asyncrat | 4b25983cafa6eedf5235cf0cf57f7d63ac1e1a62bdadcae3c3a0264da3dfa393

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 11:31

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General

Target

JaffaCakes118_4b25983cafa6eedf5235cf0cf57f7d63ac1e1a62bdadcae3c3a0264da3dfa393.ps1
Size

289KB
MD5

beafc2705866d8ff18bde1f67c5f7ff4
SHA1

7064973634124c93e45f54bffb5fca1da6fff0d3
SHA256

4b25983cafa6eedf5235cf0cf57f7d63ac1e1a62bdadcae3c3a0264da3dfa393
SHA512

f05eaa7e3de93f4a5a6e0f136e4f5601f4e7761cbb59609d0bade1f8fb142ad98a8c6fb557f2e1317a369d6722219772c6f901cb085f9b7fb3413b6a0673d465
SSDEEP

3072:IJKb53DCw8R4yMfMJJzD3Q3ApFTbQI8Iv1vZoZWdW:IEb5Rd1WJzD3Q3ApFTMIUZWdW

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Default

smartvodafone.duckdns.org:5002

smartvodafone.duckdns.org:5000

smartvodafone.duckdns.org:5001

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 3148 set thread context of 3936	3148	powershell.exe	85

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3148	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 2 IoCs

pid	Process
3148	powershell.exe
3148	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3148	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 3936	3148	powershell.exe	85
PID 3148 wrote to memory of 3936	3148	powershell.exe	85
PID 3148 wrote to memory of 3936	3148	powershell.exe	85
PID 3148 wrote to memory of 3936	3148	powershell.exe	85
PID 3148 wrote to memory of 3936	3148	powershell.exe	85
PID 3148 wrote to memory of 3936	3148	powershell.exe	85
PID 3148 wrote to memory of 3936	3148	powershell.exe	85
PID 3148 wrote to memory of 3936	3148	powershell.exe	85
PID 3148 wrote to memory of 3124	3148	powershell.exe	86
PID 3148 wrote to memory of 3124	3148	powershell.exe	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b25983cafa6eedf5235cf0cf57f7d63ac1e1a62bdadcae3c3a0264da3dfa393.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148
- 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:3936
- C:\Windows\system32\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /delete /tn det /f
  2⤵
  PID:3124

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

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ufhfuky.zms.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3148-16-0x00007FFA102C0000-0x00007FFA10D81000-memory.dmp

Filesize
10.8MB

Download
memory/3148-17-0x00007FFA102C0000-0x00007FFA10D81000-memory.dmp

Filesize
10.8MB

Download
memory/3148-11-0x00007FFA102C0000-0x00007FFA10D81000-memory.dmp

Filesize
10.8MB

Download
memory/3148-12-0x00007FFA102C0000-0x00007FFA10D81000-memory.dmp

Filesize
10.8MB

Download
memory/3148-13-0x000001BCCF600000-0x000001BCCF61C000-memory.dmp

Filesize
112KB

Download
memory/3148-14-0x00007FFA102C3000-0x00007FFA102C5000-memory.dmp

Filesize
8KB

Download
memory/3148-10-0x000001BCCD390000-0x000001BCCD3B2000-memory.dmp

Filesize
136KB

Download
memory/3148-0-0x00007FFA102C3000-0x00007FFA102C5000-memory.dmp

Filesize
8KB

Download
memory/3148-15-0x00007FFA102C0000-0x00007FFA10D81000-memory.dmp

Filesize
10.8MB

Download
memory/3148-21-0x00007FFA102C0000-0x00007FFA10D81000-memory.dmp

Filesize
10.8MB

Download
memory/3936-18-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3936-22-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/3936-23-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/3936-24-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/3936-25-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download