MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f0f46dc270ea7e929b2ae662a8480f5766df7e17ff76816bba7a07865b2806d. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash: 1f0f46dc270ea7e929b2ae662a8480f5766df7e17ff76816bba7a07865b2806d
SHA3-384 hash: 65829a08d9cbba017bc8295c7844ffc3f76497e2654278852de54c04eb533c39892459e38fceaf688d023e691f7d8beb
SHA1 hash: c759351e55b66f8f1c2f5c7ce5ce975dd05d4561
MD5 hash: 6b18bc2388eb1162da48c366fc90bedc
humanhash: victor-mexico-xray-zebra
File name:file
Download: download sample
Signature OffLoader
File size:4'944'303 bytes
First seen:2026-01-04 19:06:27 UTC
Last seen:2026-01-17 01:06:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ac4ded70f85ef621e5f8917b250855be (37 x OffLoader, 3 x Tofsee, 3 x QuasarRAT)
ssdeep 98304:HN66h+qY9CLppI6cmLB6/EGv+e+6QX0/RSLOEAN3v5Ilb:/ZgCLrI6cmLw/Rv+e+6dZ1PN3ip
TLSH T1F0361227B24A673EE0AA5B3749F2D2105D3B7A61A51F8C1696F41C4CDF2E0602E7F247
TrID 62.3% (.EXE) Inno Setup installer (107240/4/30)
24.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
6.1% (.EXE) Win64 Executable (generic) (10522/11/4)
2.6% (.EXE) Win32 Executable (generic) (4504/4/1)
1.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter Bitsight
Tags:dropped-by-Stealc exe OffLoader XSS


Avatar
Bitsight
url: http://62.60.226.159/background_9.5982.7702.8199_INSTALL.exe

Intelligence


File Origin
# of uploads :
241
# of downloads :
122
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_1f0f46dc270ea7e929b2ae662a8480f5766df7e17ff76816bba7a07865b2806d.exe
Verdict:
Suspicious activity
Analysis date:
2026-01-04 19:09:14 UTC
Tags:
upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Moving a recently created file
Searching for the window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for recently created files
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context embarcadero_delphi fingerprint inno installer installer installer-heuristic overlay packed tofsee
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-04T16:16:00Z UTC
Last seen:
2026-01-05T13:24:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Reflo.sb Trojan.Win64.Reflo.isr
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2026-01-04 19:07:14 UTC
File Type:
PE (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery installer persistence upx
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Inno Setup is an open-source installation builder for Windows applications.
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
UPX packed file
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1f0f46dc270ea7e929b2ae662a8480f5766df7e17ff76816bba7a07865b2806d
MD5 hash:
6b18bc2388eb1162da48c366fc90bedc
SHA1 hash:
c759351e55b66f8f1c2f5c7ce5ce975dd05d4561
SH256 hash:
728dcf05cc8f956d62a598eb949cb4f50899e7a3f976492afccc8af5f0f50fa4
MD5 hash:
a2cddf54d641b8a9ea2db6dba14a9ad0
SHA1 hash:
62aa3dd3ababb940a2ad55a59cd242b8d837bc31
SH256 hash:
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
MD5 hash:
e4211d6d009757c078a9fac7ff4f03d4
SHA1 hash:
019cd56ba687d39d12d4b13991c9a42ea6ba03da
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:Borland
Author:malware-lu
Rule name:bumblebee_win_generic
Author:_kphi
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Web download

OffLoader

Executable exe 1f0f46dc270ea7e929b2ae662a8480f5766df7e17ff76816bba7a07865b2806d

(this sample)

  
Dropped by
StealC
  
Delivery method
Distributed via web download

Comments