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/0x000c00000001926b-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2804	windows defender firewall.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
2800	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
2756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1880	1P4SR_tryagainplease.exe
1880	1P4SR_tryagainplease.exe
1880	1P4SR_tryagainplease.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1880	1P4SR_tryagainplease.exe
Token: SeDebugPrivilege	2804	windows defender firewall.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1884	1880	1P4SR_tryagainplease.exe	31
PID 1880 wrote to memory of 1884	1880	1P4SR_tryagainplease.exe	31
PID 1880 wrote to memory of 1884	1880	1P4SR_tryagainplease.exe	31
PID 1880 wrote to memory of 1964	1880	1P4SR_tryagainplease.exe	33
PID 1880 wrote to memory of 1964	1880	1P4SR_tryagainplease.exe	33
PID 1880 wrote to memory of 1964	1880	1P4SR_tryagainplease.exe	33
PID 1884 wrote to memory of 2756	1884	cmd.exe	35
PID 1884 wrote to memory of 2756	1884	cmd.exe	35
PID 1884 wrote to memory of 2756	1884	cmd.exe	35
PID 1964 wrote to memory of 2800	1964	cmd.exe	36
PID 1964 wrote to memory of 2800	1964	cmd.exe	36
PID 1964 wrote to memory of 2800	1964	cmd.exe	36
PID 1964 wrote to memory of 2804	1964	cmd.exe	37
PID 1964 wrote to memory of 2804	1964	cmd.exe	37
PID 1964 wrote to memory of 2804	1964	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:1880
- 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:1884
- - 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:2756
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpDA19.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2800
- - 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:2804

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\tmpDA19.tmp.bat

Filesize
169B

MD5
fa681d0cda4df046a4d6d048c532551a

SHA1
fbd46cb1c4b8b72a059c1af79cef29a0f506ab6e

SHA256
09570218976bd5acf9ffac47054d04be15e7eabd9fe7d0701f3369d7cf2b2b00

SHA512
0e04c3bde5ecf5dc6d027e91d150c5c53854333a4cb2cdc67a41f71bb154ca3c32a09fd7048614b4752ead429a9cc3ae6c8fc7c283032f017a5c9159a5e2e827

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

Filesize
63KB

MD5
11ee3cbc775dd3ffb5ee383aa250e46c

SHA1
06969e1b529d4caf9f2efc37c71ce1bd739fbc26

SHA256
29c74b4d8f3f1ac56cae20be01b8969ee412427e6c4a2d5e2aab678eb53ed83e

SHA512
4bedbda5ce9e6f02eb72a965a56f2cfdba5229361bda7391ac71a2daa6636a48866f98504e5ff61991df6c587af129746b7399bc2d88594569ef38df19a1adfd

Download Submit
memory/1880-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

Filesize
4KB

Download
memory/1880-1-0x0000000000CF0000-0x0000000000D06000-memory.dmp

Filesize
88KB

Download
memory/1880-2-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/1880-3-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/1880-13-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/2804-17-0x00000000003F0000-0x0000000000406000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads