asyncrat | 419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f

General

Target

419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
Size

556KB
MD5

632fcbfdd3e602712905071c5a178e6d
SHA1

350fd5a29c11bf2244f94465ed2e82ce71a72ca4
SHA256

419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f
SHA512

b0ea0cba1a9e6e5398e363d2558f0105288b48af2fa40678ce416bd07b2a021427c85af487734288f9e5a9185a1faeb3f2e67ae1a199e9686069333a07458ab4
SSDEEP

12288:ndBhrOiY7fNzGxb2w0T1Qhg8HM+M71ao7DVxZNywjzS:ndulzGow0ihhM71aYj3TS

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.6D

Botnet

Default

C2

ronymahmoud.casacam.net:6606

ronymahmoud.casacam.net:7707

ronymahmoud.casacam.net:8808

sk.servemp3.com:6606

sk.servemp3.com:7707

sk.servemp3.com:8808

Mutex

fpfvkdzpfziibqk

Attributes

delay
1
install
false
install_file
miccrosofte.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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2520	powershell.exe
2996	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36

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 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.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

pid	Process
376	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
2996	powershell.exe
2520	powershell.exe
1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
Token: SeDebugPrivilege	2996	powershell.exe
Token: SeDebugPrivilege	2520	powershell.exe
Token: SeDebugPrivilege	2832	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2520	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	30
PID 1868 wrote to memory of 2520	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	30
PID 1868 wrote to memory of 2520	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	30
PID 1868 wrote to memory of 2520	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	30
PID 1868 wrote to memory of 2996	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	32
PID 1868 wrote to memory of 2996	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	32
PID 1868 wrote to memory of 2996	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	32
PID 1868 wrote to memory of 2996	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	32
PID 1868 wrote to memory of 376	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	33
PID 1868 wrote to memory of 376	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	33
PID 1868 wrote to memory of 376	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	33
PID 1868 wrote to memory of 376	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	33
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36
PID 1868 wrote to memory of 2832	1868	419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe	36

C:\Users\Admin\AppData\Local\Temp\419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe
"C:\Users\Admin\AppData\Local\Temp\419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\419929cb29132d4442411144a0836daebe9eddcb9498c583197479a728aac18f.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KkjEJBLkYcb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2996
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KkjEJBLkYcb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8112.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:376
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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\Cab8D15.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8112.tmp

Filesize
1KB

MD5
e29a9faf438ddf5bcdf7cbeabb6bf435

SHA1
54a8fbf846d4269027490494e906516face4f26e

SHA256
dc97113d9bec9892d6b7e728d6a438778ea82403c929258ba1dc88d18a1572d2

SHA512
de1351abee6943b5b55ced6e03c7906435fb42db638ac17ff6fbc860a210cdaed6cb621fff997061805fdfcf3edda611ca0ac0ab30506f23703988ce641d8c38

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
372d87da216fb59b976679ddf33fac37

SHA1
36706774c7ddbcc5102cce740e187c70b2501a8f

SHA256
a5c36ea2fc61275b4ea3306c522b4721c48599145c61fc3a6cbb0c87c982694b

SHA512
4fc43db836328cf43ef2226fd8be525d4afbd28eb6eaae96d54e01fd2c7ffa65d2b8b94e68feeff30a996ead8ff811ca2947d9fd44e85456e0a2deb66db96347

Download Submit
memory/1868-4-0x00000000742EE000-0x00000000742EF000-memory.dmp

Filesize
4KB

Download
memory/1868-32-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/1868-5-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/1868-6-0x0000000004C80000-0x0000000004CD4000-memory.dmp

Filesize
336KB

Download
memory/1868-3-0x0000000000490000-0x00000000004A0000-memory.dmp

Filesize
64KB

Download
memory/1868-2-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/1868-1-0x0000000000010000-0x00000000000A0000-memory.dmp

Filesize
576KB

Download
memory/1868-0-0x00000000742EE000-0x00000000742EF000-memory.dmp

Filesize
4KB

Download
memory/2832-21-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2832-31-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2832-29-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2832-28-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2832-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-25-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2832-23-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2832-19-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads