stormkitty | 38092921cc69bb5b7cb9a5edd3283616a0f80a3a29e5a536e705dd1b12cd6838

Analysis

max time kernel
152s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2022 11:58

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General

Target

764-67-0x0000000000400000-0x0000000000424000-memory.exe
Size

144KB
MD5

14c657f71a5f49e43784c5e421c6f6b3
SHA1

e4b622ac581ddb765df6bb5fcca47e6783658a7f
SHA256

38092921cc69bb5b7cb9a5edd3283616a0f80a3a29e5a536e705dd1b12cd6838
SHA512

1eb0c493c1a4f8a973dda00a8e08ae98cb408226a4ff215117a66cab87148272f34f1eb5cb4072bbf58435d0d91f60e64c07e809b11c72541f15751faa3e92bb
SSDEEP

1536:fSV/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoViow8KLNH7auPyzjbu:feZTkLfhjFSiO3omBNWuaz/

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/3644-135-0x0000000000970000-0x000000000098A000-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
25	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4508 set thread context of 3644	4508	764-67-0x0000000000400000-0x0000000000424000-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 behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4508	764-67-0x0000000000400000-0x0000000000424000-memory.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3644	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4508	764-67-0x0000000000400000-0x0000000000424000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 3644	4508	764-67-0x0000000000400000-0x0000000000424000-memory.exe	83
PID 4508 wrote to memory of 3644	4508	764-67-0x0000000000400000-0x0000000000424000-memory.exe	83
PID 4508 wrote to memory of 3644	4508	764-67-0x0000000000400000-0x0000000000424000-memory.exe	83
PID 4508 wrote to memory of 3644	4508	764-67-0x0000000000400000-0x0000000000424000-memory.exe	83
PID 4508 wrote to memory of 3644	4508	764-67-0x0000000000400000-0x0000000000424000-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\764-67-0x0000000000400000-0x0000000000424000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\764-67-0x0000000000400000-0x0000000000424000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4508
- 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:3644

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/3644-135-0x0000000000970000-0x000000000098A000-memory.dmp

Filesize
104KB

Download
memory/3644-136-0x00000000051F0000-0x0000000005256000-memory.dmp

Filesize
408KB

Download
memory/3644-137-0x0000000005CC0000-0x0000000005D5C000-memory.dmp

Filesize
624KB

Download