asyncrat | 32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0

General

Target

32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.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

C2

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 2100 set thread context of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33

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	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2408	RegAsm.exe
2408	RegAsm.exe
2408	RegAsm.exe
2408	RegAsm.exe
2408	RegAsm.exe
2408	RegAsm.exe
2408	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2408	RegAsm.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 1616	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	31
PID 2100 wrote to memory of 1616	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	31
PID 2100 wrote to memory of 1616	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	31
PID 2100 wrote to memory of 1616	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	31
PID 2100 wrote to memory of 1616	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	31
PID 2100 wrote to memory of 1616	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	31
PID 2100 wrote to memory of 1616	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	31
PID 2100 wrote to memory of 2412	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	32
PID 2100 wrote to memory of 2412	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	32
PID 2100 wrote to memory of 2412	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	32
PID 2100 wrote to memory of 2412	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	32
PID 2100 wrote to memory of 2412	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	32
PID 2100 wrote to memory of 2412	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	32
PID 2100 wrote to memory of 2412	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	32
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33
PID 2100 wrote to memory of 2408	2100	32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe	33

C:\Users\Admin\AppData\Local\Temp\32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe
"C:\Users\Admin\AppData\Local\Temp\32268f4d7203997102b3e92c592dc498e407f0d8786a1107d633d9495fc9f2b0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1616
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2412
- 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:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2100-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2100-1-0x00000000013B0000-0x00000000013D4000-memory.dmp

Filesize
144KB

Download
memory/2100-14-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-13-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2408-11-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2408-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2408-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2408-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2408-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2408-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2408-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

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