asyncrat | 7eb7b284890091dda7cf5b13084bc33a380105c841e82d8e9e11ac6efcac2884

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 16:43

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General

Target

JaffaCakes118_2ecfe00e0cfcf45ff8454452b6122226.ps1
Size

332KB
MD5

2ecfe00e0cfcf45ff8454452b6122226
SHA1

6d646c61e6cc0ebf17adcc78bb29ae9edfe1fa78
SHA256

7eb7b284890091dda7cf5b13084bc33a380105c841e82d8e9e11ac6efcac2884
SHA512

123e02a62e0f8a928223d000e4cc9198578f934c7a5aabd1a91d6b6d7817a01181e39740ab9c35161af16b1c82204e25eb24a59b70ee915a0447d03d7fab9202
SSDEEP

1536:sNCXSwzbxJtFvWNB7LHJJ8JMEkTd9P78hEffND29hcHblsmUhP6a1/fWDzFGTO9R:C

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

elliotgateway.ddns.net:5555

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 32	2420	powershell.exe	87

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2420	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2420	powershell.exe
2420	powershell.exe
2420	powershell.exe
2420	powershell.exe
2420	powershell.exe
2420	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2352	2420	powershell.exe	85
PID 2420 wrote to memory of 2352	2420	powershell.exe	85
PID 2420 wrote to memory of 2352	2420	powershell.exe	85
PID 2420 wrote to memory of 1560	2420	powershell.exe	86
PID 2420 wrote to memory of 1560	2420	powershell.exe	86
PID 2420 wrote to memory of 1560	2420	powershell.exe	86
PID 2420 wrote to memory of 32	2420	powershell.exe	87
PID 2420 wrote to memory of 32	2420	powershell.exe	87
PID 2420 wrote to memory of 32	2420	powershell.exe	87
PID 2420 wrote to memory of 32	2420	powershell.exe	87
PID 2420 wrote to memory of 32	2420	powershell.exe	87
PID 2420 wrote to memory of 32	2420	powershell.exe	87
PID 2420 wrote to memory of 32	2420	powershell.exe	87
PID 2420 wrote to memory of 32	2420	powershell.exe	87

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ecfe00e0cfcf45ff8454452b6122226.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:2352
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:1560
- 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:32

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ofi023zz.mqd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/32-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/32-16-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/32-20-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/32-21-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/2420-0-0x00007FFD554F3000-0x00007FFD554F5000-memory.dmp

Filesize
8KB

Download
memory/2420-1-0x0000021CAC710000-0x0000021CAC732000-memory.dmp

Filesize
136KB

Download
memory/2420-11-0x00007FFD554F0000-0x00007FFD55FB1000-memory.dmp

Filesize
10.8MB

Download
memory/2420-12-0x00007FFD554F0000-0x00007FFD55FB1000-memory.dmp

Filesize
10.8MB

Download
memory/2420-13-0x0000021CAC740000-0x0000021CAC756000-memory.dmp

Filesize
88KB

Download
memory/2420-15-0x00007FFD554F0000-0x00007FFD55FB1000-memory.dmp

Filesize
10.8MB

Download
memory/2420-19-0x00007FFD554F0000-0x00007FFD55FB1000-memory.dmp

Filesize
10.8MB

Download