Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-05-2024 05:22

General

  • Target

    71523d4ed0a8d827f80c6d2e9ec825e0_NEAS.exe

  • Size

    326KB

  • MD5

    71523d4ed0a8d827f80c6d2e9ec825e0

  • SHA1

    7b5d36ad61933ea1ecf0314879d54994c5075a41

  • SHA256

    28f1e799b00bed99d9777b6d48e7f20c9d2dd9386869ecea13ab68633600abfa

  • SHA512

    10f9834ecc6ae105ab5f9cc3a30960b7cabc6b68760c3ed3f1134df0329d4b7e4737b1400f56394ad162155055a08c07010a307e72d6a78e8fa3a6bf248b780b

  • SSDEEP

    3072:Ie2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:IsxD5cwohO+O1sVG0/pZ6iPC8

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 22 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71523d4ed0a8d827f80c6d2e9ec825e0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\71523d4ed0a8d827f80c6d2e9ec825e0_NEAS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\71523d4ed0a8d827f80c6d2e9ec825e0_NEAS.exe
      "C:\Users\Admin\AppData\Local\Temp\71523d4ed0a8d827f80c6d2e9ec825e0_NEAS.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\EDRHU.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1320
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1424
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1476
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2256
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\EDRHU.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

    Filesize

    326KB

    MD5

    ceab66967b8dd47b31ce516f1768fa74

    SHA1

    e552e8aca681cc9e74e85f0cb203f674c2787d7a

    SHA256

    3f39cb2f31f92e5c60d6bbad8b43fb5fb277b04d07d832d744c36db4e1dcaa1d

    SHA512

    31abf0d06efbca7e079a16593c8a0fa2ac3438bb0fe3b526ee94e0ecab1eb3fe86f6aeb7ada42459b2b89fd4e6685f8174d6eef4656d513384186cf854c3ccba

  • memory/1476-154-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/1476-164-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/1476-175-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/1476-243-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1476-209-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2256-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-249-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-151-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2408-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-145-0x0000000002D50000-0x0000000002DA4000-memory.dmp

    Filesize

    336KB

  • memory/2408-146-0x0000000002D50000-0x0000000002DA4000-memory.dmp

    Filesize

    336KB

  • memory/2408-147-0x0000000002D50000-0x0000000002DA4000-memory.dmp

    Filesize

    336KB

  • memory/2804-27-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2804-81-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2804-59-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2804-106-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2804-69-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2804-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2804-77-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2804-78-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2804-103-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2804-39-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2804-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2804-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2804-247-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2804-82-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2804-87-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2804-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2804-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2848-248-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2848-259-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB