stormkitty | bd6d1b130e5702e68f7940f58df1b1cf53b29390dfe0e4424dff567d3d2330c5

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 06:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4532-143-0x0000000000400000-0x0000000000425000-memory.exe
Size

148KB
MD5

735f44c1c75f9ad2268ec7f15b5effee
SHA1

d2956ee07da679bff71f1be4364e5abdcd9bee85
SHA256

bd6d1b130e5702e68f7940f58df1b1cf53b29390dfe0e4424dff567d3d2330c5
SHA512

7f8e7c24f840677fbeee72aacfc482b100f52fcb0b961478ae127230fae143d9ac57ddbba30cabaf1df44d62cb8941fc1b6a03ebc57aa35316ef8a58220038c6
SSDEEP

1536:LH7w/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioMZYCM99l8INLE2d7tXQQCy:LHgZTkLfhjFSiO3o6ZYC7C/dSI

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/4476-135-0x00000000001D0000-0x00000000001EA000-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
10	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3088 set thread context of 4476	3088	4532-143-0x0000000000400000-0x0000000000425000-memory.exe	82

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
3088	4532-143-0x0000000000400000-0x0000000000425000-memory.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4476	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3088	4532-143-0x0000000000400000-0x0000000000425000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 4476	3088	4532-143-0x0000000000400000-0x0000000000425000-memory.exe	82
PID 3088 wrote to memory of 4476	3088	4532-143-0x0000000000400000-0x0000000000425000-memory.exe	82
PID 3088 wrote to memory of 4476	3088	4532-143-0x0000000000400000-0x0000000000425000-memory.exe	82
PID 3088 wrote to memory of 4476	3088	4532-143-0x0000000000400000-0x0000000000425000-memory.exe	82
PID 3088 wrote to memory of 4476	3088	4532-143-0x0000000000400000-0x0000000000425000-memory.exe	82

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\4532-143-0x0000000000400000-0x0000000000425000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\4532-143-0x0000000000400000-0x0000000000425000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3088
- 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:4476

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4476-135-0x00000000001D0000-0x00000000001EA000-memory.dmp

Filesize
104KB

Download
memory/4476-136-0x0000000004990000-0x00000000049F6000-memory.dmp

Filesize
408KB

Download
memory/4476-137-0x0000000005350000-0x00000000053EC000-memory.dmp

Filesize
624KB

Download