stormkitty | f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612 | Triage

Analysis

max time kernel
104s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 17:30

Sharing

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General

Target

f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe
Size

1.3MB
MD5

e5d213e0ffc154950cf7010c24a19b41
SHA1

f0e8645bd1f7a8e78eded22c2d007f5a3b0872ff
SHA256

f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612
SHA512

e107dee3ae10ec18b2c08337ec17b4ba12c2783ba995cf7c82ab9b9cadcbf097f19a0160edd24571abf4834962a6e31f3b6687e959baf9bcacd9c4dcad204225
SSDEEP

24576:YobgY4gVG/9qziQ2ZljQia88k9dxBHjwT1JHXi3+ISufrov7myfCpfiODybcOUeL:Yobt4MG/9OiQaljQXjiBDaJHgdRzoDy/

Score

10^/10

stormkitty collection spyware stealer

Malware Config

Signatures

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4956-133-0x0000000000A80000-0x0000000000E9E000-memory.dmp	family_stormkitty
behavioral2/memory/4956-138-0x0000000000A80000-0x0000000000E9E000-memory.dmp	family_stormkitty

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

Email Collection

Processes:

f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.ipify.org
6 api.ipify.org
7 ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

pid	process
4956	f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe
4956	f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

pid	process
4956	f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe
4956	f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

description pid process

Token: SeDebugPrivilege 4956 f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

pid process

4956 f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

outlook_office_path 1 IoCs

Processes:

f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

outlook_win_path 1 IoCs

Processes:

f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe

C:\Users\Admin\AppData\Local\Temp\f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe
"C:\Users\Admin\AppData\Local\Temp\f9142ea94e536ab91fd1cbdd1729a8a59b39c1b5c86cd38017ceee8003770612.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4956-132-0x0000000000A80000-0x0000000000E9E000-memory.dmp

Filesize
4.1MB

Download
memory/4956-133-0x0000000000A80000-0x0000000000E9E000-memory.dmp

Filesize
4.1MB

Download
memory/4956-134-0x0000000007450000-0x00000000074B6000-memory.dmp

Filesize
408KB

Download
memory/4956-135-0x0000000007660000-0x00000000076F2000-memory.dmp

Filesize
584KB

Download
memory/4956-136-0x0000000007CB0000-0x0000000008254000-memory.dmp

Filesize
5.6MB

Download
memory/4956-137-0x0000000000A80000-0x0000000000E9E000-memory.dmp

Filesize
4.1MB

Download
memory/4956-138-0x0000000000A80000-0x0000000000E9E000-memory.dmp

Filesize
4.1MB

Download