MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1c0ca1f0b8c4852928c8263015177262f9c99ecc433cd90b8e33044f95b8a6d. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1c0ca1f0b8c4852928c8263015177262f9c99ecc433cd90b8e33044f95b8a6d
SHA3-384 hash: 39e4e9b99712aeaeb0f2e1f338dfc9bed258104a82290737ec2909c018836c8924cb0c594040a4423bfbe73e6e15674a
SHA1 hash: 532f40d3c9b79cfa011a3a6d14487ecabd362bfe
MD5 hash: 86ba88a0a9197cd034f453fdfc4cb175
humanhash: echo-zebra-juliet-jig
File name:bxgajwy_jyabaop_6.5.9.8_x64.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:74'358'784 bytes
First seen:2026-07-17 12:13:32 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 1572864:GLO3oG15J3eRSC6gc9XUhzVGj1Jr6xaC1114hkPY19PXKA+YXBTionjG:GGZO6R9khzofr64C1O19P6A+4BDn
TLSH T1EFF73331B27679D9E61FA3BFA4A85F8940307DE0731BDAAB63787FB145B054251B2803
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:msi SilverFox ValleyRAT


Avatar
CNGaoLing
SilverFox
IOC (IP 43.248.172.159:8875)

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f13e92d8-47c7-4d06-8850-fc6dcf36f222/
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5a1c8856bd89099b5585bd
Tags:
malware
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 CAB cmd crypto evasive expired-cert explorer fingerprint greyware installer lolbin packed reconnaissance regsvr32 short-lived-cert wix
Link:
https://www.filescan.io/uploads/6a5a1cc2c834b6eeec45c151/reports/fb2e22be-627a-4e63-a85f-17e32d62a8af/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b1c0ca1f0b8c4852928c8263015177262f9c99ecc433cd90b8e33044f95b8a6d
Verdict:
Malicious
File Type:
msi
First seen:
2026-07-17T08:21:00Z UTC
Last seen:
2026-07-18T23:57:00Z UTC
Hits:
~10
Detections:
BSS:Trojan.Win32.Generic HEUR:Trojan.Win64.Generic VHO:Backdoor.Win32.DarkVNC.ath HEUR:Trojan.Win32.Loader.gen VHO:Trojan.Win32.DLLhijack.gen Trojan.Win32.DLLhijack.sb Trojan.Win32.DLLhijack.ajia Trojan.Win32.DLLhijack.afqx Trojan.Win32.Agent.xcduft Trojan.OLE2.Agent.sb HEUR:Trojan.Win32.Generic Backdoor.Win32.DarkVNC.ath Trojan.Win32.Agent.sb
Link:
https://opentip.kaspersky.com/b1c0ca1f0b8c4852928c8263015177262f9c99ecc433cd90b8e33044f95b8a6d/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/b1c0ca1f0b8c4852928c8263015177262f9c99ecc433cd90b8e33044f95b8a6d
Gathering data
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-17 12:17:00 UTC
File Type:
Binary (Archive)
Extracted files:
65
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whamuhylrreffeumqjrqculxeyxzzgpmyqz43efy4myej6k3rjwq._file
Verdict:
malicious
Label(s):
Gh0stRAT
Create hunting rule
PrivateLoader
Create hunting rule
Link:
https://reports.threatray.com/7616e25b-84c0-4cf2-9751-bec37195487d
Similar samples:
028c7bb4023c66785328a078fb9ba3787418c45aace2b31395b9e06443224f71
ValleyRAT
09f8f95da609c06e6a503c2b26c479877dde550a3b5545346cbaf24c8fd083d9
ValleyRAT
1622ac3fa3cf29bf8f3e87b81bb0c17655a513b4d038b12eedc15e1c2eeb357f
ValleyRAT
2d9ab882ebccea30426ed3fab1530dcdcffe908c2afd5dd38d8dc4a35ee7847a
ValleyRAT
4582be51967f3d43ffe57cb8964ff05ada8498748168fbb01271ab66b27d4e03
ValleyRAT
5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27
ValleyRAT
b1c0ca1f0b8c4852928c8263015177262f9c99ecc433cd90b8e33044f95b8a6d
ValleyRAT
b2ef6a86983e15d0f70e5941b79d03419d4c7bcd4b1c58223f6b8334ed800deb
ValleyRAT
b7a478e7776d7f54b9c39bb03b685ab5892d4d802954b08443d5678319c81f76
ValleyRAT
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence privilege_escalation
Link:
https://tria.ge/reports/260717-pergpaes71/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Enumerates connected drives
Loads dropped DLL
Malware family:
Gh0stRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1c0ca1f0b8c/report/overview.html
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:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_MSI_LATAM_Banker_From_LatAm
Create hunting rule
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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 b1c0ca1f0b8c4852928c8263015177262f9c99ecc433cd90b8e33044f95b8a6d

(this sample)

  
Delivery method
Distributed via web download

Comments