MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 baaa6c8fc45a90e40f95b5cbfdfe2030ddd58e6be99787905156b22b5ec9510c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: baaa6c8fc45a90e40f95b5cbfdfe2030ddd58e6be99787905156b22b5ec9510c
SHA3-384 hash: 2073cb5c919cc205dec4ec8b62192b8e157e83917b7556fcf6ba62a8c270d460dcdf293f5cef1f83cb0d30a7f041412a
SHA1 hash: d6260ec1702b4b47db8644258572d8042b5d564d
MD5 hash: 809741c2a56666eb1dbf7bf9e99b3e09
humanhash: bluebird-winter-mars-glucose
File name:baaa6c8fc45a90e40f95b5cbfdfe2030ddd58e6be99787905156b22b5ec9510c.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:9'945'088 bytes
First seen:2025-01-01 07:34:27 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:lG8z3FLOg0uyodqLDDkBgyilXfxH6nSnVJJjL82KwZnGYQ4rYfhDLO7PedVd4Tz:lG8LFL+uyo0XDkyvlJxCwZn9Q9hoIVdu
TLSH T116A63308812EC29EEBEFA67F0C75996F4E49EE4355A4855E4BD83BCCA533723042F650
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 zhuzhu0009
Tags:backdoor msi SilverFox ValleyRAT winos

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
JP JP
Vendor Threat Intelligence
Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6774f02c1ada70779825164c
Tags:
malware
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer packed packed
Link:
https://www.filescan.io/uploads/6774f02f108e6fdea94b6372/reports/e5c2301e-04dd-4131-9cd5-6ba14ef502d1/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/baaa6c8fc45a90e40f95b5cbfdfe2030ddd58e6be99787905156b22b5ec9510c
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/baaa6c8fc45a90e40f95b5cbfdfe2030ddd58e6be99787905156b22b5ec9510c
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
Link:
https://www.joesandbox.com/analysis/1582967
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1582967 Sample: E7JY3WMlzs.msi Startdate: 01/01/2025 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\MSI7AF7.tmp, PE32+ 6->15 dropped 11 msiexec.exe 2 6->11         started        process5 file6 17 C:\Program Files (x86)\Windows NT\apo.b, PE32+ 11->17 dropped 23 Query firmware table information (likely to detect VMs) 11->23 25 Hides threads from debuggers 11->25 signatures7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/baaa6c8fc45a90e40f95b5cbfdfe2030ddd58e6be99787905156b22b5ec9510c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xkvgzd6elkioid4vwxf737ragdo5ldtl5glypecrk2zcwxwjkega._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/250101-jensxa1ndq/
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/2a2a95fe-450d-4069-9c48-207cb1e00635
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/baaa6c8fc45a90e40f95b5cbfdfe2030ddd58e6be99787905156b22b5ec9510c

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: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)

File information

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

Comments