MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d01a2fb66e6de2d079865445e106535c7522dfc1c406de70423221941f2c1793. 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: 17


Intelligence 17 IOCs 1 YARA 24 File information Comments

SHA256 hash: d01a2fb66e6de2d079865445e106535c7522dfc1c406de70423221941f2c1793
SHA3-384 hash: bc21bbfed536a54256bf693f5ac49a4359d2558c2dbfe0bbac1ef78d2c484f27e87b1360932d5a4926bc3890c4fb4104
SHA1 hash: 4cf07a3fdc8ff6caaa20a3ee0150dd63ac32d627
MD5 hash: 9948c58afd2fb386846a496eb6816a09
humanhash: illinois-apart-charlie-king
File name:d01a2fb66e6de2d079865445e106535c7522dfc1c406d.exe
Download: download sample
Signature ValleyRAT
File size:4'631'040 bytes
First seen:2025-10-19 10:55:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4d921b917109f52513b881f3e81df538 (1 x ValleyRAT)
ssdeep 49152:3xdK0E6G2RFLxOsJD/PxUkQ8Z+6wU3CQg7sFnkm45XePkDvbVayZHm0AetYBBuuG:hg0Eb2XIgLB3CB7sFnwuqhjF+M7
Threatray 398 similar samples on MalwareBazaar
TLSH T18226F0016C9383A2DD0D76FDB05D67355AE05E4F0F1091A62FE7DD64CF2E241AA22E2B
TrID 33.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
21.3% (.EXE) Win64 Executable (generic) (10522/11/4)
13.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
38.47.221.20:6666

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
38.47.221.20:6666 https://threatfox.abuse.ch/ioc/1617630/

Intelligence


File Origin
# of uploads :
1
# of downloads :
145
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d01a2fb66e6de2d079865445e106535c7522dfc1c406de70423221941f2c1793.exe
Verdict:
Malicious activity
Analysis date:
2025-10-19 10:40:27 UTC
Tags:
auto-startup blackmoon valleyrat winos rat silverfox valley

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autorun emotet
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context evasive fingerprint iceid keylogger microsoft_visual_cc obfuscated packed packed packer_detected threat
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-16T00:17:00Z UTC
Last seen:
2025-10-20T02:32:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Inject.sb HEUR:Backdoor.Win32.Xkcp.gen Backdoor.Win32.Xkcp.a Backdoor.Win32.Poison.sb PDM:Trojan.Win32.Generic HEUR:Backdoor.Win32.Farfli.gen Backdoor.Agent.TCP.C&C not-a-virus:HEUR:WebToolbar.Win32.Generic
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Disables UAC (registry)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected ValleyRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1797890 Sample: d01a2fb66e6de2d079865445e10... Startdate: 19/10/2025 Architecture: WINDOWS Score: 100 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 4 other signatures 2->54 9 d01a2fb66e6de2d079865445e106535c7522dfc1c406d.exe 1 2->9         started        process3 signatures4 56 Tries to detect virtualization through RDTSC time measurements 9->56 12 d01a2fb66e6de2d079865445e106535c7522dfc1c406d.exe 1 17 9->12         started        process5 file6 30 C:\ProgramData\yidongwenj\movedcs.exe, PE32 12->30 dropped 32 C:\Program Files\pKwHVnb\shouhujincheng.exe, PE32 12->32 dropped 34 C:\Program Files\pKwHVnb\qusdjcxzzsa.exe, PE32 12->34 dropped 36 2 other malicious files 12->36 dropped 58 Disables UAC (registry) 12->58 16 qusdjcxzzsa.exe 12->16         started        signatures7 process8 signatures9 42 Writes to foreign memory regions 16->42 44 Allocates memory in foreign processes 16->44 46 Injects a PE file into a foreign processes 16->46 19 cmd.exe 3 16->19         started        22 subst.exe 1 16->22         started        24 ghn.exe 16->24         started        26 4 other processes 16->26 process10 dnsIp11 38 38.47.221.20, 49716, 6666 COGENT-174US United States 19->38 40 192.168.2.4, 138, 443, 49708 unknown unknown 19->40 28 conhost.exe 22->28         started        process12
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2025-10-19 01:51:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:blackmoon family:valleyrat_s2 backdoor banker defense_evasion discovery evasion trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks computer location settings
Executes dropped EXE
Badlisted process makes network request
Blackmoon family
Blackmoon, KrBanker
Detect Blackmoon payload
Modifies Windows Defender DisableAntiSpyware settings
UAC bypass
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
38.47.221.20:6666
Unpacked files
SH256 hash:
d01a2fb66e6de2d079865445e106535c7522dfc1c406de70423221941f2c1793
MD5 hash:
9948c58afd2fb386846a496eb6816a09
SHA1 hash:
4cf07a3fdc8ff6caaa20a3ee0150dd63ac32d627
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:BlackMoon
Author:NDA0E
Description:Detects BlackMoon
Rule name:blackmoon_payload_v1
Author:RandomMalware
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GenericGh0st
Author:Still
Rule name:Gh0stKCP
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
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Hacktools_CN_Panda_andrew
Author:Florian Roth
Description:Disclosed hacktool set - file andrew.exe - sethc.exe Debugger backdoor
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MALWARE_Win_BlackMoon
Author:ditekSHen
Description:Detects executables using BlackMoon RunTime
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ValleyRAT
Author:NDA0E
Description:Detects ValleyRAT
Rule name:Windows_Generic_Threat_4b0b73ce
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Author:Elastic Security
Rule name:win_valley_rat_auto
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.

Comments