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Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2024, 06:21

General

  • Target

    83a7d67281eb45851a02743bf1f8b3a2c3846f783c3607862d324b173281c495.exe

  • Size

    251KB

  • MD5

    59086294a275f8ad0928bca367937158

  • SHA1

    969cb1754a300380cada3e38d93277f01bffa4bf

  • SHA256

    83a7d67281eb45851a02743bf1f8b3a2c3846f783c3607862d324b173281c495

  • SHA512

    0086fa7291bba356c850e3e96aa20eb22582163f2316241c1f8006711f68eb63cf2ab087605fa097634ef2ec33b44bab91080d66008de2c30ac0bcc61c8021e8

  • SSDEEP

    6144:A+aX3LxQZbO5JCSZT0wwla4G13CmdxLzI9LTB5xnmT:A+aUbuJcfcXbz0Tfxo

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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 WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:1220
    • C:\Users\Admin\AppData\Local\Temp\83a7d67281eb45851a02743bf1f8b3a2c3846f783c3607862d324b173281c495.exe
      "C:\Users\Admin\AppData\Local\Temp\83a7d67281eb45851a02743bf1f8b3a2c3846f783c3607862d324b173281c495.exe"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2524
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2304
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\$$aB210.bat
        3⤵
        • Deletes itself
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2460
        • C:\Users\Admin\AppData\Local\Temp\83a7d67281eb45851a02743bf1f8b3a2c3846f783c3607862d324b173281c495.exe
          "C:\Users\Admin\AppData\Local\Temp\83a7d67281eb45851a02743bf1f8b3a2c3846f783c3607862d324b173281c495.exe"
          4⤵
          • Executes dropped EXE
          PID:2708
      • 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:3048
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2712
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2844
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2728
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2612

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

    ec71a61715110767626fe1094063291b

    SHA1

    1fd433c484e987ad74fb6dd5026e94eba029f62f

    SHA256

    e737572195b0c4d8df6f1211e324b97191d66ba2b409cfaa2dd07fd5b96a87f4

    SHA512

    61df3880ff6b71b5b2c522678a1ee69011a9387158e3956f6dd8db8e2c76113772fcf2b9979e27ee84d659925d3d44382d9d5da171dcdfb8a3b21c8034297d6f

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

    Filesize

    478KB

    MD5

    f5cd7b35ea5f0009cdb5355dbc356066

    SHA1

    c06af0b31cdebdc4e31d57f448acb174e5be44b7

    SHA256

    472ce6c84e17f672782a003fa17f8d412c85a25675f83d16b1a1fb7bfc085f6d

    SHA512

    89573e495959ad60f4a4079248f3cfb6991b8c700223538a269d7553baaacd6de837f26cfe1a4f6a6c0940b8d758406ae2d9e85f2e5738371c9025ea699a7d28

  • C:\Users\Admin\AppData\Local\Temp\$$aB210.bat

    Filesize

    722B

    MD5

    130ee510b4798d3c3ceafcb7d3ec9bde

    SHA1

    f199f1dc4482795c645281c868122a826c72366a

    SHA256

    3fe529832facca3cbe00d867ee82f35f9ae516527a45f06d252ccb6797f07bb8

    SHA512

    15eff9a394ec207aed3bfa5d81779a289f7f456cca2af4ae4755225ff2e23f857c7ffdc9db85f210d8c9195b4624554467447bfd7201b6c351e56912513a37c0

  • C:\Users\Admin\AppData\Local\Temp\83a7d67281eb45851a02743bf1f8b3a2c3846f783c3607862d324b173281c495.exe

    Filesize

    218KB

    MD5

    5f1707646575d375c50155832477a437

    SHA1

    9bcba378189c2f1cb00f82c0539e0e9b8ff0b6c1

    SHA256

    75d348a3330bc527b2b2ff8a0789f711bd51461126f8df0c0aa1647e9d976809

    SHA512

    2f55dd13abfeb5af133ac5afb43c90fd10618e8fb241f50529241cff7987fff382cf151146855c37ad8ae0401b34f6d9aa32cbec03cdd67a224dfe247bad6c99

  • C:\Windows\Logo1_.exe

    Filesize

    33KB

    MD5

    c4ec2631f0913b349423b6d2bd687a6b

    SHA1

    9b9ae1664a063db7e1bd53073f6f1c3a62fa0e55

    SHA256

    cdaed7acb956972ce40a95412620150fcf1428c34a8ddbd0e9f0742df0d885bb

    SHA512

    a8ba683aa3c9d607d7ef9c3ec28a924b23be85a90e5334eb2a9f6edb8117442a818608c44f010b2bdaec052319fcc6436b5628408f4ebb82d207196df1729e86

  • F:\$RECYCLE.BIN\S-1-5-21-2958949473-3205530200-1453100116-1000\_desktop.ini

    Filesize

    8B

    MD5

    4b4a61d6d446a36ccde31e7ebd6e7aeb

    SHA1

    6abcca1983b34a570385eb5b421b92449c851dfc

    SHA256

    d685543d9800644339454e98bc6c2f9ccea646fd51fdb5181583ca60fcdef8e9

    SHA512

    c25ac03153db7beb8b163c82e5ef75e916346047a00202825b79797b6259f877eea6fac6ea333743d7e423d5fc65d713e9e0cafc0631321beab8ae01ede9ee65

  • memory/1220-30-0x0000000002E00000-0x0000000002E01000-memory.dmp

    Filesize

    4KB

  • memory/2372-17-0x00000000002B0000-0x00000000002EF000-memory.dmp

    Filesize

    252KB

  • memory/2372-0-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2372-18-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2372-12-0x00000000002B0000-0x00000000002EF000-memory.dmp

    Filesize

    252KB

  • memory/3048-34-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/3048-20-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/3048-3003-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/3048-4193-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB