Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 19:27

General

  • Target

    6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe

  • Size

    90KB

  • MD5

    80d7b2af4b8593074bd71f63cf1ca8f0

  • SHA1

    5e5526ae598e09d7fb917398ff6a46bdd44ae4ee

  • SHA256

    6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38

  • SHA512

    c98ef7e29d1d0665b525b8af2dfea58c836052cc35deb71336d37d4821f86796b7575c3bb91310d1d4e96c6e812089271b00a27ff0ef26e74a4c7dce1d014f6d

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3L

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • 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 24 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\6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe
    "C:\Users\Admin\AppData\Local\Temp\6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe
      "C:\Users\Admin\AppData\Local\Temp\6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\YXTUH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2480
        • 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:2392
      • 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:2152
        • 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:1424
        • 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:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a1d74299574e151fcc868f446820fb3b

    SHA1

    95e4de1ecc0e1ebee8264a51777e32c8f34283e6

    SHA256

    5c9f8cae866a32db8de1092141f2d825f68754e96af72b5b4d6ba3ab6392f053

    SHA512

    b7d767134b528ab163a5293353d983f77c9dbc601caf4560f69fa3173c1bba5035cfc828b9145edc58828adb8cdf9a6a47d351b1e3824d8b606f1aef79faf0c5

  • memory/1424-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2124-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2124-27-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2124-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2124-5-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2124-15-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2124-101-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2124-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2124-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2124-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2124-39-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2124-80-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2124-78-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

  • memory/2124-77-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2124-69-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2124-59-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2152-152-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2152-180-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2152-219-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2152-159-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2152-169-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2152-255-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2572-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2572-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2640-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-150-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2640-148-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2640-147-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2640-146-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2640-149-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2640-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-218-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2640-215-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2640-214-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2640-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-247-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2640-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2640-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2640-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB