MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4ab88b96d4a5776829081286553b410b593a8292c6612627a9afdf43892bfb6. 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 1 YARA 21 File information Comments

SHA256 hash: d4ab88b96d4a5776829081286553b410b593a8292c6612627a9afdf43892bfb6
SHA3-384 hash: 674ec1ee7a794640647efff9ab6fca8ec680bab8f85e6e59a492bf2bdda922cdc20c277486c9cbc3b52b398fc7bf26d2
SHA1 hash: 0115710a430d43ad0cac7b5244e5a8f9b772b70e
MD5 hash: a548b04c8af3a338149c88d38eb99f28
humanhash: fix-cold-nitrogen-florida
File name:image_2025-12-30_12-46-54.png.msi
Download: download sample
Signature ValleyRAT
File size:2'925'568 bytes
First seen:2025-12-30 23:15:49 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:MjKP+TEanLBm/usqOVX7GpJADREFClUDxuj45G17Gu6XafmwHRmRK3qawwIiIH9:SyXilFC2YdT0pwIBd
Threatray 20 similar samples on MalwareBazaar
TLSH T131D5CE217387C436D16D01B3E92EEE1A603DAD770B3041E7B7E8795E29704C1A27EB92
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter smica83
Tags:msi ValleyRAT WinosStager

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
134.122.130.150:1688 https://threatfox.abuse.ch/ioc/1688976/

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Score:
97.4%
Tags:
phishing emotet cobalt autoit
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 cmd expired-cert fingerprint installer keylogger lolbin masquerade msiexec short-lived-cert wix
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
msi
Detections:
Backdoor.Win32.Xkcp.a Trojan-Spy.Win32.Stealer.sb Trojan.Win64.Kryplod.sb Trojan.Win32.Inject.sb Trojan.Win32.BypassUAC.sb Trojan.Win32.Agent.sb Trojan.MSIL.BypassUAC.sb HEUR:Trojan.Win32.Agent.gen
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Drops executables to the windows directory (C:\Windows) and starts them
Early bird code injection technique detected
Found malware configuration
Found stalling execution ending in API Sleep call
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Queues an APC in another process (thread injection)
Sample or dropped binary is a compiled AutoHotkey binary
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Execution from Suspicious Folder
Sigma detected: Rundll32 Execution Without CommandLine Parameters
Sigma detected: Suspicious WmiPrvSE Child Process
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected UAC Bypass using CMSTP
Yara detected ValleyRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842403 Sample: image_2025-12-30_12-46-54.png.msi Startdate: 31/12/2025 Architecture: WINDOWS Score: 100 74 7323.pw 2->74 76 yzgy2.cc 2->76 78 6 other IPs or domains 2->78 100 Found malware configuration 2->100 102 Malicious sample detected (through community Yara rule) 2->102 104 Antivirus detection for URL or domain 2->104 106 8 other signatures 2->106 11 win.exe 2->11         started        14 cmd.exe 1 2->14         started        16 win.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 116 Early bird code injection technique detected 11->116 118 Writes to foreign memory regions 11->118 120 Allocates memory in foreign processes 11->120 21 WmiPrvSE.exe 11->21         started        23 Win1.exe 2 14->23         started        27 conhost.exe 14->27         started        122 Sample or dropped binary is a compiled AutoHotkey binary 16->122 60 C:\Windows\Installer\MSIF99D.tmp, PE32 18->60 dropped 62 C:\Users\Public\Us\Win1.exe, PE32+ 18->62 dropped 64 C:\Windows\Installer\MSIF516.tmp, PE32 18->64 dropped 66 4 other files (none is malicious) 18->66 dropped 124 Drops executables to the windows directory (C:\Windows) and starts them 18->124 29 msiexec.exe 18->29         started        31 MSIF99D.tmp 18->31         started        signatures6 process7 file8 33 Shell.exe 21->33         started        36 Shell.exe 21->36         started        38 Shell.exe 21->38         started        42 13 other processes 21->42 68 C:\Users\Public\Us\win.exe, PE32+ 23->68 dropped 70 C:\Users\Public\Us\Shell.exe, PE32+ 23->70 dropped 108 Early bird code injection technique detected 23->108 110 Writes to foreign memory regions 23->110 112 Allocates memory in foreign processes 23->112 114 2 other signatures 23->114 40 WmiPrvSE.exe 23->40         started        signatures9 process10 signatures11 82 Early bird code injection technique detected 33->82 84 Writes to foreign memory regions 33->84 86 Allocates memory in foreign processes 33->86 44 WmiPrvSE.exe 1 33->44         started        88 Sample or dropped binary is a compiled AutoHotkey binary 36->88 90 Contains functionality to bypass UAC (CMSTPLUA) 40->90 92 Contains functionality to inject code into remote processes 40->92 94 Unusual module load detection (module proxying) 40->94 process12 dnsIp13 80 7323.pw 134.122.130.150, 49717, 49718, 49719 BCPL-SGBGPNETGlobalASNSG United States 44->80 72 C:\Users\Public\Us\Jh.exe, PE32+ 44->72 dropped 126 Early bird code injection technique detected 44->126 128 Writes to foreign memory regions 44->128 49 calc.exe 44->49         started        52 dllhost.exe 44->52         started        54 Jh.exe 1 44->54         started        56 rundll32.exe 44->56         started        file14 signatures15 process16 signatures17 96 Found stalling execution ending in API Sleep call 49->96 98 Unusual module load detection (module proxying) 49->98 58 conhost.exe 54->58         started        process18
Gathering data
Gathering data
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_MSI_LATAM_Banker_From_LatAm
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:Gh0stKCP
Author:Netresec
Description:Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:https://netresec.com/?b=259a5af
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:RAN_Rook_Dec_2021_1
Author:Arkbird_SOLG
Description:Detect Rook ransomware
Reference:Internal Research
Rule name:SUSP_PDB_Path_Keywords
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious PDB paths
Reference:https://twitter.com/stvemillertime/status/1179832666285326337?s=20
Rule name:SUSP_PDB_Path_Keywords_RID2F34
Author:Florian Roth
Description:Detects suspicious PDB paths
Reference:https://twitter.com/stvemillertime/status/1179832666285326337?s=20
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:upx_largefile
Author:k3nr9
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.

Comments