asyncrat | 6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027

Resubmissions

29/12/2022, 16:15

221229-tqnx6agf9t 6

29/12/2022, 16:01

221229-tgazyadd76 10

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2022, 16:01

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General

Target

6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe
Size

542KB
MD5

dfd7769ca24e896910aa19936993b79d
SHA1

79aab4f713ce6dbe6e0ea7bfc0f03580fe8be7ed
SHA256

6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027
SHA512

1b17b0d99520863f20b5b7d195984c14d639ff2e22771709a193ed82dad4af85821f2cd4c30bb82c69db8913c9a4b7355fb9adebf4cf941b90a69557aecc6074
SSDEEP

12288:KHxsvGS/ePX+g7R0PJQLAoKy7ce9ahJsMW:WKOS/ePX+Hy7ZIQ

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

infodate.ddns.net:7777

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/2608-134-0x0000000000000000-mapping.dmp	asyncrat
behavioral2/memory/2608-135-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JKJKY(Q^&^&Q^W(Q&W = "C:\\Users\\Admin\\AppData\\Roaming\\ProPlayer\\windows.exe.exe"	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4688 set thread context of 2608	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	88

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 4864	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	87
PID 4688 wrote to memory of 4864	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	87
PID 4688 wrote to memory of 4864	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	87
PID 4688 wrote to memory of 2608	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	88
PID 4688 wrote to memory of 2608	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	88
PID 4688 wrote to memory of 2608	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	88
PID 4688 wrote to memory of 2608	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	88
PID 4688 wrote to memory of 2608	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	88
PID 4688 wrote to memory of 2608	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	88
PID 4688 wrote to memory of 2608	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	88
PID 4688 wrote to memory of 2608	4688	6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe	88

C:\Users\Admin\AppData\Local\Temp\6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe
"C:\Users\Admin\AppData\Local\Temp\6a46b47c7f4899a35078efa1d1e1dbf946f832cec0b9838d9899b3ef53335027.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4864
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2608-135-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download