MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6756d5b5d0a22c057bd28bbd1bc0f937f2e875e2c7e565b4046646b0e92ceeab. 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: 13


Intelligence 13 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6756d5b5d0a22c057bd28bbd1bc0f937f2e875e2c7e565b4046646b0e92ceeab
SHA3-384 hash: 104fa3dbd158f58806e0c209221571729381b960df72b310152ec8a1d0e4108125c9d0f32c73cb5e7d8b2a623a3ceda1
SHA1 hash: 45024223e3627cbc380a25f842cbb11763ed01d2
MD5 hash: bbae243eff347d61e880f9e0048d92a8
humanhash: artist-mike-low-berlin
File name:远控病毒.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:2'103'763 bytes
First seen:2025-04-21 09:12:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 40ab50289f7ef5fae60801f88d4541fc (60 x ValleyRAT, 49 x Gh0stRAT, 41 x OffLoader)
ssdeep 24576:waE+hTNrCHtLfTfuM7Djr5QpYrao2rupZdH1gpUGwrGD9mBUIsMmOSguOQY12t1L:0+MRvHO9mUPOSh1nrZEjjy3T
Threatray 183 similar samples on MalwareBazaar
TLSH T17DA5C023F2CBE03EE05A1B3B05B2A16894FB6A616523AD5396ECB49CCF351501D3E747
TrID 49.8% (.EXE) Inno Setup installer (107240/4/30)
20.0% (.EXE) InstallShield setup (43053/19/16)
19.3% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
4.8% (.EXE) Win64 Executable (generic) (10522/11/4)
2.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 5050d270cccc82ae (109 x Adware.Generic, 43 x LummaStealer, 42 x OffLoader)
Reporter zhuzhu0009
Tags:exe ValleyRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
561
Origin country :
SG SG
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
远控病毒.exe
Verdict:
Malicious activity
Analysis date:
2025-04-21 09:32:09 UTC
Tags:
payload silverfox backdoor valleyrat winos rat
Link:
https://app.any.run/tasks/22462d0a-cdb0-46f3-9733-d8f16c67ff91

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/3231/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.18030.20982.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68060db32203b3e10cd227d2
Tags:
dropper spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Moving a recently created file
Launching a process
Searching for the window
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Changing a file
Launching a service
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP POST request
Enabling the 'hidden' option for recently created files
Creating a file in the Windows subdirectories
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context embarcadero_delphi fingerprint installer overlay overlay packed packer_detected
Link:
https://www.filescan.io/uploads/68060c2390767142c3dd8a67/reports/3baeaf33-4b0e-4e8b-9c51-434c50735eb0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/6756d5b5d0a22c057bd28bbd1bc0f937f2e875e2c7e565b4046646b0e92ceeab
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c2146899-e3cd-4733-b92b-a3d5b0b37eca
Result
Threat name:
GhostRat, ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1670226
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
Encrypted powershell cmdline option found
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected GhostRat
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1670226 Sample: #U8fdc#U63a7#U75c5#U6bd2.exe Startdate: 21/04/2025 Architecture: WINDOWS Score: 100 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 6 other signatures 2->70 9 #U8fdc#U63a7#U75c5#U6bd2.exe 2 2->9         started        12 WindowsEven.exe 3 1 2->12         started        16 rundll32.exe 2->16         started        18 OpenWith.exe 15 2->18         started        process3 dnsIp4 52 C:\Users\...\#U8fdc#U63a7#U75c5#U6bd2.tmp, PE32 9->52 dropped 20 #U8fdc#U63a7#U75c5#U6bd2.tmp 5 8 9->20         started        23 conhost.exe 9->23         started        62 182.16.89.234, 443, 49687, 49688 NETSEC-HKNETSECHK Hong Kong 12->62 74 Contains functionality to inject threads in other processes 12->74 76 Contains functionality to capture and log keystrokes 12->76 78 Contains functionality to inject code into remote processes 12->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 12->80 25 schtasks.exe 1 12->25         started        27 rundll32.exe 16->27         started        file5 signatures6 process7 file8 44 C:\Users\user\...\vcruntime140.dll (copy), PE32 20->44 dropped 46 C:\Users\user\AppData\...\msvcp140.dll (copy), PE32 20->46 dropped 48 C:\Users\user\AppData\Local\is-RK87R.tmp, PE32 20->48 dropped 50 6 other malicious files 20->50 dropped 29 down.exe 6 20->29         started        33 rundll32.exe 3 12 20->33         started        35 conhost.exe 25->35         started        process9 file10 54 C:\ProgramData\A706B2\vcruntime140.dll, PE32 29->54 dropped 56 C:\ProgramData\A706B2\msvcp140.dll, PE32 29->56 dropped 58 C:\ProgramData\A706B2\WindowsEven.exe, PE32 29->58 dropped 60 C:\ProgramData\A706B2\DataReport.dll, PE32 29->60 dropped 82 Encrypted powershell cmdline option found 29->82 37 powershell.exe 23 29->37         started        signatures11 process12 signatures13 72 Loading BitLocker PowerShell Module 37->72 40 WmiPrvSE.exe 37->40         started        42 conhost.exe 37->42         started        process14
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6756d5b5d0a22c057bd28bbd1bc0f937f2e875e2c7e565b4046646b0e92ceeab
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6756d5b5d0a22c057bd28bbd1bc0f937f2e875e2c7e565b4046646b0e92ceeab/
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-04-21 09:13:10 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
20 of 38 (52.63%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m5lnlnoquiwak66sro6rxqhzg7zoq5pcy7swlnaemzdlb2jm52vq._file
Verdict:
malicious
Label(s):
winos
Create hunting rule
Similar samples:
00247c4c6aa56c58e4661317a7c4253245d8280d1d07502c9cb0b23d675edf3f
ValleyRAT
54dc7635c51ecd94cfe8e45cbac2e52191867b9ff0465d778ee5a200bb832c22
ValleyRAT
6756d5b5d0a22c057bd28bbd1bc0f937f2e875e2c7e565b4046646b0e92ceeab
ValleyRAT
7197dc2e6243b3aa6ba71825c04b381a98922982de4232bb27474eb69ba43a28
ValleyRAT
dacdac1e333a1f45700e3707e617ff49c457226604f1ffa160fc3faf9b6810b3
ValleyRAT
e58f8591c90fe3e682ad50349a626e255664a749f0bb1ba57823d432c5d4fb71
ValleyRAT
error
ValleyRAT
f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e
ValleyRAT
+ 173 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery
Link:
https://tria.ge/reports/250421-k5999s1l17/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Enumerates connected drives
Obfuscated Files or Information: Command Obfuscation
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d93989f4-2083-4a0f-828b-3461a13d41c5
Unpacked files
SH256 hash:
6756d5b5d0a22c057bd28bbd1bc0f937f2e875e2c7e565b4046646b0e92ceeab
MD5 hash:
bbae243eff347d61e880f9e0048d92a8
SHA1 hash:
45024223e3627cbc380a25f842cbb11763ed01d2
Link:
https://www.unpac.me/results/507d43b6-9428-4ab5-9a1e-3fc38a6b9050/
SH256 hash:
322c72e5c22430e91673234d0b0ef91520796522ddfa9f879bc9e3b91de648a3
MD5 hash:
dcf91eb6c303c959a4a6e91544847ec6
SHA1 hash:
5467b051861ba1c7dbe30122e0c5b371d7981c07
Link:
https://www.unpac.me/results/507d43b6-9428-4ab5-9a1e-3fc38a6b9050/
SH256 hash:
73368083640462f8cd9c815d98d8ca5d6c5f37f8902bb9414b8a5ac74efb4738
MD5 hash:
a6efcdfb03488ff02f69e2022b37b0b9
SHA1 hash:
1e11021688664df09e81ee789f26e187a076485c
Link:
https://www.unpac.me/results/507d43b6-9428-4ab5-9a1e-3fc38a6b9050/
SH256 hash:
7d657078c90d63bad818e53fa3b3b265d67062fcb841657b06215986ae00680f
MD5 hash:
b9762072b935fd0a95ed6e087a6d8672
SHA1 hash:
f4b1c7f22455dea500294eefce534597c3123f11
Link:
https://www.unpac.me/results/507d43b6-9428-4ab5-9a1e-3fc38a6b9050/
SH256 hash:
d0c3a30328748bf58b7250c640cd5e7250560ee47251be988fac02ca46dbea6c
MD5 hash:
fd4e4530bc8c77a8ee6d8ad6deb8da12
SHA1 hash:
88b0a5021d138158ef897f49681112e7cea44979
Link:
https://www.unpac.me/results/507d43b6-9428-4ab5-9a1e-3fc38a6b9050/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6756d5b5d0a2/report/overview.html
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:Borland
Create hunting rule
Author:malware-lu
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_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Cape
Cape
https://www.capesandbox.com/analysis/3231/

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
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::ConvertSidToStringSidW
advapi32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
advapi32.dll::EqualSid
advapi32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
advapi32.dll::OpenThreadToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
kernel32.dll::GetVolumeInformationW
kernel32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageW
user32.dll::CreateWindowExW

Comments