Analysis

  • max time kernel
    157s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 11:22

General

  • Target

    13526ea15b7bb2676ba4f26b1333851f9a6a0d2fdfff5f2676969ea0a0c2af2b.exe

  • Size

    88KB

  • MD5

    3127d97b08b43f6d91b2aeb20d8525b6

  • SHA1

    0e355280acba05c76f6d871ebd97ce46791d4b72

  • SHA256

    13526ea15b7bb2676ba4f26b1333851f9a6a0d2fdfff5f2676969ea0a0c2af2b

  • SHA512

    3882a7491587d2ce014b5c6d24cdb7f88e945c1698305635c5d85d667f5dbbea91b1f9d0b70e28acb6dc77174315fb1dd40ffb575ce89606b4b3a97688a9da45

  • SSDEEP

    1536:yxqjQ+P04wsZLnDrCdI6bySvH2b0227CXrvqftUn:zr8WDrCdDb+riftUn

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
  • 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 registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13526ea15b7bb2676ba4f26b1333851f9a6a0d2fdfff5f2676969ea0a0c2af2b.exe
    "C:\Users\Admin\AppData\Local\Temp\13526ea15b7bb2676ba4f26b1333851f9a6a0d2fdfff5f2676969ea0a0c2af2b.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:2204
    • C:\Users\Admin\AppData\Local\Temp\3582-490\13526ea15b7bb2676ba4f26b1333851f9a6a0d2fdfff5f2676969ea0a0c2af2b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\13526ea15b7bb2676ba4f26b1333851f9a6a0d2fdfff5f2676969ea0a0c2af2b.exe"
      2⤵
      • Executes dropped EXE
      PID:4364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\13526ea15b7bb2676ba4f26b1333851f9a6a0d2fdfff5f2676969ea0a0c2af2b.exe

    Filesize

    48KB

    MD5

    578cc14a972ebe6b1fae1a19af1d3ae8

    SHA1

    74752d2bfaa363dfc3deeacd677f718e448a003d

    SHA256

    f2176aa6a1f31db5c29c1ab36adfe732051739c2895793b0a87b350ce059ffbe

    SHA512

    e25cc18f0a993cc835ada59214ca2a3d21051129f15f08f4c7baf98d9210ffad35f062cdff3d5f8dd59bb5d9ae77e5948eaf52b830df3af75587810505c3b83b

  • C:\Users\Admin\AppData\Local\Temp\3582-490\13526ea15b7bb2676ba4f26b1333851f9a6a0d2fdfff5f2676969ea0a0c2af2b.exe

    Filesize

    48KB

    MD5

    578cc14a972ebe6b1fae1a19af1d3ae8

    SHA1

    74752d2bfaa363dfc3deeacd677f718e448a003d

    SHA256

    f2176aa6a1f31db5c29c1ab36adfe732051739c2895793b0a87b350ce059ffbe

    SHA512

    e25cc18f0a993cc835ada59214ca2a3d21051129f15f08f4c7baf98d9210ffad35f062cdff3d5f8dd59bb5d9ae77e5948eaf52b830df3af75587810505c3b83b

  • memory/4364-132-0x0000000000000000-mapping.dmp