asyncrat | 4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845

Reason

Machine shutdown

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 ***

C2

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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

Processes:

cmd.exediskpart.execmd.exeshutdown.execmd.exeshutdown.exe4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	diskpart.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe

Checks SCSI registry key(s) 3 TTPs 4 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

vds.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	vds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	vds.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "46"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe

pid	process
1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe
1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe
1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exeshutdown.exe

description	pid	process
Token: SeDebugPrivilege	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe
Token: SeShutdownPrivilege	3592	shutdown.exe
Token: SeRemoteShutdownPrivilege	3592	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

LogonUI.exe

pid process

4580 LogonUI.exe

pid	process
4580	LogonUI.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1360 wrote to memory of 884	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	cmd.exe
PID 1360 wrote to memory of 884	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	cmd.exe
PID 1360 wrote to memory of 884	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	cmd.exe
PID 884 wrote to memory of 2484	884	cmd.exe	diskpart.exe
PID 884 wrote to memory of 2484	884	cmd.exe	diskpart.exe
PID 884 wrote to memory of 2484	884	cmd.exe	diskpart.exe
PID 1360 wrote to memory of 4760	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	cmd.exe
PID 1360 wrote to memory of 4760	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	cmd.exe
PID 1360 wrote to memory of 4760	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	cmd.exe
PID 4760 wrote to memory of 3716	4760	cmd.exe	shutdown.exe
PID 4760 wrote to memory of 3716	4760	cmd.exe	shutdown.exe
PID 4760 wrote to memory of 3716	4760	cmd.exe	shutdown.exe
PID 1360 wrote to memory of 4048	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	cmd.exe
PID 1360 wrote to memory of 4048	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	cmd.exe
PID 1360 wrote to memory of 4048	1360	4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe	cmd.exe
PID 4048 wrote to memory of 3592	4048	cmd.exe	shutdown.exe
PID 4048 wrote to memory of 3592	4048	cmd.exe	shutdown.exe
PID 4048 wrote to memory of 3592	4048	cmd.exe	shutdown.exe

C:\Users\Admin\AppData\Local\Temp\4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe
"C:\Users\Admin\AppData\Local\Temp\4b8474a72a587841c45aaa30d00b7f5335cb69d0fc748ceb8adb244932bdf845.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jnawtp.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:884
- - C:\Windows\SysWOW64\diskpart.exe
    diskpart disk 1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2484
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\zyermd.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4760
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown -r -t 8
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3716
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\syywrt.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4048
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown -r -t 8
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3592

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2180

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:5072

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39ad055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\jnawtp.bat

Filesize
23B

MD5
55356dbca07bafdf1047142bdb6723b2

SHA1
cdabcb68dae1d1ac7dab301a05d6d076d28ccb8c

SHA256
1913270e24d752035390649a518afe87943fa297107d742f2b4a4c443ca35285

SHA512
ba52c20120135634c80c39d63a41cceafcae6d53ef7de889492846f5200338038a93f7c9aeeaae85df1250776e3d7b51384661dbe584613cba69537ebe411473

Download Submit
C:\Users\Admin\AppData\Local\Temp\zyermd.bat

Filesize
16B

MD5
c0f80d321aa72472fc0154cfd140005c

SHA1
6012d51e6035ef92e9f32179eae815459ee4ff5a

SHA256
76763b5fcc2a8c1ffdd1470aff31e19ebaa82592697a0dda4d92bdd2ecff1146

SHA512
2b7e54034f8e322ee9adaa317adea6a4d7062bf059dc3814f5ff990f43130ee09a178b8d402a4964c27dc1e19c97df0c42f4e9877bb9ad0357986822ad3075ab

Download Submit
memory/1360-8-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/1360-5-0x0000000005900000-0x000000000599C000-memory.dmp

Filesize
624KB

Download
memory/1360-6-0x0000000005F50000-0x00000000064F4000-memory.dmp

Filesize
5.6MB

Download
memory/1360-7-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/1360-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/1360-9-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/1360-10-0x0000000006A40000-0x0000000006AB6000-memory.dmp

Filesize
472KB

Download
memory/1360-11-0x00000000059D0000-0x00000000059E0000-memory.dmp

Filesize
64KB

Download
memory/1360-12-0x0000000006D30000-0x0000000006D4E000-memory.dmp

Filesize
120KB

Download
memory/1360-2-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/1360-1-0x00000000005B0000-0x00000000005C6000-memory.dmp

Filesize
88KB

Download
memory/1360-26-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads