stormkitty | 953b70a254e916b3f3c243b724e86ad7089e5683958e8b7ea743efd4c374a269

Analysis

max time kernel
54s
max time network
112s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
19-01-2023 11:55

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General

Target

mods menu gta.exe
Size

1.1MB
MD5

7615fb83ceebb11399c16d37c2fa44a9
SHA1

d1b4659e1bdb35d0608fe4a977eb34e09ac94725
SHA256

953b70a254e916b3f3c243b724e86ad7089e5683958e8b7ea743efd4c374a269
SHA512

acf7d1f8c139fad7a755bde5bf0cc481b936c538c55f44799a7802d4a4e82a90a9533c61ba9e6f3d97c117f7f739f1c75d078e963ad5df7280d1e1a850057c3f
SSDEEP

24576:ZoNNXaV9x4IUgs36BUI2So5+jnzFoCaGApu84:Ze0T+Sk6BU7HIFo7G98

Score

10^/10

stormkitty spyware stealer

Malware Config

Signatures

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

StormKitty payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2368-120-0x0000000000F00000-0x000000000101C000-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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 checkip.dyndns.org
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

mods menu gta.exe

description pid process

Token: SeDebugPrivilege 2368 mods menu gta.exe

flow	ioc
1	checkip.dyndns.org

description	pid	process
Token: SeDebugPrivilege	2368	mods menu gta.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

mods menu gta.execmd.execmd.exe

description	pid	process	target process
PID 2368 wrote to memory of 3320	2368	mods menu gta.exe	cmd.exe
PID 2368 wrote to memory of 3320	2368	mods menu gta.exe	cmd.exe
PID 3320 wrote to memory of 4784	3320	cmd.exe	chcp.com
PID 3320 wrote to memory of 4784	3320	cmd.exe	chcp.com
PID 3320 wrote to memory of 4540	3320	cmd.exe	netsh.exe
PID 3320 wrote to memory of 4540	3320	cmd.exe	netsh.exe
PID 3320 wrote to memory of 1900	3320	cmd.exe	findstr.exe
PID 3320 wrote to memory of 1900	3320	cmd.exe	findstr.exe
PID 2368 wrote to memory of 3392	2368	mods menu gta.exe	cmd.exe
PID 2368 wrote to memory of 3392	2368	mods menu gta.exe	cmd.exe
PID 3392 wrote to memory of 3628	3392	cmd.exe	chcp.com
PID 3392 wrote to memory of 3628	3392	cmd.exe	chcp.com
PID 3392 wrote to memory of 1416	3392	cmd.exe	netsh.exe
PID 3392 wrote to memory of 1416	3392	cmd.exe	netsh.exe
PID 3392 wrote to memory of 1984	3392	cmd.exe	findstr.exe
PID 3392 wrote to memory of 1984	3392	cmd.exe	findstr.exe

C:\Users\Admin\AppData\Local\Temp\mods menu gta.exe
"C:\Users\Admin\AppData\Local\Temp\mods menu gta.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368

C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
2⤵
- Suspicious use of WriteProcessMemory
PID:3320

C:\Windows\system32\chcp.com
chcp 65001
3⤵
PID:4784

C:\Windows\system32\netsh.exe
netsh wlan show profile
3⤵
PID:4540

C:\Windows\system32\findstr.exe
findstr All
3⤵
PID:1900

C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile name=65001 key=clear | findstr Key
2⤵
- Suspicious use of WriteProcessMemory
PID:3392

C:\Windows\system32\chcp.com
chcp 65001
3⤵
PID:3628

C:\Windows\system32\netsh.exe
netsh wlan show profile name=65001 key=clear
3⤵
PID:1416

C:\Windows\system32\findstr.exe
findstr Key
3⤵
PID:1984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

memory/1416-129-0x0000000000000000-mapping.dmp

Download
memory/1900-126-0x0000000000000000-mapping.dmp

Download
memory/1984-130-0x0000000000000000-mapping.dmp

Download
memory/2368-122-0x0000000003150000-0x000000000316A000-memory.dmp

Filesize
104KB

Download
memory/2368-120-0x0000000000F00000-0x000000000101C000-memory.dmp

Filesize
1.1MB

Download
memory/2368-121-0x0000000001730000-0x000000000173A000-memory.dmp

Filesize
40KB

Download
memory/2368-131-0x000000001D020000-0x000000001D032000-memory.dmp

Filesize
72KB

Download
memory/2368-132-0x000000001DE70000-0x000000001DEAE000-memory.dmp

Filesize
248KB

Download
memory/3320-123-0x0000000000000000-mapping.dmp

Download
memory/3392-127-0x0000000000000000-mapping.dmp

Download
memory/3628-128-0x0000000000000000-mapping.dmp

Download
memory/4540-125-0x0000000000000000-mapping.dmp

Download
memory/4784-124-0x0000000000000000-mapping.dmp

Download