Resubmissions

23-11-2022 17:40

221123-v8zm2sbc62 10

23-11-2022 08:29

221123-kdqrjscc7v 10

Analysis

  • max time kernel
    41s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 08:29

General

  • Target

    Okihbllr.exe

  • Size

    813KB

  • MD5

    075d9c52498f73266ac8e6b6dc93338f

  • SHA1

    9e5de0203a144c2098def6c56521ac80bbac715e

  • SHA256

    5c9bb9046742d87cecc0707c790bbb880430b28abea4b2d34f93e25a431ba1cf

  • SHA512

    9bffb68e80dd59d7da8783dd92441daf914d9ead0f13376570668172b139ac18843b2be7a71617000ef32b95397e08bc9ffe796a3e38d5da708e94c674088207

  • SSDEEP

    12288:vOrAkZrlpZxc3NKqgw9ONuRJooNN5dHVqTdTB2O4rwSMpxwhxPgV:vs3hp4c6/n5q5oOqLM2x4V

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://drive.google.com/uc?export=download&id=1MBtsjmywyat6GFW-5YPgcumD-ReC9ToK

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Okihbllr.exe
    "C:\Users\Admin\AppData\Local\Temp\Okihbllr.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Libraries\png.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -FILE C:\Users\Public\Libraries\png.ps1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 584
      2⤵
      • Program crash
      PID:1868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Public\Libraries\png.bat

    Filesize

    100B

    MD5

    c385a71887d828b1df961942e68ecfe8

    SHA1

    3f539a56267af3db91be9ac9ea2fd5d803a53279

    SHA256

    bcd9e416bc017b7f079e7daee3b628ccdcf34cfb93d1d131f0d11ee2ba3498f3

    SHA512

    83d48fa5c8d06918fe63404500f35231f461dd7ce57540d9f9c36b0fcc81a15e02f28e5aa66acdf2183ce95acd2f301e3d5963c10e2bc298c93dab87e9d90848

  • C:\Users\Public\Libraries\png.ps1

    Filesize

    213B

    MD5

    3ebceae09f2c6f5daeada34a61f97a75

    SHA1

    ad696c38250e3468fe4d5117238090c70cf4c661

    SHA256

    880d8e1c9c3de1286a872690f75def5f65dd49c09f5f4567287bc72a072133d5

    SHA512

    01effc8cbe84c580b6cbadddef91704d2cf810575ad6ccf7d415e9c4823e7802a15f04dd55583e95102cacb954eb4e85aea8225307b82eccbfa756abfa422293

  • memory/572-59-0x0000000000000000-mapping.dmp

  • memory/572-61-0x0000000073480000-0x0000000073A2B000-memory.dmp

    Filesize

    5.7MB

  • memory/572-63-0x0000000073480000-0x0000000073A2B000-memory.dmp

    Filesize

    5.7MB

  • memory/572-64-0x0000000073480000-0x0000000073A2B000-memory.dmp

    Filesize

    5.7MB

  • memory/1052-57-0x0000000000000000-mapping.dmp

  • memory/1708-54-0x0000000075651000-0x0000000075653000-memory.dmp

    Filesize

    8KB

  • memory/1708-55-0x0000000000290000-0x00000000002BC000-memory.dmp

    Filesize

    176KB

  • memory/1868-65-0x0000000000000000-mapping.dmp