Analysis

  • max time kernel
    51s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    24/06/2020, 13:37

General

  • Target
    PO No. 104393019_pdf.exe
  • Size 783KB
  • Sample200624-lam37ypcb2
  • SHA256 b05d95907bad3746cc161aa8bd74c71191a25fc383557fbf754d7c417daeb8f4
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • UPX packed file 3 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO No. 104393019_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO No. 104393019_pdf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    PID:608
    • C:\Users\Admin\AppData\Local\Temp\PO No. 104393019_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PO No. 104393019_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1308

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1308-0-0x0000000000400000-0x00000000004AD000-memory.dmp

        memory/1308-2-0x0000000000400000-0x00000000004AD000-memory.dmp

        memory/1308-3-0x0000000000400000-0x00000000004AD000-memory.dmp

        memory/1308-4-0x00000000004B0000-0x0000000000500000-memory.dmp

        memory/1308-5-0x00000000002B2000-0x00000000002B3000-memory.dmp

        memory/1308-6-0x00000000002C0000-0x000000000030B000-memory.dmp