MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08f2c963906b126c0a10b47aa28eccebf8e209f3885c54489f771e948dc89b1a. 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

ValleyRAT

Vendor detections: 20

Intelligence 20 IOCs 1 YARA 23 File information Comments

SHA256 hash:	08f2c963906b126c0a10b47aa28eccebf8e209f3885c54489f771e948dc89b1a
SHA3-384 hash:	6f7686f663fa9ff695c83f52f2ab073ddd4ad6591635b4ca1a148545179c7c4d8d2afbfe1c21a37a40eeae89f363243a
SHA1 hash:	053f9c64a94448d467f0ca20e0ee5346c2f7a308
MD5 hash:	2df08b445585f5db43736868b4bc8428
humanhash:	stream-three-cola-oranges
File name:	2df08b445585f5db43736868b4bc8428.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	1'309'696 bytes
First seen:	2026-09-14 02:15:12 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1fdaeb54e1a420b9565bb2d23869778b (2 x ValleyRAT)
ssdeep	12288:/QKreuMBX0bLaL0DudXezE09Si/ckGHt6pshsPSGkYl2XIQCb+Lk1TWbPXQnAN5L:/hQULZgXe4i7ojhsP5Lgrk1TWb4AN5
TLSH	T1E655123136D0C0B3D147227884F1CBB29EAABCB2076549DB67D02B7B1F745D29B7825A
TrID	50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.5% (.EXE) Win64 Executable (generic) (6522/11/2) 8.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	abuse_ch
Tags:	exe RAT ValleyRAT

abuse_ch

ValleyRAT C2:
43.229.114.114:6669

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
43.229.114.114:6669	https://threatfox.abuse.ch/ioc/1917063/

Intelligence

File Origin

# of uploads :

# of downloads :

213

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

ValleyFall

Details

Link:

https://research.acce.ciphertechsolutions.com/results/5cd8034b-b9c8-458f-b588-caefbd208a89/

Malware family:

n/a

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-09-14 02:24:56 UTC

Tags:

m0yv phishing backdoor silverfox valleyrat rat winos sinkhole

Link:

https://app.any.run/tasks/b6070ee0-d691-4f7d-9ae3-dbd10cb5b7ba

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

WinosStager

Link:

https://www.capesandbox.com/analysis/85308/

Detection(s):

SecuriteInfo.com.Win32.Expiro-1.UNOFFICIAL

SecuriteInfo.com.Win32.Expiro-2.UNOFFICIAL

Win.Malware.Fragtor-10028386-0

Win.Trojan.Farfli-10038362-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6acb79a024e6899c145f419f

Tags:

emotet expiro farfli tofsee

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file in the %AppData% directory

Modifying a system executable file

Launching a service

Launching a process

Searching for synchronization primitives

Loading a system driver

Creating a file in the system32 subdirectories

Modifying an executable file

Modifying a system file

Creating a file in the Windows subdirectories

Sending an HTTP GET request to an infection source

Creating a file

Using the Windows Management Instrumentation requests

Enabling autorun for a service

Query of malicious DNS domain

Connection attempt to an infection source

Infecting executable files

Sending an HTTP POST request to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm evasive expand fingerprint lolbin microsoft_visual_cc packed reconnaissance

Link:

https://www.filescan.io/uploads/6aa758e9e8d62db0d2f858e6/reports/b100eebb-2cc9-4afe-95b0-16d080d9ee85/overview

Verdict:

Malicious

Labled as:

Expiro.Generic

Link:

https://www.hybrid-analysis.com/sample/08f2c963906b126c0a10b47aa28eccebf8e209f3885c54489f771e948dc89b1a

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-08-31T11:42:00Z UTC

Last seen:

2026-09-14T02:20:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/08f2c963906b126c0a10b47aa28eccebf8e209f3885c54489f771e948dc89b1a/results?tab=lookup

Malware family:

ValleyRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4d31cff1-a4f3-439b-98e5-90416c43d334

Result

Threat name:

ValleyRAT

Detection:

malicious

Classification:

spre.troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1972454

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to behave differently if execute on a Russian/Kazak computer

Contains functionality to inject code into remote processes

Creates files inside the volume driver (system volume information)

Drops executable to a common third party application directory

Found direct / indirect Syscall (likely to bypass EDR)

Found malware configuration

Infects executable files (exe, dll, sys, html)

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Queries random domain names (often used to prevent blacklisting and sinkholes)

Suricata IDS alerts for network traffic

Tries to download HTTP data from a sinkholed server

Unusual module load detection (module proxying)

Yara detected ValleyRAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/08f2c963906b126c0a10b47aa28eccebf8e209f3885c54489f771e948dc89b1a

Verdict:

ValleyRat

YARA:

5 match(es)

Tags:

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

Link:

https://app.malva.re/file/2df08b445585f5db43736868b4bc8428

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/08f2c963906b126c0a10b47aa28eccebf8e209f3885c54489f771e948dc89b1a/

Threat name:

Win32.Virus.Expiro

Status:

Malicious

First seen:

2026-08-31 12:10:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

33 of 36 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=bdzmsy4qnmjgycqqwr5kfdwm5p4oecptrbofise7o4pjjdoitmna._file

Verdict:

malicious

Label(s):

ValleyRAT

Link:

https://reports.threatray.com/2e964ace-5b04-4013-ab2c-92dad8518e19

Result

Malware family:

valleyrat_s2

Score:

10/10

Tags:

family:valleyrat_s2 backdoor discovery ransomware spyware stealer

Link:

https://tria.ge/reports/260914-cpp1dstcpb/

Behaviour

Checks SCSI registry key(s)

Checks processor information in registry

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: LoadsDriver

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Volume Shadow Copy service COM API

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in Windows directory

Drops file in System32 directory

Enumerates connected drives

Executes dropped EXE

Reads user/profile data of web browsers

Detects ValleyRAT payload

Family: ValleyRat

Malware Config

C2 Extraction:

43.229.114.114:6669

Unpacked files

SH256 hash:

08f2c963906b126c0a10b47aa28eccebf8e209f3885c54489f771e948dc89b1a

MD5 hash:

2df08b445585f5db43736868b4bc8428

SHA1 hash:

053f9c64a94448d467f0ca20e0ee5346c2f7a308

Detections:

triage_expiro_worm

Link:

https://www.unpac.me/results/b7c149c6-236a-41e1-b007-d4ced8671079/

SH256 hash:

1aef3c6bea9f1bcd0ab11439579ff28f67d7ecb729334a1d2bd020d25d4b74f6

MD5 hash:

931cb9a83ab4486c2f30ea7a2d1d79d0

SHA1 hash:

a7956b6975d548db8fb4dec38bf77382bce00470

Link:

https://www.unpac.me/results/b7c149c6-236a-41e1-b007-d4ced8671079/

SH256 hash:

abdd6f31a909b0b10e30ced74a1f6f037adf1f61a8a842048dbc254d6f076169

MD5 hash:

c33a7f0e25bb3f4d3c19fc8441e9d12b

SHA1 hash:

0286b277e97b9f7c217a0d029e8144f8e20b40b9

Link:

https://www.unpac.me/results/b7c149c6-236a-41e1-b007-d4ced8671079/

Malware family:

ValleyRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/08f2c963906b/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Expiro

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/08f2c963906b126c0a10b47aa28eccebf8e209f3885c54489f771e948dc89b1a

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:	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:	GenericGh0st Create hunting rule
Author:	Still

Rule name:	Gh0stKCP Create hunting rule
Author:	Netresec
Description:	Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:	https://netresec.com/?b=259a5af

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	Indicator_MiniDumpWriteDump Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references

Rule name:	malware_shellcode_hash Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect shellcode api hash value

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

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

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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/

Rule name:	ValleyRAT Create hunting rule
Author:	NDA0E
Description:	Detects ValleyRAT

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Windows_Generic_Threat_4b0b73ce Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Generic_Threat_ebf62328 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Winos_464b8a2e Create hunting rule
Author:	Elastic Security

Rule name:	WinosStager Create hunting rule
Author:	YungBinary
Description:	https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

Rule name:	win_m0yv_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.m0yv.

Rule name:	win_winos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.winos.

File information

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

Cape

https://www.capesandbox.com/analysis/85308/

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