Analysis

  • max time kernel
    92s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 00:01

General

  • Target

    7bce800612fa6ef53884ca094ed043f088af46b7fb12ad333512e932f99f3515.exe

  • Size

    1.3MB

  • MD5

    d0522fa173a05e5fdb9bc8a019037728

  • SHA1

    05d1edd593f31f36dd4bfe426a5a6a7550614dc1

  • SHA256

    7bce800612fa6ef53884ca094ed043f088af46b7fb12ad333512e932f99f3515

  • SHA512

    00dceb8ac5444e77671e1e0f4b89a1219ee057c143212629ea6240b1d3c1afc8414831ab99be60fc65fb105bbf7fdbe6105fa72a0596505e9d60de88a48838c2

  • SSDEEP

    24576:AnTgED/SrD3jfdV2I+8tir9MeqdOrgDHey:CT/D/SrTxV+1ZMJD+y

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\7bce800612fa6ef53884ca094ed043f088af46b7fb12ad333512e932f99f3515.exe
    "C:\Users\Admin\AppData\Local\Temp\7bce800612fa6ef53884ca094ed043f088af46b7fb12ad333512e932f99f3515.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:3668
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7bce800612fa6ef53884ca094ed043f088af46b7fb12ad333512e932f99f3515.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7bce800612fa6ef53884ca094ed043f088af46b7fb12ad333512e932f99f3515.exe"
      2⤵
      • Executes dropped EXE
      PID:4108

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\7bce800612fa6ef53884ca094ed043f088af46b7fb12ad333512e932f99f3515.exe

    Filesize

    1.3MB

    MD5

    4f59683a0579b3276bd0df3029d02510

    SHA1

    c3b3c20d0e37a27d59d7fb24db0ce25f863b493a

    SHA256

    0e42b5b108738e806d3e692bbc856d98f75c9bfb0de12b11b2f0a457e029ad46

    SHA512

    7566acbad3c702e7585926f0ae150738bf16577035ed06d2e1e07b4ec4decb76da5ceb96e4117b563fcb57f1cfd97e9f06c68aa6df45d5b0a4f2fb8b1bbddbbb

  • memory/3668-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3668-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3668-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB