asyncrat | 25cde0a920664811bb924b2b96f14624fc74405edab173082202092c60eeedcc

Resubmissions

13-11-2024 01:24

241113-bspy5atkdy 3

13-11-2024 00:34

241113-aw7snsxjgj 10

Analysis

max time kernel
590s
max time network
598s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 00:34

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General

Target

Fallo_Fiscal_Procesado_N°_49298490..exe
Size

3.9MB
MD5

d704a3b9b1723e18a91ae6e917b5f769
SHA1

b18dcd9dc942d974e8badf15534ba20c753c2c1e
SHA256

9760ed948875361bb2d249211a5c08a5301278ea11a82bbd06baf05e1429ccbb
SHA512

1fc5033b0174ccad3a6e92ee15b26f234df377ca1b1ac1eb41993da38d7649f3a6ab2ddcb294b839238fbc3250556ce6c89e3b51878eb10ae98353b158b7c1a3
SSDEEP

49152:gWGtLBcXqNDR6SVb8kq4pgquLMMji4NYxtJpkxhGjI4THa333OJCXHUPWHUbxdFF:EtLudqgwh4NYxtJpkxhG8333LX0P9v

Score

10^/10

asyncrat actualizado-12 discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Actualizado-12

Mystudio201.casacam.net:8853

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

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IsaccEditorDesigner = "C:\\Users\\Admin\\Music\\IsaccDesignUpdater\\IsaccVideo.exe"	Fallo_Fiscal_Procesado_N°_49298490..exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4440 set thread context of 2888	4440	Fallo_Fiscal_Procesado_N°_49298490..exe	95

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	Fallo_Fiscal_Procesado_N°_49298490..exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 2888	4440	Fallo_Fiscal_Procesado_N°_49298490..exe	95
PID 4440 wrote to memory of 2888	4440	Fallo_Fiscal_Procesado_N°_49298490..exe	95
PID 4440 wrote to memory of 2888	4440	Fallo_Fiscal_Procesado_N°_49298490..exe	95
PID 4440 wrote to memory of 2888	4440	Fallo_Fiscal_Procesado_N°_49298490..exe	95
PID 4440 wrote to memory of 2888	4440	Fallo_Fiscal_Procesado_N°_49298490..exe	95

C:\Users\Admin\AppData\Local\Temp\Fallo_Fiscal_Procesado_N°_49298490..exe
"C:\Users\Admin\AppData\Local\Temp\Fallo_Fiscal_Procesado_N°_49298490..exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2888

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

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Downloads

memory/2888-12-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/2888-15-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/2888-8-0x0000000000B60000-0x0000000000B72000-memory.dmp

Filesize
72KB

Download
memory/2888-13-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4440-9-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/4440-5-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/4440-0-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/4440-11-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/4440-4-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/4440-2-0x000000000050D000-0x0000000000525000-memory.dmp

Filesize
96KB

Download
memory/4440-6-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/4440-7-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/4440-1-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads