Analysis

  • max time kernel
    110s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 17:59

General

  • Target

    3d0ad1ac336e0e5dae9508e097e10b8c53e115f110ee61f056ad022307778f90N.exe

  • Size

    2.4MB

  • MD5

    be421ee30d09c5bc82b952bc54dc0b50

  • SHA1

    f0be117bbd25aae332953253bedae494bef1d19e

  • SHA256

    3d0ad1ac336e0e5dae9508e097e10b8c53e115f110ee61f056ad022307778f90

  • SHA512

    b313acd92586f735e26d34b5ba828395c8d73cd93ad5f4ab77b90da32f73f52469f4f61a6e6e09a80844a5bd9cb17e89efe198a0c5c3bb08c3ab55ce2306f0ea

  • SSDEEP

    49152:0tYXi3IycP5PTiwp5wWTtNSJzIchrFwAdezfSliOg0MTqQDJVz9YLO:0tQiXcP5POwEGnwz0zfSSnTqQ1VpYLO

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d0ad1ac336e0e5dae9508e097e10b8c53e115f110ee61f056ad022307778f90N.exe
    "C:\Users\Admin\AppData\Local\Temp\3d0ad1ac336e0e5dae9508e097e10b8c53e115f110ee61f056ad022307778f90N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3d0ad1ac336e0e5dae9508e097e10b8c53e115f110ee61f056ad022307778f90N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3d0ad1ac336e0e5dae9508e097e10b8c53e115f110ee61f056ad022307778f90N.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Enumerates connected drives
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • \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\3d0ad1ac336e0e5dae9508e097e10b8c53e115f110ee61f056ad022307778f90N.exe

    Filesize

    2.4MB

    MD5

    f7437dd17ad1e1a6c1bd30b47e31f05f

    SHA1

    6fbc7c464eb46e7d2b49c422d3f4e05733dfeca4

    SHA256

    f7ea10afb3e713417437700adea572b91e61918a286e437d13538ba444609eeb

    SHA512

    c40be4f87cedb14607f2f2bf9a67491f24b82da8a592c645a997113a7f735e4f6673e06b80d73c74125582c359538eb5f537c56947d10989b9ac581299694a9b

  • memory/2336-88-0x0000000002CF0000-0x0000000003494000-memory.dmp

    Filesize

    7.6MB

  • memory/2336-11-0x0000000002CF0000-0x0000000003494000-memory.dmp

    Filesize

    7.6MB

  • memory/2336-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2336-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2788-91-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-96-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-15-0x00000000009B1000-0x0000000000ADA000-memory.dmp

    Filesize

    1.2MB

  • memory/2788-14-0x0000000077C40000-0x0000000077C42000-memory.dmp

    Filesize

    8KB

  • memory/2788-12-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-94-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-95-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-89-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-97-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-98-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-99-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-100-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-101-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-102-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB

  • memory/2788-103-0x00000000009B0000-0x0000000001154000-memory.dmp

    Filesize

    7.6MB