stormkitty | 3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2022 17:55

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General

Target

3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.exe
Size

132KB
MD5

986d46bd59fa8f0ec96a206312be5b01
SHA1

96b65230f6594524c3de2ebb717b1149e51625af
SHA256

3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122
SHA512

c8c7bafeed2193f508806a49faf5ff30ce98dccdb04dc6861e61346bb5869478e529c7fe9c5025efbba2c762cba25375d874972a5020a4a6a18441f8a8d34743
SSDEEP

1536:iks/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoViocI6VPTHBQTvpOr:iTZTkLfhjFSiO3oyI6f2s

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
behavioral1/memory/4788-135-0x0000000000760000-0x000000000077A000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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
17	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 4788	2512	3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.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	4788	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2512	3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 4788	2512	3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.exe	83
PID 2512 wrote to memory of 4788	2512	3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.exe	83
PID 2512 wrote to memory of 4788	2512	3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.exe	83
PID 2512 wrote to memory of 4788	2512	3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.exe	83
PID 2512 wrote to memory of 4788	2512	3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.exe
"C:\Users\Admin\AppData\Local\Temp\3cc67ef9b1c9978bc823e77db86d092e9f1df3062c4d98fc668920b7d7534122.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512
- 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:4788

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/4788-135-0x0000000000760000-0x000000000077A000-memory.dmp

Filesize
104KB

Download
memory/4788-136-0x0000000005030000-0x0000000005096000-memory.dmp

Filesize
408KB

Download
memory/4788-137-0x00000000059D0000-0x0000000005A6C000-memory.dmp

Filesize
624KB

Download