asyncrat | 84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89

General

Target

84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe
Size

63KB
MD5

8b5d09ffbbfc800578025d9aff31ac68
SHA1

cdeea0a7ffb18502d7cae832a13f6294285904ae
SHA256

84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89
SHA512

a22e73029e4387b70c4242a2beef317b96a32996d523a76580914cd5582b3580f0de9d691aa1e688f74042463f7f8c10c2cd5ce3a3d2b178656c0fd84106a589
SSDEEP

768:spDxI6PfZ778/IC8A+X3uazcBRL5JTk1+T4KSBGHmDbD/ph0oX/CLcCaSuEdpqKX:+62ZBwdSJYUbdh9/tiuEdpqKmY7

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

mode-clusters.gl.at.ply.gg:36304

Attributes

delay
1
install
true
install_file
Defender.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/0x00080000000120fd-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2424	Defender.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
2464	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
2236	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe
2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe
Token: SeDebugPrivilege	2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe
Token: SeDebugPrivilege	2424	Defender.exe
Token: SeDebugPrivilege	2424	Defender.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2140	2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe	28
PID 2448 wrote to memory of 2140	2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe	28
PID 2448 wrote to memory of 2140	2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe	28
PID 2448 wrote to memory of 2276	2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe	30
PID 2448 wrote to memory of 2276	2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe	30
PID 2448 wrote to memory of 2276	2448	84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe	30
PID 2140 wrote to memory of 2236	2140	cmd.exe	32
PID 2140 wrote to memory of 2236	2140	cmd.exe	32
PID 2140 wrote to memory of 2236	2140	cmd.exe	32
PID 2276 wrote to memory of 2464	2276	cmd.exe	33
PID 2276 wrote to memory of 2464	2276	cmd.exe	33
PID 2276 wrote to memory of 2464	2276	cmd.exe	33
PID 2276 wrote to memory of 2424	2276	cmd.exe	34
PID 2276 wrote to memory of 2424	2276	cmd.exe	34
PID 2276 wrote to memory of 2424	2276	cmd.exe	34

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\84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe
"C:\Users\Admin\AppData\Local\Temp\84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Defender" /tr '"C:\Users\Admin\AppData\Roaming\Defender.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "Defender" /tr '"C:\Users\Admin\AppData\Roaming\Defender.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2236
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp94EF.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2464
- - C:\Users\Admin\AppData\Roaming\Defender.exe
    "C:\Users\Admin\AppData\Roaming\Defender.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2424

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\tmp94EF.tmp.bat

Filesize
152B

MD5
9d146a5044ae3b36c591e507bb1a4066

SHA1
67ddaedee18457e30509f24dd90f7594ab6be387

SHA256
7b24e13f5f52b79018f776d3e4d18b4db20c48b60b4c2688f93bd26329d4cfc6

SHA512
c576a5ad297a7114adb033c565e74e5b57f5f061878d7fa924efef13549841d03b7f26b2c2f56fd245fb8afe9e833c70d7417d4334bf1422456a6bbe7816de71

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

Filesize
63KB

MD5
8b5d09ffbbfc800578025d9aff31ac68

SHA1
cdeea0a7ffb18502d7cae832a13f6294285904ae

SHA256
84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89

SHA512
a22e73029e4387b70c4242a2beef317b96a32996d523a76580914cd5582b3580f0de9d691aa1e688f74042463f7f8c10c2cd5ce3a3d2b178656c0fd84106a589

Download Submit
memory/2424-17-0x0000000000180000-0x0000000000196000-memory.dmp

Filesize
88KB

Download
memory/2448-0-0x000007FEF5343000-0x000007FEF5344000-memory.dmp

Filesize
4KB

Download
memory/2448-1-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/2448-2-0x000007FEF5340000-0x000007FEF5D2C000-memory.dmp

Filesize
9.9MB

Download
memory/2448-3-0x000007FEF5340000-0x000007FEF5D2C000-memory.dmp

Filesize
9.9MB

Download
memory/2448-13-0x000007FEF5340000-0x000007FEF5D2C000-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