asyncrat | aea3e89e45a33441bcd06c990282f8601eb960a641c611222dce2fe09685e603

General

Target

Loader.exe
Size

63KB
MD5

7ceb11ebb7a55e33a82bc3b66f554e79
SHA1

8dfd574ad06ded662d92d81b72f14c1914ac45b5
SHA256

aea3e89e45a33441bcd06c990282f8601eb960a641c611222dce2fe09685e603
SHA512

d8cd7af50996015163c8926fc7b6df6a6e2c0b3f6c8fcff37cad5b72fed115f7134723d99f61a20576b83e67107a3a410f5ef2312191446b3d0759cb739e6ccd
SSDEEP

768:rig6BqomfHz4c78F3C8A+XuLvRIOdJD7P7DEhfW1+T4iSBGHmDbDOphLoXaHnCtB:i+4/WD7jhBYUbghiynCCundpqKmY7

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

technical-southwest.gl.at.ply.gg:58694

Attributes

delay
1
install
true
install_file
WINDOWS.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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\WINDOWS.exe	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

WINDOWS.exe

pid process

2988 WINDOWS.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

Processes:

timeout.exe

pid process

424 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

Processes:

schtasks.exe

pid process

1892 schtasks.exe

pid	process
2988	WINDOWS.exe

pid	process
424	timeout.exe

pid	process
1892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Loader.exeWINDOWS.exe

pid	process
2076	Loader.exe
2076	Loader.exe
2076	Loader.exe
2076	Loader.exe
2076	Loader.exe
2076	Loader.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe
2988	WINDOWS.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Loader.exeWINDOWS.exe

description	pid	process
Token: SeDebugPrivilege	2076	Loader.exe
Token: SeDebugPrivilege	2076	Loader.exe
Token: SeDebugPrivilege	2988	WINDOWS.exe
Token: SeDebugPrivilege	2988	WINDOWS.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Loader.execmd.execmd.exe

description	pid	process	target process
PID 2076 wrote to memory of 3000	2076	Loader.exe	cmd.exe
PID 2076 wrote to memory of 3000	2076	Loader.exe	cmd.exe
PID 2076 wrote to memory of 3000	2076	Loader.exe	cmd.exe
PID 2076 wrote to memory of 2920	2076	Loader.exe	cmd.exe
PID 2076 wrote to memory of 2920	2076	Loader.exe	cmd.exe
PID 2076 wrote to memory of 2920	2076	Loader.exe	cmd.exe
PID 2920 wrote to memory of 424	2920	cmd.exe	timeout.exe
PID 2920 wrote to memory of 424	2920	cmd.exe	timeout.exe
PID 2920 wrote to memory of 424	2920	cmd.exe	timeout.exe
PID 3000 wrote to memory of 1892	3000	cmd.exe	schtasks.exe
PID 3000 wrote to memory of 1892	3000	cmd.exe	schtasks.exe
PID 3000 wrote to memory of 1892	3000	cmd.exe	schtasks.exe
PID 2920 wrote to memory of 2988	2920	cmd.exe	WINDOWS.exe
PID 2920 wrote to memory of 2988	2920	cmd.exe	WINDOWS.exe
PID 2920 wrote to memory of 2988	2920	cmd.exe	WINDOWS.exe

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\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WINDOWS" /tr '"C:\Users\Admin\AppData\Roaming\WINDOWS.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "WINDOWS" /tr '"C:\Users\Admin\AppData\Roaming\WINDOWS.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1892
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC7A3.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:424
- - C:\Users\Admin\AppData\Roaming\WINDOWS.exe
    "C:\Users\Admin\AppData\Roaming\WINDOWS.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2988

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\CabE1AA.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC7A3.tmp.bat

Filesize
151B

MD5
82a6322be00be162525df43bd820f71e

SHA1
c8043da64a266f4e7bd5446600cbe4cf62ac6697

SHA256
baeddb14b58ac759b969fc09a8b427443c555f95553a8910b4deab52aa9c8c87

SHA512
cf5bef48541033c8f2fd788055a23433cdcf9f55a74ac631bb9c6af3e9ed32df0b6b3b188256761c3221e95ead630d9ddd86c1ca35871fe9238b37730433db7f

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

Filesize
63KB

MD5
7ceb11ebb7a55e33a82bc3b66f554e79

SHA1
8dfd574ad06ded662d92d81b72f14c1914ac45b5

SHA256
aea3e89e45a33441bcd06c990282f8601eb960a641c611222dce2fe09685e603

SHA512
d8cd7af50996015163c8926fc7b6df6a6e2c0b3f6c8fcff37cad5b72fed115f7134723d99f61a20576b83e67107a3a410f5ef2312191446b3d0759cb739e6ccd

Download Submit
memory/2076-0-0x000007FEF5163000-0x000007FEF5164000-memory.dmp

Filesize
4KB

Download
memory/2076-1-0x0000000000FF0000-0x0000000001006000-memory.dmp

Filesize
88KB

Download
memory/2076-2-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

Filesize
9.9MB

Download
memory/2076-3-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

Filesize
9.9MB

Download
memory/2076-13-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

Filesize
9.9MB

Download
memory/2988-17-0x0000000000970000-0x0000000000986000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads