asyncrat | 3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69bf765371529aa07db9f

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 16:11

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General

Target

3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe
Size

1.1MB
MD5

46441da6848047284fdd6a2dfa19b802
SHA1

bbafc91be5b5c0a1248aac8e485aea1a7a4fa03c
SHA256

3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69bf765371529aa07db9f
SHA512

dc409438ede1e2323f2cda5d80bd9653e69d2b2032f71f24c891b9eb8974c0a02862f69bac427040ba842f80816a926c0da9e14774e94aa94094e58e10988e09
SSDEEP

24576:VGww9lBnPggHU8mVJvw6ZSYqF72ukygkw0+iAjuS0tdAgxYnGGq:4h08mTNZMF7t/rr60td2na

Score

10^/10

asyncrat domain discovery rat

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Domain

jojo.ath.cx:1414

Mutex

AsyncMutex_7SI8OkPne

Attributes

delay
3
install
false
install_file
dllscv.exe
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 NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3716 created 3540	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	56

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\smcdll.vbs	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3716 set thread context of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82

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	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe
3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe
3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe
4812	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe
Token: SeDebugPrivilege	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe
Token: SeDebugPrivilege	4812	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4812	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82
PID 3716 wrote to memory of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82
PID 3716 wrote to memory of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82
PID 3716 wrote to memory of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82
PID 3716 wrote to memory of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82
PID 3716 wrote to memory of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82
PID 3716 wrote to memory of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82
PID 3716 wrote to memory of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82
PID 3716 wrote to memory of 4812	3716	3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe	82

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3540
- C:\Users\Admin\AppData\Local\Temp\3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe
  "C:\Users\Admin\AppData\Local\Temp\3e18bdf74f3caef770a7edcf748bdaf0e6a4a21664e69.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3716
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4812

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

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Downloads

memory/3716-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/3716-1-0x0000000000560000-0x0000000000688000-memory.dmp

Filesize
1.2MB

Download
memory/3716-2-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/3716-3-0x0000000005060000-0x0000000005162000-memory.dmp

Filesize
1.0MB

Download
memory/3716-4-0x0000000005160000-0x0000000005264000-memory.dmp

Filesize
1.0MB

Download
memory/3716-20-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-16-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-14-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-18-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-60-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-68-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-66-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-64-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-62-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-58-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-56-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-54-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-52-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-50-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-48-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-46-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-44-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-42-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-40-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-38-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-34-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-32-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-31-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-28-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-24-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-12-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-10-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-9-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-36-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-26-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-22-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-6-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-5-0x0000000005160000-0x000000000525D000-memory.dmp

Filesize
1012KB

Download
memory/3716-1323-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1324-0x0000000005390000-0x00000000053EE000-memory.dmp

Filesize
376KB

Download
memory/3716-1325-0x00000000054D0000-0x000000000552C000-memory.dmp

Filesize
368KB

Download
memory/3716-1326-0x0000000005530000-0x000000000557C000-memory.dmp

Filesize
304KB

Download
memory/3716-1327-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/3716-1328-0x00000000055A0000-0x00000000055F4000-memory.dmp

Filesize
336KB

Download
memory/3716-1334-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1336-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1340-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1339-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-1338-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4812-1341-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-1342-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-1343-0x0000000005940000-0x00000000059D2000-memory.dmp

Filesize
584KB

Download
memory/4812-1344-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/4812-1347-0x0000000006B40000-0x0000000006BDC000-memory.dmp

Filesize
624KB

Download
memory/4812-1348-0x0000000006670000-0x00000000066D6000-memory.dmp

Filesize
408KB

Download
memory/4812-1349-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-1350-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download