MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8f057da1ee099d3757d8017ca05f0c10c7350533af54c78818e4623031d3614. 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: 18


Intelligence 18 IOCs 1 YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8f057da1ee099d3757d8017ca05f0c10c7350533af54c78818e4623031d3614
SHA3-384 hash: 3299194db56dd2a7ede8cd64d033e4ffe84a3c6601e595494b90f7f487f7ea1b2ac30b87008704d87d1bf5479bfcfbde
SHA1 hash: e59e2c29954f22593a183d6ccedc925aabe40066
MD5 hash: 2c5a06eb7274c0691403c3ffb488e8c3
humanhash: kilo-idaho-may-green
File name:b8f057da1ee099d3757d8017ca05f0c10c7350533af54.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:111'104 bytes
First seen:2025-10-25 15:30:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b8bf08fa843a9ec1ce10d80fbf550c26 (90 x ValleyRAT, 1 x Gh0stRAT)
ssdeep 3072:qbWjdIPbcia0NFtwwnILn3py6D268XEPKO2:qbWjMbcCtwwnchx1y
TLSH T168B37B2172A0C072C093253199F9EBB25A7EF93117B844CBB7E416BA5F603C16E7539B
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
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
124.66.208.108:69

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
124.66.208.108:69 https://threatfox.abuse.ch/ioc/1626606/

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b8f057da1ee099d3757d8017ca05f0c10c7350533af54c78818e4623031d3614.exe
Verdict:
Malicious activity
Analysis date:
2025-10-25 15:17:50 UTC
Tags:
valley rat valleyrat winos silverfox
Link:
https://app.any.run/tasks/03b14849-3785-44eb-9b84-f1ff5ef50fea

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/34092/
Detection(s):
Win.Malware.Fragtor-10028386-0
Create hunting rule

Win.Trojan.Farfli-10038362-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68fcea1d6c859164aa645f81
Tags:
emotet farfli
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Сreating synchronization primitives
Creating a window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypt farfli microsoft_visual_cc xpack zusy
Link:
https://www.filescan.io/uploads/68fced733a79800405f63fc4/reports/3ae6a22b-6f90-4534-af2f-4829251fecbb/overview
Verdict:
Malicious
Labled as:
Trojan.Farfli
Link:
https://www.hybrid-analysis.com/sample/b8f057da1ee099d3757d8017ca05f0c10c7350533af54c78818e4623031d3614
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-18T11:45:00Z UTC
Last seen:
2025-10-26T01:34:00Z UTC
Hits:
~10
Detections:
Backdoor.Agent.TCP.C&C Trojan.Win32.Inject.sb Trojan.Win32.Agent.sb HEUR:Backdoor.Win32.Farfli.gen PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/b8f057da1ee099d3757d8017ca05f0c10c7350533af54c78818e4623031d3614/results?tab=lookup
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3419f48e-4e17-4d76-bb7e-b125bb5a4e88
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1801775
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b8f057da1ee099d3757d8017ca05f0c10c7350533af54c78818e4623031d3614
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/2c5a06eb7274c0691403c3ffb488e8c3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8f057da1ee099d3757d8017ca05f0c10c7350533af54c78818e4623031d3614/
Verdict:
Malicious
Threat:
Family.VALLEYRAT
Link:
https://tip.neiki.dev/file/b8f057da1ee099d3757d8017ca05f0c10c7350533af54c78818e4623031d3614
Threat name:
Win32.Trojan.FraudLoad
Create hunting rule
Status:
Malicious
First seen:
2025-10-18 20:12:25 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdyfpwq64cm5g5l5qal4ubpqyeghgucthl2uy6ebrzdcgay5gyka._file
Verdict:
malicious
Label(s):
valleyrat
Create hunting rule
Similar samples:
error
ValleyRAT
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 discovery
Link:
https://tria.ge/reports/251025-sx8qgaxnek/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Enumerates connected drives
Malware Config
C2 Extraction:
124.66.208.108:69
124.66.208.108:73
124.66.208.108:288
Verdict:
Malicious
Tags:
Win.Malware.Fragtor-10028386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0f6e6373-23a0-4e97-9fc2-91621ecdcf60
Unpacked files
SH256 hash:
b8f057da1ee099d3757d8017ca05f0c10c7350533af54c78818e4623031d3614
MD5 hash:
2c5a06eb7274c0691403c3ffb488e8c3
SHA1 hash:
e59e2c29954f22593a183d6ccedc925aabe40066
Detections:
win_valley_rat_auto
Create hunting rule
Link:
https://www.unpac.me/results/3f8d3ced-277c-4e89-a588-7153419b5c7d/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8f057da1ee0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ValleyRAT
Create hunting rule
Author:NDA0E
Description:Detects ValleyRAT
Rule name:Windows_Generic_Threat_4b0b73ce
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Create hunting rule
Author:Elastic Security
Rule name:win_valley_rat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.valley_rat.

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/34092/

Comments