stormkitty | 440d58456e2ad7a47bb3f259233b1e194af04b6bc00c0ae5ec7d9d776f58c43c

General

Target

2036-61-0x0000000000400000-0x0000000000427000-memory.exe
Size

156KB
MD5

db6bdd3c84ccc3f0815685330e2c38b6
SHA1

086d30ace85367c5dac28577afcd9622793a9517
SHA256

440d58456e2ad7a47bb3f259233b1e194af04b6bc00c0ae5ec7d9d776f58c43c
SHA512

bfd5360ef862fe06b4317e3e3b42cbb59906fc73dc2e179ce86682398908bfa67bc13ae5cc1984dc0016cc62c491ea4d2d9fceed16562e78ea7ce23533678e60
SSDEEP

1536:ep/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioUfW0Sou0WcWK22m7kqD:wZTkLfhjFSiO3oQ5Sou02Kb0/

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/1900-59-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1900-60-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1900-62-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1900-64-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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 1608 set thread context of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26

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	1900	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26
PID 1608 wrote to memory of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26
PID 1608 wrote to memory of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26
PID 1608 wrote to memory of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26
PID 1608 wrote to memory of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26
PID 1608 wrote to memory of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26
PID 1608 wrote to memory of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26
PID 1608 wrote to memory of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26
PID 1608 wrote to memory of 1900	1608	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	26

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\2036-61-0x0000000000400000-0x0000000000427000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\2036-61-0x0000000000400000-0x0000000000427000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1608
- 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:1900

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

Loading Replay Monitor...

Downloads

memory/1608-56-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1900-57-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1900-59-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1900-62-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1900-64-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing