MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206
SHA3-384 hash: a84e669ae1d51157b6ce38b983fc06f7406ecf9d9c9857a4537a2e7f387f897bc73622c8e2e390f51e8a399b578220dd
SHA1 hash: 63947d6b89378ef2afd447621d06326c1f1b5e60
MD5 hash: 12e82e2d1209927f073ed1c9ccc2bcf6
humanhash: oranges-seven-social-uncle
File name:explorer.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:131'072 bytes
First seen:2026-06-18 05:03:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 015963922633a41e43c441017740355d (1 x ValleyRAT)
ssdeep 1536:V3KdhXJZJE2SMwzFm8b68JXR+4y5kKYSSzHv/mgJgi5qVTsWzd7m9dlgZ0yQ:4dh5MFvm8L/OYrzHmgJgEirSuWy
TLSH T1D0D37D6777E570F8E4778235C9610A46E772B83206218B5F03A446662F273D1DD3EFA2
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
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.sa ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.sa
IOC (Domain zhuzhu3.yunduans.com) (IP 103.12.148.79:443)

Intelligence

File Origin
# of uploads :
1
# of downloads :
178
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
explorer.exe
Verdict:
No threats detected
Analysis date:
2026-06-18 04:45:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b885fee8-96fb-4265-8824-3350a7ddd537

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/71121/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a337a0c54a045c3408a1428
Tags:
virus sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Running batch commands
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm microsoft_visual_cc reconnaissance
Link:
https://www.filescan.io/uploads/6a337c2b90632a45f7285f1b/reports/ba75cc0d-ea88-46a5-81fc-611ad864814c/overview
Verdict:
Suspicious
Link:
https://www.hybrid-analysis.com/sample/77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-18T23:47:00Z UTC
Last seen:
2026-06-19T21:08:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Agentb.ljya
Link:
https://opentip.kaspersky.com/77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/186b10a9-89e5-4e0a-b86d-bc759ea55d25
Score:
43%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206/
Verdict:
Clean
Link:
https://tip.neiki.dev/file/77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206
Threat name:
Win64.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2026-06-18 04:54:50 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7uj6ws6lval76ejj6rwvmlg4lhgthh5jljgh4o3fyrjozhvgida._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260618-fp34ssez6q/
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206
MD5 hash:
12e82e2d1209927f073ed1c9ccc2bcf6
SHA1 hash:
63947d6b89378ef2afd447621d06326c1f1b5e60
Link:
https://www.unpac.me/results/5fd011d7-f819-4a29-a1da-1475d881b305/
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/77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206

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:DebuggerCheck__API
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: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 77e89f5a5e5d40bff8894fa36ab166e2ce699cfd4ad263f1db2e229764f53206

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/71121/

Comments