asyncrat | 2ac9fe88102fbe8cc50d40228e302e2f37fcc006009697609eb5d55aab5c940e

General

Target

50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe
Size

569KB
MD5

50bc873b8e08fdc5832350f377a1b5a7
SHA1

868d150864b3a467238314be1d21a4835fed7c68
SHA256

2ac9fe88102fbe8cc50d40228e302e2f37fcc006009697609eb5d55aab5c940e
SHA512

842b38e394e2b6ef46b2d797a036b52b7ff06c2d3ea3489d9bcbaa8325659c2cffb8714a2ec12c4378a66ddcc19a5ef3fedde0e7ae0e829de1abe6809d12d163
SSDEEP

6144:PC4w8juap56y9dg4sIo9ZCf6YRZDYooV3FtlyPG4wYeVKiEgQaratgMZ:Knapvg4sz9dYRZsx1tvpEVar3MZ

Score

10^/10

asyncrat 1 persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

1

C2

185.157.160.136:1973

Mutex

df4Rtg34dFjwr7ujp3

Attributes

delay
38
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:

50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\mk = "C:\\Users\\Admin\\AppData\\Roaming\\gh\\hn.exe"	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe

description pid process target process

PID 2516 set thread context of 2672 2516 50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe

pid process

2516 50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe

description	pid	process	target process
PID 2516 set thread context of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe

pid	process
2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe

description	pid	process	target process
PID 2516 wrote to memory of 2540	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2540	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2540	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2540	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2540	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2540	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2540	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe
PID 2516 wrote to memory of 2672	2516	50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\50bc873b8e08fdc5832350f377a1b5a7_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2516

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:2540

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:2672

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2672-4-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2672-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2672-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2672-9-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-10-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-11-0x0000000005060000-0x00000000050A0000-memory.dmp

Filesize
256KB

Download
memory/2672-12-0x0000000005060000-0x00000000050A0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads