stormkitty | b5fb29bbafca30ab9de1c27dc7256354e75c2dbf8dee4e5f821821f05fa490ae

General

Target

764-63-0x0000000000400000-0x0000000000424000-memory.exe
Size

144KB
MD5

257d7ac28402c7926a45d26a4011c8f3
SHA1

da937ccc7b250c119c5d83333f942cf9e16d5e3b
SHA256

b5fb29bbafca30ab9de1c27dc7256354e75c2dbf8dee4e5f821821f05fa490ae
SHA512

22ad358b3f8d1d13cbb07e312d5edbd933e31c5acc66d25a920108ffafc237c021e35f266b0086d1cec4e31a5e9aec41db486d866d5220e120a8dbe35c2fdc9c
SSDEEP

1536:YLW/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioBFo08HvUWPdoQwcOxiKDm:7ZTkLfhjFSiO3oLFo08HseyQwV

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/1380-59-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1380-60-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1380-62-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1380-64-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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 1504 set thread context of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-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 behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 1504 wrote to memory of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 1504 wrote to memory of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 1504 wrote to memory of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 1504 wrote to memory of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 1504 wrote to memory of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 1504 wrote to memory of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 1504 wrote to memory of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe	27
PID 1504 wrote to memory of 1380	1504	764-63-0x0000000000400000-0x0000000000424000-memory.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\764-63-0x0000000000400000-0x0000000000424000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\764-63-0x0000000000400000-0x0000000000424000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1504
- 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:1380

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/1380-57-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1380-59-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1380-62-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1380-64-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1504-56-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download

Analysis

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