asyncrat | 0cf56180a9d22a0bc95513782d3db869afc5af210f6369b29cec293539e503fc

General

Target

b0c9f58978ea18389d8d8af9f3e767e7.exe
Size

47KB
MD5

b0c9f58978ea18389d8d8af9f3e767e7
SHA1

28a1252aff353a9d3a80bfc518099ebcb950384d
SHA256

0cf56180a9d22a0bc95513782d3db869afc5af210f6369b29cec293539e503fc
SHA512

f0dbfee9c6fa24acce552a0bbc7dc676e10d8efa1278c06eb35808083ece9d65d4e77ba3fb25a0ae225ad19124c228b23859b3dce0c37cf6ed6fbfc67447f586
SSDEEP

768:QugvNTjgkH7F7WUHF9pmo2q7afiTgDI5/PIbvn60bySmNTCilzkxJwpfShDBDZAx:QugvNTcIb2FQeUYbvlbyhCilzkxJwp6k

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

child-completing.gl.at.ply.gg:55389

Mutex

n2CyPXfvQuRA

Attributes

delay
3
install
true
install_file
test.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/0x000a000000014f57-13.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2716	test.exe

Loads dropped DLL 1 IoCs

pid	Process
2792	cmd.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
2688	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
2428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2908	b0c9f58978ea18389d8d8af9f3e767e7.exe
2908	b0c9f58978ea18389d8d8af9f3e767e7.exe
2908	b0c9f58978ea18389d8d8af9f3e767e7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	b0c9f58978ea18389d8d8af9f3e767e7.exe
Token: SeDebugPrivilege	2716	test.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2692	2908	b0c9f58978ea18389d8d8af9f3e767e7.exe	29
PID 2908 wrote to memory of 2692	2908	b0c9f58978ea18389d8d8af9f3e767e7.exe	29
PID 2908 wrote to memory of 2692	2908	b0c9f58978ea18389d8d8af9f3e767e7.exe	29
PID 2908 wrote to memory of 2692	2908	b0c9f58978ea18389d8d8af9f3e767e7.exe	29
PID 2908 wrote to memory of 2792	2908	b0c9f58978ea18389d8d8af9f3e767e7.exe	31
PID 2908 wrote to memory of 2792	2908	b0c9f58978ea18389d8d8af9f3e767e7.exe	31
PID 2908 wrote to memory of 2792	2908	b0c9f58978ea18389d8d8af9f3e767e7.exe	31
PID 2908 wrote to memory of 2792	2908	b0c9f58978ea18389d8d8af9f3e767e7.exe	31
PID 2692 wrote to memory of 2428	2692	cmd.exe	33
PID 2692 wrote to memory of 2428	2692	cmd.exe	33
PID 2692 wrote to memory of 2428	2692	cmd.exe	33
PID 2692 wrote to memory of 2428	2692	cmd.exe	33
PID 2792 wrote to memory of 2688	2792	cmd.exe	34
PID 2792 wrote to memory of 2688	2792	cmd.exe	34
PID 2792 wrote to memory of 2688	2792	cmd.exe	34
PID 2792 wrote to memory of 2688	2792	cmd.exe	34
PID 2792 wrote to memory of 2716	2792	cmd.exe	35
PID 2792 wrote to memory of 2716	2792	cmd.exe	35
PID 2792 wrote to memory of 2716	2792	cmd.exe	35
PID 2792 wrote to memory of 2716	2792	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\b0c9f58978ea18389d8d8af9f3e767e7.exe
"C:\Users\Admin\AppData\Local\Temp\b0c9f58978ea18389d8d8af9f3e767e7.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "test" /tr '"C:\Users\Admin\AppData\Roaming\test.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "test" /tr '"C:\Users\Admin\AppData\Roaming\test.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2428
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp275E.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2688
- - C:\Users\Admin\AppData\Roaming\test.exe
    "C:\Users\Admin\AppData\Roaming\test.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2716

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp275E.tmp.bat

Filesize
148B

MD5
cbe71938c59e8bb4471b1f5f4b0c48ac

SHA1
f8bfb2c4540042644c5aa784592972789fd3a31f

SHA256
dc8747526f9834454102ccd44307673b42c45bd0a38390fc7bba8f7d4a9468f5

SHA512
100f7e468d8ae6b1380ac51e58b1dc8f8f5fb9b02716312f62371c4282ae92c757c2b4950c027860360d1b6602dfd6d5d6f489b1e9a17c1225c470ab186cf530

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

Filesize
47KB

MD5
b0c9f58978ea18389d8d8af9f3e767e7

SHA1
28a1252aff353a9d3a80bfc518099ebcb950384d

SHA256
0cf56180a9d22a0bc95513782d3db869afc5af210f6369b29cec293539e503fc

SHA512
f0dbfee9c6fa24acce552a0bbc7dc676e10d8efa1278c06eb35808083ece9d65d4e77ba3fb25a0ae225ad19124c228b23859b3dce0c37cf6ed6fbfc67447f586

Download Submit
memory/2716-16-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download
memory/2908-0-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/2908-1-0x00000000011C0000-0x00000000011D2000-memory.dmp

Filesize
72KB

Download
memory/2908-2-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-12-0x0000000074050000-0x000000007473E000-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