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Overview

overview

7

Static

static

3

59bc15ce4d...a9.exe

windows7-x64

7

59bc15ce4d...a9.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 06:31

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General

  • Target

    59bc15ce4dccd35ab21625a6bda720a9.exe

  • Size

    1020KB

  • MD5

    59bc15ce4dccd35ab21625a6bda720a9

  • SHA1

    404dfdcde677387314e4cebb5e41cd151a76946e

  • SHA256

    56bc30e99a76192e7c58678c9ea2df05fe524be0aa8e7d5db2aaf8fbaf76a200

  • SHA512

    a9b0741e9fa9aa9f1333cdf3d92cb79fc0ff3c4614ab599db10182bedab91473f8244c90dab48fa03eecf215be07d4e54fc0195e7a8e82cec508816a9e96d3de

  • SSDEEP

    12288:Y7HEcbV+K3FuzGIwo2Zn83uh6y7rCQTrl87+kE3E/:Y7HEcbV1FPo2Z8+h60uQTrl87+k5

Score
7/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 64 IoCs
  • Loads dropped DLL 64 IoCs
  • Modifies system executable filetype association 2 TTPs 6 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 12 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 30 IoCs
  • Kills process with taskkill 6 IoCs
    evasion
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 58 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\59bc15ce4dccd35ab21625a6bda720a9.exe
    "C:\Users\Admin\AppData\Local\Temp\59bc15ce4dccd35ab21625a6bda720a9.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\AppData\Local\Temp\csrss.exe
      C:\Users\Admin\AppData\Local\Temp\csrss.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system executable filetype association
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 C:\Windows\system32\mfncom.dll /s
        3⤵
        • Loads dropped DLL
        • Modifies registry class
        PID:2692
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /IM sslmgr.exe /F
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2556
      • C:\Windows\SysWOW64\mfnsvc.exe
        C:\Windows\system32\mfnsvc.exe /install
        3⤵
        • Executes dropped EXE
        PID:2644
      • C:\Windows\SysWOW64\mfnspinst32.exe
        C:\Windows\system32\mfnspinst32.exe /install "NOD32" "C:\Windows\system32\mfnsp32.dll"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2628
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /IM msconfig.exe /F
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2620
      • C:\Windows\SysWOW64\nod32krn.exe
        C:\Windows\system32\nod32krn.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies system executable filetype association
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        PID:1524
        • C:\Windows\SysWOW64\sslmgr.exe
          C:\Windows\system32\sslmgr.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          PID:2424
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2268
        • C:\Users\Admin\AppData\Local\Temp\csrss.exe
          C:\Users\Admin\AppData\Local\Temp\csrss.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1964
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2516
        • C:\Users\Admin\AppData\Local\Temp\csrss.exe
          C:\Users\Admin\AppData\Local\Temp\csrss.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1600
        • C:\Users\Admin\AppData\Local\Temp\csrss.exe
          C:\Users\Admin\AppData\Local\Temp\csrss.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:844
        • C:\Users\Admin\AppData\Local\Temp\csrss.exe
          C:\Users\Admin\AppData\Local\Temp\csrss.exe
          4⤵
            PID:2072
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies system executable filetype association
            • Drops autorun.inf file
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1044
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1324
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1896
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2972
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1824
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2352
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2164
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:780
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2580
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2960
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1468
          • C:\Users\Admin\AppData\Local\Temp\csrss.exe
            C:\Users\Admin\AppData\Local\Temp\csrss.exe
            4⤵
            • Suspicious use of SetWindowsHookEx
            PID:2220
        • C:\Windows\SysWOW64\sslmgr.exe
          C:\Windows\system32\sslmgr.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          PID:2784
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2324
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1184
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1776
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1108
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2060
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2656
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1232
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:776
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1744
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2120
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1924
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:952
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2880
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2712
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2968
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2024
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1452
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2832
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2676
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1568
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:792
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:324
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2376
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1028
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2072
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2536
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2896
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2084
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1652
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1244
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2684
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Suspicious use of SetWindowsHookEx
          PID:2732
        • C:\Windows\SysWOW64\nod32krn.exe
          C:\Windows\system32\nod32krn.exe
          3⤵
          • Suspicious use of SetWindowsHookEx
          PID:1256
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /IM sslmgr.exe /F
        2⤵
        • Kills process with taskkill
        PID:1776
      • C:\Windows\SysWOW64\mfnsvc.exe
        C:\Windows\system32\mfnsvc.exe /install
        2⤵
        • Executes dropped EXE
        PID:1928
      • C:\Windows\SysWOW64\mfnspinst32.exe
        C:\Windows\system32\mfnspinst32.exe /install "NOD32" "C:\Windows\system32\mfnsp32.dll"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1724
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 C:\Windows\system32\mfncom.dll /s
        2⤵
        • Loads dropped DLL
        • Modifies registry class
        PID:1712
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /IM msconfig.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3060
      • C:\Windows\SysWOW64\nod32krn.exe
        C:\Windows\system32\nod32krn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:768
      • C:\Windows\SysWOW64\nod32krn.exe
        C:\Windows\system32\nod32krn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2432
      • C:\Windows\SysWOW64\sslmgr.exe
        C:\Windows\system32\sslmgr.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        PID:1816
    • C:\Users\Admin\AppData\Local\Temp\csrss.exe
      C:\Users\Admin\AppData\Local\Temp\csrss.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2140
    • C:\Windows\SysWOW64\mfnsvc.exe
      C:\Windows\SysWOW64\mfnsvc.exe
      1⤵
      • Executes dropped EXE
      PID:2480
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill.exe /IM sslmgr.exe /F
      1⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:112
    • C:\Windows\SysWOW64\mfnsvc.exe
      C:\Windows\system32\mfnsvc.exe /install
      1⤵
      • Executes dropped EXE
      PID:572
    • C:\Windows\SysWOW64\mfnspinst32.exe
      C:\Windows\system32\mfnspinst32.exe /install "NOD32" "C:\Windows\system32\mfnsp32.dll"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:384
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\Windows\system32\mfncom.dll /s
      1⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:2340
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill.exe /IM msconfig.exe /F
      1⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
    • C:\Users\Admin\AppData\Local\Temp\csrss.exe
      C:\Users\Admin\AppData\Local\Temp\csrss.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Windows\SysWOW64\mfncom.dll
      Filesize

      172KB

      MD5

      02072e69843b39a070f4b492b05153ef

      SHA1

      65a69924d65dad1bd5b2933d5971441dc27109c7

      SHA256

      9e4f261cab18c4437c8371f98a9a6b7aae04ed0c98154c0946a9990fe668ff21

      SHA512

      552e625e5fed58d9421ce94f220bdf89bdadf86684ca1dd8e5db7b3fe491ea16709ef9fb398e89189887d534552f510b5bb6f4195385c6d9c9ae750499c72aa0

      Download Submit

    • \Windows\SysWOW64\mfnspinst32.exe
      Filesize

      76KB

      MD5

      c64c5b6d412245c09c15ea5e7bb6b910

      SHA1

      c94a7362d5cd34d3d6efa6acf0604121ffe820e0

      SHA256

      46b310fab7e432978ccef1b9a9307e05360b2c07ef4a5eb8a5679416c4b98e97

      SHA512

      e9afd2b288f0f0d6f45d69a527f729a60fe52b25f183010ce9b329e5a4d0a98ff3b4220c5ff9206201aa436eada21c6b088e71ffed1032ea3db631bd24bb4605

      Download Submit

    • memory/1044-0-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/1524-297-0x0000000003130000-0x0000000003131000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1524-296-0x0000000003120000-0x0000000003121000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1524-295-0x0000000003110000-0x0000000003111000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1524-294-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1524-293-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1524-289-0x0000000002E40000-0x0000000002E95000-memory.dmp

      Filesize

      340KB

      Download