asyncrat | 32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0

Analysis

max time kernel
132s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 10:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

xxxx.exe
Size

122KB
MD5

31fa485283c090077fb15a0831fd89f7
SHA1

5be3539600b869f25da4295c7cc350a4ade483d6
SHA256

32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0
SHA512

305d538bbe84191779ce6315bff8193ce0b202c5ed664127713c207549297485ee416aee984d39eae436d5482310581bb8db584ce6f84145fc6f32e7098b6f27
SSDEEP

3072:xBuOLHvgPzYnl8YZ0vOeXws/v7ZEguR7fIZr+Crqxstpn6V13Yd:XHZeYZ0v3wsaPQCIz6V

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

62.113.117.95:4449

Mutex

hwelcvbupaqfzors

Attributes

delay
10
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 2696	2720	xxxx.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	xxxx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2696	RegAsm.exe
2696	RegAsm.exe
2696	RegAsm.exe
2696	RegAsm.exe
2696	RegAsm.exe
2696	RegAsm.exe
2696	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2696	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32
PID 2720 wrote to memory of 2696	2720	xxxx.exe	32

C:\Users\Admin\AppData\Local\Temp\xxxx.exe
"C:\Users\Admin\AppData\Local\Temp\xxxx.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2696

Network

MITRE ATT&CK Enterprise v15

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

Loading Replay Monitor...

Downloads

memory/2696-13-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2696-11-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2696-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2696-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2696-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2696-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2696-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2720-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/2720-1-0x0000000001340000-0x0000000001364000-memory.dmp

Filesize
144KB

Download
memory/2720-14-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download