MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68b8d3aa691631e453777a04cd8e2673e4a29e616b41cc8d49afd643ae71e6db. 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: 12

Intelligence 12 IOCs YARA 10 File information Comments

SHA256 hash:	68b8d3aa691631e453777a04cd8e2673e4a29e616b41cc8d49afd643ae71e6db
SHA3-384 hash:	ff3311b8d817f089bf0a0f250734c4832192c3b6364b1a6b504cdfa222e8a899231e3c5b4862305563236049538bbe56
SHA1 hash:	da0d5738fac68915363d48918a68000ed1e351ad
MD5 hash:	efded4c5394c8123057a07f29a1707b5
humanhash:	alaska-four-spring-monkey
File name:	fs_setup.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	21'574'736 bytes
First seen:	2025-06-24 21:40:33 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	bbadd88e560afea1d0dd8f728c4701ca (2 x ValleyRAT, 1 x Gh0stRAT, 1 x PythonStealer)
ssdeep	393216:gKere2/p3QM8WRRAdy+H+rIlky0G9hGQDhu5OoqmxzXj1mUff2H3s9Q2LMk:1B2/Z8kRcH+rIlkBG7DDw5xqUzzkwq3m
Threatray	774 similar samples on MalwareBazaar
TLSH	T1282733FA7017C6DFE7463E7ADEE90C35E4B78D69E2264BA62AC21201CF393007055E95
TrID	64.7% (.EXE) UPX compressed Win64 Executable (70117/5/12) 25.0% (.EXE) UPX compressed Win32 Executable (27066/9/6) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.8% (.EXE) OS/2 Executable (generic) (2029/13) 1.8% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	c6c2ccc4f4e0e0f8 (37 x PythonStealer, 21 x CrealStealer, 19 x Empyrean)
Reporter	GDHJDSYDH1
Tags:	exe pyinstaller Python SilverFox UPX ValleyRAT

GDHJDSYDH1

C2: 61.129.3.203:443
Domain: zsyy.shhk.gov.cn
More Reference: https://tria.ge/250624-1d7m3ahj6t/behavioral1

Intelligence

File Origin

# of uploads :

# of downloads :

467

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

fs_setup.exe

Verdict:

Malicious activity

Analysis date:

2025-06-24 21:33:09 UTC

Tags:

python upx pyinstaller advancedinstaller

Link:

https://app.any.run/tasks/e067c3b6-060d-47ad-a707-bfca52d1d1c7

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/10968/

Verdict:

Suspicious

Score:

50%

Link:

https://cyber-fortress.com/docs/result/index.php?id=685b1b65b06783b9ebd71940

Tags:

extens spawn remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %temp% subdirectories

Restart of the analyzed sample

Creating a file

Launching a process

Creating a window

Сreating synchronization primitives

Modifying a system file

Creating a file in the Windows subdirectories

Creating a file in the %AppData% subdirectories

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Possible injection to a system process

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

microsoft_visual_cc overlay overlay packed packed packed packer_detected upx

Link:

https://www.filescan.io/uploads/685b1b663faf8fcd7d40024f/reports/4b5e0f0d-84a0-4737-afd1-936ffc291c5e/overview

Verdict:

Malicious

Labled as:

Malware_46.7

Link:

https://www.hybrid-analysis.com/sample/68b8d3aa691631e453777a04cd8e2673e4a29e616b41cc8d49afd643ae71e6db

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/68b8d3aa691631e453777a04cd8e2673e4a29e616b41cc8d49afd643ae71e6db

Gathering data

Threat name:

Win64.Malware.Heuristic

Status:

Malicious

First seen:

2025-06-24 21:33:10 UTC

File Type:

PE+ (Exe)

Extracted files:

549

AV detection:

20 of 38 (52.63%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=nc4nhktjcyy6iu3xpicm3drgopskfhtbnna4zdkjv7lehltr43nq._file

Verdict:

malicious

Label(s):

valleyrat

donut_injector

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery upx

Link:

https://tria.ge/reports/250624-1jm6lsyrw2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Drops file in Windows directory

UPX packed file

Blocklisted process makes network request

Enumerates connected drives

Loads dropped DLL

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/b030c5bf-9179-4b09-b3d5-e99e410389ae

Malware family:

ValleyRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/68b8d3aa6916/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/68b8d3aa691631e453777a04cd8e2673e4a29e616b41cc8d49afd643ae71e6db

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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

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

Rule name:	Detect_PyInstaller Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects PyInstaller compiled executables across platforms

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

Rule name:	PyInstaller Create hunting rule
Author:	@bartblaze
Description:	Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

File information

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

Web download

ValleyRAT

exe 68b8d3aa691631e453777a04cd8e2673e4a29e616b41cc8d49afd643ae71e6db

(this sample)

any.run

https://app.any.run/tasks/e067c3b6-060d-47ad-a707-bfca52d1d1c7

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/10968/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::OpenProcessToken
WIN_BASE_API	Uses Win Base API	KERNEL32.DLL::LoadLibraryA

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