asyncrat | add6234329d65ae878b6112d7d63d6641b842d28c0fa2fa5fbbb09a1b835bc0c

Analysis

max time kernel
126s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:08

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General

Target

23f2f3a3cdfd8142daa853ff68baaf99.exe
Size

63KB
MD5

23f2f3a3cdfd8142daa853ff68baaf99
SHA1

c31d3187ed6d0c22ea444251e6b4b457192f9ddb
SHA256

a9acdad51d3734d9b20c064edd822c12ab0652bbc8fee7b614bf958a8dfc3f29
SHA512

aaea969d2be58c8f90298261b059f2be39dad96700549251ad84d59f4eabfde104b5af512a281016acee9ac4261146fdea6a22e750e265cad144feb22a7d106a
SSDEEP

768:ekh9PXn1w787gC8A+XvqazcBRL5JTk1+T4KSBGHmDbD/ph0oXLb8/odR2sYuSu3p:VR1gMdSJYUbdh9Lb8W2D5u35pqKmY7

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

27.ip.gl.ply.gg:1365

Attributes

delay
120
install
true
install_file
svchost.exe
install_folder
%Temp%

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
behavioral22/files/0x000800000002429a-11.dat	family_asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	23f2f3a3cdfd8142daa853ff68baaf99.exe

Executes dropped EXE 1 IoCs

pid	Process
5900	svchost.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

defense_evasion

pid	Process
5036	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
6092	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
5708	23f2f3a3cdfd8142daa853ff68baaf99.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5708	23f2f3a3cdfd8142daa853ff68baaf99.exe
Token: SeDebugPrivilege	5708	23f2f3a3cdfd8142daa853ff68baaf99.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5708 wrote to memory of 4584	5708	23f2f3a3cdfd8142daa853ff68baaf99.exe	101
PID 5708 wrote to memory of 4584	5708	23f2f3a3cdfd8142daa853ff68baaf99.exe	101
PID 5708 wrote to memory of 736	5708	23f2f3a3cdfd8142daa853ff68baaf99.exe	103
PID 5708 wrote to memory of 736	5708	23f2f3a3cdfd8142daa853ff68baaf99.exe	103
PID 736 wrote to memory of 5036	736	cmd.exe	105
PID 736 wrote to memory of 5036	736	cmd.exe	105
PID 4584 wrote to memory of 6092	4584	cmd.exe	106
PID 4584 wrote to memory of 6092	4584	cmd.exe	106
PID 736 wrote to memory of 5900	736	cmd.exe	107
PID 736 wrote to memory of 5900	736	cmd.exe	107

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\23f2f3a3cdfd8142daa853ff68baaf99.exe
"C:\Users\Admin\AppData\Local\Temp\23f2f3a3cdfd8142daa853ff68baaf99.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5708
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4584
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:6092
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7BFC.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:736
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:5036
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Executes dropped EXE
    PID:5900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
63KB

MD5
23f2f3a3cdfd8142daa853ff68baaf99

SHA1
c31d3187ed6d0c22ea444251e6b4b457192f9ddb

SHA256
a9acdad51d3734d9b20c064edd822c12ab0652bbc8fee7b614bf958a8dfc3f29

SHA512
aaea969d2be58c8f90298261b059f2be39dad96700549251ad84d59f4eabfde104b5af512a281016acee9ac4261146fdea6a22e750e265cad144feb22a7d106a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7BFC.tmp.bat

Filesize
154B

MD5
80837f77620be811a273e4430c3dd469

SHA1
a6c60054dc713a5ab81119cced4e14f8590fdb84

SHA256
ef702d6e8ddd152f2a2cafe00ab64b148e5c2b31026a36be8a53dae86b116b2b

SHA512
32262075fc11da89f822d0a59577046c1c1e9b7ee1ed1d6414d18ec136e35f003afc716c6109bea284347227e051c15557e040e4edb14e7271869ba2789b6207

Download Submit
memory/5708-1-0x00000000000A0000-0x00000000000B6000-memory.dmp

Filesize
88KB

Download
memory/5708-0-0x00007FFCB6F53000-0x00007FFCB6F55000-memory.dmp

Filesize
8KB

Download
memory/5708-2-0x00007FFCB6F53000-0x00007FFCB6F55000-memory.dmp

Filesize
8KB

Download
memory/5708-3-0x00007FFCB6F50000-0x00007FFCB7A11000-memory.dmp

Filesize
10.8MB

Download
memory/5708-8-0x00007FFCB6F50000-0x00007FFCB7A11000-memory.dmp

Filesize
10.8MB

Download
memory/5708-9-0x00007FFCB6F50000-0x00007FFCB7A11000-memory.dmp

Filesize
10.8MB

Download