MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 daa3ae9f7d210ac7f61ec03bdc3955c098f8902ed353577752b747de107933ee. 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: 19


Intelligence 19 IOCs 1 YARA 15 File information Comments

SHA256 hash: daa3ae9f7d210ac7f61ec03bdc3955c098f8902ed353577752b747de107933ee
SHA3-384 hash: 8ca2a2abd240ba3a350b21a332edcdefec8e8cd86be7a3160b2858d09141cb32cd58dec80d39eb3a3db932003e2429a8
SHA1 hash: f1cbe9f157592743f8218e1ed7253b83071e35e2
MD5 hash: 597553bcc7ff61e2a0b27acdfd3bcdb4
humanhash: tango-india-low-six
File name:597553BCC7FF61E2A0B27ACDFD3BCDB4.exe
Download: download sample
Signature ValleyRAT
File size:299'520 bytes
First seen:2025-08-27 14:40:14 UTC
Last seen:2025-08-28 11:35:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b8bf08fa843a9ec1ce10d80fbf550c26 (87 x ValleyRAT, 1 x Gh0stRAT)
ssdeep 6144:WFih5v1mwrr0Xt1yzVQzB6fx2CxwXL/U8VFD:YamYr0XtKVQzUYU8VFD
TLSH T18F54BE22F594C0B0D416147458BADAB1173EBC32477C49DBB7E4363A2F712E26A32B5B
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:
43.198.22.232:51001

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
43.198.22.232:51001 https://threatfox.abuse.ch/ioc/1575496/

Intelligence


File Origin
# of uploads :
2
# of downloads :
82
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
597553BCC7FF61E2A0B27ACDFD3BCDB4.exe
Verdict:
Malicious activity
Analysis date:
2025-08-27 14:44:00 UTC
Tags:
backdoor silverfox valley winos rat valleyrat crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
shellcode emotet virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-vm farfli fatalrat microsoft_visual_cc mikey
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-25T02:30:00Z UTC
Last seen:
2025-08-25T02:30:00Z UTC
Hits:
~10
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found malware configuration
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.FatalRAT
Status:
Malicious
First seen:
2025-08-24 18:26:17 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
29 of 38 (76.32%)
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 use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Enumerates connected drives
Malware Config
C2 Extraction:
43.198.22.232:51001
127.0.0.1:80
Verdict:
Malicious
Tags:
Win.Malware.Fragtor-10028386-0
YARA:
n/a
Unpacked files
SH256 hash:
daa3ae9f7d210ac7f61ec03bdc3955c098f8902ed353577752b747de107933ee
MD5 hash:
597553bcc7ff61e2a0b27acdfd3bcdb4
SHA1 hash:
f1cbe9f157592743f8218e1ed7253b83071e35e2
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: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: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