stormkitty | e88a5e6bdede20e8874eb9570e626dd84181349050da2d2108213cbe10f22356

General

Target

3096-160-0x0000000000400000-0x0000000000425000-memory.exe
Size

148KB
MD5

0a9715a586d2269fa1c5886a81619e12
SHA1

3fe6173dfb1f5ba7cf7a9f6637387662fad0809a
SHA256

e88a5e6bdede20e8874eb9570e626dd84181349050da2d2108213cbe10f22356
SHA512

3b9527fd26c4a2ab672c5266a549ac1c862e3bcd3b6a517f7aaa00456230ec0a4df9dcfa23834d38ae243cf977c3718b9aee322d443d32d29b705145f2d64066

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/948-59-0x0000000000190000-0x00000000001AA000-memory.dmp	family_stormkitty
behavioral1/memory/948-60-0x00000000001A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/948-62-0x0000000000190000-0x00000000001AA000-memory.dmp	family_stormkitty
behavioral1/memory/948-64-0x0000000000190000-0x00000000001AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\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 864 set thread context of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.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 behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe	27
PID 864 wrote to memory of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe	27
PID 864 wrote to memory of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe	27
PID 864 wrote to memory of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe	27
PID 864 wrote to memory of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe	27
PID 864 wrote to memory of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe	27
PID 864 wrote to memory of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe	27
PID 864 wrote to memory of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe	27
PID 864 wrote to memory of 948	864	3096-160-0x0000000000400000-0x0000000000425000-memory.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\3096-160-0x0000000000400000-0x0000000000425000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\3096-160-0x0000000000400000-0x0000000000425000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:864
- 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:948

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/864-56-0x0000000075141000-0x0000000075143000-memory.dmp

Filesize
8KB

Download
memory/948-57-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/948-59-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/948-62-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/948-64-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download

Analysis

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