Analysis

  • max time kernel
    100s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    11-08-2022 06:14

General

  • Target

    CITIREMITTANCEADVICE.xls

  • Size

    119KB

  • MD5

    2057c566db6fb1532e9bee1cdab7f018

  • SHA1

    ac672abfc153fdabcbb1f1ffa149dc98e05e7c72

  • SHA256

    9b0ac9fff5a7bf388a5921f555f31d9d6004901b62ed0d1da9eb0b19e04cbc46

  • SHA512

    9e083e11b5fef981ce0234553ea8b61a0ccd264e03d6afab47242c6046e18bb665d24c5a604f7772dbf21ef3d6b0c0bb3bb70d16d08705a8b9e513ad3ef32df1

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\CITIREMITTANCEADVICE.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\afJNP.js"
      2⤵
      • Process spawned unexpected child process
      PID:880

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\afJNP.js
    Filesize

    1KB

    MD5

    9d4530bea683addb375e9191b24ff07b

    SHA1

    4426459471623f61d5f61b35aeb4385384576a8e

    SHA256

    5380aa75db1f89784bce12c79491c097184637d5d0c33dfb6a565430bd742ad9

    SHA512

    402098cb87cf2f354e079bb8bfabf180242b2c1f6ff37b67610638e2f726e315d88c13c1c5be62e72250eace34e4c97eaa30691570e5d3865c9fe8a6a9022ef8

  • memory/880-71-0x0000000000000000-mapping.dmp
  • memory/1612-64-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-65-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-58-0x00000000754F1000-0x00000000754F3000-memory.dmp
    Filesize

    8KB

  • memory/1612-60-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-59-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-61-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-63-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-62-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-54-0x000000002FB71000-0x000000002FB74000-memory.dmp
    Filesize

    12KB

  • memory/1612-57-0x00000000726FD000-0x0000000072708000-memory.dmp
    Filesize

    44KB

  • memory/1612-66-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-67-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-68-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-70-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-69-0x0000000000627000-0x0000000000632000-memory.dmp
    Filesize

    44KB

  • memory/1612-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1612-55-0x0000000071711000-0x0000000071713000-memory.dmp
    Filesize

    8KB

  • memory/1612-74-0x00000000726FD000-0x0000000072708000-memory.dmp
    Filesize

    44KB

  • memory/1612-75-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1612-76-0x00000000726FD000-0x0000000072708000-memory.dmp
    Filesize

    44KB