MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9a3f4e994824522d598acf36d3d28dc3abc5387f00689d5173f5a98859cb7d5. 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: 13


Intelligence 13 IOCs 1 YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d9a3f4e994824522d598acf36d3d28dc3abc5387f00689d5173f5a98859cb7d5
SHA3-384 hash: 10d1e2aa1ab9522ad8ded19d6b51fd4bd14a7579614bbcaa59d1a988b8d4aabc5c01dd56e6bfd5f6faa25c26bb12e343
SHA1 hash: 7f70f7bf5830da5fd521d59a74a3faea32bb68cd
MD5 hash: 8fd9021f20e01c4e8d3c9dd8f36bfb2f
humanhash: black-queen-wisconsin-monkey
File name:8fd9021f20e01c4e8d3c9dd8f36bfb2f.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:42'252'801 bytes
First seen:2025-07-14 05:05:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 77ca27ef112245e33f47517f2d8b259c (1 x ValleyRAT)
ssdeep 393216:gjsPOTH23IUWROzpkvByvdPijFJQX833vJSLiAUvIKYVE1C3dJS7xUYhqh3SRdv9:NPxVpkvBygQs30aq2mQ
Threatray 3 similar samples on MalwareBazaar
TLSH T13997AE86B1A551E9E13BC078866BD707F6B1385507345BFB02A186792F23BD06F3BB21
TrID 28.6% (.EXE) DOS Executable Borland Pascal 7.0x (2035/25)
28.2% (.EXE) Generic Win/DOS Executable (2002/3)
28.2% (.EXE) DOS Executable Generic (2000/1)
14.1% (.SCORE) Music Craft Score (1007/6)
0.4% (.VXD) VXD Driver (29/21)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
18.163.92.42:6666

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
18.163.92.42:6666 https://threatfox.abuse.ch/ioc/1556576/

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8fd9021f20e01c4e8d3c9dd8f36bfb2f.exe
Verdict:
Malicious activity
Analysis date:
2025-07-14 05:06:44 UTC
Tags:
payload auto-reg valleyrat winos rat silverfox
Link:
https://app.any.run/tasks/50172d1f-4dc2-457e-9a37-a764d06aa754

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68749022900df8e7f86a7f46
Tags:
emotet virus spawn blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Connection attempt
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/d9a3f4e994824522d598acf36d3d28dc3abc5387f00689d5173f5a98859cb7d5
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1735630
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Contains functionality to modify Windows User Account Control (UAC) settings
Delayed program exit found
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Self deletion via cmd or bat file
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1735630 Sample: x1za2I4iSU.exe Startdate: 14/07/2025 Architecture: WINDOWS Score: 100 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 7 other signatures 2->58 7 x1za2I4iSU.exe 2 2->7         started        11 szcef.exe 1 2->11         started        13 szcef.exe 1 2->13         started        process3 file4 40 C:\Users\Public\Downloads\yh.dat, zlib 7->40 dropped 60 Self deletion via cmd or bat file 7->60 62 Writes to foreign memory regions 7->62 64 Allocates memory in foreign processes 7->64 66 2 other signatures 7->66 15 ctfmon.exe 3 2 7->15 injected 20 cmd.exe 1 7->20         started        22 dwm.exe 7->22 injected 24 WerFault.exe 21 11->24         started        26 conhost.exe 11->26         started        28 WerFault.exe 1 21 13->28         started        30 conhost.exe 13->30         started        signatures5 process6 dnsIp7 42 18.163.92.42, 49719, 49720, 49721 AMAZON-02US United States 15->42 36 C:\Users\Public\Downloads\szcef.exe, PE32+ 15->36 dropped 38 C:\Users\Public\Downloads\libcef.dll, PE32+ 15->38 dropped 44 Found evasive API chain (may stop execution after checking mutex) 15->44 46 Found stalling execution ending in API Sleep call 15->46 48 Contains functionality to inject threads in other processes 15->48 50 5 other signatures 15->50 32 conhost.exe 20->32         started        34 timeout.exe 1 20->34         started        file8 signatures9 process10
Score:
63%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/d9a3f4e994824522d598acf36d3d28dc3abc5387f00689d5173f5a98859cb7d5
Gathering data
Verdict:
Malicious
Threat:
Win64.Trojan.Egairtigado
Link:
https://tip.neiki.dev/file/d9a3f4e994824522d598acf36d3d28dc3abc5387f00689d5173f5a98859cb7d5
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-07-08 05:50:00 UTC
File Type:
PE+ (Exe)
Extracted files:
29
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3gr7j2muqjcsfvmyvtzw2pji3q5lyu4h6aditvixh5njrbm4w7kq._file
Verdict:
malicious
Label(s):
valleyrat
Create hunting rule
Similar samples:
39b97a3ac9073eb765234a5b2deafc8730152bab74a1e5245c57fcd3e600f01c
ValleyRAT
d9a3f4e994824522d598acf36d3d28dc3abc5387f00689d5173f5a98859cb7d5
ValleyRAT
error
ValleyRAT
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion
Link:
https://tria.ge/reports/250714-fq3jnaxry4/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Verdict:
Malicious
Tags:
loader mofongoloader
YARA:
mofongo_loader
Link:
https://app.threat.zone/submission/1f029ed6-4ef4-4392-a615-33ee3286160e
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/d9a3f4e994824522d598acf36d3d28dc3abc5387f00689d5173f5a98859cb7d5

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:mofongo_loader
Create hunting rule
Author:vrzh
Description:Mofongo loader maps and executes a payload in a hollowed msedge process
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:skip20_sqllang_hook
Create hunting rule
Author:Mathieu Tartare <mathieu.tartare@eset.com>
Description:YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:https://www.welivesecurity.com/
Rule name:SUSP_XORed_MSDOS_Stub_Message
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed MSDOS stub message
Reference:https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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)
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Comments