MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 888061b9feafdf1d1df09b8e543e9b3545d627001bb6ef8ab511a613b321183c. 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


ResolverRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 888061b9feafdf1d1df09b8e543e9b3545d627001bb6ef8ab511a613b321183c
SHA3-384 hash: 397f6892476bbfc9e01e20d4c76484f73c3e3473e1193fd08b089e457c865edfc89c466711a8485a7fa1028f0730f6c6
SHA1 hash: aa205a311ca4d9132fc9abedff5de52281a24b31
MD5 hash: 4efed7532a8d283616d2a9a49e47e60e
humanhash: fifteen-eighteen-london-oregon
File name:hJ5bmFj.exe
Download: download sample
Signature ResolverRAT
Create hunting rule
File size:4'457'984 bytes
First seen:2025-06-06 06:15:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 98304:pZNHq9UIrjomSPPYPooxrfzFqxqptslMfdHQ4zGtvDlzez6AbSd8OF2:pj1ICPYP3xEYQdtvRWbSd8Og
TLSH T13E26E003BA964DA5D34AC7B2C8AB45100BFBE5853327DB2FED8E335A784377A9841507
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
Reporter abuse_ch
Tags:exe ResolverRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
414
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
hJ5bmFj.exe
Verdict:
Malicious activity
Analysis date:
2025-06-06 06:45:11 UTC
Tags:
auto-startup netreactor
Link:
https://app.any.run/tasks/7c0e0013-345b-4898-a897-b410b59192f7

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/7641/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.23224.8669.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6842886a8bd5d68a12e5dd74
Tags:
vmdetect
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/888061b9feafdf1d1df09b8e543e9b3545d627001bb6ef8ab511a613b321183c
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3fa8c575-dc99-418e-871a-4ba2196e118f
Result
Threat name:
ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1707931
Signature
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses threadpools to delay analysis
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1707931 Sample: hJ5bmFj.exe Startdate: 06/06/2025 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected ResolverRAT 2->44 46 Yara detected AntiVM3 2->46 48 6 other signatures 2->48 7 hJ5bmFj.exe 6 2->7         started        11 wscript.exe 1 2->11         started        process3 file4 36 C:\Users\user\AppData\Roaming\Length.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Roaming\...\Length.vbs, ASCII 7->38 dropped 40 C:\Users\user\...\Length.exe:Zone.Identifier, ASCII 7->40 dropped 50 Drops VBS files to the startup folder 7->50 52 Encrypted powershell cmdline option found 7->52 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->54 56 Uses threadpools to delay analysis 7->56 13 powershell.exe 23 7->13         started        16 InstallUtil.exe 7->16         started        18 InstallUtil.exe 7->18         started        22 8 other processes 7->22 58 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->58 20 Length.exe 2 11->20         started        signatures5 process6 signatures7 60 Loading BitLocker PowerShell Module 13->60 24 conhost.exe 13->24         started        26 WmiPrvSE.exe 13->26         started        62 Multi AV Scanner detection for dropped file 20->62 64 Writes to foreign memory regions 20->64 66 Injects a PE file into a foreign processes 20->66 68 Uses threadpools to delay analysis 20->68 28 InstallUtil.exe 20->28         started        30 InstallUtil.exe 20->30         started        32 InstallUtil.exe 20->32         started        34 7 other processes 20->34 process8
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/888061b9feafdf1d1df09b8e543e9b3545d627001bb6ef8ab511a613b321183c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/888061b9feafdf1d1df09b8e543e9b3545d627001bb6ef8ab511a613b321183c/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-06-06 00:58:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rcagdop6v7pr2hpqtohfipu3gvc5mjyado3o7cvvcgtbhmzbda6a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250606-g1kx2aej5t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Drops startup file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e716d058-110a-4dbd-9b4a-1270107fd1a5
Unpacked files
SH256 hash:
888061b9feafdf1d1df09b8e543e9b3545d627001bb6ef8ab511a613b321183c
MD5 hash:
4efed7532a8d283616d2a9a49e47e60e
SHA1 hash:
aa205a311ca4d9132fc9abedff5de52281a24b31
Link:
https://www.unpac.me/results/064ea71a-9864-4be5-b2b5-de74f47f6730/
SH256 hash:
871a67fedd4ce469a45b76512ba4300dd354f1f26362ab8e75f417eb2e340181
MD5 hash:
89ffe2accc543c30ad2e57205596fa30
SHA1 hash:
6420593f0dbc4e2c7c3b52544053c6cf5cfaec88
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/064ea71a-9864-4be5-b2b5-de74f47f6730/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/888061b9feafdf1d1df09b8e543e9b3545d627001bb6ef8ab511a613b321183c

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:win32_dotnet_obfuscate
Create hunting rule
Author:Reedus0
Description:Rule for detecting .NET obfuscated malware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

ResolverRAT

Executable exe 888061b9feafdf1d1df09b8e543e9b3545d627001bb6ef8ab511a613b321183c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558586/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/7641/

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 (GUARD_CF)high

Comments