MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07b2d1ff03cd867be5b1b72ebcff955e6919fe9daf33cc572e6688ebb191ef30. 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: 13


Intelligence 13 IOCs YARA 20 File information Comments

SHA256 hash: 07b2d1ff03cd867be5b1b72ebcff955e6919fe9daf33cc572e6688ebb191ef30
SHA3-384 hash: 55f57020118216d5053cb3eccf2292851ef7372dacc594e7773d7ec2abe93461336020bb1c78413b1f3d697c9434fd74
SHA1 hash: 29c2f764317626a65a9b8964c63e2b9721b096d2
MD5 hash: 7f9ede7f5d4038ae6d45faca0527fe97
humanhash: oscar-finch-berlin-steak
File name:Bingguksiaru.msi
Download: download sample
Signature ValleyRAT
File size:33'222'656 bytes
First seen:2025-12-27 15:57:26 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 786432:X14LppWPaOcV+hLb4c5iiKkjK0BHnvDOjogXBpFltC7A6pIvwD:X14KiOcV+hn+tOHLOcgBi7Ax
TLSH T13F773331A28BC725E19E5077D83EEE0EA135BD63033141DBA3F4799E1E718C1667E682
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:dropper msi Trojan:Win32/Dropper!MSR ValleyRAT


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

Intelligence


File Origin
# of uploads :
1
# of downloads :
89
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Score:
81.4%
Tags:
virus spawn
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 cmd expired-cert fingerprint installer keylogger lolbin msiexec short-lived-cert wix
Result
Verdict:
UNKNOWN
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:
2025-12-27T03:18:00Z UTC
Last seen:
2025-12-27T21:28:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Agentb.sb Trojan.Win32.Shellcode.sb PDM:Trojan.Win32.Generic Backdoor.Win32.Agentb.sb Backdoor.Agent.TCP.C&C Trojan.Win32.Shellcode.jzd BSS:Trojan.Win32.Generic
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-12-27 07:28:51 UTC
File Type:
Binary (Archive)
Extracted files:
642
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
valleyrat
Similar samples:
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence privilege_escalation
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:
Suspicious
Tags:
n/a
YARA:
n/a
Malware family:
ValleyRAT
Verdict:
Malicious
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_MSI_LATAM_Banker_From_LatAm
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_All_Windows_PE_Malware
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string

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 07b2d1ff03cd867be5b1b72ebcff955e6919fe9daf33cc572e6688ebb191ef30

(this sample)

  
Delivery method
Distributed via web download

Comments