MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf91cb86e3d06ae3ac4ac6cd2252a387046c10658701ea8a11ffa706397814c2. 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


HijackLoader


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf91cb86e3d06ae3ac4ac6cd2252a387046c10658701ea8a11ffa706397814c2
SHA3-384 hash: 84611af7875faf14df92e96a1894e505f80e10285d55a486fada2264f36d52db86bfac4c7d4fa987e28d27b05a6cf00d
SHA1 hash: 9f0727e944de909dc0f3377dd5e08ab530a97e1a
MD5 hash: 3d8bea780796b035905f9a196f0e50a4
humanhash: tango-river-xray-table
File name:nnUKj9Yl.msi
Download: download sample
Signature HijackLoader
Create hunting rule
File size:12'324'864 bytes
First seen:2025-11-08 14:23:07 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:Nk/VeNKtK2nNBkQllP8e8hCwtYx1KdQ/mR1Eo59NiUaMQv4Rh1XPB0lSwKM6oPyi:o8NKtvnFllx8hM1eGo7M/ap86oPZ
Threatray 26 similar samples on MalwareBazaar
TLSH T128C63380D9037662F79A43BE50253AB1EDAB2E65CE046513B7E07F263B3F56731C4688
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter aachum
Tags:dropped-by-Rhadamanthys groveri-eu HIjackLoader msi


Avatar
iamaachum
IOC: groveri.eu

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
ES ES
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/36532/
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690f527a3afb53888cc9c27b
Tags:
n/a
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug crypto expired-cert installer installer wix
Link:
https://www.filescan.io/uploads/690f525b8938e2fe221662c9/reports/2dd3c235-3876-4681-a575-9850cf47107c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bf91cb86e3d06ae3ac4ac6cd2252a387046c10658701ea8a11ffa706397814c2
Verdict:
Malicious
File Type:
msi
First seen:
2025-11-08T11:33:00Z UTC
Last seen:
2025-11-10T06:52:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.OLE2.Alien.gen Trojan.Win32.Strab.sb Trojan.Win32.Penguish.sb Trojan.Win32.Agent.sb
Link:
https://opentip.kaspersky.com/bf91cb86e3d06ae3ac4ac6cd2252a387046c10658701ea8a11ffa706397814c2/results?tab=lookup
Result
Threat name:
HijackLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1810589
Signature
Antivirus detection for dropped file
Contains VNC / remote desktop functionality (version string found)
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Query firmware table information (likely to detect VMs)
Switches to a custom stack to bypass stack traces
Yara detected HijackLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810589 Sample: nnUKj9Yl.msi Startdate: 08/11/2025 Architecture: WINDOWS Score: 100 50 groveri.eu 2->50 52 example.com 2->52 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for dropped file 2->64 66 3 other signatures 2->66 9 msiexec.exe 89 49 2->9         started        12 msiexec.exe 3 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\zpsres.US.dll, PE32 9->34 dropped 36 C:\Users\user\AppData\Local\Sauch\zcl.dll, PE32 9->36 dropped 38 C:\Users\user\AppData\...\libiomp5md.dll, PE32 9->38 dropped 40 10 other malicious files 9->40 dropped 14 SerStrata.exe 16 9->14         started        process6 file7 42 C:\ProgramData\...\zpsres.US.dll, PE32 14->42 dropped 44 C:\ProgramData\...\zcl.dll, PE32 14->44 dropped 46 C:\ProgramData\...\libiomp5md.dll, PE32 14->46 dropped 48 10 other malicious files 14->48 dropped 84 Switches to a custom stack to bypass stack traces 14->84 18 SerStrata.exe 7 14->18         started        signatures8 process9 file10 28 C:\Users\user\AppData\Roaming\...\Chime.exe, PE32 18->28 dropped 30 C:\Users\user\AppData\...\PhotBridge.exe, PE32 18->30 dropped 32 C:\Users\user\AppData\Local\...\4A935D0.tmp, PE32 18->32 dropped 68 Found hidden mapped module (file has been removed from disk) 18->68 70 Maps a DLL or memory area into another process 18->70 72 Switches to a custom stack to bypass stack traces 18->72 74 Found direct / indirect Syscall (likely to bypass EDR) 18->74 22 PhotBridge.exe 5 18->22         started        26 Chime.exe 2 18->26         started        signatures11 process12 dnsIp13 54 groveri.eu 66.90.86.58, 3333, 49690, 49692 COGENT-174US United States 22->54 56 23.215.0.136, 49722, 49724, 49726 AKAMAI-ASUS United States 22->56 58 example.com 23.215.0.138, 49691, 49695, 49699 AKAMAI-ASUS United States 22->58 76 Query firmware table information (likely to detect VMs) 22->76 78 Contains VNC / remote desktop functionality (version string found) 22->78 80 Switches to a custom stack to bypass stack traces 22->80 82 Found direct / indirect Syscall (likely to bypass EDR) 22->82 signatures14
Score:
4%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/bf91cb86e3d06ae3ac4ac6cd2252a387046c10658701ea8a11ffa706397814c2
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf91cb86e3d06ae3ac4ac6cd2252a387046c10658701ea8a11ffa706397814c2/
Verdict:
Malicious
Threat:
Family.HIJACKLOADER
Link:
https://tip.neiki.dev/file/bf91cb86e3d06ae3ac4ac6cd2252a387046c10658701ea8a11ffa706397814c2
Threat name:
Win32.Trojan.Hijackloader
Create hunting rule
Status:
Malicious
First seen:
2025-11-08 14:23:26 UTC
File Type:
Binary (Archive)
Extracted files:
245
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6i4xbxd2bvohlcky3gseuvdq4cgyedfq4a6vcqr76tqmolyctba._file
Verdict:
malicious
Label(s):
hijackloader
Create hunting rule
Similar samples:
628b3d1725dd4d33e8e2a4052a3f91603088198c8629d6aa386a868977c49879
HijackLoader
a153dd1ca451bdb9c83ed29aba2582195b42dae721aac78515eea97b7e4fe267
HijackLoader
a8a4d5359e832c8d0c8068f84e94d373ada45e8f3590ba02931000bcf37d3b11
HijackLoader
bf91cb86e3d06ae3ac4ac6cd2252a387046c10658701ea8a11ffa706397814c2
HijackLoader
ca2126bc7dc1381850cede41dfb525de7d3109842f9fe7dfb17ddd0918d46654
HijackLoader
df605aa20e6a2d09ceefd7db62e7ff24c6495007f5dc2a453e66a6dc8090b1d7
HijackLoader
error
HijackLoader
+ 16 additional samples on MalwareBazaar
Result
Malware family:
hijackloader
Create hunting rule
Score:
  10/10
Tags:
family:hijackloader credential_access discovery loader persistence privilege_escalation ransomware spyware stealer
Link:
https://tria.ge/reports/251108-rqbayszpaj/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
Reads user/profile data of web browsers
System Location Discovery: System Language Discovery
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Enumerates connected drives
Unsecured Credentials: Credentials In Files
Detects HijackLoader (aka IDAT Loader)
HijackLoader
Hijackloader family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a75b5847-5232-48b7-aade-234777b93327
Malware family:
IDATLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf91cb86e3d0/report/overview.html
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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Web download

HijackLoader

Microsoft Software Installer (MSI) msi bf91cb86e3d06ae3ac4ac6cd2252a387046c10658701ea8a11ffa706397814c2

(this sample)

  
Link
https://tria.ge/251108-rhrmzabz3g/behavioral2
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/36532/

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