Analysis

  • max time kernel
    134s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2022 22:36

General

  • Target

    Krisha Vison-KOL-2223-01180-AMENDED.docx

  • Size

    10KB

  • MD5

    05fe20851e6f72d31d6147c937a5da98

  • SHA1

    be102582e04deebd9c48cc3c75ee07ffb989a3af

  • SHA256

    d8df07960071358246fa7078c9defe1e1f787303df3c931da89e4b291d61376e

  • SHA512

    0ff1708c5cd74a0fd49d37eb2935b65a76b7efea1c2b2d9a3e6328522cdc4366cf859dd4ddb995cdcfeb61b948a16cb74769b5cf3121be159fb788d2c6891aab

  • SSDEEP

    192:ScIMmtPf+CUG/bA3/w2O/wrdlJFmQDZ7rhhap308p:SPXumAO/wjJFmIZfhMFp

Score
10/10

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 53 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Abuses OpenXML format to download file from external location 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\Krisha Vison-KOL-2223-01180-AMENDED.docx"
    1⤵
    • Abuses OpenXML format to download file from external location
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:576
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Launches Equation Editor
      • Suspicious use of WriteProcessMemory
      PID:840
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        2⤵
        • Executes dropped EXE
        PID:828

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\vbc.exe

      Filesize

      1.1MB

      MD5

      bbc84fc3aaafe74f843a8f73cb385d53

      SHA1

      4403ae06138c66e76e64d8f90c65ed0dd757e3f7

      SHA256

      b6a0fbbf26534ffa0b158a4b7384c43cfda1d7064389442380ae1594e33ea310

      SHA512

      c1b0a802ebd2bd6a385210f9f36c31da048978856ec65696be5dec87409d87a280b07d6d9237e947265f7f4d6734abded1e304179d1e13b681ffc03c26d2f822

    • C:\Users\Public\vbc.exe

      Filesize

      1.1MB

      MD5

      bbc84fc3aaafe74f843a8f73cb385d53

      SHA1

      4403ae06138c66e76e64d8f90c65ed0dd757e3f7

      SHA256

      b6a0fbbf26534ffa0b158a4b7384c43cfda1d7064389442380ae1594e33ea310

      SHA512

      c1b0a802ebd2bd6a385210f9f36c31da048978856ec65696be5dec87409d87a280b07d6d9237e947265f7f4d6734abded1e304179d1e13b681ffc03c26d2f822

    • \Users\Public\vbc.exe

      Filesize

      1.1MB

      MD5

      bbc84fc3aaafe74f843a8f73cb385d53

      SHA1

      4403ae06138c66e76e64d8f90c65ed0dd757e3f7

      SHA256

      b6a0fbbf26534ffa0b158a4b7384c43cfda1d7064389442380ae1594e33ea310

      SHA512

      c1b0a802ebd2bd6a385210f9f36c31da048978856ec65696be5dec87409d87a280b07d6d9237e947265f7f4d6734abded1e304179d1e13b681ffc03c26d2f822

    • \Users\Public\vbc.exe

      Filesize

      1.1MB

      MD5

      bbc84fc3aaafe74f843a8f73cb385d53

      SHA1

      4403ae06138c66e76e64d8f90c65ed0dd757e3f7

      SHA256

      b6a0fbbf26534ffa0b158a4b7384c43cfda1d7064389442380ae1594e33ea310

      SHA512

      c1b0a802ebd2bd6a385210f9f36c31da048978856ec65696be5dec87409d87a280b07d6d9237e947265f7f4d6734abded1e304179d1e13b681ffc03c26d2f822

    • memory/576-69-0x000007FEFB801000-0x000007FEFB803000-memory.dmp

      Filesize

      8KB

    • memory/828-84-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-104-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-108-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-107-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-106-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-105-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-103-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-80-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-102-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-101-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-100-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-99-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-98-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-97-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-96-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-95-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-94-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-93-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-92-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-91-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-90-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-89-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-88-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-87-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-86-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-85-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-66-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-83-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-82-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-81-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-78-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-79-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-119-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-77-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-76-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-112-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-111-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-110-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-109-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-75-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-74-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-73-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-72-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-71-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-70-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-113-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-117-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-116-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-115-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-114-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-122-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-121-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/828-120-0x0000000000260000-0x00000000002C4000-memory.dmp

      Filesize

      400KB

    • memory/1520-54-0x00000000722F1000-0x00000000722F4000-memory.dmp

      Filesize

      12KB

    • memory/1520-55-0x000000006FD71000-0x000000006FD73000-memory.dmp

      Filesize

      8KB

    • memory/1520-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1520-57-0x0000000074D61000-0x0000000074D63000-memory.dmp

      Filesize

      8KB

    • memory/1520-58-0x0000000070D5D000-0x0000000070D68000-memory.dmp

      Filesize

      44KB

    • memory/1520-59-0x0000000070D5D000-0x0000000070D68000-memory.dmp

      Filesize

      44KB

    • memory/1520-224-0x0000000070D5D000-0x0000000070D68000-memory.dmp

      Filesize

      44KB