Analysis

  • max time kernel
    105s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 06:29

General

  • Target

    PurchaseorderN2321.xll

  • Size

    642KB

  • MD5

    097f479c059a0457970f5370d1c20607

  • SHA1

    52defc3f3200bad2c288bebbec51900519d94c66

  • SHA256

    bbd9443b33cfc70359018a41bc56f9a04b05c4761070d9ab805879014047374f

  • SHA512

    dbd287780c594cb2dadc34d5362d36ac7d430e25dbc78041564a9efd7ed9d9cc500e20a8720ef2e2a4a7c576856cba69b8c73b0da57df0be7106cafd3b2a6ec9

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • Loads dropped DLL 2 IoCs
  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\PurchaseorderN2321.xll
    1⤵
    • Loads dropped DLL
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1280

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

  • \Users\Admin\AppData\Local\Temp\PurchaseorderN2321.xll
    Filesize

    642KB

    MD5

    097f479c059a0457970f5370d1c20607

    SHA1

    52defc3f3200bad2c288bebbec51900519d94c66

    SHA256

    bbd9443b33cfc70359018a41bc56f9a04b05c4761070d9ab805879014047374f

    SHA512

    dbd287780c594cb2dadc34d5362d36ac7d430e25dbc78041564a9efd7ed9d9cc500e20a8720ef2e2a4a7c576856cba69b8c73b0da57df0be7106cafd3b2a6ec9

  • \Users\Admin\AppData\Local\Temp\PurchaseorderN2321.xll
    Filesize

    642KB

    MD5

    097f479c059a0457970f5370d1c20607

    SHA1

    52defc3f3200bad2c288bebbec51900519d94c66

    SHA256

    bbd9443b33cfc70359018a41bc56f9a04b05c4761070d9ab805879014047374f

    SHA512

    dbd287780c594cb2dadc34d5362d36ac7d430e25dbc78041564a9efd7ed9d9cc500e20a8720ef2e2a4a7c576856cba69b8c73b0da57df0be7106cafd3b2a6ec9

  • memory/1280-57-0x0000000072B0D000-0x0000000072B18000-memory.dmp
    Filesize

    44KB

  • memory/1280-54-0x000000002FBE1000-0x000000002FBE4000-memory.dmp
    Filesize

    12KB

  • memory/1280-58-0x0000000076181000-0x0000000076183000-memory.dmp
    Filesize

    8KB

  • memory/1280-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1280-55-0x0000000071B21000-0x0000000071B23000-memory.dmp
    Filesize

    8KB

  • memory/1280-61-0x00000000031D0000-0x00000000031E2000-memory.dmp
    Filesize

    72KB

  • memory/1280-62-0x00000000078E0000-0x0000000007A64000-memory.dmp
    Filesize

    1.5MB

  • memory/1280-63-0x0000000004520000-0x000000000455C000-memory.dmp
    Filesize

    240KB

  • memory/1280-64-0x0000000069C51000-0x0000000069C53000-memory.dmp
    Filesize

    8KB

  • memory/1280-65-0x0000000004670000-0x0000000004678000-memory.dmp
    Filesize

    32KB

  • memory/1280-66-0x000000000520B000-0x000000000521C000-memory.dmp
    Filesize

    68KB

  • memory/1280-67-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB