stormkitty | 5fcd4e3a9fcbd19f89d73919311d52abdcf95994123942ac533e60a9f198e1d6

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2022 10:42

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General

Target

888-133-0x0000000000400000-0x0000000000424000-memory.exe
Size

144KB
MD5

21080c64225c8f730626c293703cc378
SHA1

574eb72eefc0264c2149daae53fd26c5494b6071
SHA256

5fcd4e3a9fcbd19f89d73919311d52abdcf95994123942ac533e60a9f198e1d6
SHA512

1114cdbd08afba2798a61c3b600a0781290bea0497c243e97bc27f0983627e98e0452df1640f7799c184fe0d57a9e5199f37edc10208e9b37cb6a9555f3b2942
SSDEEP

1536:r65/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioOO4yX5t4l7yYipCa:r69ZTkLfhjFSiO3ocO4yX34lmYg9

Score

10^/10

stormkitty collection spyware 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/4344-135-0x00000000009D0000-0x00000000009EA000-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

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

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
10	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4632 set thread context of 4344	4632	888-133-0x0000000000400000-0x0000000000424000-memory.exe	83

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4344	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4632	888-133-0x0000000000400000-0x0000000000424000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 4344	4632	888-133-0x0000000000400000-0x0000000000424000-memory.exe	83
PID 4632 wrote to memory of 4344	4632	888-133-0x0000000000400000-0x0000000000424000-memory.exe	83
PID 4632 wrote to memory of 4344	4632	888-133-0x0000000000400000-0x0000000000424000-memory.exe	83
PID 4632 wrote to memory of 4344	4632	888-133-0x0000000000400000-0x0000000000424000-memory.exe	83
PID 4632 wrote to memory of 4344	4632	888-133-0x0000000000400000-0x0000000000424000-memory.exe	83

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\888-133-0x0000000000400000-0x0000000000424000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\888-133-0x0000000000400000-0x0000000000424000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4632
- 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:4344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/4344-135-0x00000000009D0000-0x00000000009EA000-memory.dmp

Filesize
104KB

Download
memory/4344-136-0x0000000005010000-0x0000000005076000-memory.dmp

Filesize
408KB

Download
memory/4344-137-0x0000000005AE0000-0x0000000005B7C000-memory.dmp

Filesize
624KB

Download