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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2023, 23:39

General

  • Target

    571b88e7d9ff156906c491da834352232e1c7175f970570edaf42d41b8dc069c.exe

  • Size

    193KB

  • MD5

    a502d3ba5e0347e0067eb9a4202e32cb

  • SHA1

    ce3b89d70374c31d778e536364890e276b9f06ff

  • SHA256

    571b88e7d9ff156906c491da834352232e1c7175f970570edaf42d41b8dc069c

  • SHA512

    2b2244967de7d0918f82d15cc6839a4b463a8f0c68266a239cf5974aae1c91604fad8063d728ed8237cd03f32bd25c77105e8f873b36790e6df60ed9ea42b962

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Malware Config

Signatures

  • Executes dropped EXE 2 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\571b88e7d9ff156906c491da834352232e1c7175f970570edaf42d41b8dc069c.exe
    "C:\Users\Admin\AppData\Local\Temp\571b88e7d9ff156906c491da834352232e1c7175f970570edaf42d41b8dc069c.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\oojwm.exe "C:\Users\Admin\AppData\Local\Temp\571b88e7d9ff156906c491da834352232e1c7175f970570edaf42d41b8dc069c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3536
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3860
      • C:\Users\Admin\AppData\Local\Temp\oojwm.exe
        C:\Users\Admin\AppData\Local\Temp\\oojwm.exe "C:\Users\Admin\AppData\Local\Temp\571b88e7d9ff156906c491da834352232e1c7175f970570edaf42d41b8dc069c.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4312
        • \??\c:\Program Files\nqyug\owqe.exe
          "c:\Program Files\nqyug\owqe.exe" "c:\Program Files\nqyug\owqej.dll",Compliance C:\Users\Admin\AppData\Local\Temp\oojwm.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\nqyug\owqe.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • C:\Program Files\nqyug\owqej.dll

    Filesize

    141KB

    MD5

    40f1874568fd5a8f7332fbc8ae98228b

    SHA1

    67f265a46535921616251d11d7609a40d31e8c74

    SHA256

    2a66bb0b7c0e0317cf394877e7231c494b17629a6fc3a4d44889ea588d1f3580

    SHA512

    4073aeb4f77b1da26a0c1d7cbfdd41a22ca10abd999eab738f6819727811d481d387bd13bc642aab4710234e17b4a296a1f62c888e0203711471a6f368140ef1

  • C:\Users\Admin\AppData\Local\Temp\oojwm.exe

    Filesize

    194KB

    MD5

    949cf9d29246e99c6795f6fd5be97d7f

    SHA1

    b5999e28a27b1fe9a8bdb47a8735a3835dba2cc9

    SHA256

    fec0af89bd615210cea3edb4e7d55d6a23b49205123921918984dc1dedeb1c90

    SHA512

    786a01cae861485636492462bfaa1098c0795da8260caff114e7ea3f23ba4c4fea78b6a0df8d8372e4ae959d587cf75ccd11cb44bc8419add80a631c339f79fa

  • C:\Users\Admin\AppData\Local\Temp\oojwm.exe

    Filesize

    194KB

    MD5

    949cf9d29246e99c6795f6fd5be97d7f

    SHA1

    b5999e28a27b1fe9a8bdb47a8735a3835dba2cc9

    SHA256

    fec0af89bd615210cea3edb4e7d55d6a23b49205123921918984dc1dedeb1c90

    SHA512

    786a01cae861485636492462bfaa1098c0795da8260caff114e7ea3f23ba4c4fea78b6a0df8d8372e4ae959d587cf75ccd11cb44bc8419add80a631c339f79fa

  • \??\c:\Program Files\nqyug\owqe.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • \??\c:\Program Files\nqyug\owqej.dll

    Filesize

    141KB

    MD5

    40f1874568fd5a8f7332fbc8ae98228b

    SHA1

    67f265a46535921616251d11d7609a40d31e8c74

    SHA256

    2a66bb0b7c0e0317cf394877e7231c494b17629a6fc3a4d44889ea588d1f3580

    SHA512

    4073aeb4f77b1da26a0c1d7cbfdd41a22ca10abd999eab738f6819727811d481d387bd13bc642aab4710234e17b4a296a1f62c888e0203711471a6f368140ef1

  • memory/3712-18-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/3712-19-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/3712-21-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/4312-8-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4312-14-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4312-9-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4344-4-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4344-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4344-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4344-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB