MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcd53b378ba4628870393aa4b72122a1d13fa90421b17d34ad7e73bce4de275d. 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 1 File information Comments

SHA256 hash: dcd53b378ba4628870393aa4b72122a1d13fa90421b17d34ad7e73bce4de275d
SHA3-384 hash: 412c41cbbbc78c72474b5aeaa63a4a77543b806521e40595653333214cda1e57a90bf84f780e393b7fd85fb32c638e3d
SHA1 hash: 0a4b89d6b052eccc8b07c82e815e6ae3e54599dc
MD5 hash: e278ba88c8a6b8ae271c59fe917efc2a
humanhash: saturn-seven-nevada-helium
File name:66666.msi
Download: download sample
Signature ValleyRAT
File size:13'881'344 bytes
First seen:2024-12-28 08:02:26 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:GO5N5lunV72ksRJgpxCwxvQac1dZC+wSw5PZbzL+uuIZYsk5Z02SJ4AAHFnOFJin:HWCksbySw5PZXiuuI6FP5TtHhzQATz
TLSH T153E633187B5F6B5EC34581BD88C5BAAE09D06E640B64B2E03340BF6DF17B837D1629D2
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter zhuzhu0009
Tags:backdoor msi SilverFox ValleyRAT winos

Intelligence


File Origin
# of uploads :
1
# of downloads :
100
Origin country :
PL PL
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Tags:
shellcode
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer packed packed
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Hides threads from debuggers
Multi AV Scanner detection for dropped file
PE file has nameless sections
Query firmware table information (likely to detect VMs)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1581565 Sample: 66666.msi Startdate: 28/12/2024 Architecture: WINDOWS Score: 60 19 Multi AV Scanner detection for dropped file 2->19 21 PE file has nameless sections 2->21 6 msiexec.exe 75 29 2->6         started        9 msiexec.exe 5 2->9         started        process3 file4 15 C:\Windows\Installer\MSI7393.tmp, PE32+ 6->15 dropped 11 msiexec.exe 2 6->11         started        process5 file6 17 C:\Program Files (x86)\Windows NT\hrsv.tac, PE32+ 11->17 dropped 23 Query firmware table information (likely to detect VMs) 11->23 25 Hides threads from debuggers 11->25 signatures7
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
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
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:Sus_Obf_Enc_Spoof_Hide_PE
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