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
    02/12/2024, 00:08

General

  • Target

    56dbcabfc24ae2ac0b9d5964a671c2ce2a018e3f92e15c576440b0fee53bed24N.exe

  • Size

    90KB

  • MD5

    7cff56122e1a9d20e194dced0782e330

  • SHA1

    d89587ea590a4b37754e6121b5fd967af2aea928

  • SHA256

    56dbcabfc24ae2ac0b9d5964a671c2ce2a018e3f92e15c576440b0fee53bed24

  • SHA512

    a31d478ff1bc3ef03ac80b2c440900628afd397b6a9b4b1d608e3f1295c9f5ee9e6608e6c129ade51d6665ca991f8589e119c4b956467d25351da9894ff07d9d

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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\56dbcabfc24ae2ac0b9d5964a671c2ce2a018e3f92e15c576440b0fee53bed24N.exe
    "C:\Users\Admin\AppData\Local\Temp\56dbcabfc24ae2ac0b9d5964a671c2ce2a018e3f92e15c576440b0fee53bed24N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\56dbcabfc24ae2ac0b9d5964a671c2ce2a018e3f92e15c576440b0fee53bed24N.exe
      "C:\Users\Admin\AppData\Local\Temp\56dbcabfc24ae2ac0b9d5964a671c2ce2a018e3f92e15c576440b0fee53bed24N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RPNSF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:828
        • 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:1404
      • 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:2744
        • 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:1872
        • 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:2408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    5ef80bec533f1712b522fe39fba7d2e4

    SHA1

    2bfe3941927b496af2ae50eb23bbf36458093c78

    SHA256

    34e390123a67762e40537943b34d38debfe7b2f2958659c808cbb57da658427a

    SHA512

    70b56f639c4e1111434f11122b1bff8433b2b7724859c5edb8a7606b4518e2654b240e1f11d100ffcdce0a458b7dee8dbcb6cca77c14587472cb4c6d86bd05f0

  • memory/1872-252-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1872-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2408-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2408-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2688-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2688-28-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2688-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2688-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2688-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2688-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2688-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2688-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2688-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2688-40-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2688-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2688-79-0x0000000000320000-0x0000000000322000-memory.dmp

    Filesize

    8KB

  • memory/2688-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2688-70-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2688-60-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2744-178-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2744-167-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2744-151-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-157-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2744-255-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3064-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3064-147-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/3064-146-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/3064-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3064-148-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/3064-149-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/3064-214-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/3064-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3064-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3064-245-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/3064-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3064-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3064-251-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/3064-243-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/3064-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3064-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3064-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3064-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB