Analysis

  • max time kernel
    92s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    18-08-2020 13:23

General

  • Target

    DHl Delivery reciept.exe

  • Size

    624KB

  • MD5

    2cfdae4ee4082225277048a7735c1561

  • SHA1

    da23e01a6e02dddfcd7a52b3822c28c5b16aafc2

  • SHA256

    8243c8a72e7a2021b4d956f5dafc19ded0162e9eb99f158f8da83660ea9368b5

  • SHA512

    764946c9a353ab7b4a71376efbfe143deaedfb753b6cf98489761b6fab442a79d07ef9b2e030f93f9bd9a3f7be7a65695e61f015da093dccfed8278be87df14a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sapgroup.com.pk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    moin@26919

Signatures

  • 404 Keylogger

    Information stealer and keylogger first seen in 2019.

  • 404 Keylogger Main Executable 6 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe
    "C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe
      "C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1408

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1408-0-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1408-1-0x000000000044E450-mapping.dmp

  • memory/1408-2-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1408-3-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1408-4-0x0000000000270000-0x0000000000292000-memory.dmp

    Filesize

    136KB

  • memory/1408-5-0x0000000000562000-0x0000000000563000-memory.dmp

    Filesize

    4KB

  • memory/1408-6-0x0000000000220000-0x000000000023C000-memory.dmp

    Filesize

    112KB

  • memory/1408-8-0x0000000073940000-0x000000007402E000-memory.dmp

    Filesize

    6.9MB