asyncrat | f414e4465043ddc7e7d558b341d2fefaf62a379d8107c7bc7b39a3d3f4c55b56

Analysis

max time kernel
26s
max time network
38s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24-04-2023 20:27

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General

Target

Redline Stealer v24.2 cracked [XT_CH]/Kurome.Builder/Kurome.Builder v24.2.exe
Size

170KB
MD5

470a8267b5eba7eb998d9fa69532f849
SHA1

1152ddb2ab93aae9983e3e8b5c4f367875323e3e
SHA256

6cdb8d1af85d10ed3022ae0a183e3e9dff0ad1bc4a90915e7e41b600154a349e
SHA512

5f151230dc97e0804cbe7b36ce9a4570023bdaf0283ae2681732a835c26e540ec93f9c56cd78599c8deeeaed10b2b50f9c976c85ad95d4e36460e05083f7048d
SSDEEP

3072:O+STW8djpN6izj8mZwHQiWZqswqIPu/i9b+J2cOZTMi56+WpL:z8XN6W8mmdUwXPSi9b2c3

Score

10^/10

asyncrat stormkitty default rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Botnet

Default

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot6093966625:AAHk4dddHb8B1faCcFqL3um1gmB-f2mWhyc/sendMessage?chat_id=5529838804

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1488-133-0x0000000000B70000-0x0000000000BA0000-memory.dmp	family_stormkitty

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1488-133-0x0000000000B70000-0x0000000000BA0000-memory.dmp	asyncrat

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

Drops desktop.ini file(s) 7 IoCs

Processes:

Kurome.Builder v24.2.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\19476dd635480f724e061f795c59f978\Admin@WEYPCEWN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Kurome.Builder v24.2.exe
File opened for modification	C:\Users\Admin\AppData\Local\19476dd635480f724e061f795c59f978\Admin@WEYPCEWN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Kurome.Builder v24.2.exe
File created	C:\Users\Admin\AppData\Local\19476dd635480f724e061f795c59f978\Admin@WEYPCEWN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Kurome.Builder v24.2.exe
File created	C:\Users\Admin\AppData\Local\19476dd635480f724e061f795c59f978\Admin@WEYPCEWN_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Kurome.Builder v24.2.exe
File created	C:\Users\Admin\AppData\Local\19476dd635480f724e061f795c59f978\Admin@WEYPCEWN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	Kurome.Builder v24.2.exe
File created	C:\Users\Admin\AppData\Local\19476dd635480f724e061f795c59f978\Admin@WEYPCEWN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	Kurome.Builder v24.2.exe
File created	C:\Users\Admin\AppData\Local\19476dd635480f724e061f795c59f978\Admin@WEYPCEWN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	Kurome.Builder v24.2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Kurome.Builder v24.2.exe

pid process

1488 Kurome.Builder v24.2.exe
1488 Kurome.Builder v24.2.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Kurome.Builder v24.2.exe

description pid process

Token: SeDebugPrivilege 1488 Kurome.Builder v24.2.exe

pid	process
1488	Kurome.Builder v24.2.exe
1488	Kurome.Builder v24.2.exe

description	pid	process
Token: SeDebugPrivilege	1488	Kurome.Builder v24.2.exe

C:\Users\Admin\AppData\Local\Temp\Redline Stealer v24.2 cracked [XT_CH]\Kurome.Builder\Kurome.Builder v24.2.exe
"C:\Users\Admin\AppData\Local\Temp\Redline Stealer v24.2 cracked [XT_CH]\Kurome.Builder\Kurome.Builder v24.2.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
2⤵
PID:2060

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:2228

C:\Windows\SysWOW64\findstr.exe
findstr All
3⤵
PID:2260

C:\Windows\SysWOW64\netsh.exe
netsh wlan show profile
3⤵
PID:2964

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
2⤵
PID:1676

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:2836

C:\Windows\SysWOW64\netsh.exe
netsh wlan show networks mode=bssid
3⤵
PID:464

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

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\19476dd635480f724e061f795c59f978\Admin@WEYPCEWN_en-US\System\Process.txt
Filesize
4KB

MD5
cda2261478f1525f1427da93391a78ef

SHA1
7731ba4b88179719c13aa3bfd7ea4a8638980f3a

SHA256
3a542bd72f931e6ea085aefdc9c9e3913088e3a35dff6ab9983c12e6359ae9e0

SHA512
4ba676b63ae22b3bfe706582902da7b7370494d9148e2b64bf6142e715617ec0e882472d1a02faf69621e4e515d6c26f8f928c7db976eccf723da0e45889dff3

Download Submit
memory/1488-133-0x0000000000B70000-0x0000000000BA0000-memory.dmp

Filesize
192KB

Download
memory/1488-134-0x0000000005530000-0x0000000005540000-memory.dmp

Filesize
64KB

Download
memory/1488-135-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/1488-136-0x0000000005530000-0x0000000005540000-memory.dmp

Filesize
64KB

Download
memory/1488-277-0x0000000006440000-0x00000000064D2000-memory.dmp

Filesize
584KB

Download
memory/1488-278-0x0000000006A90000-0x0000000007034000-memory.dmp

Filesize
5.6MB

Download
memory/1488-280-0x0000000005530000-0x0000000005540000-memory.dmp

Filesize
64KB

Download
memory/1488-283-0x0000000006660000-0x000000000666A000-memory.dmp

Filesize
40KB

Download