Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2024 09:21

General

  • Target

    f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe

  • Size

    326KB

  • MD5

    ceaafdb7a6b5d6ba4fc8c510e35ff9f0

  • SHA1

    ad0d0fc5059f852d8ba86984560834ee36a560d9

  • SHA256

    f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232a

  • SHA512

    d30dfd63116d4a23af889d11cdcacdca25b35870fcff4f10284f43a0f2c4a3c7f41467f1fc51a65637dde06d5bc6f6fea808149ba1b1ba17e2f29c7769657597

  • SSDEEP

    3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 25 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
    "C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
      "C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\CHWXU.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:324
        • 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
          • System Location Discovery: System Language Discovery
          PID:2276
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2288
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1812
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    c9c1df1423fac8cd826aaa57a60a1636

    SHA1

    e721950269a0d403f086299967d6da9552ba3b03

    SHA256

    894179ab1dbdfc8b4211f82a4cf8a9ee8d322d42f98201a7b8dfc906c14bd0f2

    SHA512

    14912dd1a99fb7a9af19a289ee4858f862e2e4e879248f2d4feb700a46f9254d2f220efcc9e1f177d70bc2ef5941c671881cac0342b14b568c40df0fa8fc51a4

  • memory/1488-82-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1488-80-0x00000000004F0000-0x00000000004F2000-memory.dmp

    Filesize

    8KB

  • memory/1488-24-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1488-28-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1488-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1488-60-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1488-92-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1488-89-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1488-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1488-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1488-79-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1488-78-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1488-70-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/1488-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1488-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1488-108-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1812-243-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1812-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1896-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1896-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2288-215-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2288-156-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2288-242-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2288-255-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2288-177-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2288-185-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2288-166-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2548-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2548-150-0x0000000003360000-0x00000000033B4000-memory.dmp

    Filesize

    336KB

  • memory/2548-148-0x0000000003360000-0x00000000033B4000-memory.dmp

    Filesize

    336KB

  • memory/2548-149-0x0000000003360000-0x00000000033B4000-memory.dmp

    Filesize

    336KB

  • memory/2548-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2548-214-0x0000000003360000-0x00000000033B4000-memory.dmp

    Filesize

    336KB

  • memory/2548-211-0x0000000003360000-0x00000000033B4000-memory.dmp

    Filesize

    336KB

  • memory/2548-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2548-134-0x0000000003360000-0x00000000033B4000-memory.dmp

    Filesize

    336KB

  • memory/2548-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2548-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2548-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2548-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2548-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2548-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2548-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB