Analysis

  • max time kernel
    145s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    02-12-2021 12:20

General

  • Target

    core.bat

  • Size

    186B

  • MD5

    cd7a0b405869b98028d7ede99337938b

  • SHA1

    bea9faf1d948b6e98d162b244ee27deac433005a

  • SHA256

    56ac6b71c2d627d4513098b463a090799ec29c481c004c14d77c2f4e4b30eb77

  • SHA512

    8706014489aef497ec8061c7742d83f80ca4ae184e46ee9e8d8314e3c346c458a2f286204b1fcf0ac8249e27b13725988b4ccbe82ab8e032fe36b42c902e8c74

Malware Config

Extracted

Family

icedid

Campaign

1892568649

C2

normyils.com

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • suricata: ET MALWARE Win32/IcedID Request Cookie

    suricata: ET MALWARE Win32/IcedID Request Cookie

  • Blocklisted process makes network request 4 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\core.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\unveilx64.tmp,DllMain /i="license.dat"
      2⤵
      • Blocklisted process makes network request
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:1524
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\unveilx64.tmp,update /i="license.dat"
      2⤵
        PID:1480

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1480-57-0x0000000000000000-mapping.dmp
    • memory/1524-55-0x0000000000000000-mapping.dmp
    • memory/1524-56-0x00000000003C0000-0x0000000000423000-memory.dmp
      Filesize

      396KB