Analysis

  • max time kernel
    132s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-01-2021 19:06

General

  • Target

    Proforma Invoivce.exe

  • Size

    878KB

  • MD5

    572afb6f3b62af4c6fbb4b9e044debf6

  • SHA1

    471a55857a1679ec87d3fc44eb4047b23f1a848c

  • SHA256

    0007311d7ccdb22d05e828edd39abec574f7f18b6f7ad9262acd1e76a6f4b7de

  • SHA512

    9779a364cdeefcb5f0a70f0538d264338cbfde7f90515e405f7378bcabad555bdbbaa9c868b7bd67cd45c9bcdc14815eca39dd75914bd6d083326e6a0e9208cc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dicon.md
  • Port:
    587
  • Username:
    nado@dicon.md
  • Password:
    Nneoma1234@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proforma Invoivce.exe
    "C:\Users\Admin\AppData\Local\Temp\Proforma Invoivce.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Users\Admin\AppData\Local\Temp\Proforma Invoivce.exe
      "{path}"
      2⤵
        PID:3312
      • C:\Users\Admin\AppData\Local\Temp\Proforma Invoivce.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3176

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Proforma Invoivce.exe.log
      MD5

      0c2899d7c6746f42d5bbe088c777f94c

      SHA1

      622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

      SHA256

      5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

      SHA512

      ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

    • memory/3176-12-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3176-22-0x00000000064D0000-0x00000000064D1000-memory.dmp
      Filesize

      4KB

    • memory/3176-21-0x00000000059D0000-0x00000000059D1000-memory.dmp
      Filesize

      4KB

    • memory/3176-20-0x0000000005A70000-0x0000000005A71000-memory.dmp
      Filesize

      4KB

    • memory/3176-15-0x0000000073820000-0x0000000073F0E000-memory.dmp
      Filesize

      6.9MB

    • memory/3176-13-0x00000000004374AE-mapping.dmp
    • memory/4052-7-0x0000000004F10000-0x0000000004F11000-memory.dmp
      Filesize

      4KB

    • memory/4052-11-0x0000000007440000-0x0000000007441000-memory.dmp
      Filesize

      4KB

    • memory/4052-10-0x0000000006D30000-0x0000000006D94000-memory.dmp
      Filesize

      400KB

    • memory/4052-9-0x00000000050D0000-0x00000000050DE000-memory.dmp
      Filesize

      56KB

    • memory/4052-8-0x0000000004F80000-0x0000000004F81000-memory.dmp
      Filesize

      4KB

    • memory/4052-2-0x0000000073820000-0x0000000073F0E000-memory.dmp
      Filesize

      6.9MB

    • memory/4052-6-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
      Filesize

      4KB

    • memory/4052-5-0x0000000005440000-0x0000000005441000-memory.dmp
      Filesize

      4KB

    • memory/4052-3-0x0000000000640000-0x0000000000641000-memory.dmp
      Filesize

      4KB