Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    20-05-2022 21:55

General

  • Target

    9bbdb70d09509452db079c0fa78b2a2911863314c737bafde2cd3245b190c5bb.xls

  • Size

    67KB

  • MD5

    d0a899064c6be7e65cffff246739deb8

  • SHA1

    077c3433df502bd6ae41437032537f0d4bb4c709

  • SHA256

    9bbdb70d09509452db079c0fa78b2a2911863314c737bafde2cd3245b190c5bb

  • SHA512

    15d79b4752ebfdf4e9526b95e708d7f7c144f0a23ccaada588804798f0ed68105fc97fb620c6a51fda456f00f58295a111e5eae0348d55affd91697265f44df1

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.clasite.com/blogs/IEEsyn/

xlm40.dropper

https://oncrete-egy.com/wp-content/V6Igzw8/

xlm40.dropper

http://opencart-destek.com/catalog/OqHwQ8xlWa5Goyo/

xlm40.dropper

http://www.pjesacac.com/components/O93XXhMN3tOtTlV/

Signatures

  • Process spawned unexpected child process 4 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\9bbdb70d09509452db079c0fa78b2a2911863314c737bafde2cd3245b190c5bb.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\uxevr1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3484
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\uxevr2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3564
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\uxevr3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3736
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\uxevr4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3168

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2564-117-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp
    Filesize

    64KB

  • memory/2564-118-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp
    Filesize

    64KB

  • memory/2564-119-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp
    Filesize

    64KB

  • memory/2564-120-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp
    Filesize

    64KB

  • memory/2564-129-0x00007FFE80A50000-0x00007FFE80A60000-memory.dmp
    Filesize

    64KB

  • memory/2564-130-0x00007FFE80A50000-0x00007FFE80A60000-memory.dmp
    Filesize

    64KB

  • memory/3168-256-0x0000000000000000-mapping.dmp
  • memory/3484-251-0x0000000000000000-mapping.dmp
  • memory/3564-254-0x0000000000000000-mapping.dmp
  • memory/3736-255-0x0000000000000000-mapping.dmp