Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2025 22:08

General

  • Target

    3c9144c1dc5149d7899af2ce92c4c89420a99ec8b7ce8057eb55ac29fb03d3a2.exe

  • Size

    130KB

  • MD5

    5a218c5ab04259c86b4f95f12086438c

  • SHA1

    5e99bc08fa4a9e556266ca921014c4c3d9913f9a

  • SHA256

    3c9144c1dc5149d7899af2ce92c4c89420a99ec8b7ce8057eb55ac29fb03d3a2

  • SHA512

    292684b7b2a884baf797a9237bfdcf7c9f6b124302e6c3c99176753d48b7ae426a95c8b997d6fa0615554bf1a2fa3037f11072891329652960cae0a8aedc1d73

  • SSDEEP

    1536:JxqjQ+P04wsmJCMipICdXkNDqLLZX9lItVGL++eIOlnToIfIwF07ftfkS5g9YOmP:sr85C6CRkGbKGLeNTBfIJFfHgTWB

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 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 use of WriteProcessMemory 11 IoCs
  • Views/modifies file attributes 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c9144c1dc5149d7899af2ce92c4c89420a99ec8b7ce8057eb55ac29fb03d3a2.exe
    "C:\Users\Admin\AppData\Local\Temp\3c9144c1dc5149d7899af2ce92c4c89420a99ec8b7ce8057eb55ac29fb03d3a2.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:1124
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3c9144c1dc5149d7899af2ce92c4c89420a99ec8b7ce8057eb55ac29fb03d3a2.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3c9144c1dc5149d7899af2ce92c4c89420a99ec8b7ce8057eb55ac29fb03d3a2.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\system32\cmd.exe
        "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\80D8.tmp\80D9.tmp\80DA.bat C:\Users\Admin\AppData\Local\Temp\3582-490\3c9144c1dc5149d7899af2ce92c4c89420a99ec8b7ce8057eb55ac29fb03d3a2.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3520
        • C:\Windows\system32\attrib.exe
          attrib +h +s /s /d "run.cmd"
          4⤵
          • Views/modifies file attributes
          PID:4264
        • C:\Windows\system32\attrib.exe
          attrib +h +s /s /d "LsExec.exe"
          4⤵
          • Views/modifies file attributes
          PID:5104
        • C:\Windows\system32\attrib.exe
          attrib +h +s /s /d "PrHxec.exe"
          4⤵
          • Views/modifies file attributes
          PID:4212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\3c9144c1dc5149d7899af2ce92c4c89420a99ec8b7ce8057eb55ac29fb03d3a2.exe

    Filesize

    89KB

    MD5

    60e93ebb562e08d1529eb301c516a75b

    SHA1

    eb2ce247557eea74d0fcee7936e382d1423e06f1

    SHA256

    acd3d8a316ee9e5a611bfd247b4d39c4dd26a7d70c397155819eb5b4480212d9

    SHA512

    4b7be053c823a4b097f9177c60955495219efbc48ee8f3f1533cf07fd856c5720e49beccc39dbd7719dcf0203b5ac5589e103faafa90c66c93d7d55eab65cb4e

  • C:\Users\Admin\AppData\Local\Temp\80D8.tmp\80D9.tmp\80DA.bat

    Filesize

    1KB

    MD5

    08ba2ee8d7d0a7e21ebb59e55cb6bad1

    SHA1

    d3ce5ec50459f358ccd238d0b0d8d55ee2dfde92

    SHA256

    64b7cdc2187cc3dc8606c8399d62aed8a01a1eff47351cf99bf527ab6f6477e7

    SHA512

    b45a59716a201a96b88e305d04ad6c24062e02b53f1c5d4eef09683b29c7e079efc52161e52b7031364f5f489ccdb27f59eb24fde0afe1db52c251ce26b6fe7e

  • memory/1124-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1124-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1124-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB