MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 923acc99cab6bd36338b8229f4804c04a7681cf66d8a35d76dec6df2189c19b9. 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

Tofsee

Vendor detections: 8

Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash:	923acc99cab6bd36338b8229f4804c04a7681cf66d8a35d76dec6df2189c19b9
SHA3-384 hash:	9fc20e0bd182c35c4877e34a1c3400ea715d5d2e3af77bae817565a7316742525e36b6141476ded9d6e01eac8130d713
SHA1 hash:	d1fa796688bdbb7a0ecd02021a072404cb0f4a09
MD5 hash:	7174ab027522d37776501b1597d20287
humanhash:	artist-dakota-cardinal-edward
File name:	923acc99cab6bd36338b8229f4804c04a7681cf66d8a35d76dec6df2189c19b9
Download:	download sample
Signature	Tofsee Create hunting rule
File size:	12'131'011 bytes
First seen:	2026-09-04 20:26:55 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	88016fcdef7f227c62171d0afad9aae4 (24 x ValleyRAT, 20 x OffLoader, 14 x Tofsee)
ssdeep	49152:4AX7NpwcYQqTexwuyWP4l2jCSoW1nAQRI6i8HjiTucWlP3iWU7lwABFyvn/8l1bj:4AX74sKlaNp4BdBFyvn/8Dbj
TLSH	T132C6F137B28A653EE06E4B355A76A110543B6E606D128D1ADEF0789CCF3E1B03D3F646
TrID	61.4% (.EXE) Inno Setup installer (107240/4/30) 23.8% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 3.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.7% (.EXE) Win64 Executable (generic) (6522/11/2) 2.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
dhash icon	e1c2d2e3a392b233 (1 x Tofsee)
Reporter	adrian__luca
Tags:	exe Tofsee

Intelligence

File Origin

# of uploads :

# of downloads :

120

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/b92fb0ca-3d10-493b-aa8a-f7b618f8d0bd/

Malware family:

tofsee

ID:

File name:

923acc99cab6bd36338b8229f4804c04a7681cf66d8a35d76dec6df2189c19b9

Verdict:

Malicious activity

Analysis date:

2026-09-03 10:45:54 UTC

Tags:

delphi inno installer sainbox rat tofsee loader botnet

Link:

https://app.any.run/tasks/1760faf4-4ce2-4cf9-bd6b-460017c0a640

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/84033/

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

Using the Windows Management Instrumentation requests

Launching a service

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context embarcadero_delphi expand fingerprint inno installer installer installer-heuristic lolbin packed reconnaissance

Link:

https://www.filescan.io/uploads/6a9b29a9a99ba49ea8e5d869/reports/15e13313-f29a-45c3-9356-f0f7fadac5de/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/923acc99cab6bd36338b8229f4804c04a7681cf66d8a35d76dec6df2189c19b9

Verdict:

Unknown

File Type:

exe x32

Link:

https://opentip.kaspersky.com/923acc99cab6bd36338b8229f4804c04a7681cf66d8a35d76dec6df2189c19b9/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/04b9fc29-5b3f-4b8d-90d0-ad26771af6d8

Score:

72%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/923acc99cab6bd36338b8229f4804c04a7681cf66d8a35d76dec6df2189c19b9

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 32 Exe x86

Link:

https://app.malva.re/file/7174ab027522d37776501b1597d20287

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/923acc99cab6bd36338b8229f4804c04a7681cf66d8a35d76dec6df2189c19b9/

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=si5mzgokw26tmm4lqiu7jacmastwqhhwnwfdlv3n5rw7ege4dg4q._file

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery installer

Link:

https://tria.ge/reports/260904-y8pdvszdra/

Behaviour

Suspicious use of WriteProcessMemory

Inno Setup is an open-source installation builder for Windows applications.

System Location Discovery: System Language Discovery

Executes dropped EXE

Loads dropped DLL

Unpacked files

SH256 hash:

923acc99cab6bd36338b8229f4804c04a7681cf66d8a35d76dec6df2189c19b9

MD5 hash:

7174ab027522d37776501b1597d20287

SHA1 hash:

d1fa796688bdbb7a0ecd02021a072404cb0f4a09

Link:

https://www.unpac.me/results/e88e482a-359f-4094-a340-aef2aa5a3782/

SH256 hash:

7bcdf7da50cfa40e4235856c8921d0750e71fca1a196d70f5c515de0bdf5b8f7

MD5 hash:

aaae64f9251643946778a060487a5e83

SHA1 hash:

0281ee249fbba9c28259bc9bc8147bdea8738524

Link:

https://www.unpac.me/results/e88e482a-359f-4094-a340-aef2aa5a3782/

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 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:	pe_detect_tls_callbacks Create hunting rule

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/