stormkitty | fafa8057f024c7a3c30e48b63d05d712e7de1f2f38f592a03cabbe8917942a89

General

Target

f7e5a5c100fcf5a248dfe0424bc5bbdc.exe
Size

132KB
MD5

f7e5a5c100fcf5a248dfe0424bc5bbdc
SHA1

05fab29b3f901ea56ebc0d5e240aa747aa44ee4f
SHA256

fafa8057f024c7a3c30e48b63d05d712e7de1f2f38f592a03cabbe8917942a89
SHA512

048b661425a63033980b1253bd0e8e24de0eb6ea230e24c46eec965371cd74f7ebd27ae004f6ee006abb48879fa3258ff6d4d049380ea8da57cda5953fb91bf2

Score

10^/10

stormkitty collection stealer

Malware Config

Signatures

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

StormKitty payload 4 IoCs

resource	yara_rule
behavioral1/memory/996-60-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/996-59-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/996-62-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/996-64-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Office\16.0\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
3	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1920 set thread context of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27

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	996	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27
PID 1920 wrote to memory of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27
PID 1920 wrote to memory of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27
PID 1920 wrote to memory of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27
PID 1920 wrote to memory of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27
PID 1920 wrote to memory of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27
PID 1920 wrote to memory of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27
PID 1920 wrote to memory of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27
PID 1920 wrote to memory of 996	1920	f7e5a5c100fcf5a248dfe0424bc5bbdc.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\f7e5a5c100fcf5a248dfe0424bc5bbdc.exe
"C:\Users\Admin\AppData\Local\Temp\f7e5a5c100fcf5a248dfe0424bc5bbdc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920
- 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:996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/996-57-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/996-59-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/996-62-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/996-64-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1920-56-0x00000000754C1000-0x00000000754C3000-memory.dmp

Filesize
8KB

Download

Analysis

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