MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862. 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 YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862
SHA3-384 hash: 960e5183222ad25260a5e04cb5bf9d0ed3a8f48cd6cdcac95a6c35e9fda74bc0367bd8ffa2debca8396fa3916fd49682
SHA1 hash: 84d035c1d8eb3941c0da58a0d25dc4c19c032608
MD5 hash: c8df90c28d202c86f549a03a3bb0a3b0
humanhash: oscar-stream-nitrogen-golf
File name:2026.05.13裁员名单及补偿方案WPS.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:631'296 bytes
First seen:2026-05-13 08:37:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9b738f748fda972cb4302bed2452843f (2 x ValleyRAT)
ssdeep 6144:c/eYN7FklW9tAdYUcmLy94Aa4o53GEfRx65LFcDT4QresEdZlUyzSyy1/n3zD7nG:+eRkwuBjVjsfP3Sao/fQS
TLSH T1F8D4A707EB35E1A5D16AC4B966621373B631BC0CA324A367CF55AF117B31BA4CDBA700
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon 3cf686e8f6fcf0e0 (2 x ValleyRAT, 1 x CoinMiner, 1 x ACRStealer)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.bg[qtsc] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.bg[qtsc]
IOC (Domain oone8de.cn) (IP 54.46.28.27)

Intelligence

File Origin
# of uploads :
1
# of downloads :
132
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c8316c62-5444-4416-b7f1-6636ea0f5eb7/
Malware family:
n/a
ID:
1
File name:
2026.05.13裁员名单及补偿方案WPS.exe
Verdict:
Malicious activity
Analysis date:
2026-05-13 05:01:23 UTC
Tags:
generic websocket valleyrat rat silverfox winos
Link:
https://app.any.run/tasks/edf671fe-907b-486e-bd8b-11ab97c3dc92

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/65794/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a043887aa2b27a55c89cdc7
Tags:
emotet cobalt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-debug installer-heuristic microsoft_visual_cc
Link:
https://www.filescan.io/uploads/6a04388486e92bda702c94d7/reports/e69eb6bc-cad0-4f12-9ae0-2427e4fd9a9d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-13T02:00:00Z UTC
Last seen:
2026-05-14T21:54:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Zenpak.sb Trojan.Win64.Zenpak.fcj Trojan-Dropper.Win32.Agent.sb Trojan-Downloader.Agent.HTTP.C&C
Link:
https://opentip.kaspersky.com/dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/67598511-249d-427e-ada1-b7fec7d0a882
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/c8df90c28d202c86f549a03a3bb0a3b0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862/
Verdict:
Malicious
Threat:
Trojan.Win64.Zenpak
Link:
https://tip.neiki.dev/file/dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862
Threat name:
Win64.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2026-05-13 08:38:36 UTC
File Type:
PE+ (Exe)
Extracted files:
22
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3xrssfaaubtg3qgzb2dslai77yaoj44zcbwewjfsuvlzqljk5bra._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/260513-kjypcabv2p/
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
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862
MD5 hash:
c8df90c28d202c86f549a03a3bb0a3b0
SHA1 hash:
84d035c1d8eb3941c0da58a0d25dc4c19c032608
Link:
https://www.unpac.me/results/d392846a-4b35-4e53-82a6-1859b4f25489/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dde3291400a0/report/overview.html
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/dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:VECT_Ransomware
Create hunting rule
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.

Web download

ValleyRAT

Executable exe dde3291400a0666dc0d90e8725811ffe00e4f399106c4b24b2a557982d2ae862

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/65794/

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