stormkitty | d569cf8a839574dce7af4154ed9369c332bc9b1078c7132e550491641f430a43

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 4 IoCs

resource	yara_rule
behavioral1/memory/840-59-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/840-60-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/840-62-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/840-64-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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
3	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 860 set thread context of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27

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	840	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 860 wrote to memory of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 860 wrote to memory of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 860 wrote to memory of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 860 wrote to memory of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 860 wrote to memory of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 860 wrote to memory of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 860 wrote to memory of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 860 wrote to memory of 840	860	1484-59-0x0000000000400000-0x0000000000424000-memory.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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:860
- 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:840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/840-57-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/840-59-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/840-62-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/840-64-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/860-56-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download

Analysis

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