MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37fe2d07d360b2e7d66f1dcbc8aed5794528c0614c943c77214df166cb503a5d. 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: 17


Intelligence 17 IOCs 1 YARA 13 File information Comments

SHA256 hash: 37fe2d07d360b2e7d66f1dcbc8aed5794528c0614c943c77214df166cb503a5d
SHA3-384 hash: 0fa0cf056dbb6f3e078208461714bd3ac256658ba00579df3ef53fe1dbefba85ccfa1669ea5f2140a8283107117d3610
SHA1 hash: af08ba9defcd1a9eec15511cbe290867371258a1
MD5 hash: dcb41ddef5232d8a87ccdf713aca8392
humanhash: angel-orange-hotel-april
File name:37fe2d07d360b2e7d66f1dcbc8aed5794528c0614c943.exe
Download: download sample
Signature ValleyRAT
File size:133'632 bytes
First seen:2025-08-16 07:55:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fb51ede541a9ad63bf23d302e319d2a0 (53 x ValleyRAT, 1 x Gh0stRAT)
ssdeep 3072:IO55k/y59Aj+BMTYlgEQnB+Y+pek7+3OrFZeUqe6o/:IO5n5956TYZQnB+Dpekyyqm
TLSH T162D37D4733A450F9D4A78279C9A24A06E77374660735A3CF17A086B62F137D1BD3A331
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:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
154.91.180.194:8080

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
154.91.180.194:8080 https://threatfox.abuse.ch/ioc/1569779/

Intelligence


File Origin
# of uploads :
1
# of downloads :
71
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
37fe2d07d360b2e7d66f1dcbc8aed5794528c0614c943c77214df166cb503a5d.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-08-16 07:39:40 UTC
Tags:
valleyrat winos rat silverfox

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
emotet spawn virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Сreating synchronization primitives
Creating a window
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found stalling execution ending in API Sleep call
Hijacks the control flow in another process
Joe Sandbox ML detected suspicious sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT)
Writes to foreign memory regions
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Backdoor.GhostRAT
Status:
Malicious
First seen:
2025-08-16 07:39:41 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
valleyrat
Similar samples:
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Suspicious use of SetThreadContext
Enumerates connected drives
Malware Config
C2 Extraction:
154.91.180.194:8080
154.91.180.194:90
127.0.0.1:80
Verdict:
Malicious
Tags:
Win.Malware.Spywarex-10022879-0
YARA:
n/a
Unpacked files
SH256 hash:
37fe2d07d360b2e7d66f1dcbc8aed5794528c0614c943c77214df166cb503a5d
MD5 hash:
dcb41ddef5232d8a87ccdf713aca8392
SHA1 hash:
af08ba9defcd1a9eec15511cbe290867371258a1
Malware family:
ValleyRAT
Verdict:
Malicious
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Indicator_MiniDumpWriteDump
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
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ValleyRAT
Author:NDA0E
Description:Detects ValleyRAT
Rule name:Windows_Generic_Threat_3055c14a
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Author:Elastic Security

File information


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

Web download

ValleyRAT

Executable exe 37fe2d07d360b2e7d66f1dcbc8aed5794528c0614c943c77214df166cb503a5d

(this sample)

  
Delivery method
Distributed via web download

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetSystemDirectoryA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::WSACloseEvent
WS2_32.dll::WSACreateEvent
WS2_32.dll::WSAEnumNetworkEvents
WS2_32.dll::WSAEventSelect
WS2_32.dll::WSAIoctl
WS2_32.dll::WSAResetEvent
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW

Comments