asyncrat | 179027517e90f9e8173f63ba247d7c0d414259fdef3a29a5692c85d84dce557d

General

Target

roaricle.exe
Size

63KB
MD5

9f39043be09533636bbfdd4ec3101f6a
SHA1

1e964ba2a874c24a5fdc430c827a1ba82dc657ab
SHA256

179027517e90f9e8173f63ba247d7c0d414259fdef3a29a5692c85d84dce557d
SHA512

09c0573e2f4db331714d86d32abf9623b5a9560c1e7ac8359a0ef434cc79940143e837a2674aa5140b79e1b1302faf75df9959d184109aad231db78a90139233
SSDEEP

1536:PJxFz3FI8Cwof4wJ6Vfh2MBPG2bPw0mQCfhGxZVclN:PJxFz3FI8Cwo7J6VJL1G2bPTCfwzY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

fojeweb571-45302.portmap.host:4782

fojeweb571-45302.portmap.host:45302

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
true
install_file
windows defender firewall.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

resource	yara_rule
behavioral1/files/0x0008000000019433-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2728	windows defender firewall.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2424	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
1048	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2088	roaricle.exe
2088	roaricle.exe
2088	roaricle.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	roaricle.exe
Token: SeDebugPrivilege	2728	windows defender firewall.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2060	2088	roaricle.exe	30
PID 2088 wrote to memory of 2060	2088	roaricle.exe	30
PID 2088 wrote to memory of 2060	2088	roaricle.exe	30
PID 2088 wrote to memory of 1548	2088	roaricle.exe	32
PID 2088 wrote to memory of 1548	2088	roaricle.exe	32
PID 2088 wrote to memory of 1548	2088	roaricle.exe	32
PID 2060 wrote to memory of 1048	2060	cmd.exe	34
PID 2060 wrote to memory of 1048	2060	cmd.exe	34
PID 2060 wrote to memory of 1048	2060	cmd.exe	34
PID 1548 wrote to memory of 2424	1548	cmd.exe	35
PID 1548 wrote to memory of 2424	1548	cmd.exe	35
PID 1548 wrote to memory of 2424	1548	cmd.exe	35
PID 1548 wrote to memory of 2728	1548	cmd.exe	36
PID 1548 wrote to memory of 2728	1548	cmd.exe	36
PID 1548 wrote to memory of 2728	1548	cmd.exe	36

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\roaricle.exe
"C:\Users\Admin\AppData\Local\Temp\roaricle.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "windows defender firewall" /tr '"C:\Users\Admin\AppData\Roaming\windows defender firewall.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "windows defender firewall" /tr '"C:\Users\Admin\AppData\Roaming\windows defender firewall.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1048
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpD143.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2424
- - C:\Users\Admin\AppData\Roaming\windows defender firewall.exe
    "C:\Users\Admin\AppData\Roaming\windows defender firewall.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2728

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD143.tmp.bat

Filesize
169B

MD5
73e0ee44afa6813c1bebd5e8c7dd97b6

SHA1
366ad16dcab01420797460f5899c980611b550ac

SHA256
f39205381175fc3ea31326a4f6c60c80d977d8b80f32a85ed1e476334aff3e39

SHA512
f11a4a8ac5db7e737194cfd868a54b68e858301f5b4afcf98ccc41da6e692f0dbcab85b0a3381ee6bc214d7b57f22b9f7d1b994a1c2465cd13c085232f69101c

Download Submit
C:\Users\Admin\AppData\Roaming\windows defender firewall.exe

Filesize
63KB

MD5
9f39043be09533636bbfdd4ec3101f6a

SHA1
1e964ba2a874c24a5fdc430c827a1ba82dc657ab

SHA256
179027517e90f9e8173f63ba247d7c0d414259fdef3a29a5692c85d84dce557d

SHA512
09c0573e2f4db331714d86d32abf9623b5a9560c1e7ac8359a0ef434cc79940143e837a2674aa5140b79e1b1302faf75df9959d184109aad231db78a90139233

Download Submit
memory/2088-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

Filesize
4KB

Download
memory/2088-1-0x0000000000070000-0x0000000000086000-memory.dmp

Filesize
88KB

Download
memory/2088-2-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/2088-3-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/2088-13-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/2728-17-0x0000000000A80000-0x0000000000A96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads