asyncrat | cade54e2c8a16ec81171dcfd14e63d66cb81502625488b995197abd96e497058

General

Target

soundpad.exe
Size

110KB
MD5

3870690adc7c168e285a3c9b2c2b572a
SHA1

eeb416a6b4f9d052544f6845a5ec93ad063e2ba1
SHA256

cade54e2c8a16ec81171dcfd14e63d66cb81502625488b995197abd96e497058
SHA512

7aeebbea95f51cffb28d929d1f620a73873b96f3c3ece7448a50fed51f0fecff31e61b41b5e9ced58a9998eda83a30f08e1c0cd440b7eeb4c488e4b36bdc3df0
SSDEEP

1536:vKLmTn93wcPNoUb9h9eF3G0ZDurhWDlJY47qRIZU3upBn52158pqKmY7:vTL93toUb9KF3GIGAY4+CZU3k5215Xz

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

Attributes

delay
1
install
true
install_file
update.exe
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/piJ4a3wb

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/0x0004000000004ed7-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2596	update.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	pastebin.com
5	pastebin.com

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
2832	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
2732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2844	soundpad.exe
2844	soundpad.exe
2844	soundpad.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	soundpad.exe
Token: SeDebugPrivilege	2596	update.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2288	2844	soundpad.exe	32
PID 2844 wrote to memory of 2288	2844	soundpad.exe	32
PID 2844 wrote to memory of 2288	2844	soundpad.exe	32
PID 2844 wrote to memory of 2820	2844	soundpad.exe	34
PID 2844 wrote to memory of 2820	2844	soundpad.exe	34
PID 2844 wrote to memory of 2820	2844	soundpad.exe	34
PID 2288 wrote to memory of 2732	2288	cmd.exe	36
PID 2288 wrote to memory of 2732	2288	cmd.exe	36
PID 2288 wrote to memory of 2732	2288	cmd.exe	36
PID 2820 wrote to memory of 2832	2820	cmd.exe	37
PID 2820 wrote to memory of 2832	2820	cmd.exe	37
PID 2820 wrote to memory of 2832	2820	cmd.exe	37
PID 2820 wrote to memory of 2596	2820	cmd.exe	38
PID 2820 wrote to memory of 2596	2820	cmd.exe	38
PID 2820 wrote to memory of 2596	2820	cmd.exe	38

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\soundpad.exe
"C:\Users\Admin\AppData\Local\Temp\soundpad.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "update" /tr '"C:\Users\Admin\AppData\Roaming\update.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "update" /tr '"C:\Users\Admin\AppData\Roaming\update.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2732
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpE7C0.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2832
- - C:\Users\Admin\AppData\Roaming\update.exe
    "C:\Users\Admin\AppData\Roaming\update.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2596

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE7C0.tmp.bat

Filesize
150B

MD5
8d56b76ed7a7a0d421732c577f334120

SHA1
4c52a951f82caac3727c18806dd158f5d8ffbfbf

SHA256
1fe77dba2c43695a7282cacc9b13aa8b35e66b67df81a25df60d94b6b94165a6

SHA512
34f30d95b4173426f076f71615adbfac119e31657c3dc8921436e28945d0bc131e534d89ed5bbe532e6f48c0a03cd8f2c914fd5d76dc46a71fb131cb23deb749

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

Filesize
110KB

MD5
3870690adc7c168e285a3c9b2c2b572a

SHA1
eeb416a6b4f9d052544f6845a5ec93ad063e2ba1

SHA256
cade54e2c8a16ec81171dcfd14e63d66cb81502625488b995197abd96e497058

SHA512
7aeebbea95f51cffb28d929d1f620a73873b96f3c3ece7448a50fed51f0fecff31e61b41b5e9ced58a9998eda83a30f08e1c0cd440b7eeb4c488e4b36bdc3df0

Download Submit
memory/2596-17-0x00000000010F0000-0x0000000001112000-memory.dmp

Filesize
136KB

Download
memory/2844-0-0x000007FEF5EE3000-0x000007FEF5EE4000-memory.dmp

Filesize
4KB

Download
memory/2844-1-0x0000000001150000-0x0000000001172000-memory.dmp

Filesize
136KB

Download
memory/2844-2-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/2844-3-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/2844-12-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads