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Analysis

  • max time kernel
    49s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 23:21

General

  • Target

    1e030ce9683f9712d341c73b9b2109775a148ad4bfa73226ba4151d06ee9954e.exe

  • Size

    352KB

  • MD5

    91bf955d1d876f2f4131a169823cc525

  • SHA1

    a6fd8a4d369911627ef16825aa5c0b863930c73e

  • SHA256

    1e030ce9683f9712d341c73b9b2109775a148ad4bfa73226ba4151d06ee9954e

  • SHA512

    2625c0b9cba0d60c5a62fd82b90b4026292db10e727ba2d0e8e5771b5dd215ab3627c702e11b5a1b9aa90097e100565f0c437ea00dd0d853d4edb4aec2acd330

  • SSDEEP

    3072:zr8WDrCVrv3XsiZwhXDfN9mvbAQvTkOy+M:Pu5/8iZGz3mF4R+M

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\1e030ce9683f9712d341c73b9b2109775a148ad4bfa73226ba4151d06ee9954e.exe
    "C:\Users\Admin\AppData\Local\Temp\1e030ce9683f9712d341c73b9b2109775a148ad4bfa73226ba4151d06ee9954e.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:1284
    • C:\Users\Admin\AppData\Local\Temp\3582-490\1e030ce9683f9712d341c73b9b2109775a148ad4bfa73226ba4151d06ee9954e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\1e030ce9683f9712d341c73b9b2109775a148ad4bfa73226ba4151d06ee9954e.exe"
      2⤵
      • Executes dropped EXE
      PID:1080

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\1e030ce9683f9712d341c73b9b2109775a148ad4bfa73226ba4151d06ee9954e.exe

    Filesize

    312KB

    MD5

    505b10a473b7314761873eac33516bb1

    SHA1

    0061a8f45bfed245224b9283635561edd1581ec9

    SHA256

    dec056d4e389a1aabb8347b42b8055f505ff75b58d6e1c50340599c759a4966e

    SHA512

    8625592768747f5b9cd70fb2ffa2b0b9d6ae9562f83ae439b094c1b3e99b22431bc7c9a934fb4410eff9779ea90a61cd6f389d54bcc228e7c20568598ec316e6

  • \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\1e030ce9683f9712d341c73b9b2109775a148ad4bfa73226ba4151d06ee9954e.exe

    Filesize

    312KB

    MD5

    505b10a473b7314761873eac33516bb1

    SHA1

    0061a8f45bfed245224b9283635561edd1581ec9

    SHA256

    dec056d4e389a1aabb8347b42b8055f505ff75b58d6e1c50340599c759a4966e

    SHA512

    8625592768747f5b9cd70fb2ffa2b0b9d6ae9562f83ae439b094c1b3e99b22431bc7c9a934fb4410eff9779ea90a61cd6f389d54bcc228e7c20568598ec316e6

  • \Users\Admin\AppData\Local\Temp\3582-490\1e030ce9683f9712d341c73b9b2109775a148ad4bfa73226ba4151d06ee9954e.exe

    Filesize

    312KB

    MD5

    505b10a473b7314761873eac33516bb1

    SHA1

    0061a8f45bfed245224b9283635561edd1581ec9

    SHA256

    dec056d4e389a1aabb8347b42b8055f505ff75b58d6e1c50340599c759a4966e

    SHA512

    8625592768747f5b9cd70fb2ffa2b0b9d6ae9562f83ae439b094c1b3e99b22431bc7c9a934fb4410eff9779ea90a61cd6f389d54bcc228e7c20568598ec316e6

  • memory/1284-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

    Filesize

    8KB