asyncrat | 33af568982557c9fdb0f6ba02be6bfcca82344581f06c4cc8a0f5bf7621ee9e1

Analysis

max time kernel
97s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 15:40

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General

Target

VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe
Size

1.1MB
MD5

9bb9d056b430ff1c641cab61fb26997d
SHA1

352fff3522797c70db432d05c5d6f070ede1714a
SHA256

b85cd3bc11b817252b19e13294b4b71c98bca3012fcc72201dc9e2d2ccbce0ea
SHA512

62bc7494cc1a605d039cbb5b2b796256f5c049ab6d34acb6de922ec1ff6806715bde8953119da9c0370f3c7d87462bed809c11a75e8c8e314c6b847ae8eb21f4
SSDEEP

24576:6wTKpxzdDajv7GRzyLskDtvVoBNSoGynXPkYY2D:6/pqDGhyXDtNoBNSWPk2D

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1132 created 3536	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	56

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Value.vbs	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1132 set thread context of 60	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	100

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	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe
Token: SeDebugPrivilege	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe
Token: SeDebugPrivilege	60	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 60	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	100
PID 1132 wrote to memory of 60	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	100
PID 1132 wrote to memory of 60	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	100
PID 1132 wrote to memory of 60	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	100
PID 1132 wrote to memory of 60	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	100
PID 1132 wrote to memory of 60	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	100
PID 1132 wrote to memory of 60	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	100
PID 1132 wrote to memory of 60	1132	VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3536
- C:\Users\Admin\AppData\Local\Temp\VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.exe
  "C:\Users\Admin\AppData\Local\Temp\VISUALIZAR PROCESO CON RADICADO 20015-50-30571-2024-01212-00; MOTIVO COBRO JURIDICO; 901379498; RAPI.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:1132
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:60

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/60-1198-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/60-1200-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/60-1201-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/60-1202-0x0000000003100000-0x000000000310A000-memory.dmp

Filesize
40KB

Download
memory/60-1203-0x0000000005BF0000-0x0000000005C8C000-memory.dmp

Filesize
624KB

Download
memory/60-1206-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/60-1205-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/60-1204-0x0000000005D00000-0x0000000005D66000-memory.dmp

Filesize
408KB

Download
memory/1132-40-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-28-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-38-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-24-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-16-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-12-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-50-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-66-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-68-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-64-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-62-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-60-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-58-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-56-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-54-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-52-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-48-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-46-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-44-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-42-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-4-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1132-36-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-34-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-32-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-30-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-3-0x0000000005940000-0x0000000005A2E000-memory.dmp

Filesize
952KB

Download
memory/1132-26-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-22-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-20-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-18-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-15-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-10-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-8-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-6-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-5-0x0000000005940000-0x0000000005A28000-memory.dmp

Filesize
928KB

Download
memory/1132-1181-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1132-1182-0x0000000005AD0000-0x0000000005B2E000-memory.dmp

Filesize
376KB

Download
memory/1132-1183-0x0000000005B70000-0x0000000005BBC000-memory.dmp

Filesize
304KB

Download
memory/1132-1184-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/1132-1185-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1132-1186-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1132-1187-0x0000000006530000-0x0000000006AD4000-memory.dmp

Filesize
5.6MB

Download
memory/1132-1188-0x0000000001680000-0x00000000016D4000-memory.dmp

Filesize
336KB

Download
memory/1132-2-0x0000000005820000-0x000000000590E000-memory.dmp

Filesize
952KB

Download
memory/1132-1-0x0000000000DA0000-0x0000000000EC2000-memory.dmp

Filesize
1.1MB

Download
memory/1132-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/1132-1195-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1132-1199-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1132-1197-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download