asyncrat | 454e6542260989481f10c1c244b542ab6da99ac2791469df0cdbd7432d602bce

Analysis

max time kernel
142s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31/07/2024, 16:00

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General

Target

docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe
Size

2.1MB
MD5

78303888fe75caafdb9d0b3ffb358319
SHA1

a73032f41c5e40869d9bf1e3b61b6e6530389d60
SHA256

9d93b1d1b9ef2411bd662785156af839101718cedbe60459ac07b709c04cde0d
SHA512

2f6f91aa5ddacc6c30f944b0dd20fb918083fc3bc508b5a5624970fbd8ac276eee93841c904ae4eacefc0e4aeef4909a8a9154448cf231251bc9d7e8f209ddfd
SSDEEP

49152:AKGcLGC9pM8jSBheJC/pFptG8TZ7fCPOM:vD9ptSXDxtNLSO

Score

10^/10

asyncrat pista discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7A

Botnet

PISTA

pista.con-ip.com:6606

Mutex

uuooxuxbnkywum

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

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-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vhgxis = "C:\\Users\\Admin\\AppData\\Roaming\\Vhgxis.exe"	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1556 set thread context of 1256	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe	87

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	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe
Token: SeDebugPrivilege	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 1256	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe	87
PID 1556 wrote to memory of 1256	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe	87
PID 1556 wrote to memory of 1256	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe	87
PID 1556 wrote to memory of 1256	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe	87
PID 1556 wrote to memory of 1256	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe	87
PID 1556 wrote to memory of 1256	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe	87
PID 1556 wrote to memory of 1256	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe	87
PID 1556 wrote to memory of 1256	1556	docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe	87

C:\Users\Admin\AppData\Local\Temp\docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe
"C:\Users\Admin\AppData\Local\Temp\docmenalfodacturas73829768692348692170835691270836599027413856932758493245.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1256

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/1256-4880-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1256-4881-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1256-4883-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1256-4884-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1556-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

Filesize
4KB

Download
memory/1556-1-0x0000000000300000-0x0000000000528000-memory.dmp

Filesize
2.2MB

Download
memory/1556-2-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/1556-3-0x0000000005050000-0x00000000050E2000-memory.dmp

Filesize
584KB

Download
memory/1556-4-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1556-5-0x0000000005100000-0x000000000510A000-memory.dmp

Filesize
40KB

Download
memory/1556-6-0x00000000053F0000-0x000000000560E000-memory.dmp

Filesize
2.1MB

Download
memory/1556-7-0x0000000006DC0000-0x0000000006FE0000-memory.dmp

Filesize
2.1MB

Download
memory/1556-27-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-29-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-53-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-55-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-63-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-71-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-69-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-67-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-65-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-61-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-59-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-57-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-51-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-49-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-47-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-45-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-41-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-39-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-35-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-43-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-37-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-33-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-31-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-23-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-21-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-19-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-15-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-11-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-9-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-25-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-17-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-13-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-8-0x0000000006DC0000-0x0000000006FD9000-memory.dmp

Filesize
2.1MB

Download
memory/1556-4870-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1556-4871-0x00000000071C0000-0x000000000721E000-memory.dmp

Filesize
376KB

Download
memory/1556-4872-0x0000000007330000-0x000000000737C000-memory.dmp

Filesize
304KB

Download
memory/1556-4873-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

Filesize
4KB

Download
memory/1556-4874-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1556-4875-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1556-4876-0x0000000005300000-0x0000000005354000-memory.dmp

Filesize
336KB

Download
memory/1556-4882-0x0000000074B70000-0x0000000075320000-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