asyncrat | ae29b2d44dc62facf4d13c62fc713ed8ed8e79cbcf8266d883df649a0d80d7ec

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-07-2024 14:38

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General

Target

AsyncClient.exe
Size

47KB
MD5

0574161d97acfad49ad2406b44f3a6f9
SHA1

72e6e7bc01eaa351a891841aafacafbe470cc8ba
SHA256

ae29b2d44dc62facf4d13c62fc713ed8ed8e79cbcf8266d883df649a0d80d7ec
SHA512

6f5290516237506e7fc3f6a3a2f6ef7014db66f84c5e9dc6de754f6141ec86b3f217dc43d0d2b268053a049443cd37af50e4d26549f66e9b20d8a88aae36dd1b
SSDEEP

768:cuTAlTP3IwK2WUwv2Mmo2qBcdycNMz0Un2GFPIuOT0b/p990dwfGn1UTrhHNEU21:cuTAlTPrg2v4ZCuOYbR99Ywen1AHSU21

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

SmJ1L60772Vk

Attributes

delay
3
install
false
install_file
panel1.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

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	AsyncClient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2424	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2424	AUDIODG.EXE
Token: 33	2424	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2424	AUDIODG.EXE

C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
"C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3008

C:\Windows\System32\control.exe
"C:\Windows\System32\control.exe" SYSTEM
1⤵
PID:2248

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
- System Location Discovery: System Language Discovery
PID:2652

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2608

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x408
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2424

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/3008-0-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/3008-1-0x0000000000330000-0x0000000000342000-memory.dmp

Filesize
72KB

Download
memory/3008-2-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-3-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download