stormkitty | 34df23156bed123d9fa7e52de2d1dedbf12d542f4bea0686e58ef284a8447eb2

General

Target

1736-61-0x0000000000400000-0x0000000000421000-memory.exe
Size

132KB
MD5

0396c5b0a9bce41e7ee1040070600a4e
SHA1

be51b6e27d3ff9eec578f4ae916038b84f3a64d9
SHA256

34df23156bed123d9fa7e52de2d1dedbf12d542f4bea0686e58ef284a8447eb2
SHA512

3625d276efbf099f32657d0453b42e3826bc84894787e9cc57ebd4472a6988010e9f495d7081893a299f77eaf0e4de371974d85ee3d1b0dc01019820876fed63
SSDEEP

1536:iks/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoViocI6VPTHBQTvpO:iTZTkLfhjFSiO3oyI6f2

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/2008-59-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/2008-60-0x00000000000E4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/2008-62-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/2008-64-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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 1648 set thread context of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28

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	2008	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28
PID 1648 wrote to memory of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28
PID 1648 wrote to memory of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28
PID 1648 wrote to memory of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28
PID 1648 wrote to memory of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28
PID 1648 wrote to memory of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28
PID 1648 wrote to memory of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28
PID 1648 wrote to memory of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28
PID 1648 wrote to memory of 2008	1648	1736-61-0x0000000000400000-0x0000000000421000-memory.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\1736-61-0x0000000000400000-0x0000000000421000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1736-61-0x0000000000400000-0x0000000000421000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648
- 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:2008

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/1648-56-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download
memory/2008-57-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/2008-59-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/2008-62-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/2008-64-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download

Analysis

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