Resubmissions

20-09-2023 14:30

230920-rt5nzagg9v 10

Analysis

  • max time kernel
    133s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2023 14:30

General

  • Target

    55aa5e.exe

  • Size

    6.9MB

  • MD5

    56c197e493f74f9233a16cdefab3109f

  • SHA1

    af35bd2fd5d884bdf6bea8aac695e98f5a00715a

  • SHA256

    172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01

  • SHA512

    d2830cfebfaa859f5fca15e3c81799e99c3cb31f72b1075d8828f03a490bfe6196b34d35bbcaede32a6d63d5c2d9bc17bea009e1bd8787cb4397f6627328b086

  • SSDEEP

    98304:ULop5mhzd71cBjG9Azp56BV8cM0AnwGSOnTXsYGeCW1zbiG54WeOVEMMRHGV7E:0op5mqU9KE8nNZnTXaexbZWsMGV7E

Score
10/10

Malware Config

Extracted

Family

amadey

Version

3.89

C2

http://5.42.64.33/vu3skClDn/index.php

Attributes
  • install_dir

    a304d35d74

  • install_file

    yiueea.exe

  • strings_key

    3ae6c4e6339065c6f5a368011bb5cb8c

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • VMProtect packed file 9 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
    "C:\Users\Admin\AppData\Local\Temp\55aa5e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN 55aa5e.exe /TR "C:\Users\Admin\AppData\Local\Temp\55aa5e.exe" /F
      2⤵
      • Creates scheduled task(s)
      PID:1688
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F33DCD29-EC1B-4347-B397-99D291F0C62F} S-1-5-21-3750544865-3773649541-1858556521-1000:XOCYHKRS\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
      C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2516
    • C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
      C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2568

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2516-13-0x0000000000CE0000-0x0000000001750000-memory.dmp
    Filesize

    10.4MB

  • memory/2516-20-0x0000000000CE0000-0x0000000001750000-memory.dmp
    Filesize

    10.4MB

  • memory/2516-17-0x0000000000CE0000-0x0000000001750000-memory.dmp
    Filesize

    10.4MB

  • memory/2568-26-0x0000000000100000-0x0000000000101000-memory.dmp
    Filesize

    4KB

  • memory/2568-24-0x0000000000100000-0x0000000000101000-memory.dmp
    Filesize

    4KB

  • memory/2568-23-0x0000000000CE0000-0x0000000001750000-memory.dmp
    Filesize

    10.4MB

  • memory/2568-28-0x0000000077AD0000-0x0000000077AD1000-memory.dmp
    Filesize

    4KB

  • memory/2568-27-0x0000000000CE0000-0x0000000001750000-memory.dmp
    Filesize

    10.4MB

  • memory/2568-31-0x0000000000CE0000-0x0000000001750000-memory.dmp
    Filesize

    10.4MB

  • memory/3040-5-0x0000000000090000-0x0000000000091000-memory.dmp
    Filesize

    4KB

  • memory/3040-7-0x0000000000CE0000-0x0000000001750000-memory.dmp
    Filesize

    10.4MB

  • memory/3040-10-0x0000000000CE0000-0x0000000001750000-memory.dmp
    Filesize

    10.4MB

  • memory/3040-6-0x0000000077AD0000-0x0000000077AD1000-memory.dmp
    Filesize

    4KB

  • memory/3040-0-0x0000000000090000-0x0000000000091000-memory.dmp
    Filesize

    4KB

  • memory/3040-2-0x0000000000CE0000-0x0000000001750000-memory.dmp
    Filesize

    10.4MB

  • memory/3040-3-0x0000000000090000-0x0000000000091000-memory.dmp
    Filesize

    4KB