Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2022 11:22

General

  • Target

    0320c36632f89fe7543aea30415cc840201773c8d615a58fc9b777fb2f53a8cb.exe

  • Size

    750KB

  • MD5

    1520e091d32a2cd26e27e463408620e7

  • SHA1

    21dc71f04535bdc55febcd9a9ba07394532f7784

  • SHA256

    0320c36632f89fe7543aea30415cc840201773c8d615a58fc9b777fb2f53a8cb

  • SHA512

    3636aa867f3a6c047d52010d0c5f6fba4025ffd99e3125bc6b418f74b2bf5b502a4f88c99e9bda1377fb3385f692681ca81f2a39f7bcbe9b3087c1b411be2b25

  • SSDEEP

    12288:0plu5q98tbtS/ZykP91MHfB7GvKowxNOMfl33sUKpfcsFmcyou2HlwGBhAA29HHT:2uk9utn0cfNzoMXl33OpfPFmcyouglhc

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
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0320c36632f89fe7543aea30415cc840201773c8d615a58fc9b777fb2f53a8cb.exe
    "C:\Users\Admin\AppData\Local\Temp\0320c36632f89fe7543aea30415cc840201773c8d615a58fc9b777fb2f53a8cb.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0320c36632f89fe7543aea30415cc840201773c8d615a58fc9b777fb2f53a8cb.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0320c36632f89fe7543aea30415cc840201773c8d615a58fc9b777fb2f53a8cb.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\0320c36632f89fe7543aea30415cc840201773c8d615a58fc9b777fb2f53a8cb.exe

    Filesize

    710KB

    MD5

    857775b742b6a44f97929a07bd0bb522

    SHA1

    8a191aff7d5bb624c1a9fc2f610baf0124652afb

    SHA256

    edb603d5f8b9b5d9016c087c647ecf06958455356d60720a76e40296eea4af1e

    SHA512

    aa533ece976aca9d0d2fe5b4dd4fbbc991a0506f3918fbbd37caa32fe5d950ae80c2e50dd7d57813a6f084565a35485831900e615c6688435a4f0c2678fdf343

  • C:\Users\Admin\AppData\Local\Temp\3582-490\0320c36632f89fe7543aea30415cc840201773c8d615a58fc9b777fb2f53a8cb.exe

    Filesize

    710KB

    MD5

    857775b742b6a44f97929a07bd0bb522

    SHA1

    8a191aff7d5bb624c1a9fc2f610baf0124652afb

    SHA256

    edb603d5f8b9b5d9016c087c647ecf06958455356d60720a76e40296eea4af1e

    SHA512

    aa533ece976aca9d0d2fe5b4dd4fbbc991a0506f3918fbbd37caa32fe5d950ae80c2e50dd7d57813a6f084565a35485831900e615c6688435a4f0c2678fdf343

  • memory/5044-132-0x0000000000000000-mapping.dmp

  • memory/5044-135-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/5044-136-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB