Analysis

  • max time kernel
    184s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 18:11

General

  • Target

    6f53fe1be2b69f1b80afc450bab12ea6772fb9a197630d6dfd9916ea37213bbc.exe

  • Size

    129KB

  • MD5

    955c8fb674c1838021274ff527fff6c9

  • SHA1

    9a328b88c42d3ae6953cce47899224b4d34ef76e

  • SHA256

    6f53fe1be2b69f1b80afc450bab12ea6772fb9a197630d6dfd9916ea37213bbc

  • SHA512

    94fc2d80830abce34966b16a37258ba65d83ccf0b6ce1005258d94499702933238d1b62f3d1c0e4dc3ae3e338ae25793fbdcbd1475d7d95989c34d74fb035b9b

  • SSDEEP

    3072:sr85CciI4uwvPLb2QU/47YPefg/iyS/Wbp:k9FowvPH2QYoJdel

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 2 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f53fe1be2b69f1b80afc450bab12ea6772fb9a197630d6dfd9916ea37213bbc.exe
    "C:\Users\Admin\AppData\Local\Temp\6f53fe1be2b69f1b80afc450bab12ea6772fb9a197630d6dfd9916ea37213bbc.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:1868
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6f53fe1be2b69f1b80afc450bab12ea6772fb9a197630d6dfd9916ea37213bbc.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6f53fe1be2b69f1b80afc450bab12ea6772fb9a197630d6dfd9916ea37213bbc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 424
        3⤵
          PID:2044

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3582-490\6f53fe1be2b69f1b80afc450bab12ea6772fb9a197630d6dfd9916ea37213bbc.exe

      Filesize

      89KB

      MD5

      1175a3e22b2e0f821814cba157ff959c

      SHA1

      2d1fa56afddb6e798c7319c4dc31c59de45fc677

      SHA256

      c3ed623572769b4271f6ebb804ceaad903afeee9f68506c7d7bbb08eaf57f7a4

      SHA512

      5584a74a69d441711199e4d379340512ab3049f5ce8b7769810bd7beee6b249b8377ec88785436c36a1d62b428b9445c474fc19ffad4f491411a74e64fdab8f5

    • C:\Users\Admin\AppData\Local\Temp\3582-490\6f53fe1be2b69f1b80afc450bab12ea6772fb9a197630d6dfd9916ea37213bbc.exe

      Filesize

      89KB

      MD5

      1175a3e22b2e0f821814cba157ff959c

      SHA1

      2d1fa56afddb6e798c7319c4dc31c59de45fc677

      SHA256

      c3ed623572769b4271f6ebb804ceaad903afeee9f68506c7d7bbb08eaf57f7a4

      SHA512

      5584a74a69d441711199e4d379340512ab3049f5ce8b7769810bd7beee6b249b8377ec88785436c36a1d62b428b9445c474fc19ffad4f491411a74e64fdab8f5

    • \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\6f53fe1be2b69f1b80afc450bab12ea6772fb9a197630d6dfd9916ea37213bbc.exe

      Filesize

      89KB

      MD5

      1175a3e22b2e0f821814cba157ff959c

      SHA1

      2d1fa56afddb6e798c7319c4dc31c59de45fc677

      SHA256

      c3ed623572769b4271f6ebb804ceaad903afeee9f68506c7d7bbb08eaf57f7a4

      SHA512

      5584a74a69d441711199e4d379340512ab3049f5ce8b7769810bd7beee6b249b8377ec88785436c36a1d62b428b9445c474fc19ffad4f491411a74e64fdab8f5

    • memory/832-56-0x0000000000000000-mapping.dmp

    • memory/832-59-0x000007FEF4150000-0x000007FEF4B73000-memory.dmp

      Filesize

      10.1MB

    • memory/832-60-0x000007FEF2E70000-0x000007FEF3F06000-memory.dmp

      Filesize

      16.6MB

    • memory/1868-54-0x0000000075021000-0x0000000075023000-memory.dmp

      Filesize

      8KB

    • memory/2044-62-0x0000000000000000-mapping.dmp

    • memory/2044-63-0x000007FEFBDE1000-0x000007FEFBDE3000-memory.dmp

      Filesize

      8KB