asyncrat | dbadd138fcadb07f4be4f21666e2a17ac9821a13be6f6bf139808255919ed3cb

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 16:56

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General

Target

Stub.exe
Size

38KB
MD5

5fbd8561540a6246de5e402214da86d0
SHA1

65b29f52856448ec781efce09bb7f9ae3ffcf63d
SHA256

dbadd138fcadb07f4be4f21666e2a17ac9821a13be6f6bf139808255919ed3cb
SHA512

765e979688ddf1bc9bc6067467e49139d45248bef9b8221ac95cdffadcb981446888ad9a77fc56e1c4d7a4587c7202901c3c2432821dc5c8507d378364ff48fb
SSDEEP

768:kXaug0LrCc4duVtOjkR26/XgNhKwOuyj6TTyKDGdtrXDjkY5Z07:YafSXVtOGfgTKwr2bNE7

Score

10^/10

asyncrat discovery rat

Malware Config

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2300	1292	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	Stub.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2300	1292	Stub.exe	30
PID 1292 wrote to memory of 2300	1292	Stub.exe	30
PID 1292 wrote to memory of 2300	1292	Stub.exe	30
PID 1292 wrote to memory of 2300	1292	Stub.exe	30

C:\Users\Admin\AppData\Local\Temp\Stub.exe
"C:\Users\Admin\AppData\Local\Temp\Stub.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 516
  2⤵
  - Program crash
  PID:2300

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2384

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

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Downloads

memory/1292-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

Filesize
4KB

Download
memory/1292-1-0x0000000001300000-0x0000000001310000-memory.dmp

Filesize
64KB

Download