MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c477fcca17020433ad56e21a5d42cce64cd718c0a1c1ebde55d53ae9d7aeb38e. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c477fcca17020433ad56e21a5d42cce64cd718c0a1c1ebde55d53ae9d7aeb38e
SHA3-384 hash: 29a3e2b60cd948a8d68908bc166106f721e467d3183e73163f962dbb1a5f7ac560c3d8bb8f4e6e38c272efecde4aed3c
SHA1 hash: 0c544ecaf6ea28fcdbaa8d869851b9d58ad19130
MD5 hash: 477f6fa40bcb71de718029e3ab791ca9
humanhash: oregon-early-black-blossom
File name:T1_Install_1.0.2.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:33'792'000 bytes
First seen:2025-01-22 06:03:13 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 786432:bmu3kfe53khpxvKKLGxNczoZJ/iBc3h9vfpx6N/ZxtZ3kwVZ7pEVMc:tkYyKKLGxNczoJ1/vxxA/ZxtZUkZ7pI
TLSH T1BE77333CA519B726E857C0704123763976637D9167805E42C17ABBA62B323B076BFFC8
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter kafan_shengui
Tags:msi SilverFox ValleyRAT winos

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67908d17b5602ee8cdaf1963
Tags:
n/a
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
installer
Link:
https://www.filescan.io/uploads/67908a5320420d678c400fe6/reports/307b56c5-a740-49de-8cea-1149424671e1/overview
Verdict:
Malicious
Labled as:
Trojan.MSI.Agent
Link:
https://www.hybrid-analysis.com/sample/c477fcca17020433ad56e21a5d42cce64cd718c0a1c1ebde55d53ae9d7aeb38e
Result
Verdict:
UNKNOWN
Link:
https://labs.inquest.net/dfi/sha256/c477fcca17020433ad56e21a5d42cce64cd718c0a1c1ebde55d53ae9d7aeb38e
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:
64 / 100
Link:
https://www.joesandbox.com/analysis/1596577
Signature
Hides threads from debuggers
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Behaviour
Behavior Graph:
Download SVG
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yr37zsqxaicdhlkw4inf2qwm4zgnoggauha6xxsv2u5otv5owoha._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/250122-gsk8ts1rhs/
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/d75558e4-b39b-4a20-ad47-2687fea67bcf
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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)

File information

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

Comments