Analysis

  • max time kernel
    171s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 02:56

General

  • Target

    a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe

  • Size

    2.4MB

  • MD5

    16f752ca19d3c7a798b4093afed9df1a

  • SHA1

    381e68c9237ef768f7990b70e7f9bc89cb3e27d7

  • SHA256

    a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd

  • SHA512

    2483be1fd35413341fe9b497db6c47b0f9e34ab83b365bb1d755544c330e3457636c077c615cab1de56190efe323b2d911f6322250a8e1359c9fc6547e2bdbdf

  • SSDEEP

    24576:rBWN5DRRrglDngkFX2dKQ0ontRZSp8ebvYioiSeAZtlqZG+8nP+C+FiLlcsseJ+:rkQGKQ23QeS5brTnP+MN+

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 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 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 registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe
    "C:\Users\Admin\AppData\Local\Temp\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.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:1188
    • C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:576
      • C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1168
        • C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe
          "C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe"
          4⤵
          • Executes dropped EXE
          PID:428

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe

    Filesize

    2.3MB

    MD5

    13573d63ac607d9db1d9ff5f8caf16d2

    SHA1

    d3406f412e5b3fc28215656b44218bc03fd7b642

    SHA256

    070f2d3112b1859c0e825ec7147cab10ed5daf7db6ed440abfb9b6b446ec8151

    SHA512

    953ed9f3bad2286145568ee6a34b08199ec30b217e63df26a313dd64ff4ec6c64b3739278b7895e9d3cbaf2a07a45226823bbbb9ee648e50fd9f282b216dd273

  • C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe

    Filesize

    2.3MB

    MD5

    13573d63ac607d9db1d9ff5f8caf16d2

    SHA1

    d3406f412e5b3fc28215656b44218bc03fd7b642

    SHA256

    070f2d3112b1859c0e825ec7147cab10ed5daf7db6ed440abfb9b6b446ec8151

    SHA512

    953ed9f3bad2286145568ee6a34b08199ec30b217e63df26a313dd64ff4ec6c64b3739278b7895e9d3cbaf2a07a45226823bbbb9ee648e50fd9f282b216dd273

  • C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe

    Filesize

    2.3MB

    MD5

    13573d63ac607d9db1d9ff5f8caf16d2

    SHA1

    d3406f412e5b3fc28215656b44218bc03fd7b642

    SHA256

    070f2d3112b1859c0e825ec7147cab10ed5daf7db6ed440abfb9b6b446ec8151

    SHA512

    953ed9f3bad2286145568ee6a34b08199ec30b217e63df26a313dd64ff4ec6c64b3739278b7895e9d3cbaf2a07a45226823bbbb9ee648e50fd9f282b216dd273

  • C:\Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe

    Filesize

    2.3MB

    MD5

    13573d63ac607d9db1d9ff5f8caf16d2

    SHA1

    d3406f412e5b3fc28215656b44218bc03fd7b642

    SHA256

    070f2d3112b1859c0e825ec7147cab10ed5daf7db6ed440abfb9b6b446ec8151

    SHA512

    953ed9f3bad2286145568ee6a34b08199ec30b217e63df26a313dd64ff4ec6c64b3739278b7895e9d3cbaf2a07a45226823bbbb9ee648e50fd9f282b216dd273

  • \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\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe

    Filesize

    2.3MB

    MD5

    13573d63ac607d9db1d9ff5f8caf16d2

    SHA1

    d3406f412e5b3fc28215656b44218bc03fd7b642

    SHA256

    070f2d3112b1859c0e825ec7147cab10ed5daf7db6ed440abfb9b6b446ec8151

    SHA512

    953ed9f3bad2286145568ee6a34b08199ec30b217e63df26a313dd64ff4ec6c64b3739278b7895e9d3cbaf2a07a45226823bbbb9ee648e50fd9f282b216dd273

  • \Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe

    Filesize

    2.3MB

    MD5

    13573d63ac607d9db1d9ff5f8caf16d2

    SHA1

    d3406f412e5b3fc28215656b44218bc03fd7b642

    SHA256

    070f2d3112b1859c0e825ec7147cab10ed5daf7db6ed440abfb9b6b446ec8151

    SHA512

    953ed9f3bad2286145568ee6a34b08199ec30b217e63df26a313dd64ff4ec6c64b3739278b7895e9d3cbaf2a07a45226823bbbb9ee648e50fd9f282b216dd273

  • \Users\Admin\AppData\Local\Temp\3582-490\a6901d34c93e5a29d47d764e238b82038c1964f9ced2e1d7798dee448c5524cd.exe

    Filesize

    2.3MB

    MD5

    13573d63ac607d9db1d9ff5f8caf16d2

    SHA1

    d3406f412e5b3fc28215656b44218bc03fd7b642

    SHA256

    070f2d3112b1859c0e825ec7147cab10ed5daf7db6ed440abfb9b6b446ec8151

    SHA512

    953ed9f3bad2286145568ee6a34b08199ec30b217e63df26a313dd64ff4ec6c64b3739278b7895e9d3cbaf2a07a45226823bbbb9ee648e50fd9f282b216dd273

  • memory/428-83-0x0000000000000000-mapping.dmp

  • memory/576-56-0x0000000000000000-mapping.dmp

  • memory/1168-72-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1168-69-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1168-76-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1168-74-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1168-78-0x0000000000404A38-mapping.dmp

  • memory/1168-80-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1168-81-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1168-66-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1168-61-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1168-62-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1168-64-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1188-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

    Filesize

    8KB