MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54. 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


DarkWatchman


Vendor detections: 15


Intelligence 15 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54
SHA3-384 hash: dceef6964106df27e9675c6c86aa9e98fd0168ac9154beaa21157f503f3aef98df4fb1a82407551c339474b211c2b8b3
SHA1 hash: 93f343d331f842171df5d1d7dcb9e9074dfe97f6
MD5 hash: ed3ae682cf9954550fc2ede0c3c3b09b
humanhash: april-oklahoma-mike-cat
File name:3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54
Download: download sample
Signature DarkWatchman
Create hunting rule
File size:865'624 bytes
First seen:2025-04-08 08:23:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:OY9n6nHY5uIxWFFMH6RdQKIbFhZRtU+8mwsHKa:OYonHY4IuVKKChZRtB8mwsH/
Threatray 4'284 similar samples on MalwareBazaar
TLSH T116050148AB08D603CA855B741A32F675137AAEDAE901D3129FDCBDEF7D76B204C04297
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 e0e4a2aaa4b8a888 (10 x DarkWatchman, 5 x SnakeKeylogger, 5 x Formbook)
Reporter adrian__luca
Tags:DarkWatchman exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
317
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54
Verdict:
Malicious activity
Analysis date:
2025-04-08 12:19:08 UTC
Tags:
phishing susp-powershell
Link:
https://app.any.run/tasks/3464569c-f134-4948-8ed0-4d2b86de72e5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4de86a695a0cd1facad5b
Tags:
virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Searching for synchronization primitives
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Moving a recently created file
Searching for the window
Launching a process
DNS request
Connection attempt to an infection source
Connection attempt
Query of malicious DNS domain
Sending a TCP request to an infection source
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature obfuscated packed packed packer_detected signed swisyn
Link:
https://www.filescan.io/uploads/67f4dd31b070fb3f94606b6e/reports/1d8e6ac8-ff90-458d-901a-1e3bf140b02c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/336f8692-19e0-49bc-9e41-8293cfd2b0d9
Result
Threat name:
DarkWatchman
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1659785
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Deletes shadow drive data (may be related to ransomware)
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Invocations - Generic - PowerShell Module
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes or reads registry keys via WMI
Wscript starts Powershell (via cmd or directly)
Yara detected DarkWatchman
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1659785 Sample: iYCSTbLOQX.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 71 4ad74aab.xyz 2->71 73 4ad74aab.fun 2->73 75 2 other IPs or domains 2->75 77 Suricata IDS alerts for network traffic 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 85 15 other signatures 2->85 11 iYCSTbLOQX.exe 2 2->11         started        14 wscript.exe 2->14         started        16 wscript.exe 3 2->16         started        signatures3 83 Performs DNS queries to domains with low reputation 71->83 process4 dnsIp5 91 Injects a PE file into a foreign processes 11->91 19 iYCSTbLOQX.exe 10 11->19         started        22 iYCSTbLOQX.exe 11->22         started        93 System process connects to network (likely due to code injection or exploit) 14->93 95 Deletes shadow drive data (may be related to ransomware) 14->95 24 powershell.exe 14->24         started        27 powershell.exe 14->27         started        69 4ad74aab.fun 185.159.131.10, 443, 49694, 49695 ITOS-ASRU Russian Federation 16->69 signatures6 process7 file8 57 C:\Users\user\AppData\Local\Data\3610022385, ASCII 19->57 dropped 29 cmd.exe 1 19->29         started        31 WerFault.exe 22 16 19->31         started        59 C:\Users\user\AppData\...\0ghjkglt.cmdline, Unicode 24->59 dropped 89 Installs a global keyboard hook 24->89 34 csc.exe 24->34         started        36 conhost.exe 24->36         started        38 csc.exe 27->38         started        40 conhost.exe 27->40         started        signatures9 process10 file11 42 wscript.exe 6 5 29->42         started        46 conhost.exe 29->46         started        63 C:\ProgramData\Microsoft\...\Report.wer, Unicode 31->63 dropped 65 C:\Users\user\AppData\Local\...\0ghjkglt.dll, PE32 34->65 dropped 48 cvtres.exe 34->48         started        67 C:\Users\user\AppData\Local\...\jsnp3dyd.dll, PE32 38->67 dropped 50 cvtres.exe 38->50         started        process12 file13 61 C:\Users\user\AppData\Local\9e146be90.js, ASCII 42->61 dropped 97 Suspicious powershell command line found 42->97 99 Wscript starts Powershell (via cmd or directly) 42->99 101 Encrypted powershell cmdline option found 42->101 103 6 other signatures 42->103 52 powershell.exe 23 42->52         started        signatures14 process15 signatures16 87 Loading BitLocker PowerShell Module 52->87 55 conhost.exe 52->55         started        process17
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-03-25 12:59:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnni5cmon3guz7jfeire5vzlzfrr3762r72luecolfkc3qkxr5ka._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
genericransomware
Create hunting rule
Similar samples:
22c52e17a54bd53ba24aadbfdaf2bccb14824594abe0b705e51f7c948296b1fc
DarkWatchman
3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54
DarkWatchman
642f3e679fb526ac4f2d3eb833fba312c4aefe6ad34df78edda56bc0003ac7e1
DarkWatchman
78f62280687f1306d1b99e72d2a89e928b640cb5b46699a0f51897a77237d216
DarkWatchman
903c2fec6a8f42547c6e3e66e5465fb1061c3e1d9aba8b6ca898dad587943490
DarkWatchman
error
DarkWatchman
f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a
DarkWatchman
+ 4'274 additional samples on MalwareBazaar
Result
Malware family:
darkwatchman
Create hunting rule
Score:
  10/10
Tags:
family:darkwatchman discovery execution trojan
Link:
https://tria.ge/reports/250408-kaawxs1zfx/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Darkwatchman
Darkwatchman family
Process spawned unexpected child process
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0b1463e0-7d3e-485f-8a64-1a8855bb3160
Unpacked files
SH256 hash:
3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54
MD5 hash:
ed3ae682cf9954550fc2ede0c3c3b09b
SHA1 hash:
93f343d331f842171df5d1d7dcb9e9074dfe97f6
Link:
https://www.unpac.me/results/44b43f74-030a-4e4f-8971-c9b8c34a2472/
SH256 hash:
bbac028c0470bfe98177dde3bbd82b48a316a992fb51797a79e1aca9064bfb9f
MD5 hash:
2e794cc77833e2e5f4a8514a9014e5e8
SHA1 hash:
288d60c2f36ce703122034fec75f56096595a629
Link:
https://www.unpac.me/results/44b43f74-030a-4e4f-8971-c9b8c34a2472/
SH256 hash:
e757898c2c0bb04bef27492967673033f69cc992fe90e2c1cb94e99987a7c820
MD5 hash:
869b0e68494cdd35fd87cb1c54d36ee3
SHA1 hash:
3ddf1a04ceaa02dd7510d1211e6dbff559813fde
Link:
https://www.unpac.me/results/44b43f74-030a-4e4f-8971-c9b8c34a2472/
SH256 hash:
aceb7113ace6699fa7335a4e8f627c8a29b86312839e017af50afadb71195b19
MD5 hash:
a3927af2c7553af79b7a2ead754d3af7
SHA1 hash:
6803d1f8095507b73b4f81a7c2381a7cefa858dc
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/44b43f74-030a-4e4f-8971-c9b8c34a2472/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b5a8e898e6e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/3b5a8e898e6ecd4cfd2522224ed72bc9631dffda8ff4ba104e59542dc1578f54

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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 (HIGH_ENTROPY_VA)high

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