Analysis

  • max time kernel
    110s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2022 18:26

General

  • Target

    BofA_Remittance_Advice.xls

  • Size

    122KB

  • MD5

    4b46967dd9b0cc889a71879e74c78163

  • SHA1

    f4ab4a4754ba6815e6ba8adb03f68d9ea2edd39a

  • SHA256

    d1300974e16f75b2fd0deeb5b4f212f2d1c9eb0d77bc51664c4dfbcdca4beb63

  • SHA512

    b7bd17bc20af7daf04f201e2d4fc2a73ad3e9e1c7c97d9451ca4e0a62d777ae469b356d5b8191e50020411f51a4b1c42fade07c6ed6196af0355298b6c2aef81

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\BofA_Remittance_Advice.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:1832
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\eCGVm.js"
      2⤵
      • Process spawned unexpected child process
      PID:1380

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\eCGVm.js
    Filesize

    697B

    MD5

    4fd6ff19cbc980fc763f0f16dc2ec33d

    SHA1

    2c15825e32c5d84af8ca1e4e3b950007cd9d94d1

    SHA256

    3a95b9f9068a7db00e7dcf7a54507f22f2626536e55d147d252053a437a32055

    SHA512

    610a0e4448997ca2e5afcbdfad56fff816e7e4d72641791be7715c89c40817b750a87b183ed2b9702a310c6836c37ccc93d6d0219d855c7bf52b4d7f4a27ccb5

  • memory/1380-59-0x0000000000000000-mapping.dmp
  • memory/1832-54-0x000000002FA11000-0x000000002FA14000-memory.dmp
    Filesize

    12KB

  • memory/1832-55-0x00000000712F1000-0x00000000712F3000-memory.dmp
    Filesize

    8KB

  • memory/1832-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1832-57-0x00000000722DD000-0x00000000722E8000-memory.dmp
    Filesize

    44KB

  • memory/1832-58-0x0000000075061000-0x0000000075063000-memory.dmp
    Filesize

    8KB

  • memory/1832-62-0x00000000722DD000-0x00000000722E8000-memory.dmp
    Filesize

    44KB

  • memory/1832-63-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1832-64-0x00000000722DD000-0x00000000722E8000-memory.dmp
    Filesize

    44KB