asyncrat | 6e7ff182d4509ea804b6ed739ffa2191af2891af164ede9a90e79aea8fee4d1f

Resubmissions

12/03/2025, 21:58

250312-1vyfqat1dx 10

12/03/2025, 21:51

250312-1qnqqawkv6 10

12/03/2025, 21:45

250312-1mkjwstzcv 10

Analysis

max time kernel
122s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/03/2025, 21:58

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Report Analysis Logs

General

Target

Report.ps1
Size

458KB
MD5

20d2c488f9ce3e337faf20ea1a9abe47
SHA1

ea844520e903e1f7d8f234a057cd3cc778380ae9
SHA256

6e7ff182d4509ea804b6ed739ffa2191af2891af164ede9a90e79aea8fee4d1f
SHA512

6581df037579fd6684ee4a44d2e631a4aa9c524b47c47fe2afb9434c487824146fb000d9c7a7b63df6c534b00f4a979f24be88019b3ed12d9bf3ce81508b243c
SSDEEP

768:llcMsNARzF0NToMotYJKN2C0FIMG9Kl/2:6/2

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

A 14

Botnet

Default

nams.ddnsfree.com:409

aliomar.ooguy.com:409

Mutex

MaterxMutex_Egypt409

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 2780 set thread context of 2576	2780	powershell.exe	31

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2780	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: AddClipboardFormatListener 1 IoCs

pid	Process
2576	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2780	powershell.exe
2576	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	powershell.exe
Token: SeDebugPrivilege	2576	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2576	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2576	2780	powershell.exe	31
PID 2780 wrote to memory of 2576	2780	powershell.exe	31
PID 2780 wrote to memory of 2576	2780	powershell.exe	31
PID 2780 wrote to memory of 2576	2780	powershell.exe	31
PID 2780 wrote to memory of 2576	2780	powershell.exe	31
PID 2780 wrote to memory of 2576	2780	powershell.exe	31
PID 2780 wrote to memory of 2576	2780	powershell.exe	31
PID 2780 wrote to memory of 2576	2780	powershell.exe	31
PID 2780 wrote to memory of 2576	2780	powershell.exe	31
PID 2780 wrote to memory of 2804	2780	powershell.exe	32
PID 2780 wrote to memory of 2804	2780	powershell.exe	32
PID 2780 wrote to memory of 2804	2780	powershell.exe	32

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\Report.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780
- 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
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2576
- C:\Windows\system32\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /query /tn administrator
  2⤵
  PID:2804

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3403.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

Download Submit
memory/2576-24-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/2576-65-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-44-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/2576-26-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-22-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2576-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-20-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2576-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2576-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2576-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2576-16-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2576-18-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2780-8-0x000007FEF5C10000-0x000007FEF65AD000-memory.dmp

Filesize
9.6MB

Download
memory/2780-12-0x0000000002B70000-0x0000000002B7A000-memory.dmp

Filesize
40KB

Download
memory/2780-7-0x000007FEF5C10000-0x000007FEF65AD000-memory.dmp

Filesize
9.6MB

Download
memory/2780-4-0x000007FEF5ECE000-0x000007FEF5ECF000-memory.dmp

Filesize
4KB

Download
memory/2780-23-0x000007FEF5C10000-0x000007FEF65AD000-memory.dmp

Filesize
9.6MB

Download
memory/2780-25-0x000007FEF5C10000-0x000007FEF65AD000-memory.dmp

Filesize
9.6MB

Download
memory/2780-9-0x000007FEF5C10000-0x000007FEF65AD000-memory.dmp

Filesize
9.6MB

Download
memory/2780-10-0x000007FEF5C10000-0x000007FEF65AD000-memory.dmp

Filesize
9.6MB

Download
memory/2780-11-0x000007FEF5C10000-0x000007FEF65AD000-memory.dmp

Filesize
9.6MB

Download
memory/2780-6-0x00000000021D0000-0x00000000021D8000-memory.dmp

Filesize
32KB

Download
memory/2780-5-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download