asyncrat | 6ffe8e2aa7ebc17267ea90ddc0449d4f60306befd644adb60a26cbf9690f8ec6

General

Target

988b8d3ae9f2303ee25180c3aba36130N.exe
Size

60KB
MD5

988b8d3ae9f2303ee25180c3aba36130
SHA1

8b582769709c5c762740631a0aefc7f93f51c1c9
SHA256

6ffe8e2aa7ebc17267ea90ddc0449d4f60306befd644adb60a26cbf9690f8ec6
SHA512

21e11756a79b13fce2f5df5fca50ad18696fa6eba2b13245afef12d10cd9840761e0e4519e85cee5d5ac3fbac9c8b37aabec1e79e96a913277abc43ba1201832
SSDEEP

1536:lEKVoSSTTeBfSIUG+q25b4MwXVwcTXAFI1+:uKiiBqIUG+q25b4McTXAag

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

SuperBoo Rat v1.1

Botnet

Default

C2

com-distinct.gl.at.ply.gg:26706

Mutex

SuperBoo_mtex_920393

Attributes

delay
3
install
true
install_file
ratted.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x000a000000012283-13.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
536	ratted.exe

Loads dropped DLL 6 IoCs

pid	Process
2612	cmd.exe
300	WerFault.exe
300	WerFault.exe
300	WerFault.exe
300	WerFault.exe
300	WerFault.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
300	536	WerFault.exe	37

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	988b8d3ae9f2303ee25180c3aba36130N.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ratted.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3060	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

pid	Process
2716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2880	988b8d3ae9f2303ee25180c3aba36130N.exe
2880	988b8d3ae9f2303ee25180c3aba36130N.exe
2880	988b8d3ae9f2303ee25180c3aba36130N.exe
2880	988b8d3ae9f2303ee25180c3aba36130N.exe
2880	988b8d3ae9f2303ee25180c3aba36130N.exe
2880	988b8d3ae9f2303ee25180c3aba36130N.exe
2880	988b8d3ae9f2303ee25180c3aba36130N.exe
536	ratted.exe
536	ratted.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	988b8d3ae9f2303ee25180c3aba36130N.exe
Token: SeDebugPrivilege	536	ratted.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2864	2880	988b8d3ae9f2303ee25180c3aba36130N.exe	31
PID 2880 wrote to memory of 2864	2880	988b8d3ae9f2303ee25180c3aba36130N.exe	31
PID 2880 wrote to memory of 2864	2880	988b8d3ae9f2303ee25180c3aba36130N.exe	31
PID 2880 wrote to memory of 2864	2880	988b8d3ae9f2303ee25180c3aba36130N.exe	31
PID 2880 wrote to memory of 2612	2880	988b8d3ae9f2303ee25180c3aba36130N.exe	33
PID 2880 wrote to memory of 2612	2880	988b8d3ae9f2303ee25180c3aba36130N.exe	33
PID 2880 wrote to memory of 2612	2880	988b8d3ae9f2303ee25180c3aba36130N.exe	33
PID 2880 wrote to memory of 2612	2880	988b8d3ae9f2303ee25180c3aba36130N.exe	33
PID 2864 wrote to memory of 2716	2864	cmd.exe	35
PID 2864 wrote to memory of 2716	2864	cmd.exe	35
PID 2864 wrote to memory of 2716	2864	cmd.exe	35
PID 2864 wrote to memory of 2716	2864	cmd.exe	35
PID 2612 wrote to memory of 3060	2612	cmd.exe	36
PID 2612 wrote to memory of 3060	2612	cmd.exe	36
PID 2612 wrote to memory of 3060	2612	cmd.exe	36
PID 2612 wrote to memory of 3060	2612	cmd.exe	36
PID 2612 wrote to memory of 536	2612	cmd.exe	37
PID 2612 wrote to memory of 536	2612	cmd.exe	37
PID 2612 wrote to memory of 536	2612	cmd.exe	37
PID 2612 wrote to memory of 536	2612	cmd.exe	37
PID 536 wrote to memory of 300	536	ratted.exe	38
PID 536 wrote to memory of 300	536	ratted.exe	38
PID 536 wrote to memory of 300	536	ratted.exe	38
PID 536 wrote to memory of 300	536	ratted.exe	38

C:\Users\Admin\AppData\Local\Temp\988b8d3ae9f2303ee25180c3aba36130N.exe
"C:\Users\Admin\AppData\Local\Temp\988b8d3ae9f2303ee25180c3aba36130N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ratted" /tr '"C:\Users\Admin\AppData\Roaming\ratted.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ratted" /tr '"C:\Users\Admin\AppData\Roaming\ratted.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2716
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp77AF.tmp.bat""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3060
- - C:\Users\Admin\AppData\Roaming\ratted.exe
    "C:\Users\Admin\AppData\Roaming\ratted.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:536
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 536
      4⤵
      Loads dropped DLL
      Program crash
      PID:300

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\tmp77AF.tmp.bat

Filesize
150B

MD5
e8fc2ab7abbe6531c05993113b7c4574

SHA1
dc3c91a5ecbc1af8339437a3cc26e989930f2d58

SHA256
71210bf123741ea8a0be02ae2c9ec4791f84243c4ccef9dc54623deffcf8d599

SHA512
e9e74c821761e2ee64fb608c6b98014863e4563226035092c5f2e7e0f251345a9d7ddd7a725bcd7cd596ffff874165b55fef684960af0a117397df1e487bf9d5

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

Filesize
60KB

MD5
988b8d3ae9f2303ee25180c3aba36130

SHA1
8b582769709c5c762740631a0aefc7f93f51c1c9

SHA256
6ffe8e2aa7ebc17267ea90ddc0449d4f60306befd644adb60a26cbf9690f8ec6

SHA512
21e11756a79b13fce2f5df5fca50ad18696fa6eba2b13245afef12d10cd9840761e0e4519e85cee5d5ac3fbac9c8b37aabec1e79e96a913277abc43ba1201832

Download Submit
memory/536-16-0x0000000000BC0000-0x0000000000BD6000-memory.dmp

Filesize
88KB

Download
memory/2880-2-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-1-0x0000000000990000-0x00000000009A6000-memory.dmp

Filesize
88KB

Download
memory/2880-0-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/2880-11-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads