stormkitty | 18ece9865b3675b8174634701d40f210a84bd9ea45f873805a3e76834010e1db

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2022 06:39

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General

Target

224-142-0x0000000000400000-0x0000000000422000-memory.exe
Size

136KB
MD5

6df013737da07944a035c54be0b8d277
SHA1

5243ec686afc79ef200386b5e6e4ac169db7eee5
SHA256

18ece9865b3675b8174634701d40f210a84bd9ea45f873805a3e76834010e1db
SHA512

9b19478b837aa665716f57d29469aad0adf9654b58a4712271c55cad6b804ca69d4ebeac3b575035c3695626cbfb5cd1f530c8d5ae7ec768f036e26b99e82a33
SSDEEP

1536:9/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioRtkJwhidcIbtTcY:ZZTkLfhjFSiO3orXiWId1

Score

10^/10

stormkitty collection stealer

Malware Config

Signatures

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/4964-135-0x00000000005B0000-0x00000000005CA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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
11	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1300 set thread context of 4964	1300	224-142-0x0000000000400000-0x0000000000422000-memory.exe	80

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	4964	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1300	224-142-0x0000000000400000-0x0000000000422000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 4964	1300	224-142-0x0000000000400000-0x0000000000422000-memory.exe	80
PID 1300 wrote to memory of 4964	1300	224-142-0x0000000000400000-0x0000000000422000-memory.exe	80
PID 1300 wrote to memory of 4964	1300	224-142-0x0000000000400000-0x0000000000422000-memory.exe	80
PID 1300 wrote to memory of 4964	1300	224-142-0x0000000000400000-0x0000000000422000-memory.exe	80
PID 1300 wrote to memory of 4964	1300	224-142-0x0000000000400000-0x0000000000422000-memory.exe	80

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\224-142-0x0000000000400000-0x0000000000422000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\224-142-0x0000000000400000-0x0000000000422000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1300
- 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:4964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/4964-135-0x00000000005B0000-0x00000000005CA000-memory.dmp

Filesize
104KB

Download
memory/4964-136-0x0000000004BF0000-0x0000000004C56000-memory.dmp

Filesize
408KB

Download
memory/4964-137-0x0000000005540000-0x00000000055DC000-memory.dmp

Filesize
624KB

Download