MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09
SHA3-384 hash: 59e4ec6ced152f74342b7420a06a8e7e19693f1097d1b012682224ec77925632c0d0b40955067f3a3b0eec46a0464a7d
SHA1 hash: 1d98161fc61b3fd569ea7e7e6a9a9aa2aca8696b
MD5 hash: 62e89a2a45a9d63d602568425e404dba
humanhash: steak-wyoming-video-colorado
File name:64位安装包_特別版_231.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:1'210'880 bytes
First seen:2026-02-04 03:29:07 UTC
Last seen:2026-02-04 04:22:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fc1511793129e48f3058bf759a59eb3a (1 x ValleyRAT)
ssdeep 12288:qH+Ec/7YYrbfCohS1M05yODD8EHETSXAVzZiB1HbDUHlhC00izdCZNaKhqT+:/YWVkBdEfYvDGlmNaKI
TLSH T1F4458E16BBAC00F9E1E7923CC962C616E27ABC465361E7DF02941A5B2F339D14E7D720
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Ling
Tags:exe Malgent Trojan:Win64/Malgent!MSR ValleyRAT


Avatar
CNGaoLing
This sample has been reviewed by Microsoft researchers and determined to be malware. (Trojan:Win64/Malgent!MSR)

Intelligence

File Origin
# of uploads :
2
# of downloads :
131
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
ValleyFall
Details
Link:
https://research.acce.ciphertechsolutions.com/results/29f01ef6-04b0-4bbb-a62a-dd00a0b18836/
Malware family:
n/a
ID:
1
File name:
64位安装包_特別版_231.exe
Verdict:
Malicious activity
Analysis date:
2026-02-03 12:00:57 UTC
Tags:
uac
Link:
https://app.any.run/tasks/da8bfc70-5516-406e-96c9-f4416399b752

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/51600/
Detection(s):
SecuriteInfo.com.Trojan.Siggen32.19629.22117.19856.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6982bd0c6b1af47db72c9bc2
Tags:
dropper virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 cmd evasive evasive exploit explorer fingerprint installer-heuristic lolbin microsoft_visual_cc uacme unsafe
Link:
https://www.filescan.io/uploads/6982bd09981ff1d38a477422/reports/be37cb1e-f4ef-484e-903e-e61996875bb4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-02-03T03:06:00Z UTC
Last seen:
2026-02-03T03:39:00Z UTC
Hits:
~10
Detections:
Trojan-Dropper.Win32.Agent.sb HEUR:HackTool.Win64.UACme.gen BSS:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/aa68bf6c-0d87-4530-b937-1db774e6976c
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/62e89a2a45a9d63d602568425e404dba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09/
Verdict:
Malicious
Threat:
HackTool.Win64.UACme
Link:
https://tip.neiki.dev/file/a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09
Threat name:
Win64.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2026-02-03 16:10:25 UTC
File Type:
PE+ (Exe)
Extracted files:
47
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ulcz5ifygdjno46arjtn6q2qnfzlpahnppjg7abqq5rsi67gjyeq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260204-d1zveahz4e/
Unpacked files
SH256 hash:
a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09
MD5 hash:
62e89a2a45a9d63d602568425e404dba
SHA1 hash:
1d98161fc61b3fd569ea7e7e6a9a9aa2aca8696b
Link:
https://www.unpac.me/results/3ffbee32-5bd5-4a74-8877-dd0baf300200/
SH256 hash:
4bc647a09037e0d9a1ce3a2ccdf43e7c81bc22b1a8d96ca1b839d4c8bd173c7f
MD5 hash:
c3c9bb83c1ecf3071f1c0e8b2b2a1d5c
SHA1 hash:
3e82bc08cb0b5583537a98df8ad2b2544045f0bc
Link:
https://www.unpac.me/results/3ffbee32-5bd5-4a74-8877-dd0baf300200/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a2c59ea0b830/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/a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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)
Rule name:WinosStager
Create hunting rule
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

File information

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

Web download

ValleyRAT

Executable exe a2c59ea0b830d2d773c08a66df43506972b780ed7bd26f80308763247be64e09

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/51600/

Comments