MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a81c774250f8247304afb6432316b0d8e97499729395d9de3e02632fd8e2588d. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a81c774250f8247304afb6432316b0d8e97499729395d9de3e02632fd8e2588d
SHA3-384 hash: dab48ed9a5307402fc3afeac73e7be8d1b1f11edadd2799adff9b773de07c70a30654017175ff69fc8779ba8596f4801
SHA1 hash: eba758968c9e595d7158f7fb09c8f020565dde0f
MD5 hash: d55ca92a8b007d0d6257dd68f519bf46
humanhash: low-alaska-lemon-november
File name:Ispolnitelniy_List_1180691-25.scr
Download: download sample
Signature DarkWatchman
Create hunting rule
File size:757'912 bytes
First seen:2025-04-11 05:02:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:7UAJ/e5E/p/wXI19QbziF6rnp5GQWaRonPQ2HXiooen4pUvxZQGjxdj+Cf3FrMwX:4AY5aQbtrnpAQXRV2ClUnjxd+e1rGx
Threatray 4'226 similar samples on MalwareBazaar
TLSH T1ECF4014872A98F02C5BA0BF059B1D17423B47DAE6820D3465EF5BCCF7E36B055A80B97
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 7e7676666666666c (1 x DarkWatchman, 1 x Gh0stRAT)
Reporter KodaDr
Tags:DarkWatchman exe PackedNET trojan


Avatar
KodaDr
hххps://files.fssp.tech/downloads/Ispolnitelniy_List_1180691-25.html

Intelligence

File Origin
# of uploads :
1
# of downloads :
642
Origin country :
RU RU
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/1784/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f8a3971dba888a93d01a04
Tags:
agenttesla shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
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 masquerade obfuscated packed packed packer_detected self-signed-cert signed vbnet
Link:
https://www.filescan.io/uploads/67f8a28d2d430c849e131891/reports/3a6d9650-9697-434d-be9f-8660e745701b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a81c774250f8247304afb6432316b0d8e97499729395d9de3e02632fd8e2588d
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e9c2a275-98a2-4655-aa26-764d78e8399d
Result
Threat name:
DarkWatchman
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1662800
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Creates processes via WMI
Deletes shadow drive data (may be related to ransomware)
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
Performs DNS queries to domains with low reputation
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Initiated Connection to Non-Local Network
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 AntiVM3
Yara detected DarkWatchman
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1662800 Sample: Ispolnitelniy_List_1180691-... Startdate: 11/04/2025 Architecture: WINDOWS Score: 100 46 4ad74aab.xyz 2->46 48 4ad74aab.cfd 2->48 52 Suricata IDS alerts for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 60 11 other signatures 2->60 11 Ispolnitelniy_List_1180691-25.scr.exe 3 2->11         started        15 wscript.exe 2->15         started        17 wscript.exe 2 2->17         started        signatures3 58 Performs DNS queries to domains with low reputation 46->58 process4 dnsIp5 40 Ispolnitelniy_List...0691-25.scr.exe.log, ASCII 11->40 dropped 62 Injects a PE file into a foreign processes 11->62 20 Ispolnitelniy_List_1180691-25.scr.exe 12 11->20         started        64 System process connects to network (likely due to code injection or exploit) 15->64 66 Deletes shadow drive data (may be related to ransomware) 15->66 44 4ad74aab.cfd 185.159.131.10, 443, 49724, 49725 ITOS-ASRU Russian Federation 17->44 file6 signatures7 process8 file9 38 C:\Users\user\AppData\Local\...\3810040912, ASCII 20->38 dropped 23 cmd.exe 1 20->23         started        25 WerFault.exe 21 16 20->25         started        process10 process11 27 wscript.exe 5 5 23->27         started        31 conhost.exe 23->31         started        file12 42 C:\Users\user\AppData\Local\9e146be90.js, ASCII 27->42 dropped 68 Suspicious powershell command line found 27->68 70 Wscript starts Powershell (via cmd or directly) 27->70 72 Deletes shadow drive data (may be related to ransomware) 27->72 74 5 other signatures 27->74 33 powershell.exe 23 27->33         started        signatures13 process14 signatures15 50 Loading BitLocker PowerShell Module 33->50 36 conhost.exe 33->36         started        process16
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a81c774250f8247304afb6432316b0d8e97499729395d9de3e02632fd8e2588d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a81c774250f8247304afb6432316b0d8e97499729395d9de3e02632fd8e2588d/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-04-10 19:54:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 36 (58.33%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vaohoqsq7ashgbfpwzbsgfvq3duxjglssok5txr6ajrs7whclcgq._file
Verdict:
malicious
Label(s):
captiveaaloader
Create hunting rule
unc_loader_037
Create hunting rule
genericransomware
Create hunting rule
Similar samples:
803f85ff16679b78ef373bc5ad30723c82c2902f1958a53ec5cffafeee4d4b2e
DarkWatchman
a219e517e4f68db96fa6c7bf2d044b991043884cb1ac1dbd5de22ec5f08ddb00
DarkWatchman
a81c774250f8247304afb6432316b0d8e97499729395d9de3e02632fd8e2588d
DarkWatchman
ce1cdc18e2f0affe111e30fef5c27dd5bc000625ee49f9e48f298a55c00fe682
DarkWatchman
error
DarkWatchman
f2392e04e5ffb9bcee95ce763a7686322a9abd7210af28ef3f653402515a6013
DarkWatchman
+ 4'216 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250411-fpq48szwcx/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Process spawned unexpected child process
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ae3c16b3-3e6f-4ca6-b10f-e08589164142
Unpacked files
SH256 hash:
a81c774250f8247304afb6432316b0d8e97499729395d9de3e02632fd8e2588d
MD5 hash:
d55ca92a8b007d0d6257dd68f519bf46
SHA1 hash:
eba758968c9e595d7158f7fb09c8f020565dde0f
Link:
https://www.unpac.me/results/e50e07ed-ef71-40df-aed3-d9c085a14308/
SH256 hash:
8c220de2539681c27157eb029de7ca87b3a978fb2ff9069e1be3f1e7dc8da4fb
MD5 hash:
4376250eea0838e54a7b2a8ec7673781
SHA1 hash:
1ff24812c98573ec13df9fffee0f1bc2ee5607d7
Link:
https://www.unpac.me/results/e50e07ed-ef71-40df-aed3-d9c085a14308/
SH256 hash:
44c4ca0aaf571044191f29085550eae67e57c0b600df0547f17d5a21b8d1e96f
MD5 hash:
80eb5d42de82bf60c6c21460ef46c9bb
SHA1 hash:
6d74af7f34a700ddcf87a08a6d75a7232dad3cd8
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/e50e07ed-ef71-40df-aed3-d9c085a14308/
SH256 hash:
95fe4346c292ace36143c1e62914c94907605902c112c415ee6d7eac9dbd3cd8
MD5 hash:
54b1bba9b1b8ee679c8b2ed2be5cc4e8
SHA1 hash:
b1ec5d73b9840b00217686190d058f7eb283879c
Link:
https://www.unpac.me/results/e50e07ed-ef71-40df-aed3-d9c085a14308/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a81c774250f8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a81c774250f8247304afb6432316b0d8e97499729395d9de3e02632fd8e2588d

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.

Cape
Cape
https://www.capesandbox.com/analysis/1784/

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

Comments