MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c22b66b65e97b7f87d3582315776c92f5ae64a487355ac5bfd0fae1bbccfc987. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c22b66b65e97b7f87d3582315776c92f5ae64a487355ac5bfd0fae1bbccfc987
SHA3-384 hash: 24720adbc7634f44a74c39b351e1da3073c7bff0a59512f2eb16876b452eb83788093859ee1157ed255759449a2efbfb
SHA1 hash: ff1ec87936e4a2dd6bbd30cb71f8427b0ff7bd23
MD5 hash: 72ee5433101910d088335f296d40173c
humanhash: salami-eighteen-kansas-lion
File name:install.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:20'983'157 bytes
First seen:2025-12-27 22:11:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 039d1617d5f0788dacbd04b35a141ebe (30 x ValleyRAT)
ssdeep 393216:7kEol82RuJC4qyA5387rzKoID80+2JAlAjUngDJcQ8soQTODUi961hw5:7kEol82gNqF8Oh++AejUgDLjoQqDUsQ8
TLSH T1F0273356C50F44D7D4601178841B809AE087BEEE7C31E766E688FFE2B53B94A4AB710F
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon c0ccece874d4d4fc (6 x ValleyRAT)
Reporter Ling
Tags:exe Malgent Trojan:Win32/Malgent!MSR ValleyRAT


Avatar
CNGaoLing
This sample has been reviewed by Microsoft researchers and determined to be malware. (Trojan:Win32/Malgent!MSR)

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
install.exe
Verdict:
No threats detected
Analysis date:
2025-12-27 22:13:25 UTC
Tags:
vmprotect
Link:
https://app.any.run/tasks/a01a49d8-8312-42b8-a31c-84b08d411145

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/46246/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695059916de7591fd8fbd2b3
Tags:
vmprotect micro shell sage
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic microsoft_visual_cc nsis overlay
Link:
https://www.filescan.io/uploads/6950598c84afa5547b5ee26c/reports/29449ff2-1c54-4fde-8336-c1094e8853ff/overview
Verdict:
Malicious
Labled as:
Trojan.Fsysna.ibyq
Link:
https://www.hybrid-analysis.com/sample/c22b66b65e97b7f87d3582315776c92f5ae64a487355ac5bfd0fae1bbccfc987
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-27T10:56:00Z UTC
Last seen:
2025-12-28T05:04:00Z UTC
Hits:
~10
Detections:
VHO:Trojan-Dropper.Win32.Agent.gen Trojan-Dropper.Win32.Agent.tkdgcj PDM:Trojan.Win32.Generic BSS:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/c22b66b65e97b7f87d3582315776c92f5ae64a487355ac5bfd0fae1bbccfc987/results?tab=lookup
Score:
38%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/c22b66b65e97b7f87d3582315776c92f5ae64a487355ac5bfd0fae1bbccfc987
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Link:
https://app.malva.re/file/72ee5433101910d088335f296d40173c
Gathering data
Verdict:
Malicious
Threat:
Family.VALLEYRAT
Link:
https://tip.neiki.dev/file/c22b66b65e97b7f87d3582315776c92f5ae64a487355ac5bfd0fae1bbccfc987
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-12-27 15:36:25 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yivwnns6s637q7jvqiyvo5wjf5nomssionk2yw75b6xbxpgpzgdq._file
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor defense_evasion discovery execution installer vmprotect
Link:
https://tria.ge/reports/251227-13488szrbr/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Network Service Discovery
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
VMProtect packed file
Modifies Windows Firewall
Detects ValleyRAT payload
ValleyRat
Valleyrat_s2 family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cdb89d9b-5fb3-4665-bd53-7304f2d9e029
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/c22b66b65e97b7f87d3582315776c92f5ae64a487355ac5bfd0fae1bbccfc987

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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

File information

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

Web download

ValleyRAT

Executable exe c22b66b65e97b7f87d3582315776c92f5ae64a487355ac5bfd0fae1bbccfc987

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/46246/

Comments