stormkitty | 1bc75cf24c2ab70e4cd6c98ffe69eaeae47e9bd90b9e0f5a2bf97bff553f85cb

General

Target

624-147-0x0000000000400000-0x0000000000422000-memory.exe
Size

136KB
MD5

66b734e0d570c5cb3719c2ae3799fb9f
SHA1

eb57c70683f468b24f1ad22fa11738cbf59b76d9
SHA256

1bc75cf24c2ab70e4cd6c98ffe69eaeae47e9bd90b9e0f5a2bf97bff553f85cb
SHA512

6f6b00bf580ba92ce2b6c160cdaf1067d8c1c3adf895baf52b4c6ab6647409653f2680d624dc738a67f10b8a4cf9799fb63f91872171e9f2de23010470c46242
SSDEEP

1536:t/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoViokHdJQwFrXjm3C:JZTkLfhjFSiO3o6/FHIC

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/1872-59-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1872-60-0x00000000000E4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1872-62-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1872-64-0x00000000000D0000-0x00000000000EA000-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 780 set thread context of 1872	780	624-147-0x0000000000400000-0x0000000000422000-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	1872	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
780	624-147-0x0000000000400000-0x0000000000422000-memory.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 1872	780	624-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 780 wrote to memory of 1872	780	624-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 780 wrote to memory of 1872	780	624-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 780 wrote to memory of 1872	780	624-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 780 wrote to memory of 1872	780	624-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 780 wrote to memory of 1872	780	624-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 780 wrote to memory of 1872	780	624-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 780 wrote to memory of 1872	780	624-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 780 wrote to memory of 1872	780	624-147-0x0000000000400000-0x0000000000422000-memory.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\624-147-0x0000000000400000-0x0000000000422000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\624-147-0x0000000000400000-0x0000000000422000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:780
- 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:1872

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

Replay Monitor

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Downloads

memory/780-56-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1872-57-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1872-59-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1872-62-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1872-64-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download

Analysis

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