Analysis

  • max time kernel
    114s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2022, 21:17

General

  • Target

    6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe

  • Size

    211KB

  • MD5

    66ba8fa11909bf72550c1565722150f0

  • SHA1

    4f12004410ee57c4a8c7f53a30f44d09afc61c75

  • SHA256

    6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a

  • SHA512

    6ef0a7974c281104c006c26e6b87118d899c02cce90d6c4a365c3cc4e6b4069418d521481ccd8465fb20284b3135991fec4e8253cb00473761ab7e7cf269ca80

  • SSDEEP

    3072:sr85CG5uUwV2ri9GVayUiG5S9p2xcr37atd6dBZDgJwN1x9Gmb6kxy5yGp:k94Ti9GVRUi99p2g7aKFTVbDxyku

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\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe
    "C:\Users\Admin\AppData\Local\Temp\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.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:1756
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe"
      2⤵
      • Executes dropped EXE
      PID:1436

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe

          Filesize

          171KB

          MD5

          a2d1f2ffbbdbcfced7a18e17d995af87

          SHA1

          29cff6fbcb15dc588816363ca2f1913101298c75

          SHA256

          641c4b452815631fc53e73f8da431b4735dba64c9b05134241b148d5808d6713

          SHA512

          a8915bc5baa39905f8c5c5e4cb841b0aa3da80dd783993b6800e740a3a4c8a30e7b8760347f4ed2ba08d38fff087443022679ca4cd468787c2c23b7045965859

        • \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\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe

          Filesize

          171KB

          MD5

          a2d1f2ffbbdbcfced7a18e17d995af87

          SHA1

          29cff6fbcb15dc588816363ca2f1913101298c75

          SHA256

          641c4b452815631fc53e73f8da431b4735dba64c9b05134241b148d5808d6713

          SHA512

          a8915bc5baa39905f8c5c5e4cb841b0aa3da80dd783993b6800e740a3a4c8a30e7b8760347f4ed2ba08d38fff087443022679ca4cd468787c2c23b7045965859

        • \Users\Admin\AppData\Local\Temp\3582-490\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe

          Filesize

          171KB

          MD5

          a2d1f2ffbbdbcfced7a18e17d995af87

          SHA1

          29cff6fbcb15dc588816363ca2f1913101298c75

          SHA256

          641c4b452815631fc53e73f8da431b4735dba64c9b05134241b148d5808d6713

          SHA512

          a8915bc5baa39905f8c5c5e4cb841b0aa3da80dd783993b6800e740a3a4c8a30e7b8760347f4ed2ba08d38fff087443022679ca4cd468787c2c23b7045965859

        • memory/1756-54-0x0000000075141000-0x0000000075143000-memory.dmp

          Filesize

          8KB