asyncrat | 337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02

Analysis

max time kernel
136s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 22:27

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General

Target

337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe
Size

2.8MB
MD5

ded1097db12e28f8b14cd2077d0a1039
SHA1

f564162a97cbb5b9061ff37aeede038a0c7011b1
SHA256

337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02
SHA512

7e18442ce496faad20ae3c883e936c8e0a282ba4497bb329c301f00dff817b94681510b0504614b549358bc85f7007663bc56c9fe2f9096fbf05a333e0772492
SSDEEP

49152:yUTAlU6Bv0dm6kEh8PmNTUQUft8PX6uEhqnDm/gAARSoWc8oppFi7rJqhL6dnFk8:ymAlHc3hbNYLmPX6uEhqnDm/gAA81Yin

Score

10^/10

asyncrat agosto 16 discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

agosto 16

perezedc95.duckdns.org:4040

Mutex

firewallrtfghyulgsmmkliyrefdswaqbloi

Attributes

delay
15
install
false
install_file
firewall
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat 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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CiscoScanner = "C:\\Users\\Admin\\Pictures\\Cisco\\CiscoScanner.exe"	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3292 set thread context of 4628	3292	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	96

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	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4628	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 4628	3292	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	96
PID 3292 wrote to memory of 4628	3292	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	96
PID 3292 wrote to memory of 4628	3292	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	96
PID 3292 wrote to memory of 4628	3292	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	96
PID 3292 wrote to memory of 4628	3292	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	96

C:\Users\Admin\AppData\Local\Temp\337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe
"C:\Users\Admin\AppData\Local\Temp\337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3292
- 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
  - Suspicious use of AdjustPrivilegeToken
  PID:4628

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

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Downloads

memory/3292-1-0x0000000000408000-0x0000000000422000-memory.dmp

Filesize
104KB

Download
memory/3292-0-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3292-2-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3292-3-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3292-7-0x0000000000408000-0x0000000000422000-memory.dmp

Filesize
104KB

Download
memory/3292-5-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/4628-6-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/4628-4-0x0000000000A00000-0x0000000000A12000-memory.dmp

Filesize
72KB

Download
memory/4628-8-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-11-0x0000000006020000-0x00000000060BC000-memory.dmp

Filesize
624KB

Download
memory/4628-12-0x0000000006670000-0x0000000006C14000-memory.dmp

Filesize
5.6MB

Download
memory/4628-13-0x00000000060C0000-0x0000000006126000-memory.dmp

Filesize
408KB

Download
memory/4628-14-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-15-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-16-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads