asyncrat | a17c7a643a56452209e4693b977b84b0265efc2f522b068046868a3f832313be

General

Target

4cf4e246ae9989b51e64b0fc1c8ca7d9.exe
Size

47KB
MD5

4cf4e246ae9989b51e64b0fc1c8ca7d9
SHA1

9f52c14c854fa3300f8d184add69310f779c5755
SHA256

a17c7a643a56452209e4693b977b84b0265efc2f522b068046868a3f832313be
SHA512

f7facedb94ef8420bafec8f78df9e50275923f1f95e66a1cc1bef733b103a41f4c7588d770b6a9a78bb7c34e429d66609573f6dc3b25f84129a390ac2420236f
SSDEEP

768:2uQ/ltTxQ58sWUyOC2mo2q8EUKbj4MiPPI1Ov8Xv0b0PlysRJqxinOoY10gkmBD0:2uQ/ltTxib24dp1A88b0hRJ8inO/1Uow

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

default

C2

127.0.0.1:4824

127.0.0.1:13577

4040:4824

4040:13577

Mutex

Discord Inc

Attributes

delay
3
install
true
install_file
aratnotamouse.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 5 IoCs

rat

resource	yara_rule
behavioral1/memory/2448-54-0x0000000000900000-0x0000000000912000-memory.dmp	asyncrat
behavioral1/files/0x0008000000012026-67.dat	asyncrat
behavioral1/files/0x0008000000012026-68.dat	asyncrat
behavioral1/files/0x0008000000012026-69.dat	asyncrat
behavioral1/memory/2720-70-0x00000000009B0000-0x00000000009C2000-memory.dmp	asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2720	aratnotamouse.exe

Loads dropped DLL 1 IoCs

pid	Process
3008	cmd.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2732	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2400	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe
2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe
Token: SeDebugPrivilege	2720	aratnotamouse.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2160	2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe	29
PID 2448 wrote to memory of 2160	2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe	29
PID 2448 wrote to memory of 2160	2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe	29
PID 2448 wrote to memory of 2160	2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe	29
PID 2448 wrote to memory of 3008	2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe	31
PID 2448 wrote to memory of 3008	2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe	31
PID 2448 wrote to memory of 3008	2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe	31
PID 2448 wrote to memory of 3008	2448	4cf4e246ae9989b51e64b0fc1c8ca7d9.exe	31
PID 2160 wrote to memory of 2732	2160	cmd.exe	33
PID 2160 wrote to memory of 2732	2160	cmd.exe	33
PID 2160 wrote to memory of 2732	2160	cmd.exe	33
PID 2160 wrote to memory of 2732	2160	cmd.exe	33
PID 3008 wrote to memory of 2400	3008	cmd.exe	34
PID 3008 wrote to memory of 2400	3008	cmd.exe	34
PID 3008 wrote to memory of 2400	3008	cmd.exe	34
PID 3008 wrote to memory of 2400	3008	cmd.exe	34
PID 3008 wrote to memory of 2720	3008	cmd.exe	35
PID 3008 wrote to memory of 2720	3008	cmd.exe	35
PID 3008 wrote to memory of 2720	3008	cmd.exe	35
PID 3008 wrote to memory of 2720	3008	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\4cf4e246ae9989b51e64b0fc1c8ca7d9.exe
"C:\Users\Admin\AppData\Local\Temp\4cf4e246ae9989b51e64b0fc1c8ca7d9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "aratnotamouse" /tr '"C:\Users\Admin\AppData\Roaming\aratnotamouse.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "aratnotamouse" /tr '"C:\Users\Admin\AppData\Roaming\aratnotamouse.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:2732
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp7FAB.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2400
- - C:\Users\Admin\AppData\Roaming\aratnotamouse.exe
    "C:\Users\Admin\AppData\Roaming\aratnotamouse.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7FAB.tmp.bat

Filesize
157B

MD5
3ed8959263782a334cc1142516bdf337

SHA1
af6bc7ee66f1d3e378754345ae064b23a79f1c1a

SHA256
8dedc247aa37012b29950663fb1c422ca49c370174f1b71e1750626f73f4425d

SHA512
0c1158546826c94d3ea06f7d264ba179f590e20cde2dd69388164dec578b9253bbfe5e91209c4a73882f351bb0d3bfb764301fb576e270f28d053e725e70d806

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7FAB.tmp.bat

Filesize
157B

MD5
3ed8959263782a334cc1142516bdf337

SHA1
af6bc7ee66f1d3e378754345ae064b23a79f1c1a

SHA256
8dedc247aa37012b29950663fb1c422ca49c370174f1b71e1750626f73f4425d

SHA512
0c1158546826c94d3ea06f7d264ba179f590e20cde2dd69388164dec578b9253bbfe5e91209c4a73882f351bb0d3bfb764301fb576e270f28d053e725e70d806

Download Submit
C:\Users\Admin\AppData\Roaming\aratnotamouse.exe

Filesize
47KB

MD5
4cf4e246ae9989b51e64b0fc1c8ca7d9

SHA1
9f52c14c854fa3300f8d184add69310f779c5755

SHA256
a17c7a643a56452209e4693b977b84b0265efc2f522b068046868a3f832313be

SHA512
f7facedb94ef8420bafec8f78df9e50275923f1f95e66a1cc1bef733b103a41f4c7588d770b6a9a78bb7c34e429d66609573f6dc3b25f84129a390ac2420236f

Download Submit
C:\Users\Admin\AppData\Roaming\aratnotamouse.exe

Filesize
47KB

MD5
4cf4e246ae9989b51e64b0fc1c8ca7d9

SHA1
9f52c14c854fa3300f8d184add69310f779c5755

SHA256
a17c7a643a56452209e4693b977b84b0265efc2f522b068046868a3f832313be

SHA512
f7facedb94ef8420bafec8f78df9e50275923f1f95e66a1cc1bef733b103a41f4c7588d770b6a9a78bb7c34e429d66609573f6dc3b25f84129a390ac2420236f

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

Filesize
47KB

MD5
4cf4e246ae9989b51e64b0fc1c8ca7d9

SHA1
9f52c14c854fa3300f8d184add69310f779c5755

SHA256
a17c7a643a56452209e4693b977b84b0265efc2f522b068046868a3f832313be

SHA512
f7facedb94ef8420bafec8f78df9e50275923f1f95e66a1cc1bef733b103a41f4c7588d770b6a9a78bb7c34e429d66609573f6dc3b25f84129a390ac2420236f

Download Submit
memory/2448-66-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/2448-54-0x0000000000900000-0x0000000000912000-memory.dmp

Filesize
72KB

Download
memory/2448-56-0x00000000003C0000-0x0000000000400000-memory.dmp

Filesize
256KB

Download
memory/2448-55-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-71-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-70-0x00000000009B0000-0x00000000009C2000-memory.dmp

Filesize
72KB

Download
memory/2720-72-0x0000000002260000-0x00000000022A0000-memory.dmp

Filesize
256KB

Download
memory/2720-73-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-74-0x0000000002260000-0x00000000022A0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads