Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 20:36

General

  • Target

    9018af484cddf39dd73bd87095602d52.exe

  • Size

    108KB

  • MD5

    9018af484cddf39dd73bd87095602d52

  • SHA1

    dea4559ee290fe3371a4ced25e7d3fd0c8c7f34b

  • SHA256

    67398d52c60aeb43be4a9923d154d0347e7250299e13c786aae9dc3cf23af7b1

  • SHA512

    230ea827ded8af9fb394acfc49b071a2179ea3cdbe0cef932009c530947b77ecf4097464b9790d421568ef28374e2d23a1fb72a0a75a339ad7f1083b3ecb6b22

  • SSDEEP

    3072:hoy8j7VnNdrPHaSekwi+mW+2W5Z35out:x8jZ7rvaU3+mWrcToS

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 16 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9018af484cddf39dd73bd87095602d52.exe
    "C:\Users\Admin\AppData\Local\Temp\9018af484cddf39dd73bd87095602d52.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5064
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:876

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\cmsetac.dll

          Filesize

          33KB

          MD5

          965df136f0cea9286441f242d3e36624

          SHA1

          688ff39d76aaa43cdd44aab17ebf16a764648ad1

          SHA256

          72bef3c45889a83ef384ddc171f4d47f994042bd8380109c6ef3bb7f7263050a

          SHA512

          a19387c4501457fddd84129414054c78d01ffed5342f7bcfc90cfaf2e966aaac0b2124a2b6e23cd03c58f76e8b1bd1ed38d9cc08eff7d9fa6ee56252a8f51205

        • C:\Windows\mstwain32.exe

          Filesize

          108KB

          MD5

          9018af484cddf39dd73bd87095602d52

          SHA1

          dea4559ee290fe3371a4ced25e7d3fd0c8c7f34b

          SHA256

          67398d52c60aeb43be4a9923d154d0347e7250299e13c786aae9dc3cf23af7b1

          SHA512

          230ea827ded8af9fb394acfc49b071a2179ea3cdbe0cef932009c530947b77ecf4097464b9790d421568ef28374e2d23a1fb72a0a75a339ad7f1083b3ecb6b22

        • C:\Windows\ntdtcstp.dll

          Filesize

          7KB

          MD5

          67587e25a971a141628d7f07bd40ffa0

          SHA1

          76fcd014539a3bb247cc0b761225f68bd6055f6b

          SHA256

          e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

          SHA512

          6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

        • memory/876-31-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-35-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-65-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-21-0x00000000022A0000-0x00000000022AE000-memory.dmp

          Filesize

          56KB

        • memory/876-24-0x0000000002250000-0x0000000002251000-memory.dmp

          Filesize

          4KB

        • memory/876-25-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-26-0x0000000000970000-0x0000000000978000-memory.dmp

          Filesize

          32KB

        • memory/876-27-0x00000000022A0000-0x00000000022AE000-memory.dmp

          Filesize

          56KB

        • memory/876-28-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-62-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-32-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-17-0x0000000000920000-0x0000000000921000-memory.dmp

          Filesize

          4KB

        • memory/876-38-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-41-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-44-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-47-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-50-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-53-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-56-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/876-59-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/5064-0-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/5064-11-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB