Analysis

  • max time kernel
    114s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    11-07-2020 06:16

General

  • Target

    PDO ALWAKRA PROJECT_REF00023 # 25062018 # _DA25.exe

  • Size

    564KB

  • MD5

    b649ecb20453dca4f584fb748bd2544c

  • SHA1

    764a2edbc3cedd0657d225b03d07d50bf9d7cc4e

  • SHA256

    48e554159e6003c59fc3cec6633e274dcd650bbd7067413b6ec8de04aed1b958

  • SHA512

    ad27fbd4d37b906308c9373020418cd3c102dd7028f09f2c228eb74fc817cc3f902bf222aaf3e696cac8c490921f1f2b870187997418f2e9a67db915520e7599

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mytravelexplorer.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2JWcb}iP#4]+

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PDO ALWAKRA PROJECT_REF00023 # 25062018 # _DA25.exe
    "C:\Users\Admin\AppData\Local\Temp\PDO ALWAKRA PROJECT_REF00023 # 25062018 # _DA25.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZEANzKhWSFeC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC55.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:452
    • C:\Users\Admin\AppData\Local\Temp\PDO ALWAKRA PROJECT_REF00023 # 25062018 # _DA25.exe
      "C:\Users\Admin\AppData\Local\Temp\PDO ALWAKRA PROJECT_REF00023 # 25062018 # _DA25.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAC55.tmp
    MD5

    85188b3650fc550d29ca0c3888ffa2a3

    SHA1

    04c9c37b839978d426a6aa2747259e13b2101a04

    SHA256

    00b92a06b4f146488539fb9208a3f04df1258f86c034f7290401af2729b82b43

    SHA512

    e6497979e6528fcddf9aa86c702e0a300d6c38ffb80b6d3540987918fcfa81f148360d2f6ca80b1d428dd1b941ece6e91b03c70d047259802ef0b9ebcf1029fb

  • memory/452-0-0x0000000000000000-mapping.dmp
  • memory/552-2-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/552-3-0x000000000044729E-mapping.dmp
  • memory/552-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/552-5-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB