asyncrat | ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231

Analysis

max time kernel
60s
max time network
63s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
21/04/2025, 19:40

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General

Target

ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
Size

570KB
MD5

6ab23d16f93e86b98dcfe307f267bfd5
SHA1

a349276da5a1c5eef6f2b28e5326a4ad4b6f9c42
SHA256

ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231
SHA512

63d6b13a36002fdc4f67bda6abc6254d142f0df9bcd48bca8143c5eaa9934f9c084498b17dec826ba13a64e022264e95f7c296fa1d439a638a75eadc43fbe7be
SSDEEP

12288:bRXtpnVH9Az44BnvOCDhzcl0UdKndi2bnXWuk:bfd8z4byilBdlGX

Score

10^/10

asyncrat temmuz-29 discovery rat upx

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Temmuz-29

marsh3131.duckdns.org:1453

Mutex

cdskfdsk23refdS146Dfdm23

Attributes

delay
3
install
false
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8GaKjvqqim.vbs	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5880 set thread context of 5404	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	79

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5404-8-0x0000000000400000-0x0000000000430000-memory.dmp	upx
behavioral2/memory/5404-11-0x0000000000400000-0x0000000000430000-memory.dmp	upx
behavioral2/memory/5404-6-0x0000000000400000-0x0000000000430000-memory.dmp	upx
behavioral2/memory/5404-7-0x0000000000400000-0x0000000000430000-memory.dmp	upx
behavioral2/memory/5404-5-0x0000000000400000-0x0000000000430000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
4020	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5880 wrote to memory of 8	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	78
PID 5880 wrote to memory of 8	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	78
PID 5880 wrote to memory of 8	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	78
PID 5880 wrote to memory of 8	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	78
PID 5880 wrote to memory of 8	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	78
PID 5880 wrote to memory of 5404	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	79
PID 5880 wrote to memory of 5404	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	79
PID 5880 wrote to memory of 5404	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	79
PID 5880 wrote to memory of 4020	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	80
PID 5880 wrote to memory of 4020	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	80
PID 5880 wrote to memory of 4020	5880	ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe	80

C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
"C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5880
- C:\Windows\SysWOW64\notepad.exe
  Ҁ`䟐`Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:8
- C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
  "C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5404
- C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
  "C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe" 2 5404 240638921
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4020

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/8-13-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/4020-37-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/4020-56-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/4020-53-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/4020-54-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/4020-36-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/4020-38-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5404-41-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5404-29-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-28-0x00000000775C4000-0x00000000775C5000-memory.dmp

Filesize
4KB

Download
memory/5404-27-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-26-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-34-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-32-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-25-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-24-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-9-0x0000000000680000-0x0000000000692000-memory.dmp

Filesize
72KB

Download
memory/5404-59-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5404-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5404-10-0x0000000000680000-0x0000000000692000-memory.dmp

Filesize
72KB

Download
memory/5404-58-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-5-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5404-57-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5404-30-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-42-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-40-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-39-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-51-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-50-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-52-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5404-49-0x0000000075896000-0x0000000075897000-memory.dmp

Filesize
4KB

Download
memory/5404-48-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-47-0x00000000775C4000-0x00000000775C5000-memory.dmp

Filesize
4KB

Download
memory/5404-46-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-45-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-44-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-43-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5404-31-0x0000000075896000-0x0000000075897000-memory.dmp

Filesize
4KB

Download
memory/5404-33-0x0000000075880000-0x0000000075970000-memory.dmp

Filesize
960KB

Download
memory/5880-0-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/5880-1-0x0000000002570000-0x0000000002583000-memory.dmp

Filesize
76KB

Download
memory/5880-2-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download
memory/5880-12-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download