MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 edc325712bb62fcd4fe96f6bf63559449b9158b816768a8122dad070e8aaf44e. 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



StormKitty


Vendor detections: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: edc325712bb62fcd4fe96f6bf63559449b9158b816768a8122dad070e8aaf44e
SHA3-384 hash: b07383227dcabc6a8e70414e0f8bc9a38c1608d62751ce25c97230656602babddf5c787b9ec282b61d9d38aa005f06d1
SHA1 hash: fb19156b1aab033ed8b5212821a8b039a2c363d9
MD5 hash: e8285f01dff90fca4b37d4df7da03c4b
humanhash: angel-london-maine-nuts
File name:nj230708full.pdf.scr
Download: download sample
Signature StormKitty
File size:2'697'122 bytes
First seen:2024-11-13 17:41:06 UTC
Last seen:2024-11-13 17:41:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash be41bf7b8cc010b614bd36bbca606973 (195 x LummaStealer, 126 x DanaBot, 63 x Vidar)
ssdeep 49152:862EA6E97H+leX14OKwpGpKqYygbN3+3+C+m32sBHEAdpvQKQKd719O03WMl:862nJIO14OKT12Out22sBHXIKQe7e0x
TLSH T137C5339690AD244EE0702371356B27338E65DC58F230887F9398F78934B2799D97FA17
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
File icon (PE):PE icon
dhash icon 74e4d4d4ecf4d4d4 (23 x GuLoader, 20 x LummaStealer, 19 x AgentTesla)
Reporter smica83
Tags:exe HUN StormKitty

Intelligence


File Origin
# of uploads :
2
# of downloads :
529
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
nj230708full.pdf.scr
Verdict:
Malicious activity
Analysis date:
2024-11-13 17:44:17 UTC
Tags:
autoit autoit-loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
underscore autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Launching cmd.exe command interpreter
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:
installer masquerade microsoft_visual_cc overlay packed
Result
Threat name:
AsyncRAT, AveMaria, StormKitty, VenomRAT
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Drops PE files with a suspicious file extension
Found API chain indicative of sandbox detection
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Sigma detected: Drops script at startup location
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Search for Antivirus process
Sigma detected: Suspicious Command Patterns In Scheduled Task Creation
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes many files with high entropy
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected AveMaria stealer
Yara detected BrowserPasswordDump
Yara detected Generic Downloader
Yara detected Powershell download and execute
Yara detected StormKitty Stealer
Yara detected VenomRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1555331 Sample: nj230708full.pdf.scr.exe Startdate: 13/11/2024 Architecture: WINDOWS Score: 100 110 ldGbGMtXrGEEgvmsQPPgfGUzt.ldGbGMtXrGEEgvmsQPPgfGUzt 2->110 112 shed.dual-low.s-part-0017.t-0009.t-msedge.net 2->112 114 3 other IPs or domains 2->114 124 Malicious sample detected (through community Yara rule) 2->124 126 Yara detected BrowserPasswordDump 2->126 128 Yara detected VenomRAT 2->128 130 18 other signatures 2->130 12 nj230708full.pdf.scr.exe 42 2->12         started        16 wscript.exe 1 2->16         started        18 wscript.exe 2->18         started        20 winservices.exe 2->20         started        signatures3 process4 file5 102 C:\Users\user\AppData\Local\Temp\Wherever, data 12->102 dropped 104 C:\Users\user\AppData\Local\Temp\Waiver, data 12->104 dropped 106 C:\Users\user\AppData\Local\Temp\Shopping, data 12->106 dropped 108 24 other malicious files 12->108 dropped 142 Writes many files with high entropy 12->142 22 cmd.exe 3 12->22         started        144 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->144 26 EchoCraft.scr 16->26         started        28 EchoCraft.scr 18->28         started        30 conhost.exe 20->30         started        signatures6 process7 file8 96 C:\Users\user\AppData\Local\...\Tracks.pif, PE32 22->96 dropped 132 Drops PE files with a suspicious file extension 22->132 134 Uses schtasks.exe or at.exe to add and modify task schedules 22->134 136 Writes many files with high entropy 22->136 32 Tracks.pif 4 22->32         started        36 cmd.exe 2 22->36         started        38 conhost.exe 22->38         started        40 7 other processes 22->40 signatures9 process10 file11 88 C:\Users\user\AppData\Local\...choCraft.scr, PE32 32->88 dropped 90 C:\Users\user\AppData\Local\...\K, data 32->90 dropped 92 C:\Users\user\AppData\Local\...choCraft.js, ASCII 32->92 dropped 116 Drops PE files with a suspicious file extension 32->116 118 Writes to foreign memory regions 32->118 120 Writes many files with high entropy 32->120 122 Injects a PE file into a foreign processes 32->122 42 MSBuild.exe 32->42         started        46 cmd.exe 2 32->46         started        48 MSBuild.exe 32->48         started        50 cmd.exe 1 32->50         started        94 C:\Users\user\AppData\Local\Temp\186040\L, data 36->94 dropped signatures12 process13 file14 98 C:\Users\user\AppData\...\winservices.exe, PE32 42->98 dropped 138 Found many strings related to Crypto-Wallets (likely being stolen) 42->138 140 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 42->140 52 cmd.exe 42->52         started        54 cmd.exe 42->54         started        100 C:\Users\user\AppData\...choCraft.url, MS 46->100 dropped 56 conhost.exe 46->56         started        58 cmd.exe 48->58         started        60 cmd.exe 48->60         started        62 conhost.exe 50->62         started        64 schtasks.exe 1 50->64         started        signatures15 process16 process17 66 winservices.exe 52->66         started        68 conhost.exe 52->68         started        70 timeout.exe 52->70         started        72 conhost.exe 54->72         started        74 schtasks.exe 54->74         started        76 winservices.exe 58->76         started        82 2 other processes 58->82 78 conhost.exe 60->78         started        80 schtasks.exe 60->80         started        process18 84 conhost.exe 66->84         started        86 conhost.exe 76->86         started       
Threat name:
Win32.Spyware.AsyncRAT
Status:
Malicious
First seen:
2024-11-13 12:13:47 UTC
File Type:
PE (Exe)
Extracted files:
31
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:asyncrat family:stormkitty discovery rat stealer
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
Enumerates processes with tasklist
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
AsyncRat
Asyncrat family
StormKitty
StormKitty payload
Stormkitty family
Suspicious use of NtCreateUserProcessOtherParentProcess
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:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

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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