asyncrat | 710efb67c858bf42e405338f0b7f4c56b21b1fe425a3bfaf47b78fe9bf51f223

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 01:21

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General

Target

4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe
Size

63KB
MD5

8470cea3da203f75dd4413293155f011
SHA1

a0f003d1abf66df010135c94f3568d153bbbea12
SHA256

4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845
SHA512

99132afedb6c1c43d4ab76ec59a73ec131b9b6b43965be608f9dc96c0d620a0c3021fbe3e698264f47f2143fc5fc5c0b47311681b9f42665c99fceda97169a05
SSDEEP

1536:PmImx6tX2kNff4sKu+UYFv0DQgb1APVmIcrPlTGBx:Pm9x6tmkN7Ku+UYFfgb16mIcd6x

Score

10^/10

asyncrat *** 19 nov ***discovery rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

*** 19 NOV ***

19nov2024.duckdns.org:9003

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
Asyncrat family
asyncrat
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4276	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4480	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 2336	4480	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	99
PID 4480 wrote to memory of 2336	4480	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	99
PID 4480 wrote to memory of 2336	4480	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	99
PID 2336 wrote to memory of 4276	2336	cmd.exe	101
PID 2336 wrote to memory of 4276	2336	cmd.exe	101
PID 2336 wrote to memory of 4276	2336	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe
"C:\Users\Admin\AppData\Local\Temp\4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEEB5.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEEB5.tmp.bat

Filesize
216B

MD5
cfaaa19b3c5f6b6ab8f9b920df466edf

SHA1
99147727b8ebcd49c642e7fe03397009250d230b

SHA256
e43f3690b15852271b5390697684662fc8d003747da988cad2d4895298e93f76

SHA512
0d5f1056b5a891a95f83527c789a5fa38a25338ece3a9a686cef277754073f822d072f3191631fcacb91fddac73da8359119ab5fac4541501c5cdb2d0ab5bf92

Download Submit
memory/4480-8-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/4480-2-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4480-5-0x0000000005AF0000-0x0000000005B8C000-memory.dmp

Filesize
624KB

Download
memory/4480-6-0x0000000006140000-0x00000000066E4000-memory.dmp

Filesize
5.6MB

Download
memory/4480-7-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/4480-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/4480-9-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4480-10-0x0000000006C50000-0x0000000006CC6000-memory.dmp

Filesize
472KB

Download
memory/4480-11-0x0000000006BD0000-0x0000000006BF4000-memory.dmp

Filesize
144KB

Download
memory/4480-12-0x0000000006CF0000-0x0000000006D0E000-memory.dmp

Filesize
120KB

Download
memory/4480-16-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4480-1-0x0000000000660000-0x0000000000676000-memory.dmp

Filesize
88KB

Download