MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1a0f35f0ac483a6c5649f6fa338952c2d2c457d2cb1b2fcef16bdc96fdfdb8b. 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 14 File information Comments

SHA256 hash: a1a0f35f0ac483a6c5649f6fa338952c2d2c457d2cb1b2fcef16bdc96fdfdb8b
SHA3-384 hash: 1836370afba3b15b00d7c2a394804bb99bc8abfe0cde60b0477cabfdd3fdc2f2d6f5ec375644a1618e357261dcf3210e
SHA1 hash: d6065a1937cf79b61c714f15c0ab021e920a7476
MD5 hash: c893a0e03b6acc69d6f52dfc6ef32bd8
humanhash: fish-kitten-vegan-july
File name:r6mrA.exe
Download: download sample
Signature ValleyRAT
File size:483'840 bytes
First seen:2026-04-01 01:09:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7a15cf80d129fadedf5f35c9333315ba (1 x ValleyRAT)
ssdeep 6144:enEWmy0PptSlh+GVfoAKo2kpAprA/DA18hY1:enplh+GfoAKo2MT
TLSH T14BA4071FC74934ECE239F07C9E172661B925BE184B2857E3B09199250E72AED7F78708
TrID 56.8% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
22.4% (.EXE) Win64 Executable (generic) (6522/11/2)
6.9% (.EXE) OS/2 Executable (generic) (2029/13)
6.8% (.EXE) Generic Win/DOS Executable (2002/3)
6.8% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon c9d1d8cd96a0aec6 (2 x njrat, 2 x Gh0stRAT, 2 x PhantomStealer)
Reporter Ling
Tags:exe Gh0stRAT SilverFox Trojan:Win32/Malgent!MSR ValleyRAT


Avatar
CNGaoLing
This sample has been reviewed by Microsoft researchers and determined to be malware. (Trojan:Win32/Malgent!MSR)

SilverFox & Gh0stRAT
IOC (Domain soemyidcbiue.cn) (IP 16.162.155.139)

Intelligence


File Origin
# of uploads :
1
# of downloads :
147
Origin country :
JP JP
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
r6mrA.exe
Verdict:
Malicious activity
Analysis date:
2026-03-31 11:23:27 UTC
Tags:
valleyrat rat remote silverfox winos

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

Behaviour
DNS request
Connection attempt
Running batch commands
Creating a process with a hidden window
Launching many processes
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
alpc anti-debug evasive exploit microsoft_visual_cc uacme unsafe
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-03-31T08:25:00Z UTC
Last seen:
2026-03-31T08:49:00Z UTC
Hits:
~10
Detections:
Backdoor.Androm.HTTP.C&C Trojan-Dropper.Win32.Injector.sb Trojan.Win32.PoolInject.sba Trojan.Win32.PoolInject.crj Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic
Gathering data
Threat name:
Win64.Trojan.Malgent
Status:
Malicious
First seen:
2026-03-31 20:42:07 UTC
File Type:
PE+ (Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
a1a0f35f0ac483a6c5649f6fa338952c2d2c457d2cb1b2fcef16bdc96fdfdb8b
MD5 hash:
c893a0e03b6acc69d6f52dfc6ef32bd8
SHA1 hash:
d6065a1937cf79b61c714f15c0ab021e920a7476
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
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:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:VECT_Ransomware
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.

File information


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

Web download

ValleyRAT

Executable exe a1a0f35f0ac483a6c5649f6fa338952c2d2c457d2cb1b2fcef16bdc96fdfdb8b

(this sample)

  
Delivery method
Distributed via web download

Comments