Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 08:23

General

  • Target

    da5520ce6c3c17e04dedb52af13069e966f0001454e81127d7148e824eea8c65N.exe

  • Size

    86KB

  • MD5

    e6b44dc1d8e70dbfbd188fcfdb25db30

  • SHA1

    e874e9ffd4e620048bd51e630789e3338ed07b6b

  • SHA256

    da5520ce6c3c17e04dedb52af13069e966f0001454e81127d7148e824eea8c65

  • SHA512

    41e08b6d490359cc24f10a2dc20dc31ec24ea57746c1b003543876bb5ae7a03f5788201c269c6823a38714ab28c9bc9611b2aa0b1842dcf950aaa531c82bb382

  • SSDEEP

    768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJaL7bWvpeUlDmq/oAUSNidddMkQTTWgZ:JxqjQ+P04wsmJCdjaMISqAAUSNWdylD

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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da5520ce6c3c17e04dedb52af13069e966f0001454e81127d7148e824eea8c65N.exe
    "C:\Users\Admin\AppData\Local\Temp\da5520ce6c3c17e04dedb52af13069e966f0001454e81127d7148e824eea8c65N.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:3492
    • C:\Users\Admin\AppData\Local\Temp\3582-490\da5520ce6c3c17e04dedb52af13069e966f0001454e81127d7148e824eea8c65N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\da5520ce6c3c17e04dedb52af13069e966f0001454e81127d7148e824eea8c65N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3992

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\da5520ce6c3c17e04dedb52af13069e966f0001454e81127d7148e824eea8c65N.exe

    Filesize

    45KB

    MD5

    2f2e109e677f1c5f490fd73ff8a589e1

    SHA1

    f0a5c312aed7d157f50e892793a1a79d930579a4

    SHA256

    dd6368feab9a4acb2d4673c7343bd14d6aa11b387a200c470eb12ba9f5bbdf76

    SHA512

    f61becf133cf74fb868976cefa7638986c8f6523efdd53479ea3419721b42f087cad7b7aa22d78b894f0e8479e8eab711bcce5b7fb02b510095de37b9aca8634

  • memory/3492-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3492-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3492-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB