MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f8553d64af8e471b7d0e18425e85e85d39565b4e7de8f80c807715551c8cb3. 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: 16

Intelligence 16 IOCs 1 YARA 5 File information Comments

SHA256 hash:	83f8553d64af8e471b7d0e18425e85e85d39565b4e7de8f80c807715551c8cb3
SHA3-384 hash:	3adb2ed4ba60dee1814e328f8b7b5da0b5fd4f8c9fe2ec72afb2d7677b42a84f62e8620b32444cc04f3709c040a499b1
SHA1 hash:	6a41c422390ce7e19cc849e5868786c504c9b904
MD5 hash:	67cef14f7bdc28e19d1ff8b2bab93a50
humanhash:	bakerloo-alabama-florida-neptune
File name:	67cef14f7bdc28e19d1ff8b2bab93a50.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	7'003'136 bytes
First seen:	2025-03-12 03:45:20 UTC
Last seen:	2025-03-12 04:24:06 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	a6839b377041a85fa834a165cc5af286 (3 x ValleyRAT)
ssdeep	98304:w3T5jsSJFNAUh4M1BZ+LcWDzimMqr59oqT+GipX86pamDh3w5UZ5R+B7y:wD5j/94MULpDziZqr/o0i/PEUZnC
TLSH	T14D66CF4736A8A1D9D067D179C9428F4BE7F274B24B3187DF00A486AE1F772A18D3D722
TrID	44.4% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	abuse_ch
Tags:	45-192-208-132 exe ValleyRAT

abuse_ch

ValleyRAT C2:
45.192.208.132:7777

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
45.192.208.132:7777	https://threatfox.abuse.ch/ioc/1446564/

Intelligence

File Origin

# of uploads :

# of downloads :

807

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

83f8553d64af8e471b7d0e18425e85e85d39565b4e7de8f80c807715551c8cb3

Verdict:

Malicious activity

Analysis date:

2025-03-08 14:30:50 UTC

Tags:

payload silverfox backdoor loader

Link:

https://app.any.run/tasks/d96f2c30-be19-4a40-ae9b-7d678c4e88fe

Note:

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

Verdict:

Malicious

Score:

98.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67cc549a1a4ca224d3ee2a82

Tags:

cobaltstrike emotet cobalt

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file

DNS request

Connection attempt

Sending a custom TCP request

Сreating synchronization primitives

Creating a window

Searching for synchronization primitives

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context cobaltstrike explorer fingerprint keylogger lolbin microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/67d1037de95d0f9029e7cd66/reports/1877f450-c156-42ff-ba77-6e214f5df18f/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/83f8553d64af8e471b7d0e18425e85e85d39565b4e7de8f80c807715551c8cb3

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

PC Hunter

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/f176c0a4-495c-4701-9c43-d4368be116a6

Result

Threat name:

UACMe

Detection:

malicious

Classification:

expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1635893

Signature

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Contains functionality to inject threads in other processes

Creates a thread in another existing process (thread injection)

Found direct / indirect Syscall (likely to bypass EDR)

Injects code into the Windows Explorer (explorer.exe)

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample is not signed and drops a device driver

Sigma detected: Potentially Suspicious Malware Callback Communication

Suricata IDS alerts for network traffic

System process connects to network (likely due to code injection or exploit)

Writes to foreign memory regions

Yara detected UAC Bypass using CMSTP

Yara detected UACMe UAC Bypass tool

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/83f8553d64af8e471b7d0e18425e85e85d39565b4e7de8f80c807715551c8cb3

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/83f8553d64af8e471b7d0e18425e85e85d39565b4e7de8f80c807715551c8cb3/

Threat name:

Win64.Trojan.CobaltStrike

Status:

Malicious

First seen:

2025-03-08 13:39:28 UTC

File Type:

PE+ (Exe)

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qp4fkplev6heog35bymeexuf5botsvs3jz66r6amqb3rkvi4rszq._file

Verdict:

malicious

Label(s):

donut_injector

valleyrat

Similar samples:

error

ValleyRAT

Result

Malware family:

valleyrat_s2

Score:

10/10

Tags:

family:valleyrat_s2 backdoor

Link:

https://tria.ge/reports/250312-ebnxaawrt4/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

Enumerates connected drives

ValleyRat

Valleyrat_s2 family

Malware Config

C2 Extraction:

8007.helloqu.com:7777
8007.helloqu.com:80

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/23f9486e-b067-4f32-aeb7-cc855ef6c270

Unpacked files

SH256 hash:

83f8553d64af8e471b7d0e18425e85e85d39565b4e7de8f80c807715551c8cb3

MD5 hash:

67cef14f7bdc28e19d1ff8b2bab93a50

SHA1 hash:

6a41c422390ce7e19cc849e5868786c504c9b904

Link:

https://www.unpac.me/results/817f7b6c-470d-4b59-9842-5fc930c5acf4/

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/83f8553d64af8e471b7d0e18425e85e85d39565b4e7de8f80c807715551c8cb3

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

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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)

File information

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

No further information available

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 (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoFreeUnusedLibraries ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_API	Interfaces with Graphics	gdiplus.dll::GdiplusStartup gdiplus.dll::GdiplusShutdown gdiplus.dll::GdipDeleteGraphics gdiplus.dll::GdipAlloc gdiplus.dll::GdipCreateFromHDC
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::PlaySoundW GDI32.dll::StretchDIBits
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::GetFileSecurityW ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::SetFileSecurityW
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteW SHELL32.dll::ShellExecuteExW SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetVolumeInformationW KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetDiskFreeSpaceW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateFileW ole32.dll::CreateFileMoniker KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW SHLWAPI.dll::PathRemoveFileSpecW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW ADVAPI32.dll::RegSetValueW
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuW USER32.dll::CreateMenu ole32.dll::OleCreateMenuDescriptor USER32.dll::EmptyClipboard USER32.dll::OpenClipboard USER32.dll::PeekMessageW

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