asyncrat | a306e433e72c97ac9016f9f260f882362d7dfa8735f86384ee70046304430e25

General

Target

2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe
Size

2.4MB
MD5

a1bc90eb0593fff728ebdb07fa5be49d
SHA1

4d4a732df8f1f78e3084c00e2c3dacfbbb411abc
SHA256

a306e433e72c97ac9016f9f260f882362d7dfa8735f86384ee70046304430e25
SHA512

0ee42280d3d11d87db579e6dea847cc672f15e9fedd642d66921f759558b95f970674e310c4b41d2efc99524dda54e65411586815f9866dc8b71c2716fb8b0b6
SSDEEP

49152:azJioJ67eQD9rSlAthuDZzjz4YVw7bf33fKo:jnJudzjz4YAT

Score

10^/10

asyncrat octu21 discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

OCTU21

C2

mnnioudfd.duckdns.org:8010

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\PatrolDesignerEditor = "C:\\Users\\Admin\\Music\\PatrolDesignerUpdater\\PatrolConvertVideo.exe"	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe

description pid process target process

PID 2524 set thread context of 2380 2524 2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe csc.exe

description	pid	process	target process
PID 2524 set thread context of 2380	2524	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe

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

Processes:

2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.execsc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

csc.exe

description pid process

Token: SeDebugPrivilege 2380 csc.exe

description	pid	process
Token: SeDebugPrivilege	2380	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe

description	pid	process	target process
PID 2524 wrote to memory of 2380	2524	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe
PID 2524 wrote to memory of 2380	2524	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe
PID 2524 wrote to memory of 2380	2524	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe
PID 2524 wrote to memory of 2380	2524	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe
PID 2524 wrote to memory of 2380	2524	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe
PID 2524 wrote to memory of 2380	2524	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524

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:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CabE784.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2380-12-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2380-38-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-37-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2380-19-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-7-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2380-14-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2380-18-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2380-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2380-9-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2524-6-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/2524-15-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/2524-17-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/2524-4-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/2524-1-0x0000000000409000-0x0000000000421000-memory.dmp

Filesize
96KB

Download
memory/2524-20-0x0000000000409000-0x0000000000421000-memory.dmp

Filesize
96KB

Download
memory/2524-5-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/2524-2-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/2524-0-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads