stormkitty | 34df23156bed123d9fa7e52de2d1dedbf12d542f4bea0686e58ef284a8447eb2

Analysis

max time kernel
151s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2022 10:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1736-61-0x0000000000400000-0x0000000000421000-memory.exe
Size

132KB
MD5

0396c5b0a9bce41e7ee1040070600a4e
SHA1

be51b6e27d3ff9eec578f4ae916038b84f3a64d9
SHA256

34df23156bed123d9fa7e52de2d1dedbf12d542f4bea0686e58ef284a8447eb2
SHA512

3625d276efbf099f32657d0453b42e3826bc84894787e9cc57ebd4472a6988010e9f495d7081893a299f77eaf0e4de371974d85ee3d1b0dc01019820876fed63
SSDEEP

1536:iks/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoViocI6VPTHBQTvpO:iTZTkLfhjFSiO3oyI6f2

Score

10^/10

stormkitty collection stealer

Malware Config

Signatures

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/4756-135-0x0000000000DE0000-0x0000000000DFA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
17	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 4756	1900	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4756	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1900	1736-61-0x0000000000400000-0x0000000000421000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 4756	1900	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	84
PID 1900 wrote to memory of 4756	1900	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	84
PID 1900 wrote to memory of 4756	1900	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	84
PID 1900 wrote to memory of 4756	1900	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	84
PID 1900 wrote to memory of 4756	1900	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\1736-61-0x0000000000400000-0x0000000000421000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1736-61-0x0000000000400000-0x0000000000421000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4756-135-0x0000000000DE0000-0x0000000000DFA000-memory.dmp

Filesize
104KB

Download
memory/4756-136-0x0000000005650000-0x00000000056B6000-memory.dmp

Filesize
408KB

Download
memory/4756-137-0x0000000005FF0000-0x000000000608C000-memory.dmp

Filesize
624KB

Download