stormkitty | 1af56bfa1c4c997f43f363c4b654671dadfb4bc39f97b22f63883154f644a6e6

General

Target

8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe
Size

132KB
MD5

bee47439c4960e2728594ece9ad95ba7
SHA1

43f4b6f607dec5bec2a33e2fb4148c38de832490
SHA256

8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4
SHA512

ad84d419d61b63e36a6766ba90773b39270bf9c8e72373b52c1979097e73110f749fad0cfed5c4f233304ad0af4b6e753666911ff7db83475c16c38976c46382
SSDEEP

1536:MPM/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoViocIdus3h4b6P/C:MYZTkLfhjFSiO3oeIdlsqC

Score

10^/10

stormkitty collection 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/1020-59-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1020-60-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1020-62-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1020-64-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\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
3	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 380 set thread context of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.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	1020	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 380 wrote to memory of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe	27
PID 380 wrote to memory of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe	27
PID 380 wrote to memory of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe	27
PID 380 wrote to memory of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe	27
PID 380 wrote to memory of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe	27
PID 380 wrote to memory of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe	27
PID 380 wrote to memory of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe	27
PID 380 wrote to memory of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe	27
PID 380 wrote to memory of 1020	380	8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe
"C:\Users\Admin\AppData\Local\Temp\8a1902d9c0dbe388b28ef5a9c8ec4c0f1802fc6ccd43471ea337dcb3d71c81d4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:380
- 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:1020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/380-56-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1020-57-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1020-59-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1020-62-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1020-64-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download

Analysis

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