Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 04:55

General

  • Target

    3f724bc459e52c032e937ffabe23264c72a41f45fff733c791e63d0a34571da4.exe

  • Size

    186KB

  • MD5

    3bc773537140efa8ee9a743401a83fb7

  • SHA1

    3f7d384fe00be88d009118c43c3aa4679a11572c

  • SHA256

    3f724bc459e52c032e937ffabe23264c72a41f45fff733c791e63d0a34571da4

  • SHA512

    b37b50488b74e97536cceada4c39914dc3ace7a696197786efacfb26bdef9a60af0e72b040b1f42dd570508be52daed0aa72bd09f05bb5f09b57e7ce775d3a83

  • SSDEEP

    3072:2CkaY46tGNttyeQLYm1QARYLJXJoYtpA/H3RpDecC+EZX70RjLTu46R0Eb:d046tGdye41QgYLjvqXRpDecw7Kj3u4A

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3432
      • C:\Users\Admin\AppData\Local\Temp\3f724bc459e52c032e937ffabe23264c72a41f45fff733c791e63d0a34571da4.exe
        "C:\Users\Admin\AppData\Local\Temp\3f724bc459e52c032e937ffabe23264c72a41f45fff733c791e63d0a34571da4.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4972
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3884
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3948
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aB1AC.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3268
          • C:\Users\Admin\AppData\Local\Temp\3f724bc459e52c032e937ffabe23264c72a41f45fff733c791e63d0a34571da4.exe
            "C:\Users\Admin\AppData\Local\Temp\3f724bc459e52c032e937ffabe23264c72a41f45fff733c791e63d0a34571da4.exe"
            4⤵
            • Executes dropped EXE
            PID:452
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3504
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:232
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4752
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4220
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      251KB

      MD5

      7a6f8ab58667a59bfb5ac00fd008eea7

      SHA1

      226085e13ab8ea82db6303fa645d6cdea26a7a59

      SHA256

      5406d9865a09068c64014c3a58fe830ef76ec34ee6944f1646a01d036c9d991c

      SHA512

      9a4954cd80b6e36e1ae80b58a62fc345ee702f76d1264a52c4506bf3e1b356578a6d8d229811459a5e592b31ef7c50592076ca5ac0740b76b34ca60c1646c0ef

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      75805a3f66de16d721b88cd2262437db

      SHA1

      f0573805792acbcadc1519bf7d7c48dbaa4f2aa9

      SHA256

      7969ce8077e3373c02aa56f4296cb61e0718955bdb748b9a1a0ebe8f5bd81264

      SHA512

      aa4d9ee286281f45432e16c41995b7456d845eaa039d2106c645f6cd6220c417d1b457174546d61324f6692d467fba46085842e9af8eba3e5fd93de0ba537797

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      644KB

      MD5

      d3f7a4609bee92e23ccb350fb23b9a7b

      SHA1

      c543400938d8f8843c31089afea9a3e73bb5919a

      SHA256

      7f1318a0912a33c7f571912a1f41e060167e64684fe1e4b45d2fc7a6add89d04

      SHA512

      c5e16ba4a754d48b64b8b5eac36271e9449c682d2a44f14e7fb6aa7ecde3e30836573097fc79de6679d1f0e73ba80f9cfa8bbcf584698412bd1175e8823f74d4

    • C:\Users\Admin\AppData\Local\Temp\$$aB1AC.bat

      Filesize

      722B

      MD5

      1a5b95fe2d0e55cf9ab7892f91073b21

      SHA1

      359804ad43f759dc10b2b7278caa6aed34c177ba

      SHA256

      c5a191e57a4612451236f4f147ddce198d241de7828ba67987e07ff937d17b91

      SHA512

      40215271f9edd22ce5331b38cd35e7aaddd385bc99bf299b6837ee067f3a3851de9ff2de64879c13f3a5624620da0ef720603e0e2ad102094d0eb8539ec71731

    • C:\Users\Admin\AppData\Local\Temp\3f724bc459e52c032e937ffabe23264c72a41f45fff733c791e63d0a34571da4.exe.exe

      Filesize

      152KB

      MD5

      3440c72d695db245adb2728b6a5d9b1d

      SHA1

      1e510973687c9a0b58464aaf43048a183d825e26

      SHA256

      37462e31a348d32c9421557f38a601a632c0bdf24d8157481ba82b45f8fef64f

      SHA512

      5be93dca3a1f9b8e286146d43f848ef6b8bc5ef99ca5cf50839a62dd5083d915dc94ca5a30658838e2365a45a5dd522e641ee71f811202148c9db860113018e6

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      b1c5147643da9a221f3690975e7c7ff0

      SHA1

      56a6c9189094076984bb8383629e3fa56391f5db

      SHA256

      5aade11cbc6566eae281f8bf38d84d6f543898263dda1dcd88232789443d82d6

      SHA512

      e3009410cbebe746b43fd2a4a9b6b5468f19535c9422a7a946b9f1c32308e42faf2400ff54b2c1987bbcf12736977158d0e99e02feada4504bcfe4fb9a734bd1

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-4089630652-1596403869-279772308-1000\_desktop.ini

      Filesize

      10B

      MD5

      b234f65c842f48c59a94b913a3a270d2

      SHA1

      2caeaf8fe301b48b9c9195fae787e987e3d209ab

      SHA256

      d2077e75e01aa96dc8079388609587061dab8165a9685c5cb1570fbb55f5a91a

      SHA512

      efae04d13638d5d9253f4dd5ff53cb38d78004911d3e0126192421901fe7be04d248ce2bfb236b792c69d9e444e1a48234dfe345166ada5855c08b4813d35077

    • memory/3504-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3504-2652-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3504-13-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3504-8718-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4972-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4972-11-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB