MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04bc0dbf904d347bfa0b064bb436650fad0583b550dbd9450c8d00f4cb5a3b1b. 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: 11


Intelligence 11 IOCs 1 YARA 15 File information Comments

SHA256 hash: 04bc0dbf904d347bfa0b064bb436650fad0583b550dbd9450c8d00f4cb5a3b1b
SHA3-384 hash: 1b7239ce33f7f5419c2d7a2234ebef59350574537b39e575b821af8ade26820a7d05a57865afe6df635cfd078e65c00e
SHA1 hash: 7fb8478bfa214c20a0d4ed26b293501d39c475bc
MD5 hash: c20a54cc45596e10f5eaf83a388128fe
humanhash: neptune-glucose-michigan-shade
File name:2026.07.16裁员名单及补偿方案.exe
Download: download sample
Signature ValleyRAT
File size:5'751'912 bytes
First seen:2026-07-16 16:28:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b6b5d3b43e46f9dd896a962322a5108b (2 x ValleyRAT)
ssdeep 49152:VheA6Fk7Z0q9med65MbllMmeDDH65YWOl+Sef6vci39Om:a5kR065YWOl+Sef6EgOm
TLSH T15546E7F720D692ACC40AC93B8353EF6A895F71360B36D4E3B198D2525D16DC43A7AE1C
TrID 51.8% (.EXE) Win64 Executable (generic) (6522/11/2)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.9% (.EXE) Generic Win/DOS Executable (2002/3)
15.8% (.EXE) DOS Executable (generic) (2000/1)
0.2% (.VXD) VXD Driver (29/21)
Magika pebin
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.bg[qtsc] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.bg[qtsc]
IOC (IP 43.198.235.91:80)

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://43.198.235.91/getinstall64 https://threatfox.abuse.ch/ioc/1852590/

Intelligence


File Origin
# of uploads :
1
# of downloads :
162
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
2026.07.16裁员名单及补偿方案.exe
Verdict:
Malicious activity
Analysis date:
2026-07-16 16:10:03 UTC
Tags:
generic loader rat valleyrat winos websocket silverfox

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
injection emotet virus remo
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug embarcadero_delphi expired-cert fingerprint invalid-signature packed signed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-16T13:05:00Z UTC
Last seen:
2026-07-17T03:58:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win64.SilverFox.gen Trojan.Win64.Zenpak.sb Trojan.Win64.Silverfox.sb Trojan.Silverfox.HTTP.C&C PDM:Trojan.Win32.Generic
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.SelfDel
Status:
Malicious
First seen:
2026-07-16 16:31:17 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
04bc0dbf904d347bfa0b064bb436650fad0583b550dbd9450c8d00f4cb5a3b1b
MD5 hash:
c20a54cc45596e10f5eaf83a388128fe
SHA1 hash:
7fb8478bfa214c20a0d4ed26b293501d39c475bc
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:Borland
Author:malware-lu
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information


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

  
Delivery method
Distributed via drive-by

Comments