MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 946fa8826403d58c6694d18b89af7bf80c078f792f9aae820ac9ced395450f63. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 946fa8826403d58c6694d18b89af7bf80c078f792f9aae820ac9ced395450f63
SHA3-384 hash: aa3c29299f4727c4d0ee870522268916c174dc9790708fae16ba2f6abc4ad0dc268df0d7d1b74fbe34710c5d9dc2210f
SHA1 hash: 51bc3becc236098b9fee553a6f811dab513f585a
MD5 hash: 839d91ad6b1ad96150fb2c31431ab21b
humanhash: violet-august-indigo-illinois
File name:New_Inquiry.scr
Download: download sample
Signature StormKitty
File size:637'440 bytes
First seen:2022-11-17 16:57:26 UTC
Last seen:2022-11-22 19:53:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:81w6sNLoD5jDqHBNfoD3UbRUPXzER/U/5s5BhcjZnbCkI:Kw67DYPbubEe/5djZnbCkI
TLSH T15ED428E9A893696ED5B9B36D55F1A840CBB38C724EC0AE2445683DC15C339D3B122DFC
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13097/50/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 80686041814381c4 (1 x StormKitty)
Reporter abuse_ch
Tags:exe scr StormKitty Telegram

Intelligence


File Origin
# of uploads :
4
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
New_Inquiry.scr
Verdict:
Malicious activity
Analysis date:
2022-11-17 17:05:58 UTC
Tags:
evasion stealer quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
hacktool packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
BluStealer, SpyEx, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected BluStealer
Yara detected SpyEx stealer
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 748736 Sample: New_Inquiry.scr.exe Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 8 other signatures 2->58 7 New_Inquiry.scr.exe 7 2->7         started        11 TJbEKIo.exe 5 2->11         started        process3 file4 36 C:\Users\user\AppData\Roaming\TJbEKIo.exe, PE32 7->36 dropped 38 C:\Users\user\...\TJbEKIo.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp6BA6.tmp, XML 7->40 dropped 42 C:\Users\user\...42ew_Inquiry.scr.exe.log, ASCII 7->42 dropped 60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 7->62 64 Adds a directory exclusion to Windows Defender 7->64 13 New_Inquiry.scr.exe 1 7->13         started        16 powershell.exe 21 7->16         started        18 schtasks.exe 1 7->18         started        66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 20 TJbEKIo.exe 11->20         started        22 schtasks.exe 11->22         started        signatures5 process6 signatures7 80 Writes to foreign memory regions 13->80 82 Allocates memory in foreign processes 13->82 84 Injects a PE file into a foreign processes 13->84 24 AppLaunch.exe 15 3 13->24         started        28 conhost.exe 16->28         started        30 conhost.exe 18->30         started        32 AppLaunch.exe 20->32         started        34 conhost.exe 22->34         started        process8 dnsIp9 44 icanhazip.com 104.18.115.97, 49700, 80 CLOUDFLARENETUS United States 24->44 46 246.229.1.0.in-addr.arpa 24->46 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->70 72 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->72 74 May check the online IP address of the machine 24->74 48 104.18.114.97, 49701, 80 CLOUDFLARENETUS United States 32->48 50 246.229.1.0.in-addr.arpa 32->50 76 Tries to steal Mail credentials (via file / registry access) 32->76 78 Tries to harvest and steal browser information (history, passwords, etc) 32->78 signatures10
Threat name:
Win32.Trojan.Taskun
Status:
Malicious
First seen:
2022-11-17 10:03:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:blustealer family:stormkitty collection evasion stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
BluStealer
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5412597166:AAGUaWxuTxxhNb-NRhiURcTMzuW9nhGoEs/sendMessage?chat_id=932962718
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
424cf3b27631c17d41ad70be08074e735417c273e609f0d35968a44cfda63116
MD5 hash:
a45bc17434311c30dc18c794f743a0d2
SHA1 hash:
c890ac625bc1847f3b4e6bac53744cb94e308e9b
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
946fa8826403d58c6694d18b89af7bf80c078f792f9aae820ac9ced395450f63
MD5 hash:
839d91ad6b1ad96150fb2c31431ab21b
SHA1 hash:
51bc3becc236098b9fee553a6f811dab513f585a
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_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

StormKitty

Executable exe 946fa8826403d58c6694d18b89af7bf80c078f792f9aae820ac9ced395450f63

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments