Analysis

  • max time kernel
    118s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 12:27

General

  • Target

    ORDEN DE COMPRA 80107.pdf________________________.exe

  • Size

    229KB

  • MD5

    af7c27fd6e49538aa93a667d67463c51

  • SHA1

    e2da9a0143a07da2b2c498f4622ea5db21d9298f

  • SHA256

    d7553925a2f9d9840cd23da20f66fcbfb3e7eca2f24c624e2f6139181eefc138

  • SHA512

    6fdf0a2efc97e8c69c8aa97d4a2f47826c7bc201a8db4323f41ac097925c0c5e919ec7df5e72579d61dab3e7e38f8e8a324ca8a336b55e2ce756838a9bd08122

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bhgautopartes.com
  • Port:
    587
  • Username:
    kubaba@bhgautopartes.com
  • Password:
    icui4cu2@@

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • AgentTesla Payload 2 IoCs
  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA 80107.pdf________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA 80107.pdf________________________.exe"
    1⤵
    • Checks QEMU agent file
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
      "C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA 80107.pdf________________________.exe"
      2⤵
      • Checks QEMU agent file
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3740

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2472-117-0x00000000022C0000-0x00000000022D4000-memory.dmp
    Filesize

    80KB

  • memory/2472-118-0x00007FFFEE4D0000-0x00007FFFEE6AB000-memory.dmp
    Filesize

    1.9MB

  • memory/2472-119-0x0000000077B80000-0x0000000077D0E000-memory.dmp
    Filesize

    1.6MB

  • memory/2472-120-0x0000000077B80000-0x0000000077D0E000-memory.dmp
    Filesize

    1.6MB

  • memory/3740-121-0x0000000000B00000-0x0000000000DD0000-memory.dmp
    Filesize

    2.8MB

  • memory/3740-122-0x00007FFFEE4D0000-0x00007FFFEE6AB000-memory.dmp
    Filesize

    1.9MB

  • memory/3740-123-0x0000000077B80000-0x0000000077D0E000-memory.dmp
    Filesize

    1.6MB

  • memory/3740-124-0x0000000000400000-0x00000000006A3000-memory.dmp
    Filesize

    2.6MB

  • memory/3740-125-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3740-126-0x00000000202A0000-0x000000002079E000-memory.dmp
    Filesize

    5.0MB

  • memory/3740-139-0x000000001FFE0000-0x000000002007C000-memory.dmp
    Filesize

    624KB

  • memory/3740-140-0x000000001FDA0000-0x000000002029E000-memory.dmp
    Filesize

    5.0MB

  • memory/3740-178-0x0000000000760000-0x0000000000778000-memory.dmp
    Filesize

    96KB

  • memory/3740-181-0x0000000020080000-0x00000000200E6000-memory.dmp
    Filesize

    408KB

  • memory/3740-203-0x0000000020940000-0x00000000209D2000-memory.dmp
    Filesize

    584KB

  • memory/3740-206-0x000000001FF80000-0x000000001FF8A000-memory.dmp
    Filesize

    40KB