Resubmissions

01-07-2022 01:23

220701-br42naebfk 10

30-06-2022 20:01

220630-yrwfvaahbn 1

Analysis

  • max time kernel
    104s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 01:23

General

  • Target

    docs_06_30_2022.xlsb

  • Size

    58KB

  • MD5

    f391b6abfa46df66449a0446f80d4168

  • SHA1

    ef875d0ed399227b6a549c150f2d7f881096f303

  • SHA256

    1fc6bed3f1f9a03513cff88ce3d523852565812a75874800add07b4a2efe870b

  • SHA512

    6ac260767d721f91aaa5e3e0f04e8f2270572c4db3fa7942153776d93bc12c79a69adb7a7da1eea1fff8d4ed7c9c001a3eb675035bbafb0fdaba2dd5b82ddcdd

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • 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 AdjustPrivilegeToken 34 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\docs_06_30_2022.xlsb
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:452
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of AdjustPrivilegeToken
    PID:936

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

  • memory/452-54-0x000000002FF11000-0x000000002FF14000-memory.dmp
    Filesize

    12KB

  • memory/452-55-0x0000000071241000-0x0000000071243000-memory.dmp
    Filesize

    8KB

  • memory/452-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/452-57-0x000000007222D000-0x0000000072238000-memory.dmp
    Filesize

    44KB

  • memory/452-58-0x0000000075361000-0x0000000075363000-memory.dmp
    Filesize

    8KB

  • memory/452-60-0x000000007222D000-0x0000000072238000-memory.dmp
    Filesize

    44KB

  • memory/452-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/452-62-0x000000007222D000-0x0000000072238000-memory.dmp
    Filesize

    44KB

  • memory/936-59-0x000007FEFB9A1000-0x000007FEFB9A3000-memory.dmp
    Filesize

    8KB