Analysis

  • max time kernel
    198s
  • max time network
    200s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08/11/2022, 15:37

General

  • Target
    DHL Consignment_pdf.exe
  • Size 1.2MB
  • Sample221108-s2ggsaebd3
  • SHA256 d638e7ea6048de830f145ff0e37950b009c10da0b49be87a145a9418541a0cdd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Campaign
  • figc

Decoy
  • 47NW9KXrL+jgHgkaH/SBm7e9+eE=

  • ZiDP2+PQatbRpw==

  • McLVGasjijBUTSo=

  • 7pCDHTcZBQCyFKFSb/4E

  • YwIKwvCFzlnbzcNqDNZ3WH77

  • yFJV/xjTQINSFzg=

  • HJb3EiH2afruNRSvM8UmOTJszaNv

  • vpTsJ8xRpExCgnlkzaoM

  • hUfQlYHe4Qb+DVchQM/mlOM2kjVisoJUMQ==

  • 0URByQED2NCVrO2x5w==

  • 0rjp8oD4ZRKfuI9GPlhwJA==

  • dxYJqqoonh7bHhMqMNIxXJnL5biDg2uv

  • N8ICb2IiuRdOx0dgucigiZ0DBA==

  • xmZ3s1jrZPStPdn5PlhwJA==

  • UxQyYwqi37V3q59to3PU5ZOZtoEGTcin

  • SpBGRe06ITs14S8=

  • spVKc4gldemrMNzf

  • 6IBwrjx2XTs14S8=

  • FOp6CqjQtLdXT25kzaoM

  • P/O46RkpqQ8Uvw==

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 6 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious behavior: MapViewOfSection 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\DHL Consignment_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL Consignment_pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:792
      • C:\Users\Admin\AppData\Local\Temp\DHL Consignment_pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\DHL Consignment_pdf.exe"
        3⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:848
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:1776
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:592
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x498
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:708
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1576
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1908
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SendNotifyMessage
    PID:1716

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/592-82-0x000007FEFB591000-0x000007FEFB593000-memory.dmp

        memory/592-85-0x0000000007620000-0x0000000007708000-memory.dmp

        memory/592-84-0x0000000007620000-0x0000000007708000-memory.dmp

        memory/792-55-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

        memory/792-56-0x00000000003D0000-0x00000000003E2000-memory.dmp

        memory/792-57-0x0000000000530000-0x000000000053C000-memory.dmp

        memory/792-58-0x0000000007F20000-0x0000000007FCA000-memory.dmp

        memory/792-59-0x0000000000790000-0x0000000000802000-memory.dmp

        memory/792-54-0x0000000000B70000-0x0000000000CB6000-memory.dmp

        memory/848-60-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/848-61-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/848-67-0x0000000000401000-0x000000000042F000-memory.dmp

        memory/848-69-0x0000000000CC0000-0x0000000000FC3000-memory.dmp

        memory/848-70-0x00000000001A0000-0x00000000001B0000-memory.dmp

        memory/848-63-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/848-73-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/848-66-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/848-74-0x0000000000401000-0x000000000042F000-memory.dmp

        memory/1236-71-0x00000000074C0000-0x000000000763D000-memory.dmp

        memory/1236-80-0x0000000004040000-0x00000000040EB000-memory.dmp

        memory/1236-81-0x0000000004040000-0x00000000040EB000-memory.dmp

        memory/1576-87-0x0000000007720000-0x00000000078AB000-memory.dmp

        memory/1576-89-0x0000000007720000-0x00000000078AB000-memory.dmp

        memory/1776-77-0x00000000021F0000-0x00000000024F3000-memory.dmp

        memory/1776-83-0x0000000000080000-0x00000000000AD000-memory.dmp

        memory/1776-79-0x0000000000B80000-0x0000000000C0F000-memory.dmp

        memory/1776-76-0x0000000000080000-0x00000000000AD000-memory.dmp

        memory/1776-75-0x0000000000C50000-0x0000000000C59000-memory.dmp

        memory/1908-90-0x0000000006D30000-0x0000000006DD8000-memory.dmp

        memory/1908-91-0x0000000006D30000-0x0000000006DD8000-memory.dmp