MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 888787e43adc7cfc78d3bdc11e7c898a014d00150ed8e2f7bcdd78d3c8747abd. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 888787e43adc7cfc78d3bdc11e7c898a014d00150ed8e2f7bcdd78d3c8747abd
SHA3-384 hash: e9edd0cac14eae03a18b9b6ef100634f213a6fb599106d35c34f91570c723dac8a130cb8b376932172f5270b19af0137
SHA1 hash: a6665768f1fff6009330d09309ce9ad0bf9f6c10
MD5 hash: a8f5aa54d10e3dcb7645fb2cff60cbf6
humanhash: artist-queen-nevada-pluto
File name:installer64v6.3.5.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:9'809'920 bytes
First seen:2025-01-01 10:52:13 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:PdBGouES3cZobRreD/yOGBJ6bSVLXummJ3XrtHCGQkcrZwH2xmE:DGpExolr6ZGBJ6GXjmdR2Vu2V
TLSH T145A633063AEED7F7D6A3427BDCE9115685A16ED4A2EA04680F0073ED00B2339DF57B58
TrID 53.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
39.2% (.MSP) Windows Installer Patch (44509/10/5)
7.0% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter kafan_shengui
Tags:msi SilverFox ValleyRAT winos

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67751e9074a2bd296e24efc9
Tags:
malware
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer packed packed
Link:
https://www.filescan.io/uploads/67751e8ff66a2ce98be40174/reports/6533d704-2ebb-482f-bd82-15141d548abc/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/888787e43adc7cfc78d3bdc11e7c898a014d00150ed8e2f7bcdd78d3c8747abd
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/888787e43adc7cfc78d3bdc11e7c898a014d00150ed8e2f7bcdd78d3c8747abd
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1582998
Signature
Hides threads from debuggers
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Query firmware table information (likely to detect VMs)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/888787e43adc7cfc78d3bdc11e7c898a014d00150ed8e2f7bcdd78d3c8747abd/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rcdypzb23r6py6gtxxar47ejriau2aavb3mof5543v4nhsdupk6q._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/250101-myyzrsvqbn/
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Event Triggered Execution: Installer Packages
Drops file in Program Files directory
Drops file in Windows directory
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates connected drives
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/920086bd-a823-4c6e-a0a1-e0a297452f2b
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/888787e43adc7cfc78d3bdc11e7c898a014d00150ed8e2f7bcdd78d3c8747abd

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:golang_david_CSC846
Create hunting rule
Author:David
Description:CSC-846 Golang
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(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:XWorm_3_0_3_1_Detection
Create hunting rule
Author:Archevod
Description:Detects XWorm versions 3.0 and 3.1

File information

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

Comments