MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41c8bc8ed857bb7cce77f3155bf6f558da54d6797b25eacac570d00da23bcbf5. 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 17 File information Comments

SHA256 hash: 41c8bc8ed857bb7cce77f3155bf6f558da54d6797b25eacac570d00da23bcbf5
SHA3-384 hash: e7f00291a60ac73803cdc256473550739c9618d3001c58366b6566920630fd8b1f4ea8200e08e17756c4edf6da91ed40
SHA1 hash: 9577451b77b0a6454950191e6a85806aea6dfb3c
MD5 hash: d6c47092bd741ffbd422fe0ab9618bdc
humanhash: whiskey-hotel-hotel-south
File name:d6c47092bd741ffbd422fe0ab9618bdc.exe
Download: download sample
Signature ValleyRAT
File size:111'104 bytes
First seen:2025-08-18 14:10:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b8bf08fa843a9ec1ce10d80fbf550c26 (89 x ValleyRAT, 1 x Gh0stRAT)
ssdeep 3072:ybWjdIPbcia0NFtwwnILn3py6D268XEPKf2:ybWjMbcCtwwnchx1y
TLSH T1F5B36B2172A0C072C092253199F9EBB24E7EF93117B845CBB7E416BA5F603C16A7539B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
45.204.213.211:8

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
45.204.213.211:8 https://threatfox.abuse.ch/ioc/1570731/

Intelligence


File Origin
# of uploads :
1
# of downloads :
71
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d6c47092bd741ffbd422fe0ab9618bdc.exe
Verdict:
Malicious activity
Analysis date:
2025-08-18 14:11:30 UTC
Tags:
silverfox backdoor valley winos rat valleyrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
emotet farfli
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
Creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypt farfli microsoft_visual_cc obfuscated xpack zusy
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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 malware configuration
Found stalling execution ending in API Sleep call
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Suricata IDS alerts for network traffic
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 32 Exe x86
Threat name:
Win32.Trojan.FraudLoad
Status:
Malicious
First seen:
2025-08-13 16:26:37 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Enumerates connected drives
Malware Config
C2 Extraction:
45.204.213.211:8
127.0.0.1:8888
127.0.0.1:80
Verdict:
Malicious
Tags:
Win.Malware.Fragtor-10028386-0
YARA:
n/a
Unpacked files
SH256 hash:
41c8bc8ed857bb7cce77f3155bf6f558da54d6797b25eacac570d00da23bcbf5
MD5 hash:
d6c47092bd741ffbd422fe0ab9618bdc
SHA1 hash:
9577451b77b0a6454950191e6a85806aea6dfb3c
Detections:
win_valley_rat_auto
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:DebuggerCheck__API
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:meth_peb_parsing
Author:Willi Ballenthin
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_4b0b73ce
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Author:Elastic Security
Rule name:win_valley_rat_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.valley_rat.

File information


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

Comments