MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cecbc386a956670dd27cf2dd7e478c0dbda03152748c787352dd295b8aa5389. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7cecbc386a956670dd27cf2dd7e478c0dbda03152748c787352dd295b8aa5389
SHA3-384 hash: d5854f574ed2e162a943d0bf055795938a507304b3fc6e26a9e6295ffb0b4f72ef2ae4b9197178d19c1bd986bc380881
SHA1 hash: 71730354bc9924a6ab7234df0b97f1c9b052a26b
MD5 hash: 56cded49fcbbeb89599b09a9f058dc62
humanhash: yellow-moon-east-nebraska
File name:Gusnktyst.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:35'613'696 bytes
First seen:2025-12-27 16:58:08 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 786432:I1BLppWPaOcV+IZ02eE3rLy/GWW5ZXdaK9x0TRmo3sVCHPzrfGUaslVDBV5gqQEt:I1BKiOcV+vRYTZXdaWOVw4P3fXaQDdgq
TLSH T1C2773320768EC232E19E1577D83D6E0E9431BDA3033042D7B3F47A9E5E329C1A67D692
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 Ling
Tags:Malgent msi Trojan:Win32/Malgent!MSR ValleyRAT


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Link:
https://research.acce.ciphertechsolutions.com/results/dec1867b-9540-4cbe-b9c4-e9bbd64c390c/
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695010567634e68bd218f723
Tags:
n/a
Verdict:
Suspicious
Link:
https://www.hybrid-analysis.com/sample/7cecbc386a956670dd27cf2dd7e478c0dbda03152748c787352dd295b8aa5389
Result
Verdict:
UNKNOWN
Link:
https://labs.inquest.net/dfi/sha256/7cecbc386a956670dd27cf2dd7e478c0dbda03152748c787352dd295b8aa5389
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
First seen:
2025-12-27T10:00:00Z UTC
Last seen:
2025-12-28T03:03:00Z UTC
Hits:
~10
Detections:
BSS:Trojan.Win32.Generic UDS:DangerousObject.Multi.Generic Trojan.Win64.Agentb.sb Trojan.Win32.Shellcode.sb Backdoor.Win32.Agentb.sb Backdoor.Agent.TCP.C&C Trojan.Win32.Shellcode.kad
Link:
https://opentip.kaspersky.com/7cecbc386a956670dd27cf2dd7e478c0dbda03152748c787352dd295b8aa5389/results?tab=lookup
Score:
82%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/7cecbc386a956670dd27cf2dd7e478c0dbda03152748c787352dd295b8aa5389
Gathering data
Verdict:
Malicious
Threat:
Family.VALLEYRAT
Link:
https://tip.neiki.dev/file/7cecbc386a956670dd27cf2dd7e478c0dbda03152748c787352dd295b8aa5389
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-12-27 15:40:57 UTC
File Type:
Binary (Archive)
Extracted files:
581
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ptwlyodksvthbxjhz4w5pzdyydn5uayve5empbzvfxjjlofkkoeq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence privilege_escalation
Link:
https://tria.ge/reports/251227-vg9nyatpbq/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Enumerates connected drives
Loads dropped DLL
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/40227d44-ed65-4be4-833f-50227df828b6
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7cecbc386a95/report/overview.html
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/7cecbc386a956670dd27cf2dd7e478c0dbda03152748c787352dd295b8aa5389

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_MSI_LATAM_Banker_From_LatAm
Create hunting rule

File information

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

Web download

ValleyRAT

Microsoft Software Installer (MSI) msi 7cecbc386a956670dd27cf2dd7e478c0dbda03152748c787352dd295b8aa5389

(this sample)

  
Delivery method
Distributed via web download

Comments