MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31. 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: 16


Intelligence 16 IOCs 1 YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31
SHA3-384 hash: 0e5e1c43781d255cc539d3fb3f5804f9f2c53730b5cfa80dfd7f7d0f1282d5a04e2494ce7c5d7d2d13d5f85b00465bf5
SHA1 hash: 216060c45f2e20c7ac42a816bff1b35ea586d042
MD5 hash: fdc9f9d9e826d16a815aba50ddc143d5
humanhash: cold-seven-lake-two
File name:bfff6225f4fbbf9e36322240185935d0321763893c579.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:2'565'542 bytes
First seen:2026-04-11 11:16:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1c5b1beabd90d9fdabd1df0779ea832 (11 x CoinMiner, 10 x QuasarRAT, 8 x AsyncRAT)
ssdeep 49152:QZB1G8YMhOI8GkUqa6jTPpXF2kp1QD4WCvZlFtno5gSV:e3GCOIvzqa6HPpEHCR2gS
TLSH T1A1C5124AE6D408F8E1B3E578CE878A06E7797C4E03A0568F13A076661F77290DE3E751
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 8e1717693b2b178e (1 x ValleyRAT)
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
154.36.188.194:6688

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
154.36.188.194:6688 https://threatfox.abuse.ch/ioc/1784236/

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Archives
Details
Archives
SFX commands and extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/74682f84-d746-45b4-8f41-34113054824e/
Malware family:
n/a
ID:
1
File name:
bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31.exe
Verdict:
Suspicious activity
Analysis date:
2026-04-11 10:52:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5a700752-48f8-4cf3-ad6c-12733033c2cc

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/61125/
Detection(s):
Win.Exploit.Rozena-10037100-0
Create hunting rule

Win.Exploit.Rozena-10038302-0
Create hunting rule

SecuriteInfo.com.PUA.Tool.BtcMine.2790.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69da27cf66ab6d001dd13f78
Tags:
injection dropper delphi sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Running batch commands
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Moving a recently created file
Creating a process with a hidden window
Connection attempt
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-11T07:28:00Z UTC
Last seen:
2026-04-11T07:49:00Z UTC
Hits:
~10
Detections:
Backdoor.Win32.Agentb.sb Backdoor.Win32.Agentb.ge Backdoor.Win32.Agentb.gf
Link:
https://opentip.kaspersky.com/bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a1161137-68ed-494f-88ba-9ad9a8db4de1
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1896846
Signature
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after checking mutex)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1896846 Sample: bfff6225f4fbbf9e36322240185... Startdate: 11/04/2026 Architecture: WINDOWS Score: 84 43 Suricata IDS alerts for network traffic 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected ValleyRAT 2->49 9 bfff6225f4fbbf9e36322240185935d0321763893c579.exe 6 2->9         started        12 TGFile.exe 1 2->12         started        process3 dnsIp4 39 C:\ProgramLog\Install\TG.exe, PE32 9->39 dropped 16 cmd.exe 1 9->16         started        41 154.36.188.194, 49720, 6688 COGENT-174US United States 12->41 53 Found evasive API chain (may stop execution after checking mutex) 12->53 55 Contains functionality to inject code into remote processes 12->55 57 Unusual module load detection (module proxying) 12->57 file5 signatures6 process7 process8 18 TG.exe 2 16->18         started        22 conhost.exe 16->22         started        file9 29 C:\Users\user\AppData\Local\Temp\...\TG.tmp, PE32 18->29 dropped 51 Multi AV Scanner detection for dropped file 18->51 24 TG.tmp 5 12 18->24         started        signatures10 process11 file12 31 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 24->31 dropped 33 C:\ProgramLog\run.exe (copy), PE32+ 24->33 dropped 35 C:\ProgramLog\is-MXOBC8357I.tmp, PE32+ 24->35 dropped 37 4 other malicious files 24->37 dropped 27 run.exe 24->27         started        process13
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31/
Verdict:
Malicious
Threat:
Family.VALLEYRAT_S2
Link:
https://tip.neiki.dev/file/bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31
Threat name:
Win64.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-04-11 10:52:02 UTC
File Type:
PE+ (Exe)
Extracted files:
8
AV detection:
12 of 36 (33.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x77wejpu7o7z4nrsejabqwjv2azboy4jhrlz6ttxw3x2kigvvmyq._file
Verdict:
malicious
Label(s):
shellcode_loader_008
Create hunting rule
Similar samples:
error
ValleyRAT
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery installer
Link:
https://tria.ge/reports/260411-ndc28sds2n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Inno Setup is an open-source installation builder for Windows applications.
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detects ValleyRAT payload
ValleyRat
Valleyrat_s2 family
Unpacked files
SH256 hash:
bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31
MD5 hash:
fdc9f9d9e826d16a815aba50ddc143d5
SHA1 hash:
216060c45f2e20c7ac42a816bff1b35ea586d042
Link:
https://www.unpac.me/results/bce9b38e-9814-44ee-bb08-3b405148dcca/
SH256 hash:
7c8277da1e51a00d153fcef9b876f4d8e7555fa7b98b3ddc08906836147ff194
MD5 hash:
8641e778b811f5197688399780bb774d
SHA1 hash:
f33342c25f414c43295e74d7699220bde6a1d5cc
Link:
https://www.unpac.me/results/bce9b38e-9814-44ee-bb08-3b405148dcca/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfff6225f4fb/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/bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31

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: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:GenericGh0st
Create hunting rule
Author:Still
Rule name:Gh0stKCP
Create hunting rule
Author:Netresec
Description:Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:https://netresec.com/?b=259a5af
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
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:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
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/
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.
Rule name:Windows_Generic_Threat_4b0b73ce
Create hunting rule
Author:Elastic Security
Rule name:Windows_Shellcode_Rdi_eee75d2c
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Create hunting rule
Author:Elastic Security
Rule name:WinosStager
Create hunting rule
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign
Rule name:win_winos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.winos.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/61125/

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