stormkitty | ab20abd2eaaab9922983e4abfcec5891f15b6d5d798e742476a933ef31d9263d

General

Target

4592-147-0x0000000000400000-0x0000000000422000-memory.exe
Size

136KB
MD5

c8305980d0258f9b45530a542a416c14
SHA1

64e0bb8ade5c4acf5318b9a2ec73a51e2bd95fd3
SHA256

ab20abd2eaaab9922983e4abfcec5891f15b6d5d798e742476a933ef31d9263d
SHA512

72c29a1d8e26f4e6d38f34c1c9716b308cb7a709a45f4d506da61921615a997a81c3098044413a11610a23ad8543abca2cf58f934286969443a5538f18f218bd
SSDEEP

1536:v7/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioLk2xzJo+e6yoi:TZTkLfhjFSiO3ohk2le6Q

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/2004-59-0x00000000001A0000-0x00000000001BA000-memory.dmp	family_stormkitty
behavioral1/memory/2004-60-0x00000000001B4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/2004-62-0x00000000001A0000-0x00000000001BA000-memory.dmp	family_stormkitty
behavioral1/memory/2004-64-0x00000000001A0000-0x00000000001BA000-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 1488 set thread context of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1488	4592-147-0x0000000000400000-0x0000000000422000-memory.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 1488 wrote to memory of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 1488 wrote to memory of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 1488 wrote to memory of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 1488 wrote to memory of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 1488 wrote to memory of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 1488 wrote to memory of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 1488 wrote to memory of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-memory.exe	27
PID 1488 wrote to memory of 2004	1488	4592-147-0x0000000000400000-0x0000000000422000-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\4592-147-0x0000000000400000-0x0000000000422000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\4592-147-0x0000000000400000-0x0000000000422000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1488
- 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:2004

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/1488-56-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/2004-57-0x00000000001A0000-0x00000000001BA000-memory.dmp

Filesize
104KB

Download
memory/2004-59-0x00000000001A0000-0x00000000001BA000-memory.dmp

Filesize
104KB

Download
memory/2004-62-0x00000000001A0000-0x00000000001BA000-memory.dmp

Filesize
104KB

Download
memory/2004-64-0x00000000001A0000-0x00000000001BA000-memory.dmp

Filesize
104KB

Download

Analysis

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