stormkitty | 68c21a10a73486a8ec05ca3b417c548e02f0745e3cb0385fae4839d67ed96bcd

Analysis

max time kernel
151s
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
25-08-2022 12:06

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General

Target

880-67-0x0000000000400000-0x0000000000422000-memory.exe
Size

136KB
MD5

24e22ce7892db9e990ad7af8b4301b72
SHA1

1dd749887f991720449a6d32543c2ca10df6818b
SHA256

68c21a10a73486a8ec05ca3b417c548e02f0745e3cb0385fae4839d67ed96bcd
SHA512

8b9b6e1157d2817fe92454ca4387eec740792b8caf3dfa186ef27a9811cd6dc7a815c154da37e1a7d7784a37f4276aef1ea979866a0552a74eeb6dc93988c262
SSDEEP

1536:nJA/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioSGZVmJ5mQNZ:nOZTkLfhjFSiO3oseG

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/4536-135-0x0000000000960000-0x000000000097A000-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 4684 set thread context of 4536	4684	880-67-0x0000000000400000-0x0000000000422000-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	4536	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4684	880-67-0x0000000000400000-0x0000000000422000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 4536	4684	880-67-0x0000000000400000-0x0000000000422000-memory.exe	83
PID 4684 wrote to memory of 4536	4684	880-67-0x0000000000400000-0x0000000000422000-memory.exe	83
PID 4684 wrote to memory of 4536	4684	880-67-0x0000000000400000-0x0000000000422000-memory.exe	83
PID 4684 wrote to memory of 4536	4684	880-67-0x0000000000400000-0x0000000000422000-memory.exe	83
PID 4684 wrote to memory of 4536	4684	880-67-0x0000000000400000-0x0000000000422000-memory.exe	83

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\880-67-0x0000000000400000-0x0000000000422000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\880-67-0x0000000000400000-0x0000000000422000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4684
- 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:4536

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/4536-135-0x0000000000960000-0x000000000097A000-memory.dmp

Filesize
104KB

Download
memory/4536-136-0x00000000051D0000-0x0000000005236000-memory.dmp

Filesize
408KB

Download
memory/4536-137-0x0000000005BA0000-0x0000000005C3C000-memory.dmp

Filesize
624KB

Download