stormkitty | 440d58456e2ad7a47bb3f259233b1e194af04b6bc00c0ae5ec7d9d776f58c43c

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 07:34

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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 1 IoCs

resource	yara_rule
behavioral2/memory/4736-135-0x0000000000D70000-0x0000000000D8A000-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

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
14	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4856 set thread context of 4736	4856	2036-61-0x0000000000400000-0x0000000000427000-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	4736	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4856	2036-61-0x0000000000400000-0x0000000000427000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 4736	4856	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	83
PID 4856 wrote to memory of 4736	4856	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	83
PID 4856 wrote to memory of 4736	4856	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	83
PID 4856 wrote to memory of 4736	4856	2036-61-0x0000000000400000-0x0000000000427000-memory.exe	83
PID 4856 wrote to memory of 4736	4856	2036-61-0x0000000000400000-0x0000000000427000-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\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:4856
- 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:4736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/4736-135-0x0000000000D70000-0x0000000000D8A000-memory.dmp

Filesize
104KB

Download
memory/4736-136-0x0000000005340000-0x00000000053A6000-memory.dmp

Filesize
408KB

Download
memory/4736-137-0x00000000012B0000-0x000000000134C000-memory.dmp

Filesize
624KB

Download