Analysis

  • max time kernel
    183s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 01:22

General

  • Target

    f3864ddf9a58596b029eb53dac9459e3d5bd41afa9a1d3f3dc3700b97d93f077.exe

  • Size

    3.1MB

  • MD5

    a682b0e14769e304bb8c3fbe35388d4b

  • SHA1

    ad4c679eff8184a33d3dd9f861653511e1eff404

  • SHA256

    f3864ddf9a58596b029eb53dac9459e3d5bd41afa9a1d3f3dc3700b97d93f077

  • SHA512

    d1f8351aec6b05a8a669f31e10d38d0bcb6d5bff2db1df4f35db4fb115308b2d1c130553732a0484c21de3f537e9f13544174d236b6fd8e83efa8c1850083fc7

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 2 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3864ddf9a58596b029eb53dac9459e3d5bd41afa9a1d3f3dc3700b97d93f077.exe
    "C:\Users\Admin\AppData\Local\Temp\f3864ddf9a58596b029eb53dac9459e3d5bd41afa9a1d3f3dc3700b97d93f077.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:960
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f3864ddf9a58596b029eb53dac9459e3d5bd41afa9a1d3f3dc3700b97d93f077.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f3864ddf9a58596b029eb53dac9459e3d5bd41afa9a1d3f3dc3700b97d93f077.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Users\Admin\AppData\Local\Temp\7zC74C2674\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zC74C2674\setup.exe
        3⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f3864ddf9a58596b029eb53dac9459e3d5bd41afa9a1d3f3dc3700b97d93f077.exe

    Filesize

    3.1MB

    MD5

    818105ab8672979aa12542ebc90c4518

    SHA1

    04d41d3631a82e322b2f75d9e5e120dea8804430

    SHA256

    ce505d272f8d36c5599ac81f005e1d2d586eeaaa778c779ad858e44fdadfdb0d

    SHA512

    034b2972a7a4edd5c9b30bc8b5e2503a42a883ff434aac208e3bb9aa8e3eb8a502867d2ae39b1d58732fa2a22b4d9dbe3c794e07fcf99f59dd2483cf13b38426

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f3864ddf9a58596b029eb53dac9459e3d5bd41afa9a1d3f3dc3700b97d93f077.exe

    Filesize

    3.1MB

    MD5

    818105ab8672979aa12542ebc90c4518

    SHA1

    04d41d3631a82e322b2f75d9e5e120dea8804430

    SHA256

    ce505d272f8d36c5599ac81f005e1d2d586eeaaa778c779ad858e44fdadfdb0d

    SHA512

    034b2972a7a4edd5c9b30bc8b5e2503a42a883ff434aac208e3bb9aa8e3eb8a502867d2ae39b1d58732fa2a22b4d9dbe3c794e07fcf99f59dd2483cf13b38426

  • C:\Users\Admin\AppData\Local\Temp\7zC74C2674\setup.exe

    Filesize

    864KB

    MD5

    72e46b87e9d264512af11a34b1645552

    SHA1

    da21f2103ebad452be5d53166ccce87ac77d6ebd

    SHA256

    809cde49325a1834ac63ba879d1e751f80086d0ac5a5b3b096cf8257ca2e5531

    SHA512

    366fbdb038c0a3f3a78edd20f0a34beef16529fed4b13a2c92c46db624b1eac413a15140ab591721d6c79abd03fd673bde089aeec395995a4d8e206a1755781b

  • C:\Users\Admin\AppData\Local\Temp\7zC74C2674\setup.exe

    Filesize

    864KB

    MD5

    72e46b87e9d264512af11a34b1645552

    SHA1

    da21f2103ebad452be5d53166ccce87ac77d6ebd

    SHA256

    809cde49325a1834ac63ba879d1e751f80086d0ac5a5b3b096cf8257ca2e5531

    SHA512

    366fbdb038c0a3f3a78edd20f0a34beef16529fed4b13a2c92c46db624b1eac413a15140ab591721d6c79abd03fd673bde089aeec395995a4d8e206a1755781b

  • \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\f3864ddf9a58596b029eb53dac9459e3d5bd41afa9a1d3f3dc3700b97d93f077.exe

    Filesize

    3.1MB

    MD5

    818105ab8672979aa12542ebc90c4518

    SHA1

    04d41d3631a82e322b2f75d9e5e120dea8804430

    SHA256

    ce505d272f8d36c5599ac81f005e1d2d586eeaaa778c779ad858e44fdadfdb0d

    SHA512

    034b2972a7a4edd5c9b30bc8b5e2503a42a883ff434aac208e3bb9aa8e3eb8a502867d2ae39b1d58732fa2a22b4d9dbe3c794e07fcf99f59dd2483cf13b38426

  • \Users\Admin\AppData\Local\Temp\7zC74C2674\setup.exe

    Filesize

    864KB

    MD5

    72e46b87e9d264512af11a34b1645552

    SHA1

    da21f2103ebad452be5d53166ccce87ac77d6ebd

    SHA256

    809cde49325a1834ac63ba879d1e751f80086d0ac5a5b3b096cf8257ca2e5531

    SHA512

    366fbdb038c0a3f3a78edd20f0a34beef16529fed4b13a2c92c46db624b1eac413a15140ab591721d6c79abd03fd673bde089aeec395995a4d8e206a1755781b

  • memory/960-54-0x00000000769D1000-0x00000000769D3000-memory.dmp

    Filesize

    8KB

  • memory/1092-61-0x0000000000000000-mapping.dmp

  • memory/1652-56-0x0000000000000000-mapping.dmp