asyncrat | d59adb5bf6e39573c7a302b4f91c9daec8d50dda97198f58d210e9358f499a64

Analysis

max time kernel
138s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2025, 20:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Radicado_Legal.N°001982913812-81281312-66523.rar
Size

1017KB
MD5

d52f419bdb15a4c2167deedc8c5447fa
SHA1

702553b0fa2eeb6721e009c74dcc1472b6212ead
SHA256

d59adb5bf6e39573c7a302b4f91c9daec8d50dda97198f58d210e9358f499a64
SHA512

c02037f3857a04f4061283ab8747efb0569cf9e63e1e86fcb302da39d0a029a89840e232f5008df87da9b50fe9e65832dbaca71028b79fcdf00385d31283eb70
SSDEEP

24576:Api39bokSeyY4+luISo861pR5XVqaQtAVpekc+uz17LH4p/VLa:ApixoCuK861pRGaQt2eN+g774p/pa

Score

10^/10

asyncrat dominios-iva-22 discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

DOMINIOS-IVA-22

pctrabajonuevo2.casacam.net:8849

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
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

Executes dropped EXE 3 IoCs

pid	Process
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
348	Radicado_Legal.N°001982913812-81281312-66523.exe
4952	Radicado_Legal.N°001982913812-81281312-66523.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LLFTOOL = "C:\\Users\\Admin\\Documents\\KCSoftwares\\sdk\\mdb2db.exe"	Radicado_Legal.N°001982913812-81281312-66523.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3024 set thread context of 3280	3024	Radicado_Legal.N°001982913812-81281312-66523.exe	105

System Location Discovery: System Language Discovery 1 TTPs 4 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	Radicado_Legal.N°001982913812-81281312-66523.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Radicado_Legal.N°001982913812-81281312-66523.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Radicado_Legal.N°001982913812-81281312-66523.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	7zFM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe
3024	Radicado_Legal.N°001982913812-81281312-66523.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2212	7zFM.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeRestorePrivilege	2212	7zFM.exe
Token: 35	2212	7zFM.exe
Token: SeSecurityPrivilege	2212	7zFM.exe
Token: SeDebugPrivilege	3280	csc.exe
Token: SeSecurityPrivilege	2212	7zFM.exe
Token: SeSecurityPrivilege	2212	7zFM.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2212	7zFM.exe
2212	7zFM.exe
2212	7zFM.exe
2212	7zFM.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 3024	2212	7zFM.exe	102
PID 2212 wrote to memory of 3024	2212	7zFM.exe	102
PID 2212 wrote to memory of 3024	2212	7zFM.exe	102
PID 3024 wrote to memory of 3280	3024	Radicado_Legal.N°001982913812-81281312-66523.exe	105
PID 3024 wrote to memory of 3280	3024	Radicado_Legal.N°001982913812-81281312-66523.exe	105
PID 3024 wrote to memory of 3280	3024	Radicado_Legal.N°001982913812-81281312-66523.exe	105
PID 3024 wrote to memory of 3280	3024	Radicado_Legal.N°001982913812-81281312-66523.exe	105
PID 3024 wrote to memory of 3280	3024	Radicado_Legal.N°001982913812-81281312-66523.exe	105
PID 3024 wrote to memory of 3280	3024	Radicado_Legal.N°001982913812-81281312-66523.exe	105

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Radicado_Legal.N°001982913812-81281312-66523.rar"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\7zO4A87A9D7\Radicado_Legal.N°001982913812-81281312-66523.exe
  "C:\Users\Admin\AppData\Local\Temp\7zO4A87A9D7\Radicado_Legal.N°001982913812-81281312-66523.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3280

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2560

C:\Users\Admin\Downloads\Radicado_Legal.N°001982913812-81281312-66523.exe
"C:\Users\Admin\Downloads\Radicado_Legal.N°001982913812-81281312-66523.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:348

C:\Users\Admin\Downloads\Radicado_Legal.N°001982913812-81281312-66523.exe
"C:\Users\Admin\Downloads\Radicado_Legal.N°001982913812-81281312-66523.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4952

C:\Users\Admin\Downloads\Radicado_Legal.N°001982913812-81281312-66523.exe
"C:\Users\Admin\Downloads\Radicado_Legal.N°001982913812-81281312-66523.exe"
1⤵
PID:5032

C:\Users\Admin\Downloads\Radicado_Legal.N°001982913812-81281312-66523.exe
"C:\Users\Admin\Downloads\Radicado_Legal.N°001982913812-81281312-66523.exe"
1⤵
PID:3748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\7zO4A87A9D7\Radicado_Legal.N°001982913812-81281312-66523.exe

Filesize
2.7MB

MD5
45a6e7fe6d7e833f374dabe4a3e08ba3

SHA1
77cd883b68f9c678c3b3228958d1170755147ac6

SHA256
ad5a5fd9f54b29d1bb9f6a9e6915cf059e1560b68f493323ba77bf3fb5a12c12

SHA512
719b980cfee0f645ed89a29817081b7feb9c064b274bc1730599991e758ddd7eb1a44d887bb1f18c186c5dba040ddd93e4dc793427b4b5c32b40c60a86092b31

Download Submit
memory/348-32-0x0000000000400000-0x00000000006BE000-memory.dmp

Filesize
2.7MB

Download
memory/348-29-0x0000000000400000-0x00000000006BE000-memory.dmp

Filesize
2.7MB

Download
memory/3024-11-0x0000000000400000-0x00000000006BE000-memory.dmp

Filesize
2.7MB

Download
memory/3024-13-0x0000000000400000-0x00000000006BE000-memory.dmp

Filesize
2.7MB

Download
memory/3024-15-0x0000000002530000-0x000000000255D000-memory.dmp

Filesize
180KB

Download
memory/3024-18-0x00000000025A0000-0x00000000025FC000-memory.dmp

Filesize
368KB

Download
memory/3280-22-0x00000000067E0000-0x0000000006D84000-memory.dmp

Filesize
5.6MB

Download
memory/3280-21-0x0000000006190000-0x000000000622C000-memory.dmp

Filesize
624KB

Download
memory/3280-23-0x0000000006230000-0x0000000006296000-memory.dmp

Filesize
408KB

Download
memory/3280-24-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/3280-17-0x0000000001440000-0x0000000001452000-memory.dmp

Filesize
72KB

Download
memory/3280-16-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/3748-36-0x0000000000400000-0x00000000006BE000-memory.dmp

Filesize
2.7MB

Download
memory/4952-31-0x0000000000400000-0x00000000006BE000-memory.dmp

Filesize
2.7MB

Download
memory/5032-34-0x0000000000400000-0x00000000006BE000-memory.dmp

Filesize
2.7MB

Download
memory/5032-37-0x0000000000400000-0x00000000006BE000-memory.dmp

Filesize
2.7MB

Download