asyncrat | 90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef

General

Target

90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe
Size

66KB
MD5

69076459b0cdae463d8996540868f034
SHA1

21d983815bda3c337094bc6b1956ac768f239ccf
SHA256

90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef
SHA512

cea529ed0f221a8fa96887f35d411a62f40a4621a5be70a721b4efbc5c89f480248585958b0e3053c18208a01d9c02fe416e89c01b2887cb05ff4c95e9df929d
SSDEEP

1536:92kv0bo/KQk5AvgdKuvUYFMDPLPg/tARbDZ0I615rmTGKd:92I0wKQkLKuvUYFkPdRbDa5Exd

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

| Edit by Vinom Rat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:9999

127.0.0.1:46089

anything-eco.gl.at.ply.gg:6606

anything-eco.gl.at.ply.gg:7707

anything-eco.gl.at.ply.gg:8808

anything-eco.gl.at.ply.gg:9999

anything-eco.gl.at.ply.gg:46089

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
runtime.exe
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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/files/0x0007000000012117-13.dat	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

runtime.exe

pid	Process
2540	runtime.exe

Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid	Process
2712	cmd.exe

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 6 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:

runtime.exe90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.execmd.execmd.exeschtasks.exetimeout.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	runtime.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
2568	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
2724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exeruntime.exe

pid	Process
1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe
1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe
1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe
2540	runtime.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exeruntime.exe

description	pid	Process
Token: SeDebugPrivilege	1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe
Token: SeDebugPrivilege	2540	runtime.exe
Token: SeDebugPrivilege	2540	runtime.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

runtime.exe

pid	Process
2540	runtime.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.execmd.execmd.exe

description	pid	Process	procid_target
PID 1508 wrote to memory of 2676	1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe	32
PID 1508 wrote to memory of 2676	1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe	32
PID 1508 wrote to memory of 2676	1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe	32
PID 1508 wrote to memory of 2676	1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe	32
PID 1508 wrote to memory of 2712	1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe	34
PID 1508 wrote to memory of 2712	1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe	34
PID 1508 wrote to memory of 2712	1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe	34
PID 1508 wrote to memory of 2712	1508	90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe	34
PID 2676 wrote to memory of 2724	2676	cmd.exe	36
PID 2676 wrote to memory of 2724	2676	cmd.exe	36
PID 2676 wrote to memory of 2724	2676	cmd.exe	36
PID 2676 wrote to memory of 2724	2676	cmd.exe	36
PID 2712 wrote to memory of 2568	2712	cmd.exe	37
PID 2712 wrote to memory of 2568	2712	cmd.exe	37
PID 2712 wrote to memory of 2568	2712	cmd.exe	37
PID 2712 wrote to memory of 2568	2712	cmd.exe	37
PID 2712 wrote to memory of 2540	2712	cmd.exe	38
PID 2712 wrote to memory of 2540	2712	cmd.exe	38
PID 2712 wrote to memory of 2540	2712	cmd.exe	38
PID 2712 wrote to memory of 2540	2712	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe
"C:\Users\Admin\AppData\Local\Temp\90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "runtime" /tr '"C:\Users\Admin\AppData\Roaming\runtime.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "runtime" /tr '"C:\Users\Admin\AppData\Roaming\runtime.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2724
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpF872.tmp.bat""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2568
- - C:\Users\Admin\AppData\Roaming\runtime.exe
    "C:\Users\Admin\AppData\Roaming\runtime.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF872.tmp.bat

Filesize
151B

MD5
f8321cdda2da4b6dc401dd6fa465a310

SHA1
52b66a50fc473d88a5e1d5ea2c7c9cd36473ca60

SHA256
ad9ab28eba59ef560656a0024564ad4dd260a2078f0c4e59c0a007f05811683f

SHA512
2d279981bf049f81bba6bf249b2c77c49943d479dfe6f45bb9fe8cdcdbf0b191acafec2d0d2a4ddf574faab5d0e5ec73ff3029b8732c8c479bea6c84e88a32c2

Download Submit
\Users\Admin\AppData\Roaming\runtime.exe

Filesize
66KB

MD5
69076459b0cdae463d8996540868f034

SHA1
21d983815bda3c337094bc6b1956ac768f239ccf

SHA256
90f02187819001943af22474f263663346b69b50fae940acb0562492e783faef

SHA512
cea529ed0f221a8fa96887f35d411a62f40a4621a5be70a721b4efbc5c89f480248585958b0e3053c18208a01d9c02fe416e89c01b2887cb05ff4c95e9df929d

Download Submit
memory/1508-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/1508-1-0x00000000000B0000-0x00000000000C6000-memory.dmp

Filesize
88KB

Download
memory/1508-2-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/1508-11-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-16-0x0000000000990000-0x00000000009A6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads