Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 14:06

General

  • Target

    Payment Order PDF.exe

  • Size

    490KB

  • MD5

    c1e714ba72c555e4a63385070b61dede

  • SHA1

    f8c2e2533faf6045a4606a10dd75d343f75a1100

  • SHA256

    6fd5a741816876a01cba7faedbd4c98fc21243e49f46669d61506df36ebe78f4

  • SHA512

    7468a8ab7abcba362938d6c9455f8d33cb73a4b7ccf956662754794b8287e25f39ec62a8d605fe2390db32deaa8f3ec2a1579dd3d81688dc40af3d7683bd10dc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.emirtecnt.com
  • Port:
    587
  • Username:
    store@emirtecnt.com
  • Password:
    Ablegod123456

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe"
      2⤵
        PID:3076
      • C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3772

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment Order PDF.exe.log
      MD5

      0c2899d7c6746f42d5bbe088c777f94c

      SHA1

      622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

      SHA256

      5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

      SHA512

      ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

    • memory/2716-122-0x0000000006210000-0x0000000006211000-memory.dmp
      Filesize

      4KB

    • memory/2716-117-0x00000000058B0000-0x00000000058B1000-memory.dmp
      Filesize

      4KB

    • memory/2716-119-0x00000000053B0000-0x00000000058AE000-memory.dmp
      Filesize

      5.0MB

    • memory/2716-120-0x0000000005550000-0x0000000005551000-memory.dmp
      Filesize

      4KB

    • memory/2716-121-0x0000000005EE0000-0x0000000005EE7000-memory.dmp
      Filesize

      28KB

    • memory/2716-115-0x0000000000BF0000-0x0000000000BF1000-memory.dmp
      Filesize

      4KB

    • memory/2716-123-0x00000000062B0000-0x0000000006308000-memory.dmp
      Filesize

      352KB

    • memory/2716-118-0x00000000054A0000-0x00000000054A1000-memory.dmp
      Filesize

      4KB

    • memory/3772-124-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3772-125-0x000000000043763E-mapping.dmp
    • memory/3772-131-0x0000000005850000-0x0000000005D4E000-memory.dmp
      Filesize

      5.0MB

    • memory/3772-132-0x0000000005C90000-0x0000000005C91000-memory.dmp
      Filesize

      4KB

    • memory/3772-133-0x0000000006540000-0x0000000006541000-memory.dmp
      Filesize

      4KB

    • memory/3772-136-0x0000000005850000-0x0000000005D4E000-memory.dmp
      Filesize

      5.0MB