MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb1ee7fa3edcc9795877868ad56cf32b9d6c3d95ea59d348e55c2b5caf87a180. 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 14 File information Comments

SHA256 hash: cb1ee7fa3edcc9795877868ad56cf32b9d6c3d95ea59d348e55c2b5caf87a180
SHA3-384 hash: 337779f28902310d56d0abc9e178c9e0e6bbd5064acd0a028882c3e42fedb45332b46753b477d3bddae12f8199859aa2
SHA1 hash: 31e9c3078705e6f5943cbf92005b11865158d9e9
MD5 hash: f817291abd3d103e56a069c13bcfc2a1
humanhash: nevada-fanta-kilo-sink
File name:f817291abd3d103e56a069c13bcfc2a1.exe
Download: download sample
Signature ValleyRAT
File size:905'237 bytes
First seen:2025-08-17 18:25:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 32f3282581436269b3a75b6675fe3e08 (197 x LummaStealer, 123 x Rhadamanthys, 8 x CoinMiner)
ssdeep 12288:IqtBQ9D39UVTYUA8g3tMFo30R7Rce9pYOH6BDqsC4SxN8Zcrb/b/PUCN46BSG6x7:JE9RUCUA2pLN6BDqsvO8s3lYRxv7oli
Threatray 1'396 similar samples on MalwareBazaar
TLSH T1701523491BF8C071E6E34A7529F116446A3AB515A923C319AF4C6CCF16F4AD3CE20B7B
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
dhash icon d4f8ececf8e868b0 (1 x ValleyRAT)
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
118.107.32.137:1768

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
118.107.32.137:1768 https://threatfox.abuse.ch/ioc/1570509/

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f817291abd3d103e56a069c13bcfc2a1.exe
Verdict:
Malicious activity
Analysis date:
2025-08-17 18:26:12 UTC
Tags:
auto-startup autoit silverfox backdoor valley winos rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autoit emotet nsis
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Searching for the window
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a process from a recently created file
DNS request
Possible injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context infostealer installer microsoft_visual_cc obfuscated overlay packed packed packer_detected redcap startpage
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Detected CypherIt Packer
Drops PE files with a suspicious file extension
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Search for Antivirus process
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758890 Sample: Jy49y9jW5D.exe Startdate: 17/08/2025 Architecture: WINDOWS Score: 100 53 bg.microsoft.map.fastly.net 2->53 55 UUTTIEKiAPK.UUTTIEKiAPK 2->55 65 Suricata IDS alerts for network traffic 2->65 67 Found malware configuration 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 9 other signatures 2->71 11 Jy49y9jW5D.exe 22 2->11         started        14 wscript.exe 2->14         started        signatures3 process4 file5 47 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 11->47 dropped 17 cmd.exe 1 11->17         started        75 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->75 20 DemeterMapper.com 2 14->20         started        signatures6 process7 dnsIp8 61 Detected CypherIt Packer 17->61 63 Drops PE files with a suspicious file extension 17->63 23 cmd.exe 4 17->23         started        26 conhost.exe 17->26         started        57 118.107.32.137, 1768, 49697, 49698 BCPL-SGBGPNETGlobalASNSG Singapore 20->57 59 118.107.32.149, 1867, 49701, 49703 BCPL-SGBGPNETGlobalASNSG Singapore 20->59 signatures9 process10 file11 45 C:\Users\user\AppData\Local\...behaviorgrapheology.pif, PE32 23->45 dropped 28 Geology.pif 4 23->28         started        32 extrac32.exe 19 23->32         started        34 tasklist.exe 1 23->34         started        36 2 other processes 23->36 process12 file13 49 C:\Users\user\AppData\...\DemeterMapper.com, PE32 28->49 dropped 51 C:\Users\user\AppData\...\DemeterMapper.vbs, ASCII 28->51 dropped 73 Drops PE files with a suspicious file extension 28->73 38 cmd.exe 2 28->38         started        signatures14 process15 file16 43 C:\Users\user\AppData\...\DemeterMapper.url, MS 38->43 dropped 41 conhost.exe 38->41         started        process17
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
AutoIt Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2025-08-10 16:22:34 UTC
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates processes with tasklist
Enumerates connected drives
Drops startup file
Executes dropped EXE
Loads dropped DLL
Suspicious use of NtCreateUserProcessOtherParentProcess
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
118.107.32.137:1768
118.107.32.149:1867
118.107.32.152:1868
Unpacked files
SH256 hash:
cb1ee7fa3edcc9795877868ad56cf32b9d6c3d95ea59d348e55c2b5caf87a180
MD5 hash:
f817291abd3d103e56a069c13bcfc2a1
SHA1 hash:
31e9c3078705e6f5943cbf92005b11865158d9e9
SH256 hash:
bb4fb924885b8d6719cb88e7f231abcbb7c2a1c69be92a12ce7bb56bed9129e3
MD5 hash:
094ae615109634f48bede4a612e36fc8
SHA1 hash:
a8b8cbf4d8a7f368b3ae53090bab40a2793657eb
SH256 hash:
8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af
MD5 hash:
08e9796ca20c5fc5076e3ac05fb5709a
SHA1 hash:
07971d52dcbaa1054060073571ced046347177f7
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_NSIS_Nullsoft_Installer
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ValleyRAT
Author:NDA0E
Description:Detects ValleyRAT
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.

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
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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