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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
    27/09/2024, 22:21

General

  • Target

    b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe

  • Size

    326KB

  • MD5

    13c43ea9907a0ba765f9a953f2c7ff70

  • SHA1

    7090c38c2437d2c2cdd406694415c9f67f724b27

  • SHA256

    b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498

  • SHA512

    357e37575a44918c7b2e176b0c503a7bf1bf195f737d6dd67992e9fee60b39dec8b11660d5071cfd5d59b23db9893b922a7a25f74013b02ab3aaf5638fded241

  • SSDEEP

    3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 20 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\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
    "C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
      "C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\SWRNO.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2788
        • 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:1584
      • 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:2936
        • 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:944
        • 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:1068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    68bd97db296b8af6c175a91971ae89bc

    SHA1

    effac6c09c4d4700f5e5a0b9c5a33d4413036344

    SHA256

    3e51ce621de2e8633bc17deac8b6d426f07e7cb24594dc1d354ccca85855541e

    SHA512

    728cb024a76447becc54b18d20d46bab8de587278e34d5f598ef131bf304b6c112a5b91577626f82f3146541cc260d5c9cfe72e1c1bae71d2c32b0b31e83b86a

  • memory/944-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1068-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1068-243-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2528-99-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2528-70-0x0000000001C00000-0x0000000001C01000-memory.dmp

    Filesize

    4KB

  • memory/2528-78-0x0000000001C20000-0x0000000001C22000-memory.dmp

    Filesize

    8KB

  • memory/2528-60-0x0000000001BE0000-0x0000000001BE1000-memory.dmp

    Filesize

    4KB

  • memory/2528-40-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/2528-28-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2528-89-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2528-3-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2528-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2528-87-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2528-15-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2528-5-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2528-100-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2528-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2604-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-133-0x00000000028A0000-0x00000000028F4000-memory.dmp

    Filesize

    336KB

  • memory/2604-146-0x00000000028B0000-0x0000000002904000-memory.dmp

    Filesize

    336KB

  • memory/2604-150-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-252-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-242-0x00000000028B0000-0x0000000002904000-memory.dmp

    Filesize

    336KB

  • memory/2936-210-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2936-244-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2936-153-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2936-163-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2936-182-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2936-174-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB