Analysis

  • max time kernel
    248s
  • max time network
    346s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 03:37

General

  • Target

    670011a08ddcde9d1892593a968f87e9e8800248f6bb9b8967b05ec4c34b64d0.docm

  • Size

    21KB

  • MD5

    720f6555332b5fee6755debc506c6dd5

  • SHA1

    4a2d406e5aff77159ee39067383302420231b045

  • SHA256

    670011a08ddcde9d1892593a968f87e9e8800248f6bb9b8967b05ec4c34b64d0

  • SHA512

    295238351c882e129ceaac7d8d248a40d24b2d085cc78817d3334f03b3bfc24fc2123bddfd393500ece4600ede743eb3b31f5d789a5153e577668658e8abfacc

  • SSDEEP

    384:/imtZAqRZiSte7ZwedKS6w19Q/CEmkfsJyJ7sSMk+dRYHWfVMzPYkEx:/LZAqRZ7t2Zweww19Q6nSMk+Y2fVGP0

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://belombre.com/js/bin.exe

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 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\670011a08ddcde9d1892593a968f87e9e8800248f6bb9b8967b05ec4c34b64d0.docm"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\Users\Admin\AppData\Local\Temp\adobeacd-update.bat
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:788
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.2.2 -n 2
        3⤵
        • Runs ping.exe
        PID:1092
      • C:\Windows\SysWOW64\cscript.exe
        cscript.exe "c:\Users\Admin\AppData\Local\Temp\adobeacd-update.vbs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1620
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy bypass -noprofile -file C:\Users\Admin\AppData\Local\Temp\adobeacd-update.ps1
          4⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1404
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:816

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\adobeacd-update.ps1
      Filesize

      1KB

      MD5

      dbe0df0ea16c82857c8b21a18e3d5dc4

      SHA1

      34da2a37991a9c0d636861dd598e49ed7400e50e

      SHA256

      35cb45bf4b886175868c0c41bbc7822c1615a18678d0cfce3a9b43d91087d3b9

      SHA512

      ebe5a173456885255da3eb432543fe912ba26287c636e0f7585f6d17cb08f32b33cac24b5c637f84cdf1ce0199c2621ffbeb2236ce7a6f873b8e2bd6055cb837

    • \??\c:\Users\Admin\AppData\Local\Temp\adobeacd-update.bat
      Filesize

      105B

      MD5

      887e69d78ec4cdd87bd91bde8d1202ea

      SHA1

      24e2d56daf1660916e12085c9a05f0e203e1d797

      SHA256

      37043a8c9988e89e9726fa3a8dd9a0fbee8d4d96c6fa87788b1ca247fd33a90f

      SHA512

      d6931aec563e2a34b92ae5084f57ccfa5ed62de2b6d1dcb428c04611460e5fc763a4d0271184134469c650ae99d276c0376fd666d57f3fc17a32e2f8a878a631

    • \??\c:\Users\Admin\AppData\Local\Temp\adobeacd-update.vbs
      Filesize

      669B

      MD5

      ffc36f926b285039fac6a9d1935a902c

      SHA1

      187f3f56d94f35bddd58a53b3420c8444d50bd30

      SHA256

      3e2165633ad34ce60ecfe72de564506f25ecdcba79a52b4ed42213c7f722ff64

      SHA512

      97560c3192ff6d81a515abd5103ccde9f1df3ebe49ed18b20e2431b5e20fc0ebe210f1fcc845377996cdcd043cc6f4e0d21d75181a7b022f46f82469336569fa

    • memory/556-82-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-59-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-84-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-60-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-85-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-61-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-62-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-63-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-64-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-65-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-67-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-66-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-68-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-69-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-71-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-70-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-73-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-72-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-74-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-75-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-77-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-76-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-79-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-78-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-86-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-81-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-83-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/556-58-0x0000000076581000-0x0000000076583000-memory.dmp
      Filesize

      8KB

    • memory/556-57-0x000000007160D000-0x0000000071618000-memory.dmp
      Filesize

      44KB

    • memory/556-80-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-88-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-93-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-94-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-92-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-91-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-90-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-89-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-98-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-97-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-100-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-99-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-102-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-103-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-101-0x000000000045D000-0x0000000000461000-memory.dmp
      Filesize

      16KB

    • memory/556-104-0x000000007160D000-0x0000000071618000-memory.dmp
      Filesize

      44KB

    • memory/556-116-0x000000007160D000-0x0000000071618000-memory.dmp
      Filesize

      44KB

    • memory/556-54-0x0000000072BA1000-0x0000000072BA4000-memory.dmp
      Filesize

      12KB

    • memory/556-55-0x0000000070621000-0x0000000070623000-memory.dmp
      Filesize

      8KB

    • memory/788-87-0x0000000000000000-mapping.dmp
    • memory/816-106-0x000007FEFC251000-0x000007FEFC253000-memory.dmp
      Filesize

      8KB

    • memory/816-105-0x0000000000000000-mapping.dmp
    • memory/1092-96-0x0000000000000000-mapping.dmp
    • memory/1404-110-0x0000000000000000-mapping.dmp
    • memory/1404-112-0x000000006B0B0000-0x000000006B65B000-memory.dmp
      Filesize

      5.7MB

    • memory/1404-113-0x000000006B0B0000-0x000000006B65B000-memory.dmp
      Filesize

      5.7MB

    • memory/1404-115-0x00000000050D0000-0x00000000051C1000-memory.dmp
      Filesize

      964KB

    • memory/1620-107-0x0000000000000000-mapping.dmp