Analysis

  • max time kernel
    118s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 07:53

General

  • Target

    1bfbbd19d2f8867edb212775de36a27c3da84b64d3e30786a20162abbf11990a.exe

  • Size

    90KB

  • MD5

    611d0fdf6bba56300d42f203b50c56b7

  • SHA1

    53d4a47e4be9e768d154104a36c62782c9603091

  • SHA256

    1bfbbd19d2f8867edb212775de36a27c3da84b64d3e30786a20162abbf11990a

  • SHA512

    c3920c513123404a92d00186f586499185a32c8755d843f718434fcf89af60f5603f001249565863da5fca2375ca71a057b9404a7b3598aad3a4b8409e42ae4d

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDg:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3m

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 23 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\1bfbbd19d2f8867edb212775de36a27c3da84b64d3e30786a20162abbf11990a.exe
    "C:\Users\Admin\AppData\Local\Temp\1bfbbd19d2f8867edb212775de36a27c3da84b64d3e30786a20162abbf11990a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Users\Admin\AppData\Local\Temp\1bfbbd19d2f8867edb212775de36a27c3da84b64d3e30786a20162abbf11990a.exe
      "C:\Users\Admin\AppData\Local\Temp\1bfbbd19d2f8867edb212775de36a27c3da84b64d3e30786a20162abbf11990a.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\CTLHC.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2940
        • 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:2036
      • 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:2796
        • 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:2296
        • 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:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    cb5077e0cf0808d6ae12887dab610b22

    SHA1

    c536b2864069cf1254ee21637a7928b9a3cd3054

    SHA256

    21b83da752cc7ef010b417e65e5f11a4726516557e8020bf98b23ef44b43ba38

    SHA512

    0a24cb1d991bcf0a4b837e2e570542f57a071b1c5341833a2979193557bd9602b0f0b0db19e234de17ebb7b70444cb3ba0d9e15b6c787b278b8c4176bda85b4e

  • memory/2296-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2348-22-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2348-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2348-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2348-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2348-79-0x0000000000470000-0x0000000000472000-memory.dmp

    Filesize

    8KB

  • memory/2348-98-0x00000000027E0000-0x0000000002833000-memory.dmp

    Filesize

    332KB

  • memory/2348-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2348-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2348-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2348-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2348-15-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2348-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2348-28-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2348-40-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2348-60-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2348-70-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2536-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-148-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2536-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2536-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-152-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2536-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-151-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2536-150-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2536-149-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2536-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-250-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2536-251-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2536-215-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2796-170-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2796-216-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2796-181-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2796-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2796-160-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2796-154-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3060-252-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3060-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB