MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 083f32718823d072b9f186806c23ac9cc63070d2b27296861d82c7db95d7cb6f. 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: 12


Intelligence 12 IOCs 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 083f32718823d072b9f186806c23ac9cc63070d2b27296861d82c7db95d7cb6f
SHA3-384 hash: 8d4ed50725a0f1e20aca5bb9279948598cff382843cea19f8714f6c2977bf47998a6704f24980f4d3d08a4a25e6b58b0
SHA1 hash: cab477ac9980955c7d8e9681cc8c61bd242e238c
MD5 hash: 3e4aff714c35874d15c3a75c02368591
humanhash: louisiana-delaware-mars-ink
File name:083f32718823d072b9f186806c23ac9cc63070d2b2729.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:149'504 bytes
First seen:2025-05-06 23:35:08 UTC
Last seen:2025-05-07 05:55:06 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash 1e4536d93f3a95c1a9616b43449852ef (1 x ValleyRAT)
ssdeep 3072:xazk1jkMkNqMlso+Dv7pJDe+5DE69HbrPXukbUkwWRgWfm+8d:xau3tomv7Xe+533PXhmp
Threatray 264 similar samples on MalwareBazaar
TLSH T1EFE36C06B881D037D66E1D3849718A619F6FBCB1DFE4AA4BA7840DF64E706C0CF39616
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:dll RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
69.165.70.166:6666

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
69.165.70.166:6666 https://threatfox.abuse.ch/ioc/1517157/

Intelligence

File Origin
# of uploads :
2
# of downloads :
513
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681a9d7d432e243ac3e4bd60
Tags:
injection virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context lolbin microsoft_visual_cc rundll32
Link:
https://www.filescan.io/uploads/681a9caf0b64e174c41ad666/reports/77119389-b391-478b-a2ad-a6ecc26e49e8/overview
Verdict:
Malicious
Labled as:
Injector.ESQQ trojan
Link:
https://www.hybrid-analysis.com/sample/083f32718823d072b9f186806c23ac9cc63070d2b27296861d82c7db95d7cb6f
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/02e13de2-d24e-44e8-af35-1406fc78588e
Result
Threat name:
GhostRat, ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1682795
Signature
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
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: Rundll32 Execution Without CommandLine Parameters
Sigma detected: Rundll32 Execution Without Parameters
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected GhostRat
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1682795 Sample: 083f32718823d072b9f186806c2... Startdate: 07/05/2025 Architecture: WINDOWS Score: 100 39 Suricata IDS alerts for network traffic 2->39 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 8 other signatures 2->45 8 loaddll32.exe 1 2->8         started        11 loaddll32.exe 1 2->11         started        13 rundll32.exe 2->13         started        process3 signatures4 47 Contains functionality to inject code into remote processes 8->47 15 rundll32.exe 8->15         started        18 rundll32.exe 8->18         started        20 cmd.exe 1 8->20         started        24 3 other processes 8->24 22 conhost.exe 11->22         started        process5 signatures6 49 Contains functionality to inject threads in other processes 15->49 51 Contains functionality to capture and log keystrokes 15->51 26 rundll32.exe 3 15->26         started        53 System process connects to network (likely due to code injection or exploit) 18->53 29 rundll32.exe 20->29         started        31 rundll32.exe 24->31         started        33 rundll32.exe 24->33         started        process7 dnsIp8 37 69.165.70.166, 49713, 49714, 49717 VPSQUANUS United States 26->37 35 rundll32.exe 29->35         started        process9
Score:
90%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/083f32718823d072b9f186806c23ac9cc63070d2b27296861d82c7db95d7cb6f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/083f32718823d072b9f186806c23ac9cc63070d2b27296861d82c7db95d7cb6f/
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-05-06 16:41:41 UTC
File Type:
PE (Dll)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ba7te4miepihfoprq2agyi5mttdda4gswjzjnbq5qld5xfoxznxq._file
Verdict:
malicious
Label(s):
winos
Create hunting rule
Similar samples:
485998e9c789a7d4b96e708fe6f2633f3230625e16b6f5f401f481d2afe880cd
ValleyRAT
7197dc2e6243b3aa6ba71825c04b381a98922982de4232bb27474eb69ba43a28
ValleyRAT
81d66c6ed1e60f646ac9a611fd80dcc82fb2de66690ae5d932f8f3aa42848127
ValleyRAT
aaa8e05b186b3582e87ae5ed47c1f7909a37e0472b773636fd2e1a0f49255dfd
ValleyRAT
aabc9116ca4443aee43399103831d9da04ee91de8519db474ccaf72794d4c136
ValleyRAT
e58f8591c90fe3e682ad50349a626e255664a749f0bb1ba57823d432c5d4fb71
ValleyRAT
error
ValleyRAT
+ 254 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Link:
https://tria.ge/reports/250506-3k3nssdk6t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Enumerates connected drives
Blocklisted process makes network request
Unpacked files
SH256 hash:
083f32718823d072b9f186806c23ac9cc63070d2b27296861d82c7db95d7cb6f
MD5 hash:
3e4aff714c35874d15c3a75c02368591
SHA1 hash:
cab477ac9980955c7d8e9681cc8c61bd242e238c
Link:
https://www.unpac.me/results/f1838567-f857-467c-92c4-880e93e65254/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/083f32718823/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/083f32718823d072b9f186806c23ac9cc63070d2b27296861d82c7db95d7cb6f

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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: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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

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