stormkitty | 2e7d002f58564a1b1fa0a9f2be1c2546554cb7d8f6a8819a9190fdbaba0a193f

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
24-08-2022 16:03

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General

Target

1364-62-0x0000000000400000-0x0000000000422000-memory.exe
Size

136KB
MD5

f8595e98380da913420ba9ebc5061f56
SHA1

ca5854ecc121e63b6569c356a775366a2d1886ef
SHA256

2e7d002f58564a1b1fa0a9f2be1c2546554cb7d8f6a8819a9190fdbaba0a193f
SHA512

9caa9891e6be83159165394ca5c93f766aa8d005db56f3e02c559a4a6e8b597df6e6bdaba3d86b94996229bcec9745063b6e4c42cb240a8ece275b688c6df24a
SSDEEP

1536:L/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoViorkfPPJICi5h3eF1:bZTkLfhjFSiO3odkfP7iHy

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/4708-135-0x0000000000F60000-0x0000000000F7A000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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
13	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4688 set thread context of 4708	4688	1364-62-0x0000000000400000-0x0000000000422000-memory.exe	83

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	4708	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4688	1364-62-0x0000000000400000-0x0000000000422000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 4708	4688	1364-62-0x0000000000400000-0x0000000000422000-memory.exe	83
PID 4688 wrote to memory of 4708	4688	1364-62-0x0000000000400000-0x0000000000422000-memory.exe	83
PID 4688 wrote to memory of 4708	4688	1364-62-0x0000000000400000-0x0000000000422000-memory.exe	83
PID 4688 wrote to memory of 4708	4688	1364-62-0x0000000000400000-0x0000000000422000-memory.exe	83
PID 4688 wrote to memory of 4708	4688	1364-62-0x0000000000400000-0x0000000000422000-memory.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\1364-62-0x0000000000400000-0x0000000000422000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1364-62-0x0000000000400000-0x0000000000422000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4688
- 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:4708

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/4708-135-0x0000000000F60000-0x0000000000F7A000-memory.dmp

Filesize
104KB

Download
memory/4708-136-0x0000000005700000-0x0000000005766000-memory.dmp

Filesize
408KB

Download
memory/4708-137-0x0000000006170000-0x000000000620C000-memory.dmp

Filesize
624KB

Download