stormkitty | de78997747f793a2a8d9a4ab04b8e4d34820e87426f7d3b52c6fd0b02d2f266f

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
30-08-2022 15:28

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General

Target

1204-63-0x0000000000400000-0x0000000000424000-memory.exe
Size

144KB
MD5

acf3538ea70ef5d6065a52923b4ffffb
SHA1

6e5740d68755a26829d827127b5d2f18d1a075a0
SHA256

de78997747f793a2a8d9a4ab04b8e4d34820e87426f7d3b52c6fd0b02d2f266f
SHA512

0300a7a686a025fa9163389f6080064cd0bf927c0c1c716dc4b6c27aba65d227310c63f9b6505295d007a09cb33b1df254aec129216d3c08f907b14a2e7b55c9
SSDEEP

1536:UIn/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoViojC5yRto3gDwZC5h9mDxOWO:UI/ZTkLfhjFSiO3oKmM6h98

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/3000-135-0x0000000000570000-0x000000000058A000-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\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
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\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
18	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4916 set thread context of 3000	4916	1204-63-0x0000000000400000-0x0000000000424000-memory.exe	85

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
4916	1204-63-0x0000000000400000-0x0000000000424000-memory.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4916	1204-63-0x0000000000400000-0x0000000000424000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 3000	4916	1204-63-0x0000000000400000-0x0000000000424000-memory.exe	85
PID 4916 wrote to memory of 3000	4916	1204-63-0x0000000000400000-0x0000000000424000-memory.exe	85
PID 4916 wrote to memory of 3000	4916	1204-63-0x0000000000400000-0x0000000000424000-memory.exe	85
PID 4916 wrote to memory of 3000	4916	1204-63-0x0000000000400000-0x0000000000424000-memory.exe	85
PID 4916 wrote to memory of 3000	4916	1204-63-0x0000000000400000-0x0000000000424000-memory.exe	85

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\1204-63-0x0000000000400000-0x0000000000424000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1204-63-0x0000000000400000-0x0000000000424000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4916
- 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:3000

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/3000-135-0x0000000000570000-0x000000000058A000-memory.dmp

Filesize
104KB

Download
memory/3000-136-0x0000000004E00000-0x0000000004E66000-memory.dmp

Filesize
408KB

Download
memory/3000-137-0x00000000056A0000-0x000000000573C000-memory.dmp

Filesize
624KB

Download