Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-01-2025 10:18

General

  • Target

    cc385a3f1c12ad1c35a5f3edbc6a3d80999f221ae5de4a4f3a4a55ff9787c8eb.exe

  • Size

    1.0MB

  • MD5

    cb95290af13722bb873410bd3a9b7821

  • SHA1

    50c7aaf694be42839bb2d24671ad0722c872c90f

  • SHA256

    cc385a3f1c12ad1c35a5f3edbc6a3d80999f221ae5de4a4f3a4a55ff9787c8eb

  • SHA512

    15639df878e305fa87f2449c856534c8e83639776499e907d8bfe1f42049d02d7cdbfaebd597198df4f91c68705593639d61ad2c97116c60b5e97a5cbbf4a0eb

  • SSDEEP

    24576:FB4o2pEZkuMIITJUEi4F+vGapKVqfUtOpUSBJw:D4dEZk7IITa4ovYqU

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.

  • Neshta family
  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc385a3f1c12ad1c35a5f3edbc6a3d80999f221ae5de4a4f3a4a55ff9787c8eb.exe
    "C:\Users\Admin\AppData\Local\Temp\cc385a3f1c12ad1c35a5f3edbc6a3d80999f221ae5de4a4f3a4a55ff9787c8eb.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:4000
    • C:\Users\Admin\AppData\Local\Temp\3582-490\cc385a3f1c12ad1c35a5f3edbc6a3d80999f221ae5de4a4f3a4a55ff9787c8eb.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\cc385a3f1c12ad1c35a5f3edbc6a3d80999f221ae5de4a4f3a4a55ff9787c8eb.exe"
      2⤵
      • Executes dropped EXE
      PID:468

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\cc385a3f1c12ad1c35a5f3edbc6a3d80999f221ae5de4a4f3a4a55ff9787c8eb.exe

    Filesize

    1016KB

    MD5

    06c3bf780268caa23274c6371983d633

    SHA1

    925be59ad929c5a31192c7778814f7d9b6e6127e

    SHA256

    af46dd566453a19e34b542441d72e3c8e4acfe546e82856bd2d2d73eeb16fc75

    SHA512

    de98330e36786625349bf9f258fe2aff50883638c2726e282355456b3afd37d03a99cdfb964ba3c63705278de6bb25405ee1ac9fbf414b2a130c2670bd50e8d4

  • memory/468-9-0x00007FF78E5F0000-0x00007FF78E6F5000-memory.dmp

    Filesize

    1.0MB

  • memory/4000-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4000-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4000-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB