stormkitty | 06fa7e3221aa6f67eeefa8b807a6abb0b4c385d7eb61434ccec55ad2a5d3a1dd

Analysis

max time kernel
436s
max time network
441s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
05-05-2024 17:25

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General

Target

BlitzedGrabberV12/Resources/yhyty5.exe
Size

59KB
MD5

9b1283f4b90fa0009ea6fda13596a584
SHA1

1daa7ccfddc6da823c2fadb7b821a9e26efebabe
SHA256

4e3ff2595fc8b32fb44856e856b6d91600fd6a66ab556bc2437a926bf7c8fdb0
SHA512

ca6d46254da5c16f80a3ee4a5d11b7203a025082e8268ba8ff343a6b705262e03c8c149e381ec038b364ebecb8a5ab4169e6e5fb3676d90abe37aecf468d1ecb
SSDEEP

768:uvlq4ltFkHOCROyDZSCY6LaIdB4b2iuAPGdX3oI0fZOv11cEL6N9Q5WEpGl:I84l4XROyDL3AEo41BLg9Qg6y

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
behavioral18/memory/2140-0-0x0000000000250000-0x0000000000266000-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
T1552.001
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service
T1102

Processes:

flow ioc

21 discord.com
13 discord.com
14 discord.com
18 discord.com
20 discord.com
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

yhyty5.exe

description pid process

Token: SeDebugPrivilege 2140 yhyty5.exe

flow	ioc
21	discord.com
13	discord.com
14	discord.com
18	discord.com
20	discord.com

description	pid	process
Token: SeDebugPrivilege	2140	yhyty5.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

yhyty5.execmd.execmd.exe

description	pid	process	target process
PID 2140 wrote to memory of 1320	2140	yhyty5.exe	cmd.exe
PID 2140 wrote to memory of 1320	2140	yhyty5.exe	cmd.exe
PID 1320 wrote to memory of 2960	1320	cmd.exe	chcp.com
PID 1320 wrote to memory of 2960	1320	cmd.exe	chcp.com
PID 1320 wrote to memory of 1012	1320	cmd.exe	netsh.exe
PID 1320 wrote to memory of 1012	1320	cmd.exe	netsh.exe
PID 1320 wrote to memory of 2544	1320	cmd.exe	findstr.exe
PID 1320 wrote to memory of 2544	1320	cmd.exe	findstr.exe
PID 2140 wrote to memory of 4000	2140	yhyty5.exe	cmd.exe
PID 2140 wrote to memory of 4000	2140	yhyty5.exe	cmd.exe
PID 4000 wrote to memory of 3140	4000	cmd.exe	chcp.com
PID 4000 wrote to memory of 3140	4000	cmd.exe	chcp.com
PID 4000 wrote to memory of 4596	4000	cmd.exe	netsh.exe
PID 4000 wrote to memory of 4596	4000	cmd.exe	netsh.exe
PID 4000 wrote to memory of 2100	4000	cmd.exe	findstr.exe
PID 4000 wrote to memory of 2100	4000	cmd.exe	findstr.exe

C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12\Resources\yhyty5.exe
"C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12\Resources\yhyty5.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140

C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
2⤵
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\system32\chcp.com
chcp 65001
3⤵
PID:2960

C:\Windows\system32\netsh.exe
netsh wlan show profile
3⤵
PID:1012

C:\Windows\system32\findstr.exe
findstr All
3⤵
PID:2544

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:4000

C:\Windows\system32\chcp.com
chcp 65001
3⤵
PID:3140

C:\Windows\system32\netsh.exe
netsh wlan show profile name=65001 key=clear
3⤵
PID:4596

C:\Windows\system32\findstr.exe
findstr Key
3⤵
PID:2100

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\passwords.txt
Filesize
1B

MD5
68b329da9893e34099c7d8ad5cb9c940

SHA1
adc83b19e793491b1c6ea0fd8b46cd9f32e592fc

SHA256
01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b

SHA512
be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09

Download Submit
memory/2140-0-0x0000000000250000-0x0000000000266000-memory.dmp

Filesize
88KB

Download
memory/2140-1-0x00007FFB21EF3000-0x00007FFB21EF5000-memory.dmp

Filesize
8KB

Download
memory/2140-3-0x000000001B2D0000-0x000000001B2EA000-memory.dmp

Filesize
104KB

Download
memory/2140-2-0x00000000023B0000-0x00000000023BA000-memory.dmp

Filesize
40KB

Download
memory/2140-5-0x00007FFB21EF0000-0x00007FFB229B1000-memory.dmp

Filesize
10.8MB

Download
memory/2140-24-0x000000001C250000-0x000000001C262000-memory.dmp

Filesize
72KB

Download
memory/2140-25-0x000000001C3C0000-0x000000001C3FC000-memory.dmp

Filesize
240KB

Download
memory/2140-27-0x00007FFB21EF0000-0x00007FFB229B1000-memory.dmp

Filesize
10.8MB

Download