asyncrat | f935cb171e728477ac095eccefb4d744d28eb4a130802f6c5ece72b3fa43a739

General

Target

NHLRYQURTHYLDPQY.ps1
Size

553KB
MD5

c88852416b438cbe21113af942ab15dd
SHA1

19461a3637ef93ba30f16c29f0923ac7cefa4f89
SHA256

f935cb171e728477ac095eccefb4d744d28eb4a130802f6c5ece72b3fa43a739
SHA512

267ff636a32ee6a4e366a481908af3f13283074e3ad0b82818e73f4fd3ec8d9efcbce6329ad650fb391c047e9dbb025a89d23b01069d06917fafc0ce028ec2a6
SSDEEP

1536:kDh8DyXBs84VhDEak0EyxWq0SvZNjJwGvPQoab95LXXVsXG:kDhiyXBs84VhDEakbyxWq0SE

Score

10^/10

asyncrat xxxv3rhr9jn93vmoxv9 credential_access discovery execution rat stealer

Malware Config

Extracted

Family

asyncrat

Version

Xchallenger | 3Losh

Botnet

XXXV3rhR9Jn93VMOXV9

C2

anothonesevenfivesecsned.ddns.net:6666

Mutex

AsyncMutex_DIxGEiAXhu7ZniMr

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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 3404	2264	powershell.exe	87

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2264	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	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2264	powershell.exe
2264	powershell.exe
3404	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	powershell.exe
Token: SeDebugPrivilege	3404	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3404	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 3404	2264	powershell.exe	87
PID 2264 wrote to memory of 3404	2264	powershell.exe	87
PID 2264 wrote to memory of 3404	2264	powershell.exe	87
PID 2264 wrote to memory of 3404	2264	powershell.exe	87
PID 2264 wrote to memory of 3404	2264	powershell.exe	87
PID 2264 wrote to memory of 3404	2264	powershell.exe	87
PID 2264 wrote to memory of 3404	2264	powershell.exe	87
PID 2264 wrote to memory of 3404	2264	powershell.exe	87

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\NHLRYQURTHYLDPQY.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_huvq0tbb.tf5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2264-18-0x00007FFF43F80000-0x00007FFF44249000-memory.dmp

Filesize
2.8MB

Download
memory/2264-7-0x00007FFF43F80000-0x00007FFF44249000-memory.dmp

Filesize
2.8MB

Download
memory/2264-0-0x00007FFF43F80000-0x00007FFF44249000-memory.dmp

Filesize
2.8MB

Download
memory/2264-12-0x000001F077030000-0x000001F07704C000-memory.dmp

Filesize
112KB

Download
memory/2264-13-0x00007FFF43F80000-0x00007FFF44249000-memory.dmp

Filesize
2.8MB

Download
memory/2264-14-0x00007FFF43F80000-0x00007FFF44249000-memory.dmp

Filesize
2.8MB

Download
memory/2264-1-0x000001F076F90000-0x000001F076FB2000-memory.dmp

Filesize
136KB

Download
memory/3404-20-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3404-25-0x0000000006A40000-0x0000000006AA6000-memory.dmp

Filesize
408KB

Download
memory/3404-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3404-21-0x0000000006110000-0x00000000066B4000-memory.dmp

Filesize
5.6MB

Download
memory/3404-22-0x0000000005D50000-0x0000000005DE2000-memory.dmp

Filesize
584KB

Download
memory/3404-23-0x0000000005D40000-0x0000000005D4A000-memory.dmp

Filesize
40KB

Download
memory/3404-24-0x00000000069A0000-0x0000000006A3C000-memory.dmp

Filesize
624KB

Download
memory/3404-19-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/3404-26-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/3404-27-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3404-28-0x0000000007890000-0x0000000007906000-memory.dmp

Filesize
472KB

Download
memory/3404-29-0x0000000007810000-0x000000000787C000-memory.dmp

Filesize
432KB

Download
memory/3404-30-0x0000000007950000-0x000000000796E000-memory.dmp

Filesize
120KB

Download
memory/3404-31-0x0000000007A20000-0x0000000007A2A000-memory.dmp

Filesize
40KB

Download

Analysis

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