MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a. 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 36 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a
SHA3-384 hash: 07474e85d6fa5552c797c2cdf05d5028df3b02c1c0fff6ee1cf89a7c0f026a232215f3560ba8af15762014eeb7c15ed5
SHA1 hash: 9275001a9d06f342348a4b4c8f6299b41e6da5e2
MD5 hash: 4924da7878d5e94f8e9b6692ede0c96e
humanhash: leopard-island-salami-purple
File name:87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:8'323'072 bytes
First seen:2026-01-28 16:15:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1aae8bf580c846f39c71c05898e57e88 (246 x LummaStealer, 97 x SalatStealer, 18 x ValleyRAT)
ssdeep 98304:vfwAmgrE0EOzsbRiOCJQ13lt/Etyx7RCfRa/7pN9QIoizoag/YFy:vd5jWd1VtcoZRCRa/7pk3iO/YFy
Threatray 774 similar samples on MalwareBazaar
TLSH T19D867B01FE8B59F6EA43263055A7B26F63349C054F36CBD7EB507B3AE9732911832219
TrID 55.3% (.EXE) InstallShield setup (43053/19/16)
13.5% (.EXE) Win64 Executable (generic) (10522/11/4)
8.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.7% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
45.207.199.109:10801

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
45.207.199.109:10801 https://threatfox.abuse.ch/ioc/1738592/

Intelligence

File Origin
# of uploads :
1
# of downloads :
180
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a.exe
Verdict:
Malicious activity
Analysis date:
2026-01-28 15:55:13 UTC
Tags:
auto-reg golang
Link:
https://app.any.run/tasks/4b99e4e3-d1d1-4428-aa39-7f71a1e07495

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/50527/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=697a31636fa3eed1652ff109
Tags:
vmdetect emotet lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Moving a file to the %AppData% subdirectory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-28T12:45:00Z UTC
Last seen:
2026-01-30T06:22:00Z UTC
Hits:
~100
Detections:
Trojan-Downloader.Win32.Gomal.sb Trojan-Downloader.Win32.Gomal.bpqc PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/186c3928-a5ff-4ccb-9bd3-ee94287bf650
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1859169
Signature
Antivirus detection for dropped file
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
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Found pyInstaller with non standard icon
Joe Sandbox ML detected suspicious sample
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)
Uses known network protocols on non-standard ports
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1859169 Sample: 87301b1942b5261c3fe8bf8a05d... Startdate: 28/01/2026 Architecture: WINDOWS Score: 100 79 Suricata IDS alerts for network traffic 2->79 81 Found malware configuration 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 4 other signatures 2->85 10 87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8.exe 2 2->10         started        13 87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8.exe 2 2->13         started        15 87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8.exe 1 2->15         started        process3 file4 61 87301b1942b5261c3f...35b6437239ed9c8.exe, PE32 10->61 dropped 17 87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8.exe 1 1 10->17         started        21 conhost.exe 10->21         started        63 C:\Users\user\AppData\...\ShellHost.tmp, data 13->63 dropped 23 conhost.exe 13->23         started        25 cmd.exe 1 13->25         started        27 conhost.exe 15->27         started        29 cmd.exe 15->29         started        process5 dnsIp6 73 45.207.199.73, 3000, 49715 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 17->73 47 C:\Users\user\AppData\...\ShellHost.exe, PE32+ 17->47 dropped 31 ShellHost.exe 12 17->31         started        file7 process8 file9 65 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 31->65 dropped 67 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 31->67 dropped 69 C:\Users\user\AppData\Local\...\python311.dll, PE32+ 31->69 dropped 71 7 other malicious files 31->71 dropped 77 Found pyInstaller with non standard icon 31->77 35 ShellHost.exe 3 31->35         started        signatures10 process11 file12 49 C:\Users\user\AppData\...\tmpf81t5leh.exe, PE32 35->49 dropped 51 C:\Users\user\AppData\...\tmpd4l9z3k5.exe, PE32+ 35->51 dropped 38 tmpd4l9z3k5.exe 19 35->38         started        41 tmpf81t5leh.exe 10 1 35->41         started        process13 dnsIp14 53 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 38->53 dropped 55 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 38->55 dropped 57 C:\Users\user\AppData\Local\...\python311.dll, PE32+ 38->57 dropped 59 14 other malicious files 38->59 dropped 45 tmpd4l9z3k5.exe 38->45         started        75 45.207.199.109 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 41->75 87 Antivirus detection for dropped file 41->87 89 Multi AV Scanner detection for dropped file 41->89 91 Detected unpacking (creates a PE file in dynamic memory) 41->91 93 4 other signatures 41->93 file15 signatures16 process17
Score:
68%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a/
Verdict:
Malicious
Threat:
Family.VALLEYRAT_S2
Link:
https://tip.neiki.dev/file/87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a
Threat name:
Win32.Backdoor.Valleyrat
Create hunting rule
Status:
Suspicious
First seen:
2026-01-28 15:55:14 UTC
File Type:
PE (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q4ybwgkcwutbyp7ix6falvtdgw3eg4rz5woiv6xk3iii27xerefa._file
Verdict:
malicious
Label(s):
valleyrat
Create hunting rule
Similar samples:
20345444345bd52792cca8ae1d44f341d77e76efd42221e17011875de4d69312
ValleyRAT
484b2e2b39e55fd329904f521ca747cdabbd9cbf9b0609e4536b44bff537de3c
ValleyRAT
5f3dee4cdef798f48715978833c8a4ab18c05ff62bd67029210113feca19321a
ValleyRAT
87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a
ValleyRAT
9df6fd2f1d5f61b2cce03f7ed80405b9a2497e7d828526371e6abbd4d9727829
ValleyRAT
e2a93c5f24177b85a6eb9f74c09a975760c06e351ef72b7ca91e4b3271b7c178
ValleyRAT
error
ValleyRAT
f2d2937fd6d4d4f77051673cc6059240ea57c0b19d02ae49adf02ca622af67db
ValleyRAT
+ 764 additional samples on MalwareBazaar
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery persistence pyinstaller spyware stealer
Link:
https://tria.ge/reports/260128-tqmp4afx7a/
Behaviour
GoLang User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Detects Pyinstaller
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Adds Run key to start application
Enumerates connected drives
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Detects ValleyRAT payload
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
45.207.199.109:10801
127.0.0.1:80
Unpacked files
SH256 hash:
87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a
MD5 hash:
4924da7878d5e94f8e9b6692ede0c96e
SHA1 hash:
9275001a9d06f342348a4b4c8f6299b41e6da5e2
Link:
https://www.unpac.me/results/8aecb14d-ca40-440a-a13e-2ea5758ca0fb/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87301b1942b5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/87301b1942b5261c3fe8bf8a05d66335b6437239ed9c8afaeada108d7ee4890a

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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/50527/

Comments