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-1-5-21-2045521122-590294423-3465680274-1000\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 4336 set thread context of 4844 4336 2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe csc.exe

description	pid	process	target process
PID 4336 set thread context of 4844	4336	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 4844 csc.exe

description	pid	process
Token: SeDebugPrivilege	4844	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe

description	pid	process	target process
PID 4336 wrote to memory of 4844	4336	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe
PID 4336 wrote to memory of 4844	4336	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe
PID 4336 wrote to memory of 4844	4336	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe
PID 4336 wrote to memory of 4844	4336	2024-10-24_a1bc90eb0593fff728ebdb07fa5be49d_mafia_rhadamanthys.exe	csc.exe
PID 4336 wrote to memory of 4844	4336	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:4336

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:4844

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

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Downloads

memory/4336-4-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/4336-8-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/4336-0-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/4336-1-0x0000000000409000-0x0000000000421000-memory.dmp

Filesize
96KB

Download
memory/4336-6-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/4336-13-0x0000000000409000-0x0000000000421000-memory.dmp

Filesize
96KB

Download
memory/4336-5-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/4336-3-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/4336-10-0x0000000000400000-0x0000000000675000-memory.dmp

Filesize
2.5MB

Download
memory/4844-22-0x0000000073910000-0x00000000740C0000-memory.dmp

Filesize
7.7MB

Download
memory/4844-11-0x000000007391E000-0x000000007391F000-memory.dmp

Filesize
4KB

Download
memory/4844-12-0x0000000073910000-0x00000000740C0000-memory.dmp

Filesize
7.7MB

Download
memory/4844-16-0x0000000005F40000-0x0000000005FDC000-memory.dmp

Filesize
624KB

Download
memory/4844-18-0x0000000006050000-0x00000000060B6000-memory.dmp

Filesize
408KB

Download
memory/4844-17-0x0000000006590000-0x0000000006B34000-memory.dmp

Filesize
5.6MB

Download
memory/4844-19-0x0000000073910000-0x00000000740C0000-memory.dmp

Filesize
7.7MB

Download
memory/4844-20-0x000000007391E000-0x000000007391F000-memory.dmp

Filesize
4KB

Download
memory/4844-21-0x0000000073910000-0x00000000740C0000-memory.dmp

Filesize
7.7MB

Download
memory/4844-7-0x0000000000BE0000-0x0000000000BF2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads