Analysis

  • max time kernel
    110s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 18:16

General

  • Target

    9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe

  • Size

    270KB

  • MD5

    7a515838637bf9d9c93fe72b276c5fd0

  • SHA1

    3d8804863c3d60d88b0ca1440f527be183a144f9

  • SHA256

    9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaa

  • SHA512

    fb2238a8ed9c9a45ddb753c3b7195f670008aac6864de73688c56d5b84d426740e16b38a17af843325884ca0fbcaee0b5608891c336fcfd6dfe83a939e8e223b

  • SSDEEP

    6144:KG377xS2Vp2CeiorXhwTBOz53ipcCJJvH:Zr7xS2Vp6FwTZbJJvH

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 13 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
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe
    "C:\Users\Admin\AppData\Local\Temp\9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2468
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    b3cf838137c7d17b9dc7417ea317701b

    SHA1

    f227c3590708f32b4f61827bb6f8164da296bf64

    SHA256

    15e473b5cb060fab45c176f127c403d980cfbc01889a78d70480e555e1762f1a

    SHA512

    20167a2eeb9e99d114d1d42234258d724ca387d1e9ed6bcce8c239b8e28367c4f906569f20f528d03aea04d47b2aac5cd4aeca7ce2fab5a8b5b8faaef9066597

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    7a515838637bf9d9c93fe72b276c5fd0

    SHA1

    3d8804863c3d60d88b0ca1440f527be183a144f9

    SHA256

    9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaa

    SHA512

    fb2238a8ed9c9a45ddb753c3b7195f670008aac6864de73688c56d5b84d426740e16b38a17af843325884ca0fbcaee0b5608891c336fcfd6dfe83a939e8e223b

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/892-27-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-33-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-20-0x00000000030E0000-0x00000000030EE000-memory.dmp

    Filesize

    56KB

  • memory/892-23-0x0000000002F90000-0x0000000002F91000-memory.dmp

    Filesize

    4KB

  • memory/892-24-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-26-0x00000000030E0000-0x00000000030EE000-memory.dmp

    Filesize

    56KB

  • memory/892-25-0x0000000002120000-0x0000000002128000-memory.dmp

    Filesize

    32KB

  • memory/892-54-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-30-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-16-0x00000000008E0000-0x00000000008E1000-memory.dmp

    Filesize

    4KB

  • memory/892-36-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-39-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-42-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-45-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-48-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/892-51-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2468-8-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB