Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 08:07

General

  • Target

    3195e0868a8cf9d170dc98a4f0e9d43b42b94d87bb4dc4cddfaa27158c00be1dN.exe

  • Size

    160KB

  • MD5

    f19ae2abc3f9a94cc6984ca8364fdac0

  • SHA1

    02edf3c87adc08047e2df6d4067ef5b29e61e5d4

  • SHA256

    3195e0868a8cf9d170dc98a4f0e9d43b42b94d87bb4dc4cddfaa27158c00be1d

  • SHA512

    10ee09caf9410025ee34f93c9f35a0d505b41fdc1f9ebe9f02ae611fae22e567114c363eeb98d865bcd16f503554ce3fd5956fa55f3934a9046d102ddad0bd59

  • SSDEEP

    3072:sr85CebEXulP+Guu8RVn5IsB8DApWB8DApFE3roM8:k93unGZ8D38DKTM8

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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.

  • 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 1 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3195e0868a8cf9d170dc98a4f0e9d43b42b94d87bb4dc4cddfaa27158c00be1dN.exe
    "C:\Users\Admin\AppData\Local\Temp\3195e0868a8cf9d170dc98a4f0e9d43b42b94d87bb4dc4cddfaa27158c00be1dN.exe"
    1⤵
    • Checks computer location settings
    • 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:2032
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3195e0868a8cf9d170dc98a4f0e9d43b42b94d87bb4dc4cddfaa27158c00be1dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3195e0868a8cf9d170dc98a4f0e9d43b42b94d87bb4dc4cddfaa27158c00be1dN.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 848
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\3195e0868a8cf9d170dc98a4f0e9d43b42b94d87bb4dc4cddfaa27158c00be1dN.exe

    Filesize

    119KB

    MD5

    d8c929a1bf135c42d2e1f417e5c5f29e

    SHA1

    8893a3a6580587c7fb1bcf859e4ade62d66b2636

    SHA256

    1bc7b377d214808f02c94ffe7cf9cc3151ec6a5d37f5d793710284a3ddfa852b

    SHA512

    8749d224aba71ba327cf0029e1ea52a3e7762f105a28bdb16ef5ac265115a84c4a9f61cf229658c0a0f886be235aed4c030a3f05a232ec6a3d48459993e90685

  • memory/540-12-0x00007FF987A15000-0x00007FF987A16000-memory.dmp

    Filesize

    4KB

  • memory/540-13-0x000000001C5A0000-0x000000001CA6E000-memory.dmp

    Filesize

    4.8MB

  • memory/540-14-0x00007FF987760000-0x00007FF988101000-memory.dmp

    Filesize

    9.6MB

  • memory/540-15-0x0000000001EC0000-0x0000000001F5C000-memory.dmp

    Filesize

    624KB

  • memory/540-16-0x000000001BFB0000-0x000000001C056000-memory.dmp

    Filesize

    664KB

  • memory/540-17-0x00007FF987760000-0x00007FF988101000-memory.dmp

    Filesize

    9.6MB

  • memory/540-38-0x00007FF987760000-0x00007FF988101000-memory.dmp

    Filesize

    9.6MB

  • memory/2032-108-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2032-109-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2032-111-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB