Analysis

  • max time kernel
    185s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 17:58

General

  • Target

    2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe

  • Size

    230KB

  • MD5

    630ba5592e53294429594cc95848cbb0

  • SHA1

    245f6075d4e7f4411abc5319a80999606dc5c0b1

  • SHA256

    2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b

  • SHA512

    80a4517567ad4c28ac7c4591b6997ca9b9efc28975ca9e42b43499f7932de0379f02821b29af54162bdc6cdde9ff1003cb191dbefdaf3ce1def9da7cd067307b

  • SSDEEP

    3072:sr85Cn7Ej5pY4WCmZwmNStxKuHbzsqO30hBe9JZN/avJrx0+/tOQ+:k9n7ElpY4WCJOEhBeDj0JF7

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
    "C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe"
      2⤵
      • Executes dropped EXE
      PID:1304

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe

          Filesize

          189KB

          MD5

          3a417c5bb5d624d54265eeb9c638d4cb

          SHA1

          45c35c9456273948756fe70490e1c0cac8b75723

          SHA256

          2220b8f4d11849b1b9abd5ba634ef7afa8bcfa4d0174d636eec349c080425ab6

          SHA512

          9cd476b6adea02cc101ade405c360f2bfed1f46cf03335d5be4db1c8dc5f6b4e08dd1206e874e46016b950c74e34f7a3a276973698af4e8a62d80d204b2f4790

        • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

          Filesize

          252KB

          MD5

          9e2b9928c89a9d0da1d3e8f4bd96afa7

          SHA1

          ec66cda99f44b62470c6930e5afda061579cde35

          SHA256

          8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

          SHA512

          2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

        • \Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe

          Filesize

          189KB

          MD5

          3a417c5bb5d624d54265eeb9c638d4cb

          SHA1

          45c35c9456273948756fe70490e1c0cac8b75723

          SHA256

          2220b8f4d11849b1b9abd5ba634ef7afa8bcfa4d0174d636eec349c080425ab6

          SHA512

          9cd476b6adea02cc101ade405c360f2bfed1f46cf03335d5be4db1c8dc5f6b4e08dd1206e874e46016b950c74e34f7a3a276973698af4e8a62d80d204b2f4790

        • \Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe

          Filesize

          189KB

          MD5

          3a417c5bb5d624d54265eeb9c638d4cb

          SHA1

          45c35c9456273948756fe70490e1c0cac8b75723

          SHA256

          2220b8f4d11849b1b9abd5ba634ef7afa8bcfa4d0174d636eec349c080425ab6

          SHA512

          9cd476b6adea02cc101ade405c360f2bfed1f46cf03335d5be4db1c8dc5f6b4e08dd1206e874e46016b950c74e34f7a3a276973698af4e8a62d80d204b2f4790

        • memory/1384-54-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

          Filesize

          8KB