asyncrat | 29c74b4d8f3f1ac56cae20be01b8969ee412427e6c4a2d5e2aab678eb53ed83e

General

Target

1P4SR_tryagainplease.exe
Size

63KB
MD5

11ee3cbc775dd3ffb5ee383aa250e46c
SHA1

06969e1b529d4caf9f2efc37c71ce1bd739fbc26
SHA256

29c74b4d8f3f1ac56cae20be01b8969ee412427e6c4a2d5e2aab678eb53ed83e
SHA512

4bedbda5ce9e6f02eb72a965a56f2cfdba5229361bda7391ac71a2daa6636a48866f98504e5ff61991df6c587af129746b7399bc2d88594569ef38df19a1adfd
SSDEEP

768:xtM6NqDuiP/tkiP9JqBIe1wl5SNyNs1+ZSCv7mqb2nrpwH1ol9v68GhZVc6KN:xiDBlnecNsPGbbOwq9fGhZVclN

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

127.0.0.1:7707

127.0.0.1:23198

benefits-required.gl.at.ply.gg:23198:7707

benefits-required.gl.at.ply.gg:23198:23198

Mutex

roaroaroaraoroaroaraoraoraoarororrohrorororoaroaaoaoaoaroaroar

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/0x000b000000012263-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2880	windows defender firewall.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2736	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
2304	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2376	1P4SR_tryagainplease.exe
2376	1P4SR_tryagainplease.exe
2376	1P4SR_tryagainplease.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	1P4SR_tryagainplease.exe
Token: SeDebugPrivilege	2880	windows defender firewall.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2348	2376	1P4SR_tryagainplease.exe	31
PID 2376 wrote to memory of 2348	2376	1P4SR_tryagainplease.exe	31
PID 2376 wrote to memory of 2348	2376	1P4SR_tryagainplease.exe	31
PID 2376 wrote to memory of 2772	2376	1P4SR_tryagainplease.exe	32
PID 2376 wrote to memory of 2772	2376	1P4SR_tryagainplease.exe	32
PID 2376 wrote to memory of 2772	2376	1P4SR_tryagainplease.exe	32
PID 2348 wrote to memory of 2304	2348	cmd.exe	35
PID 2348 wrote to memory of 2304	2348	cmd.exe	35
PID 2348 wrote to memory of 2304	2348	cmd.exe	35
PID 2772 wrote to memory of 2736	2772	cmd.exe	36
PID 2772 wrote to memory of 2736	2772	cmd.exe	36
PID 2772 wrote to memory of 2736	2772	cmd.exe	36
PID 2772 wrote to memory of 2880	2772	cmd.exe	37
PID 2772 wrote to memory of 2880	2772	cmd.exe	37
PID 2772 wrote to memory of 2880	2772	cmd.exe	37

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\1P4SR_tryagainplease.exe
"C:\Users\Admin\AppData\Local\Temp\1P4SR_tryagainplease.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376
- 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:2348
- - 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:2304
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpDB13.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2736
- - 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:2880

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDB13.tmp.bat

Filesize
169B

MD5
d9eb44da2d754f1e64ff2e31d99387f5

SHA1
ce3ccfecc21c86a1f28b12b93274cb26663a4743

SHA256
3b8c48db75a57cc988782c4c0b60e434030d82a46aad7a8b82ff094518dd0819

SHA512
67aeb6953267d8e9f34ca4fb860ca1d802b54dbdd88da7e9cca53f619df7f30ff23e1374ac5be43c0c15bce126164613ff7e9693a2f3031d97590c919fb66ea1

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

Filesize
63KB

MD5
11ee3cbc775dd3ffb5ee383aa250e46c

SHA1
06969e1b529d4caf9f2efc37c71ce1bd739fbc26

SHA256
29c74b4d8f3f1ac56cae20be01b8969ee412427e6c4a2d5e2aab678eb53ed83e

SHA512
4bedbda5ce9e6f02eb72a965a56f2cfdba5229361bda7391ac71a2daa6636a48866f98504e5ff61991df6c587af129746b7399bc2d88594569ef38df19a1adfd

Download Submit
memory/2376-0-0x000007FEF58D3000-0x000007FEF58D4000-memory.dmp

Filesize
4KB

Download
memory/2376-1-0x0000000000C90000-0x0000000000CA6000-memory.dmp

Filesize
88KB

Download
memory/2376-2-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

Filesize
9.9MB

Download
memory/2376-11-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

Filesize
9.9MB

Download
memory/2376-13-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

Filesize
9.9MB

Download
memory/2880-17-0x0000000000960000-0x0000000000976000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads