe 1 15->30         started        32 svchost.exe 1 15->32         started        108 Changes security center settings (notifications, updates, antivirus, firewall) 17->108 34 MpCmdRun.exe 17->34         started        70 127.0.0.1 unknown unknown 19->70 file6 signatures7 process8 file9 56 C:\Windows\Resources\Themes\explorer.exe, MS-DOS 22->56 dropped 98 Antivirus detection for dropped file 22->98 100 Drops PE files with benign system names 22->100 36 explorer.exe 1 14 22->36         started        41 conhost.exe 26->41         started        102 Writes to foreign memory regions 28->102 43 conhost.exe 34->43         started        signatures10 process11 dnsIp12 72 googlecode.l.googleusercontent.com 172.253.124.82, 49690, 49692, 49693 GOOGLEUS United States 36->72 74 64.233.177.82, 49691, 49694, 49702 GOOGLEUS United States 36->74 54 C:\Windows\Resources\spoolsv.exe, MS-DOS 36->54 dropped 92 Antivirus detection for dropped file 36->92 94 System process connects to network (likely due to code injection or exploit) 36->94 96 Drops PE files with benign system names 36->96 45 spoolsv.exe 3 36->45         started        file13 signatures14 process15 file16 62 C:\Windows\Resources\svchost.exe, MS-DOS 45->62 dropped 110 Antivirus detection for dropped file 45->110 112 Drops PE files with benign system names 45->112 49 svchost.exe 1 2 45->49         started        signatures17 process18 signatures19 76 Antivirus detection for dropped file 49->76 78 Multi AV Scanner detection for dropped file 49->78 80 Detected CryptOne packer 49->80 82 Drops executables to the windows directory (C:\Windows) and starts them 49->82 52 spoolsv.exe 1 49->52         started        process20
Gathering data
Threat name:
Win32.Trojan.Golsys
Status:
Malicious
First seen:
2025-04-16 08:13:33 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
35 of 38 (92.11%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
mofksys
Similar samples:
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Executes dropped EXE
Modifies visiblity of hidden/system files in Explorer
Verdict:
Malicious
Tags:
Win.Trojan.VBGeneric-6735875-0
YARA:
n/a
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MoleBoxv20
Author:malware-lu
Rule name:SEH__vba
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_Imphash_Mar23_2
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Generic_Threat_7526f106
Author:Elastic Security
Rule name:Windows_Generic_Threat_cbe3313a
Author:Elastic Security

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_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