Analysis

  • max time kernel
    46s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 13:42

General

  • Target

    4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe

  • Size

    279KB

  • MD5

    a5edb8b9594a013c8c403843e5c0a704

  • SHA1

    80bf7abdb57f51514a12e45cba2e7b87169ced52

  • SHA256

    4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0

  • SHA512

    d1775635ac10b703473e0712fe1f22e9df23eb07b3b690ee7e519c044e8fd44a086303592c026adc9125d8b225dbfa33ce7ac99575e3f86610520118e101c15b

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 7 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.

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
    "C:\Users\Admin\AppData\Local\Temp\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.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:1904
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:948
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 948 -s 560
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
    Filesize

    238KB

    MD5

    820b6d86626fc9c02fce13b827156444

    SHA1

    0732166f937253095eda1ef3134969dc88b5d74a

    SHA256

    d8d0e6e2136dc4279de69df7efe25f860beaeb8b853b2fe7636f82efb44226ec

    SHA512

    d900bf049992fa14f5944d431e046ba759c38f60fe72e61c8bca3ef1f1545e2166b48ce92679e43dfdb6494ceef3a2b09d877c16736830236b350d6f3ff36340

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
    Filesize

    238KB

    MD5

    820b6d86626fc9c02fce13b827156444

    SHA1

    0732166f937253095eda1ef3134969dc88b5d74a

    SHA256

    d8d0e6e2136dc4279de69df7efe25f860beaeb8b853b2fe7636f82efb44226ec

    SHA512

    d900bf049992fa14f5944d431e046ba759c38f60fe72e61c8bca3ef1f1545e2166b48ce92679e43dfdb6494ceef3a2b09d877c16736830236b350d6f3ff36340

  • \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\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
    Filesize

    238KB

    MD5

    820b6d86626fc9c02fce13b827156444

    SHA1

    0732166f937253095eda1ef3134969dc88b5d74a

    SHA256

    d8d0e6e2136dc4279de69df7efe25f860beaeb8b853b2fe7636f82efb44226ec

    SHA512

    d900bf049992fa14f5944d431e046ba759c38f60fe72e61c8bca3ef1f1545e2166b48ce92679e43dfdb6494ceef3a2b09d877c16736830236b350d6f3ff36340

  • \Users\Admin\AppData\Local\Temp\3582-490\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
    Filesize

    238KB

    MD5

    820b6d86626fc9c02fce13b827156444

    SHA1

    0732166f937253095eda1ef3134969dc88b5d74a

    SHA256

    d8d0e6e2136dc4279de69df7efe25f860beaeb8b853b2fe7636f82efb44226ec

    SHA512

    d900bf049992fa14f5944d431e046ba759c38f60fe72e61c8bca3ef1f1545e2166b48ce92679e43dfdb6494ceef3a2b09d877c16736830236b350d6f3ff36340

  • \Users\Admin\AppData\Local\Temp\3582-490\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
    Filesize

    238KB

    MD5

    820b6d86626fc9c02fce13b827156444

    SHA1

    0732166f937253095eda1ef3134969dc88b5d74a

    SHA256

    d8d0e6e2136dc4279de69df7efe25f860beaeb8b853b2fe7636f82efb44226ec

    SHA512

    d900bf049992fa14f5944d431e046ba759c38f60fe72e61c8bca3ef1f1545e2166b48ce92679e43dfdb6494ceef3a2b09d877c16736830236b350d6f3ff36340

  • \Users\Admin\AppData\Local\Temp\3582-490\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
    Filesize

    238KB

    MD5

    820b6d86626fc9c02fce13b827156444

    SHA1

    0732166f937253095eda1ef3134969dc88b5d74a

    SHA256

    d8d0e6e2136dc4279de69df7efe25f860beaeb8b853b2fe7636f82efb44226ec

    SHA512

    d900bf049992fa14f5944d431e046ba759c38f60fe72e61c8bca3ef1f1545e2166b48ce92679e43dfdb6494ceef3a2b09d877c16736830236b350d6f3ff36340

  • \Users\Admin\AppData\Local\Temp\3582-490\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
    Filesize

    238KB

    MD5

    820b6d86626fc9c02fce13b827156444

    SHA1

    0732166f937253095eda1ef3134969dc88b5d74a

    SHA256

    d8d0e6e2136dc4279de69df7efe25f860beaeb8b853b2fe7636f82efb44226ec

    SHA512

    d900bf049992fa14f5944d431e046ba759c38f60fe72e61c8bca3ef1f1545e2166b48ce92679e43dfdb6494ceef3a2b09d877c16736830236b350d6f3ff36340

  • \Users\Admin\AppData\Local\Temp\3582-490\4710c314cfa46e1afdebae3088c8cd685fe35cce640cd55ae6ea1119ca1af7d0.exe
    Filesize

    238KB

    MD5

    820b6d86626fc9c02fce13b827156444

    SHA1

    0732166f937253095eda1ef3134969dc88b5d74a

    SHA256

    d8d0e6e2136dc4279de69df7efe25f860beaeb8b853b2fe7636f82efb44226ec

    SHA512

    d900bf049992fa14f5944d431e046ba759c38f60fe72e61c8bca3ef1f1545e2166b48ce92679e43dfdb6494ceef3a2b09d877c16736830236b350d6f3ff36340

  • memory/948-59-0x00000000003A0000-0x00000000003E2000-memory.dmp
    Filesize

    264KB

  • memory/948-56-0x0000000000000000-mapping.dmp
  • memory/1480-60-0x0000000000000000-mapping.dmp
  • memory/1904-54-0x00000000763B1000-0x00000000763B3000-memory.dmp
    Filesize

    8KB