MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f. 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: 15


Intelligence 15 IOCs 1 YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f
SHA3-384 hash: 1f00bf2d382aee8125c9b9b9ecf124a08dbba808d4bab45446a838ad1762966d389752310414a0931794718c6e2ae25b
SHA1 hash: a4efdf1eb61e282ca28b1e578551b10d7fb2883d
MD5 hash: d024110d1f4fe0b49f380bfd0616235a
humanhash: minnesota-five-jersey-victor
File name:b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a58.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:5'734'432 bytes
First seen:2026-07-07 02:45:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d22381cfae0e69f47071aad66e3887af (1 x ValleyRAT)
ssdeep 98304:8y373G3+5cUOJHfWIXFeFLOAkGkzdnEVomFHKnPIS:XrNOQIXFeFLOyomFHKnPZ
TLSH T19646AE46AAAE10E8DCB6D07DC953891BD7B27C911331D78B0261ABAB6F333514D3E325
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 787c78fa87f7e6c4 (18 x Gh0stRAT, 11 x Pikabot, 9 x ManusCrypt)
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
137.220.152.107:8888

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
137.220.152.107:8888 https://threatfox.abuse.ch/ioc/1845897/

Intelligence

File Origin
# of uploads :
1
# of downloads :
177
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f.exe
Verdict:
Malicious activity
Analysis date:
2026-07-06 21:41:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/68febe57-6f21-4ec9-8eb9-1f49f95bbdd9

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/73179/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a4c20f232952f8351d0ab1e
Tags:
emotet cobalt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a service
Launching a service
Creating a process from a recently created file
Searching for synchronization primitives
Сreating synchronization primitives
Launching a process
Loading a suspicious library
Creating a file in the system32 directory
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun for a service
Connection attempt to an infection source
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-06T17:52:00Z UTC
Last seen:
2026-07-06T19:58:00Z UTC
Hits:
~100
Detections:
Trojan-Spy.Win32.Stealer.sb Trojan-Spy.Win32.KeyLogger.sbb Trojan.Win32.Shellcode.rcx PDM:Trojan.Win32.Generic Backdoor.Win32.Agentb.sb Backdoor.Agent.TCP.C&C Trojan.Win32.Shellcode.sb Trojan.Win32.Inject.sb Trojan.Win32.Inject.arcrr Backdoor.Win32.Xkcp.a Trojan.Win64.Agentb.sb Trojan-Spy.Win32.KeyLogger.sba
Link:
https://opentip.kaspersky.com/b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f/results?tab=lookup
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/826989fd-49c4-4a61-99db-a1632d70cd8c
Result
Threat name:
DonutLoader, ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1938273
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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 direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Joe Sandbox ML detected suspicious sample
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 delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected DonutLoader
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1938273 Sample: b8979e31b0e18fd57d4e0a7512e... Startdate: 07/07/2026 Architecture: WINDOWS Score: 100 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 6 other signatures 2->70 8 SafeCenterController.exe 5 2->8         started        12 b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a58.exe 12 9 2->12         started        15 Windows_system_deponcom.exe 1 2->15         started        17 svchost.exe 2->17         started        process3 dnsIp4 52 C:\ProgramData\...\SecurityProviderCore.dll, PE32+ 8->52 dropped 72 Antivirus detection for dropped file 8->72 74 Multi AV Scanner detection for dropped file 8->74 76 Contains functionality to inject threads in other processes 8->76 84 5 other signatures 8->84 19 Taskmgr.exe 1 8->19         started        62 137.220.152.107, 49697, 49704, 8888 BGPNETPTELTD-AS-APBGPNETPTELTDSG Hong Kong SAR China 12->62 54 C:\config\Windows_system_deponcom.exe, PE32 12->54 dropped 56 C:\config\SafeCenterController.exe, PE32+ 12->56 dropped 58 C:\config\Battle.net.exe, PE32+ 12->58 dropped 60 C:\config\Battle.net.exe:Zone.Identifier, ASCII 12->60 dropped 78 Unusual module load detection (module proxying) 12->78 80 Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT) 12->80 82 Found direct / indirect Syscall (likely to bypass EDR) 12->82 21 cmd.exe 1 12->21         started        23 cmd.exe 1 12->23         started        25 Battle.net.exe 2 15->25         started        28 WerFault.exe 17->28         started        file5 signatures6 process7 signatures8 30 conhost.exe 21->30         started        32 tasklist.exe 1 21->32         started        34 conhost.exe 23->34         started        36 tasklist.exe 1 23->36         started        86 Antivirus detection for dropped file 25->86 88 Multi AV Scanner detection for dropped file 25->88 90 Unusual module load detection (module proxying) 25->90 92 Found direct / indirect Syscall (likely to bypass EDR) 25->92 38 cmd.exe 25->38         started        40 cmd.exe 25->40         started        42 WerFault.exe 25->42         started        process9 process10 44 conhost.exe 38->44         started        46 tasklist.exe 1 38->46         started        48 conhost.exe 40->48         started        50 tasklist.exe 40->50         started       
Score:
84%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f/
Verdict:
Malicious
Threat:
Family.VALLEYRAT_S2
Link:
https://tip.neiki.dev/file/b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f
Threat name:
Win64.Backdoor.Valleyrat
Create hunting rule
Status:
Malicious
First seen:
2026-07-06 21:04:34 UTC
File Type:
PE+ (Exe)
Extracted files:
835
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xclz4mnq4gh5k7kobj2rf2paccowqmjp3gsyg7lc7syrvtsfpqxq._file
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery persistence ransomware
Link:
https://tria.ge/reports/260707-c89h5sdv6k/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Enumerates processes with tasklist
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Family: ValleyRat
Malware Config
C2 Extraction:
137.220.152.107:8888
137.220.152.149:8888
127.0.0.1:80
Unpacked files
SH256 hash:
b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f
MD5 hash:
d024110d1f4fe0b49f380bfd0616235a
SHA1 hash:
a4efdf1eb61e282ca28b1e578551b10d7fb2883d
Link:
https://www.unpac.me/results/3bffa29b-ea47-4f00-9191-09f19764a9c2/
SH256 hash:
cc3c6d032853fcdb5b59d8951539ec73ec276b2442825fe4756d1269beebc96b
MD5 hash:
e9cb3049f9039fa6a6bdea3d302d5793
SHA1 hash:
d22943aac1dbc633200cd7edeb05e82302fcb62e
Link:
https://www.unpac.me/results/3bffa29b-ea47-4f00-9191-09f19764a9c2/
SH256 hash:
f5449806ad50242a4df9186455434b5957f3fc2044d85a9f1d9135a542b678cc
MD5 hash:
e50f8a686d5b07fc45c12362147305ad
SHA1 hash:
8f3218a0915c75d331c277be1aa46bbd5a2c84d9
Link:
https://www.unpac.me/results/3bffa29b-ea47-4f00-9191-09f19764a9c2/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8979e31b0e1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/b8979e31b0e18fd57d4e0a7512e9e0109d68312fd9a5837d62fcb11ace457c2f

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:Check_OutputDebugStringA_iat
Create hunting rule
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: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: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:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
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_3055c14a
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

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/73179/

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