MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f8a234d1380cc4789f9d21dd108a20fe377a5dede8b2eddc551cebc64eec00f. 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


OffLoader


Vendor detections: 17


Intelligence 17 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f8a234d1380cc4789f9d21dd108a20fe377a5dede8b2eddc551cebc64eec00f
SHA3-384 hash: 142e714dc726ddb95b337690429f4b91beeb2c37441603323ccfed5430bfc3f2cf2382747d003ceb3114a7df8fa8c5b7
SHA1 hash: 71953636f9d5c15f46c50aca2db6242f5906d250
MD5 hash: ca64c8b4cef7126f5ef94fba56cba8dd
humanhash: seventeen-snake-floor-oklahoma
File name:3f8a234d1380cc4789f9d21dd108a20fe377a5dede8b2eddc551cebc64eec00f
Download: download sample
Signature OffLoader
Create hunting rule
File size:26'805'280 bytes
First seen:2025-12-28 14:39:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ac4ded70f85ef621e5f8917b250855be (37 x OffLoader, 3 x Tofsee, 3 x QuasarRAT)
ssdeep 98304:cN66MH17dWH8glgm7WlcVNMIg/0pH2a++CBsIMCy0we:YMH1UHbgg4SGIm0WbsIcK
TLSH T1B2471233B28A673EE06E5A3B59B692105D3B7A21A51F8C1696F44C8CCF2D0601E3F757
TrID 60.0% (.EXE) Inno Setup installer (107240/4/30)
23.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
5.8% (.EXE) Win64 Executable (generic) (10522/11/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter JAMESWT_WT
Tags:exe hov-kievholod-kiev-ua OffLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
IT IT
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2f518765-0270-452d-aad4-219424ebe33c/
Malware family:
quasar
Create hunting rule
ID:
1
File name:
3f8a234d1380cc4789f9d21dd108a20fe377a5dede8b2eddc551cebc64eec00f
Verdict:
Malicious activity
Analysis date:
2025-12-28 14:45:15 UTC
Tags:
pastebin rat quasar remote upx evasion stealer stealc vidar
Link:
https://app.any.run/tasks/84f5a1b3-e068-4819-98c8-9e7c54f4a8f8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/46298/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695141584503237b77fc087e
Tags:
dropper virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context embarcadero_delphi expand fingerprint inno installer installer installer-heuristic lodarat lolbin overlay packed tofsee
Link:
https://www.filescan.io/uploads/6951415429529c74a2f578b9/reports/a5b369bf-8ae4-4254-b56e-a472ed311795/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/3f8a234d1380cc4789f9d21dd108a20fe377a5dede8b2eddc551cebc64eec00f
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-26T01:13:00Z UTC
Last seen:
2025-12-28T15:50:00Z UTC
Hits:
~100
Detections:
Trojan-Dropper.Win32.DLLhijack.sb Trojan.Win32.Quasar.sb Trojan.Win32.Mansabo.sb Trojan.Win32.Gatak.sb Trojan.MSIL.Quasar.gbz Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Shellcode.sb Trojan.Win32.Foxhiex.sb Trojan.Win32.AntiAV.sb Trojan.MSIL.Quasar.gcq Backdoor.MSIL.Agent.sb Trojan.Win32.RokRat.sb Trojan.Win32.DLLhijack.sb Trojan.Win32.Agent.sb Trojan.MSIL.Quasar.a Backdoor.Win32.Zegost.sb Trojan.MSIL.Crypt.sb Trojan-PSW.Win32.Stealer.sb
Link:
https://opentip.kaspersky.com/3f8a234d1380cc4789f9d21dd108a20fe377a5dede8b2eddc551cebc64eec00f/results?tab=lookup
Score:
90%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3f8a234d1380cc4789f9d21dd108a20fe377a5dede8b2eddc551cebc64eec00f
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/ca64c8b4cef7126f5ef94fba56cba8dd
Gathering data
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/3f8a234d1380cc4789f9d21dd108a20fe377a5dede8b2eddc551cebc64eec00f
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 02:11:00 UTC
AV detection:
14 of 37 (37.84%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6fcgtitqdgepcpz2io5ccfcb7rxpjo632fs5xofkhhlyzhoyahq._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:day2 defense_evasion discovery installer spyware trojan upx
Link:
https://tria.ge/reports/251228-r1yh8sxphz/
Behaviour
Checks SCSI registry key(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Inno Setup is an open-source installation builder for Windows applications.
Enumerates physical storage devices
System Location Discovery: System Language Discovery
UPX packed file
Legitimate hosting services abused for malware hosting/C2
ACProtect 1.3x - 1.4x DLL software
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar family
Quasar payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a4af6af2-bc85-42ed-96e8-561365595dcf
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f8a234d1380/report/overview.html
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/3f8a234d1380cc4789f9d21dd108a20fe377a5dede8b2eddc551cebc64eec00f

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:Borland
Create hunting rule
Author:malware-lu
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MAL_packer_lb_was_detected
Create hunting rule
Author:0x0d4y
Description:Detect the packer used by Lockbit4.0
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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/46298/

Comments