stormkitty | cfa14ada14dc74ca0b94b46f0aab55627e4a7856ef2d958c76f75b9586067557

General

Target

1992-63-0x0000000000400000-0x0000000000422000-memory.exe
Size

136KB
MD5

076b2066e432c182f45f0df07108c29d
SHA1

4f2b76ca097927a300ae678a2d560dbba5213286
SHA256

cfa14ada14dc74ca0b94b46f0aab55627e4a7856ef2d958c76f75b9586067557
SHA512

23ae152cb55042fcc7b0ffe36f498bb270ed03f8476fe2d1ea1399ddcf4a114de17dc8566ecaefeb7d794667b2e8b835c6b2b8ad777e4c84a96301ee3d0158e7
SSDEEP

1536:9/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioRtkJwhidcIbtTc:ZZTkLfhjFSiO3orXiWId

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/1144-59-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1144-60-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1144-62-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1144-64-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
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

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 1100 set thread context of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28

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	1144	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28
PID 1100 wrote to memory of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28
PID 1100 wrote to memory of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28
PID 1100 wrote to memory of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28
PID 1100 wrote to memory of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28
PID 1100 wrote to memory of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28
PID 1100 wrote to memory of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28
PID 1100 wrote to memory of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28
PID 1100 wrote to memory of 1144	1100	1992-63-0x0000000000400000-0x0000000000422000-memory.exe	28

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\1992-63-0x0000000000400000-0x0000000000422000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1992-63-0x0000000000400000-0x0000000000422000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1100
- 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:1144

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

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Downloads

memory/1100-56-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1144-57-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1144-59-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1144-62-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1144-64-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download

Analysis

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