Analysis

  • max time kernel
    8s
  • max time network
    12s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 20:48

Errors

Reason
Machine shutdown

General

  • Target

    1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe

  • Size

    712KB

  • MD5

    3c22238343b2bb216958e2ee22aa99ed

  • SHA1

    5ce5c023f5880a315146596c913f544e5448ac5a

  • SHA256

    1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb

  • SHA512

    0d386de1f5ee85784df20d4baa9716c2d543db2be7e7c0bba88fbcb739e76e6c99ef17cfd47ec554563991fba03feeaa53ddac5f774ff55cfb21641e66f9b47b

  • SSDEEP

    12288:NzgMg7v3qnCivErQohh0F42CJ8lny2QlzM25a8:xHMv6CPrj2ny2QtM2Y8

Malware Config

Signatures

  • Detect Neshta payload 2 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 data under HKEY_USERS 15 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
    "C:\Users\Admin\AppData\Local\Temp\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.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:2988
    • C:\Users\Admin\AppData\Local\Temp\3582-490\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3404
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3987055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:1652

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\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe

    Filesize

    672KB

    MD5

    8cd5ff983ede918b6948b4ac8dcf0570

    SHA1

    a321b18de1e56107cceaf4f2d733c092e0b5c457

    SHA256

    bd384881f14acb712cbd77cd62ad00b7da2092b8fab3ea4d1280d160c9b5978e

    SHA512

    eb8f4ee2ec945aece44ffc84203e0229ce20d48ac2e81e4bb7df342fc9de08036f51c2a5b60ca54762dac75e91738fb64909715da0b6dd6b585118337edda64d

  • memory/2988-102-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB