MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0628c0d2ca16727fefb2160576fbd9200f8d5d163a8ce550bbd87a650cc66fe1. 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 11 File information Comments

SHA256 hash: 0628c0d2ca16727fefb2160576fbd9200f8d5d163a8ce550bbd87a650cc66fe1
SHA3-384 hash: c3e3d01e1264103190b740f1ef5b070722f763b310befb9ad686df54d233f0af644be3a664483b9015b221cfa1b8f933
SHA1 hash: 5d34e68044c630f8521b650c4f3dbe4da80edc12
MD5 hash: 1fe76b7c6e8be90ab3965b243aceed93
humanhash: victor-edward-skylark-east
File name:2026.07.21裁员名单及补偿方案wps.exe
Download: download sample
Signature ValleyRAT
File size:4'939'680 bytes
First seen:2026-07-23 08:12:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 59a7dc582f22be673d298b13fa89ab62 (1 x ValleyRAT)
ssdeep 98304:MEIL2C3iWwn75kSwcDCio5Lkp66e9HKIj5TgEhL+ZTKgJ/:MEILH3iWwn75kSwCWpkp66exKIj50WLa
TLSH T1D5368E36F75942B1C8F780F0725D7225A96CB165833452C377C08BE9AB229D47E7A3CA
TrID 51.8% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
20.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.1% (.EXE) Win64 Executable (generic) (6522/11/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.bg[qtsc] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.bg[qtsc]
IOC (Domain nanuvvo.cn) (IP 103.80.135.19:8880)

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://nanuvvo.cn/getinstall64 https://threatfox.abuse.ch/ioc/1855931/

Intelligence


File Origin
# of uploads :
1
# of downloads :
167
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
2026.07.21裁员名单及补偿方案wps.exe
Verdict:
Malicious activity
Analysis date:
2026-07-23 07:48:57 UTC
Tags:
rat valleyrat winos generic loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the system32 subdirectories
Running batch commands
Creating a process with a hidden window
Deleting a recently created file
Launching a process
Creating a file
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug crypto expired-cert fingerprint invalid-signature microsoft_visual_cc overlay reconnaissance signed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-21T18:51:00Z UTC
Last seen:
2026-07-23T04:59:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Silverfox.ale Trojan.Win32.Waldek.sb Trojan.Win32.PoolInject.sba Trojan.Win32.Inject.sba VHO:Trojan-Dropper.Win32.Convagent.gen Trojan.Silverfox.HTTP.C&C PDM:Trojan.Win32.Generic Trojan.Win64.Zenpak.sb Trojan-Dropper.Win32.Injector.sb
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Yogi
Status:
Malicious
First seen:
2026-07-23 08:13:46 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Delays execution with timeout.exe
Enumerates physical storage devices
Executes a command shell one-liner
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
0628c0d2ca16727fefb2160576fbd9200f8d5d163a8ce550bbd87a650cc66fe1
MD5 hash:
1fe76b7c6e8be90ab3965b243aceed93
SHA1 hash:
5d34e68044c630f8521b650c4f3dbe4da80edc12
SH256 hash:
c82f90e4cc82455fbec83c34112443e0e862a19f5645f7bd488d1960d19e6743
MD5 hash:
6d9daea26d2421d5939b6798a715fa52
SHA1 hash:
e46980c771c6e3597a163ed9e108d118e0c63d47
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
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:Glasses
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Author:Seth Hardy
Description:Glasses code features
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

File information


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

Web download

ValleyRAT

Executable exe 0628c0d2ca16727fefb2160576fbd9200f8d5d163a8ce550bbd87a650cc66fe1

(this sample)

  
Delivery method
Distributed via web download

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