Overview

overview

9

Static

static

ef2b6e8fe6...d1.exe

windows7-x64

9

ef2b6e8fe6...d1.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    132s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2022, 07:30

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General

  • Target

    ef2b6e8fe6af972f9723719a7b747b7f91febe8759c8a3a996783e82707377d1.exe

  • Size

    4.9MB

  • MD5

    681c4f58b5a682d8d7e9c1e3c9e3142d

  • SHA1

    603a368d3746b4db87c8058ee03e53bc354cc5c8

  • SHA256

    ef2b6e8fe6af972f9723719a7b747b7f91febe8759c8a3a996783e82707377d1

  • SHA512

    fe7c35c46160f3ed5f663c776afb824ae26d418e0a90b979345042c05ee4cc76651364fa56a327d1b8bbd8e227d820fe1f2c7b07bba2755fc811b82263979f0c

  • SSDEEP

    49152:ijLuSh3i+FtvkMzT+TIRLhd4HOV5ZNt88QulV03O8yuoCrfEb:+Lu1TIRtUOV5Z0PfEb

Score
7/10
spywarestealer

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

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

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef2b6e8fe6af972f9723719a7b747b7f91febe8759c8a3a996783e82707377d1.exe
    "C:\Users\Admin\AppData\Local\Temp\ef2b6e8fe6af972f9723719a7b747b7f91febe8759c8a3a996783e82707377d1.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete
      2⤵
        PID:228
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:2012
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^open^=KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:4968
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^execute=^KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:2200

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\autorun.inf
            Filesize

            37B

            MD5

            3883f693b2911e7b9cabaf1d89601ebd

            SHA1

            a733bc5b66e5b7beb1ab54ce430ff16cdb935fcb

            SHA256

            747ea7ec54ee0bc9b637867de0c451df65c840f757988f5a3b6e3fe6c73ab1b6

            SHA512

            41fb0555004f392f2c67fd7675d2aea2a7a28a4f51d92237fdaff2d60624c559a5401335887b66f49a721dff669f8f9bd150fde0afe0845eb366309ca1088a98

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\autorun.inf
            Filesize

            65B

            MD5

            fbefa88e6b51c05dd63d97dfdbeb3589

            SHA1

            67e09918d878c6615befab5dc9194439027f268d

            SHA256

            3861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1

            SHA512

            58f8c1a64f2eb21be7b96db335d1ade0ce0878566a8386b3689b650132ca28e14761b20fdfe50f2af9915dff2bdd3a5b07f6f3ed082e4e6998ec5f0cd052f12f

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\autorun.inf
            Filesize

            65B

            MD5

            fbefa88e6b51c05dd63d97dfdbeb3589

            SHA1

            67e09918d878c6615befab5dc9194439027f268d

            SHA256

            3861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1

            SHA512

            58f8c1a64f2eb21be7b96db335d1ade0ce0878566a8386b3689b650132ca28e14761b20fdfe50f2af9915dff2bdd3a5b07f6f3ed082e4e6998ec5f0cd052f12f

            Download Submit

          • memory/4928-132-0x0000000000520000-0x0000000000528000-memory.dmp

            Filesize

            32KB

            Download

          • memory/4928-133-0x0000000005600000-0x0000000005BA4000-memory.dmp

            Filesize

            5.6MB

            Download

          • memory/4928-134-0x0000000004F20000-0x0000000004FB2000-memory.dmp

            Filesize

            584KB

            Download

          • memory/4928-135-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

            Filesize

            40KB

            Download