stormkitty | d569cf8a839574dce7af4154ed9369c332bc9b1078c7132e550491641f430a43

Analysis

max time kernel
151s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2022 11:18

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General

Target

1484-59-0x0000000000400000-0x0000000000424000-memory.exe
Size

144KB
MD5

4e2bfb6a6c6763c91351616895d3704e
SHA1

da397af3ce8ae87b224dc68d21961224dabb13e9
SHA256

d569cf8a839574dce7af4154ed9369c332bc9b1078c7132e550491641f430a43
SHA512

e5499a0ad96c80f63889bcef898601eca0498e0c2349837593b0d5d3ba2bd0ec6711c6f82558d1ed825d1a402c789489213548fcfd8f4a346c53af4084a796ea
SSDEEP

1536:r65/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioOO4yX5t4l7yYipC:r69ZTkLfhjFSiO3ocO4yX34lmYg

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/228-135-0x0000000000B80000-0x0000000000B9A000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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
23	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3644 set thread context of 228	3644	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	82

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	228	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3644	1484-59-0x0000000000400000-0x0000000000424000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 228	3644	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	82
PID 3644 wrote to memory of 228	3644	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	82
PID 3644 wrote to memory of 228	3644	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	82
PID 3644 wrote to memory of 228	3644	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	82
PID 3644 wrote to memory of 228	3644	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\1484-59-0x0000000000400000-0x0000000000424000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1484-59-0x0000000000400000-0x0000000000424000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3644
- 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:228

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/228-135-0x0000000000B80000-0x0000000000B9A000-memory.dmp

Filesize
104KB

Download
memory/228-136-0x0000000005110000-0x0000000005176000-memory.dmp

Filesize
408KB

Download
memory/228-137-0x0000000005BE0000-0x0000000005C7C000-memory.dmp

Filesize
624KB

Download