Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 14:17

General

  • Target

    043824e73122c345e4081841e81d64ada72700e8f95549eb4b0ae0a07ee0d8cf.exe

  • Size

    164KB

  • MD5

    05d3c6e1c2726cfa659f044cc6c3f232

  • SHA1

    b82f957011ea799358735b7c4422188a03d0a09f

  • SHA256

    043824e73122c345e4081841e81d64ada72700e8f95549eb4b0ae0a07ee0d8cf

  • SHA512

    68cf693d6b60afe565b38a5b117d00e2bd4977a2b11226a737f202d000a75b56657360f21985dd087de4536df0330b65121d5417f3d7c409755ad38b2df3b2a7

  • SSDEEP

    3072:xHe+aX38yas99djmMGWBgh1002J8emEu3T7TO+9Z9sTOVrZzxVxU:c+aX38KYWBW1Wu3rOOuOVr8

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 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 43 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\043824e73122c345e4081841e81d64ada72700e8f95549eb4b0ae0a07ee0d8cf.exe
      "C:\Users\Admin\AppData\Local\Temp\043824e73122c345e4081841e81d64ada72700e8f95549eb4b0ae0a07ee0d8cf.exe"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2796
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2780
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\$$a3C26.bat
        3⤵
        • Deletes itself
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2912
        • C:\Users\Admin\AppData\Local\Temp\043824e73122c345e4081841e81d64ada72700e8f95549eb4b0ae0a07ee0d8cf.exe
          "C:\Users\Admin\AppData\Local\Temp\043824e73122c345e4081841e81d64ada72700e8f95549eb4b0ae0a07ee0d8cf.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2612
      • C:\Windows\Logo1_.exe
        C:\Windows\Logo1_.exe
        3⤵
        • 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:2604
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2580
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2660
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3036
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

    Filesize

    258KB

    MD5

    946ef88164c84cf4afd633befc8327ac

    SHA1

    534a32a75e4f01757deecb2ff6d1631d6d5f830f

    SHA256

    b3725df35745187cb73641ee87c19ded286e57b0ef98d81aff4b3b7ecf497a4e

    SHA512

    79f937e4fcb88d5b73db3525f3384a22e4850a70aa4a23487962d7b27965c0c3a770f46b9e8af4ef2613cc15fc4077111d4aaac9dc834d0484798aa33c545af9

  • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

    Filesize

    478KB

    MD5

    aca7c167ac0b287aaf64c7a0e90b55ea

    SHA1

    5e79edea9c86fe70af0e337f05fb2a221b238294

    SHA256

    adcd795e674078d9209b99d472cb4930c17d650a7606fcd490950a699c69751f

    SHA512

    f6e9d12d5043d8e1eae307dbe2bb1486d17be4b34fed500b2b4199d8fd644d7b66b5cc354ddd3d63fc0c1b6250e972a0fd514ce14604668a4f46a16046bce974

  • C:\Users\Admin\AppData\Local\Temp\$$a3C26.bat

    Filesize

    722B

    MD5

    c2bb18f5d90aaaa5edfeb2f93a050ba1

    SHA1

    5573615f21189a32e9af858232b66a410fed1a11

    SHA256

    f3038a9df9f100736335d4f760b3d1fc6f45c1d69f69ef99ebec2aa1afcd290c

    SHA512

    1271576ccc0dacd66800305043e03518c7b3fa897428de5dbe1ab7ff29c5de6ebdde7602dc160b542e15bf1258c996af987d4c547c61d4ff211313a368bd9364

  • C:\Users\Admin\AppData\Local\Temp\043824e73122c345e4081841e81d64ada72700e8f95549eb4b0ae0a07ee0d8cf.exe.exe

    Filesize

    131KB

    MD5

    16438a96a8adb85472ca72da04701b29

    SHA1

    b1f5ee8bc083804de4de820255107f6541c84735

    SHA256

    9291cd97d2f1b119438f16e97ea75119f19fd959ec5414e84b337530d692e289

    SHA512

    58f659a29cb34245a261b7666b1cda4b76f2df1039f3713dda6ff5a97c33b4cc273b110d10b4131a6a5c13897efcfa9a5ef3031e0e5fb14db1adc0ac1ef25dcd

  • C:\Windows\Logo1_.exe

    Filesize

    33KB

    MD5

    fac489180a927456fde29aa70b6c863c

    SHA1

    b7638615678d7137f7c9a8ab01952fd6266730d0

    SHA256

    e888702980111bdea63056293f56946432701aac652c474a5f8614a137e021d7

    SHA512

    cbe953def68f48b32003143d8980b0443c46373395d31ceab62192cb0d2a97d45428e950f54f03b507b9e39b12770c9701e2b5de6e1fda1ce763a9aede7e6682

  • F:\$RECYCLE.BIN\S-1-5-21-457978338-2990298471-2379561640-1000\_desktop.ini

    Filesize

    9B

    MD5

    5412111268dd2c1fb1cf8697bfab9b6c

    SHA1

    16d0b289e83c74cb50a004edd7c5750ac706f321

    SHA256

    f3aa35be7048ddbf11fc581e5f9476745d75bcf097e121ba2915614e360a0cdc

    SHA512

    13fc5bf11faaf5471fde8a1bafdcc6d27521bad796e5e532c94d9c8232dd70088e70b6d5ac60c4c15d13e59926ac38e9a9e01b4dd4694a77d70bdd1ae7005ccf

  • memory/1260-31-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

    Filesize

    4KB

  • memory/2604-946-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2604-34-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2604-19-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2604-3352-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2604-7575-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2604-9330-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2612-25-0x0000000000170000-0x0000000000171000-memory.dmp

    Filesize

    4KB

  • memory/2612-36-0x0000000000170000-0x0000000000171000-memory.dmp

    Filesize

    4KB

  • memory/2728-0-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2728-17-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2728-15-0x00000000003C0000-0x00000000003FF000-memory.dmp

    Filesize

    252KB