MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb4e10c087d83f673e41b0fc0a8e17a8caaadeb8ef1e05b9f9bc220192f2803c. 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 18 File information Comments

SHA256 hash: bb4e10c087d83f673e41b0fc0a8e17a8caaadeb8ef1e05b9f9bc220192f2803c
SHA3-384 hash: a71dbddad49f07bdd7b20b7af2277b51b6aba2a4f662169b2d70c7ed9d2e186782b94badaac6529bd3c1885f657d9350
SHA1 hash: aaadfc39cf78a7c358a8ced11e620e2418a88f32
MD5 hash: aa074dc54d8868d6444cdade76934c55
humanhash: carpet-arizona-football-robert
File name:xbb4e10c087d83f673e41b0fc0a8e17a8caaadeb8ef1e.exe
Download: download sample
Signature ValleyRAT
File size:189'440 bytes
First seen:2026-01-11 08:15:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d65f31ba9b797a6e8376fb546f3d6f72 (2 x ValleyRAT)
ssdeep 3072:r9j5W1DJJ3Ve/nLr6VURAkayz4c39KNNXO6AoU9EO9ulMtyE/3wn:rRs7I/v9RAkz4ctufQEp+IEPw
Threatray 716 similar samples on MalwareBazaar
TLSH T1B0048E22B051E1FBC45701F018ED87B86A31CD1A0721CDD767D9EEB81EB9BE2087576A
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:
43.157.212.233:45

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
43.157.212.233:45 https://threatfox.abuse.ch/ioc/1700760/

Intelligence


File Origin
# of uploads :
1
# of downloads :
154
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
xbb4e10c087d83f673e41b0fc0a8e17a8caaadeb8ef1e05b9f9bc220192f2803c.exe
Verdict:
Malicious activity
Analysis date:
2026-01-11 08:01:12 UTC
Tags:
auto-sch auto-startup rust auto-reg

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:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Creating a service
Launching a service
Restart of the analyzed sample
DNS request
Connection attempt
Sending a custom TCP request
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm lolbin rust schtasks
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-10T13:15:00Z UTC
Last seen:
2026-01-11T06:18:00Z UTC
Hits:
~10
Detections:
Backdoor.Win32.Xkcp.a Backdoor.Win32.Agentb.sb Backdoor.Agent.TCP.C&C Trojan-Dropper.Win32.Daws.sbbs PDM:Trojan.Win32.Generic Backdoor.Xkcp.TCP.ServerRequest Backdoor.Win32.Xkcp.bzf
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to capture and log keystrokes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Detected unpacking (creates a PE file in dynamic memory)
Drops PE files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Suspicious New Service Creation
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected QueryWinSAT ClassID
Yara detected ValleyRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848335 Sample: xbb4e10c087d83f673e41b0fc0a... Startdate: 11/01/2026 Architecture: WINDOWS Score: 100 60 shed.dual-low.part-0013.t-0009.t-msedge.net 2->60 62 shed.dual-low.part-0012.t-0009.t-msedge.net 2->62 64 4 other IPs or domains 2->64 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 13 other signatures 2->74 8 xbb4e10c087d83f673e41b0fc0a8e17a8caaadeb8ef1e.exe 2 2->8         started        11 xbb4e10c087d83f673e41b0fc0a8e17a8caaadeb8ef1e.exe 2 2 2->11         started        14 xbb4e10c087d83f673e41b0fc0a8e17a8caaadeb8ef1e.exe 3 2->14         started        17 7 other processes 2->17 signatures3 process4 dnsIp5 78 Detected unpacking (creates a PE file in dynamic memory) 8->78 80 Contains functionality to inject threads in other processes 8->80 82 Contains functionality to capture and log keystrokes 8->82 86 4 other signatures 8->86 19 cmd.exe 1 8->19         started        22 cmd.exe 1 8->22         started        24 cmd.exe 1 8->24         started        26 cmd.exe 1 8->26         started        56 C:\Users\user\AppData\...\nmcibbeeragadd.exe, PE32 11->56 dropped 58 C:\...\nmcibbeeragadd.exe:Zone.Identifier, ASCII 11->58 dropped 28 cmd.exe 1 11->28         started        32 3 other processes 11->32 66 43.157.212.233, 443, 45, 49718 LILLY-ASUS Japan 14->66 30 cmd.exe 14->30         started        34 3 other processes 14->34 84 Changes security center settings (notifications, updates, antivirus, firewall) 17->84 36 9 other processes 17->36 file6 signatures7 process8 signatures9 76 Uses schtasks.exe or at.exe to add and modify task schedules 19->76 38 2 other processes 19->38 40 2 other processes 22->40 42 2 other processes 24->42 44 2 other processes 26->44 46 2 other processes 28->46 48 2 other processes 30->48 50 6 other processes 32->50 52 6 other processes 34->52 54 17 other processes 36->54 process10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Malware.Doris
Status:
Malicious
First seen:
2026-01-10 13:18:00 UTC
File Type:
PE (Exe)
AV detection:
6 of 36 (16.67%)
Threat level:
  2/5
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery execution persistence
Behaviour
Modifies data under HKEY_USERS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Launches sc.exe
Drops file in System32 directory
Adds Run key to start application
Enumerates connected drives
Creates new service(s)
Drops startup file
Detects ValleyRAT payload
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
43.157.212.233:45
43.157.212.233:443
43.157.212.233:442
Verdict:
Malicious
Tags:
ProcessKiller
YARA:
n/a
Unpacked files
SH256 hash:
bb4e10c087d83f673e41b0fc0a8e17a8caaadeb8ef1e05b9f9bc220192f2803c
MD5 hash:
aa074dc54d8868d6444cdade76934c55
SHA1 hash:
aaadfc39cf78a7c358a8ced11e620e2418a88f32
Malware family:
ValleyRAT
Verdict:
Malicious
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: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: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:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:Rustyloader_mem_loose
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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