Analysis

  • max time kernel
    158s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 21:45

General

  • Target

    850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453.exe

  • Size

    490KB

  • MD5

    4177811dd4b662c95d917919e355b9d9

  • SHA1

    3b6a8d162fdd07763aa0da23dcc56d3ead8bb1e9

  • SHA256

    850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453

  • SHA512

    21e2dbf01423a83f773926a45f2f46999fab439af2950c0dd87290cdb5c04ce5ad008c93795feb3bbe70d56556c774f544e56b9340f62eb84c752cae5be46ff8

  • SSDEEP

    12288:JYMusnjmLjbiGXE4yqkrGrBWd+dpmSbB2y9Kr:6RsnjmL7EEkrGru+dAmB2y8r

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 10 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453.exe
    "C:\Users\Admin\AppData\Local\Temp\850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Users\Admin\AppData\Local\Temp\850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453.exe
      C:\Users\Admin\AppData\Local\Temp\850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Users\Admin\AppData\Local\Temp\850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453.exe
        3⤵
        • Checks computer location settings
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1068
        • C:\Windows\mstwain32.exe
          "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Drops file in Windows directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1120
          • C:\Windows\mstwain32.exe
            C:\Windows\mstwain32.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Drops file in Windows directory
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3448
            • C:\Windows\mstwain32.exe
              6⤵
              • UAC bypass
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks whether UAC is enabled
              • Drops file in Windows directory
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • System policy modification
              PID:2948
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    03cb3c4f214bb369009560a972ff88c4

    SHA1

    df2ee1d8f4bd631917c25f4281aa10207b816bcd

    SHA256

    848b9b28974b51f9668f8b926904ade879bbf968b5b2e6bde7712ef39b5f86ec

    SHA512

    18d3fb939f660323585d9806f40845b30670702f0ccfcabb10ef180ea2d318b0ca3eb97d297a6dd9ce2061c11b20e9669931d1b3bbe3e4fd7ce38ac23be3d55d

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    03cb3c4f214bb369009560a972ff88c4

    SHA1

    df2ee1d8f4bd631917c25f4281aa10207b816bcd

    SHA256

    848b9b28974b51f9668f8b926904ade879bbf968b5b2e6bde7712ef39b5f86ec

    SHA512

    18d3fb939f660323585d9806f40845b30670702f0ccfcabb10ef180ea2d318b0ca3eb97d297a6dd9ce2061c11b20e9669931d1b3bbe3e4fd7ce38ac23be3d55d

  • C:\Windows\mstwain32.exe

    Filesize

    490KB

    MD5

    4177811dd4b662c95d917919e355b9d9

    SHA1

    3b6a8d162fdd07763aa0da23dcc56d3ead8bb1e9

    SHA256

    850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453

    SHA512

    21e2dbf01423a83f773926a45f2f46999fab439af2950c0dd87290cdb5c04ce5ad008c93795feb3bbe70d56556c774f544e56b9340f62eb84c752cae5be46ff8

  • C:\Windows\mstwain32.exe

    Filesize

    490KB

    MD5

    4177811dd4b662c95d917919e355b9d9

    SHA1

    3b6a8d162fdd07763aa0da23dcc56d3ead8bb1e9

    SHA256

    850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453

    SHA512

    21e2dbf01423a83f773926a45f2f46999fab439af2950c0dd87290cdb5c04ce5ad008c93795feb3bbe70d56556c774f544e56b9340f62eb84c752cae5be46ff8

  • C:\Windows\mstwain32.exe

    Filesize

    490KB

    MD5

    4177811dd4b662c95d917919e355b9d9

    SHA1

    3b6a8d162fdd07763aa0da23dcc56d3ead8bb1e9

    SHA256

    850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453

    SHA512

    21e2dbf01423a83f773926a45f2f46999fab439af2950c0dd87290cdb5c04ce5ad008c93795feb3bbe70d56556c774f544e56b9340f62eb84c752cae5be46ff8

  • C:\Windows\mstwain32.exe

    Filesize

    490KB

    MD5

    4177811dd4b662c95d917919e355b9d9

    SHA1

    3b6a8d162fdd07763aa0da23dcc56d3ead8bb1e9

    SHA256

    850d02b6e4ad263b597e2107a83fa8a7d10930fa0490084be7db4a4c0be54453

    SHA512

    21e2dbf01423a83f773926a45f2f46999fab439af2950c0dd87290cdb5c04ce5ad008c93795feb3bbe70d56556c774f544e56b9340f62eb84c752cae5be46ff8

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1048-135-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/1048-142-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/1048-134-0x0000000000000000-mapping.dmp

  • memory/1068-143-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1068-140-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1068-149-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1068-139-0x0000000000000000-mapping.dmp

  • memory/1068-141-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1068-144-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1120-145-0x0000000000000000-mapping.dmp

  • memory/2948-161-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2948-165-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2948-157-0x0000000000000000-mapping.dmp

  • memory/2948-168-0x0000000003080000-0x000000000308E000-memory.dmp

    Filesize

    56KB

  • memory/2948-169-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3448-162-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/3448-151-0x0000000000000000-mapping.dmp