MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b43b684261e61c83d19cadb916bff7d115ae34d3d69c4e4afbcc11b6a5a3ca43. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: b43b684261e61c83d19cadb916bff7d115ae34d3d69c4e4afbcc11b6a5a3ca43
SHA3-384 hash: 4cb13eb8a786a01fea177a8444c560fe2c374aa2faa38cd04c65e822b63e0543b2861bad73e8149b6e091014576a4a60
SHA1 hash: d171b146b8f4b54f345cbbad65aed1941921e219
MD5 hash: 396f39e480fce24856dc5855318821ad
humanhash: rugby-summer-batman-carbon
File name:q52ioPExTX.exe
Download: download sample
Signature CryptOne
File size:7'446'684 bytes
First seen:2025-04-16 09:33:43 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 196608:Z+GxNOT4KZUi+t6iNjtNe/YCrjqmh1zNHQM5Ch:zxQkPi+PNjtMT5Ch
TLSH T1F876D0F999CD1F32EAD043F7F9AC890F72C4EEA528DB190E8C59037EEEC20A51549651
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 :
1
# of downloads :
416
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
q52ioPExTX.exe
Verdict:
Malicious activity
Analysis date:
2025-04-16 08:20:00 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:
emotet swisyn
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Сreating synchronization primitives
Creating a window
Creating a file in the Windows subdirectories
Setting a single autorun event
Enabling a "Do not show hidden files" option
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed packed packed packer_detected visual_basic
Result
Verdict:
MALICIOUS
Result
Threat name:
CryptOne, Mofksys
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Creates a thread in another existing process (thread injection)
Detected CryptOne packer
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Injects a PE file into a foreign processes
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 has a writeable .text section
Queries temperature or sensor information (via WMI often done to detect virtual machines)
Queries voltage information (via WMI often done to detect virtual machines)
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)
Tries to detect virtualization through RDTSC time measurements
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected Mofksys
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1666204 Sample: q52ioPExTX.exe Startdate: 16/04/2025 Architecture: WINDOWS Score: 100 75 googlecode.l.googleusercontent.com 2->75 77 codecmd03.googlecode.com 2->77 79 2 other IPs or domains 2->79 87 Antivirus detection for dropped file 2->87 89 Antivirus / Scanner detection for submitted sample 2->89 91 Multi AV Scanner detection for dropped file 2->91 93 8 other signatures 2->93 11 q52ioPExTX.exe 1 3 2->11         started        15 svchost.exe 2->15 injected 17 svchost.exe 2->17         started        19 5 other processes 2->19 signatures3 process4 file5 71 C:\Windows\Resources\Themes\icsys.icn.exe, MS-DOS 11->71 dropped 73 C:\Users\user\Desktop\q52iopextx.exe, PE32+ 11->73 dropped 135 Drops executables to the windows directory (C:\Windows) and starts them 11->135 21 icsys.icn.exe 3 11->21         started        25 q52iopextx.exe 4 11->25         started        137 Injects code into the Windows Explorer (explorer.exe) 15->137 27 consent.exe 2 15->27         started        29 explorer.exe 1 15->29         started        31 svchost.exe 15->31         started        139 Changes security center settings (notifications, updates, antivirus, firewall) 17->139 33 MpCmdRun.exe 17->33         started        signatures6 process7 file8 63 C:\Windows\Resources\Themes\explorer.exe, MS-DOS 21->63 dropped 115 Antivirus detection for dropped file 21->115 117 Drops PE files with benign system names 21->117 35 explorer.exe 2 16 21->35         started        65 C:\Windows\System32\PocoNet64.dll, PE32+ 25->65 dropped 67 C:\Windows\System32\PocoFoundation64.dll, PE32+ 25->67 dropped 69 C:\Windows\System32behaviorgraphmp.dll, PE32+ 25->69 dropped 119 Writes to foreign memory regions 25->119 121 Allocates memory in foreign processes 25->121 123 Creates a thread in another existing process (thread injection) 25->123 125 Injects a PE file into a foreign processes 25->125 40 cmd.exe 25->40         started        42 cmd.exe 25->42         started        44 conhost.exe 25->44         started        48 8 other processes 25->48 46 conhost.exe 33->46         started        signatures9 process10 dnsIp11 81 googlecode.l.googleusercontent.com 64.233.185.82, 49728, 49743, 49752 GOOGLEUS United States 35->81 83 74.125.136.82, 49735, 49759, 49782 GOOGLEUS United States 35->83 61 C:\Windows\Resources\spoolsv.exe, MS-DOS 35->61 dropped 101 Antivirus detection for dropped file 35->101 103 System process connects to network (likely due to code injection or exploit) 35->103 105 Multi AV Scanner detection for dropped file 35->105 107 Drops PE files with benign system names 35->107 50 spoolsv.exe 3 35->50         started        109 Queries voltage information (via WMI often done to detect virtual machines) 40->109 111 Tries to detect virtualization through RDTSC time measurements 40->111 113 Queries temperature or sensor information (via WMI often done to detect virtual machines) 40->113 85 146.71.76.35, 49717, 49718, 49719 NETROUTING-ASNL United States 42->85 file12 signatures13 process14 file15 59 C:\Windows\Resources\svchost.exe, MS-DOS 50->59 dropped 95 Antivirus detection for dropped file 50->95 97 Multi AV Scanner detection for dropped file 50->97 99 Drops PE files with benign system names 50->99 54 svchost.exe 1 50->54         started        signatures16 process17 signatures18 127 Antivirus detection for dropped file 54->127 129 Multi AV Scanner detection for dropped file 54->129 131 Detected CryptOne packer 54->131 133 Drops executables to the windows directory (C:\Windows) and starts them 54->133 57 spoolsv.exe 1 54->57         started        process19
Threat name:
Win32.Trojan.Golsys
Status:
Malicious
First seen:
2025-04-16 08:20:02 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
24 of 24 (100.00%)
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
Loads dropped DLL
Blocklisted process makes network request
Modifies visiblity of hidden/system files in Explorer
Verdict:
Malicious
Tags:
Win.Trojan.VBGeneric-6735875-0
YARA:
n/a
Unpacked files
SH256 hash:
b43b684261e61c83d19cadb916bff7d115ae34d3d69c4e4afbcc11b6a5a3ca43
MD5 hash:
396f39e480fce24856dc5855318821ad
SHA1 hash:
d171b146b8f4b54f345cbbad65aed1941921e219
SH256 hash:
36c3d10782dcfd58bc1987f4cf2300492c5d92506cc770ca6503bbc45d4cb550
MD5 hash:
23d1a4c5336ce3e77cd5a38bff3663da
SHA1 hash:
21addf20da42afd0db42eaba93fe59f99e8552ab
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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