Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:24

General

  • Target

    a5c566ea76c973a398fee68ea9dc0edaa27aba7e721d381e1a21cf66fb1b3156.exe

  • Size

    3.1MB

  • MD5

    10b20e46c3cea4e5430150391ed0afe0

  • SHA1

    d64f8ba7201d52582c1bd6dda7f8b33b141f3746

  • SHA256

    a5c566ea76c973a398fee68ea9dc0edaa27aba7e721d381e1a21cf66fb1b3156

  • SHA512

    471fa1e717717a6626800e5dc4c7d9e1290a186dc1ff76c23dcf68ea71e6d6558c9954a909817e5d16315aea6b75a0a65d5e4038ae882a811d2298516a83421a

  • SSDEEP

    49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBsB/bSqz8b6LNXJqI:sxX7QnxrloE5dpUp7bVz8eLFc

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5c566ea76c973a398fee68ea9dc0edaa27aba7e721d381e1a21cf66fb1b3156.exe
    "C:\Users\Admin\AppData\Local\Temp\a5c566ea76c973a398fee68ea9dc0edaa27aba7e721d381e1a21cf66fb1b3156.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locxopti.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locxopti.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2608
    • C:\UserDot50\devbodec.exe
      C:\UserDot50\devbodec.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\LabZYA\dobxec.exe

    Filesize

    1.8MB

    MD5

    94dea82fe4098cb6a43e9160e2b792c7

    SHA1

    3a32f2909eaaff1e90810df6e31450e23083a425

    SHA256

    7923f72f9a6dde83fb7c6a5eddbf7899e38f86064cde480958c94f61dd2e3a89

    SHA512

    7cbccec3b6cd0e259e7432466e4ca91aac7b22aa588ab6faece2e4ff0f77b779bcdb5c6dd70e28dd18f9071a2f08757e045d1edca46ce8e95351b58000a9e494

  • C:\LabZYA\dobxec.exe

    Filesize

    492KB

    MD5

    e1d89a09418de9488fd11649f7db6089

    SHA1

    19e0d91af304c20c456c712eff2b8cbda06becea

    SHA256

    10345aee9159f6cdb4faec035fcb1dd2cb4069bee75797153ed32542955d60a8

    SHA512

    effaf0a33ea3f2016fa2fc4a37435a6955e8b8d3cd19e205d2e7deabcdd1f58c7bb4c500dfe8168ea0af80923c787caa96ccafcd7a9ce7b05479e390850bbb4b

  • C:\UserDot50\devbodec.exe

    Filesize

    3.1MB

    MD5

    5b428bba725cbb481941e88797f66d24

    SHA1

    cb8a57ae902788614b1a64c7c0d3e3b9ab9d034e

    SHA256

    e58e1b3dad98d937d96a2d8aaf1d9bc490c5cfa22cd4fdf55a0af582e5151dbe

    SHA512

    106cc3dba7bba81088f5931e92ee0512da75f5e649a910d79352f42a0a14af528bd5e79343a862dee558ec67ce8fdaf6dd271988600894a8604b78a5de323e40

  • C:\Users\Admin\253086396416_10.0_Admin.ini

    Filesize

    203B

    MD5

    51463e48679e644d53fad14dc361891e

    SHA1

    ed237dc5e324034bcdf0201addda7619c572bc90

    SHA256

    2bd6ccdd752c56b12575cf150e6a7cf413fabea7efb3c53da32851318c2ba853

    SHA512

    9fd2e01b74a367f2a8c126296c7006125a68c093418f2bd0799c477f3ba65bee504dbaa4968b7596addcf5ce4a02fb7efa1436d436a150523a965caf038edb57

  • C:\Users\Admin\253086396416_10.0_Admin.ini

    Filesize

    171B

    MD5

    860e263a3f4e90e7a4a7ec09ab2972ca

    SHA1

    02997e030185c66058eabd95398bdd7ef8597797

    SHA256

    32fa9d907cf11d7f10d4b8d667d17a4a6d15cc653cf3b0dc58c202294b3ee8bf

    SHA512

    797eca9e9a1d0c43893ef41c8a311a059d57fcc65185df3fd7c041e997a80021973dd856291f83253310463764c2cad41e9935d43a92256a8f3d00818b5068ea

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locxopti.exe

    Filesize

    3.1MB

    MD5

    5f687397d9f553b9556a95adaef75a15

    SHA1

    348f4889f6d511115bda1680f2ee1b9c47067d7e

    SHA256

    3546322ae681e2540c61b19b539f0c672b5d9c68c10c96e7cb73dee1c5db49f7

    SHA512

    d66fa55b9ee1fbe161e499b36868355970f39b9bd3cfb6e915d33742454c0d54b0567e467f5ed339bad9b00851022a69a5f159beea0cd7902e4fa0fea44e873c