Analysis

  • max time kernel
    28s
  • max time network
    70s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 21:22

General

  • Target

    21d7514ffec0e458d2edb4a864c699a6958b44881d53028c3dd94dd8dc5f31a2.exe

  • Size

    339KB

  • MD5

    3af6c90f7f68a433eeb65af4640a813c

  • SHA1

    0a12045e39a5b6f96a3258e8ee07e7fcf0148896

  • SHA256

    21d7514ffec0e458d2edb4a864c699a6958b44881d53028c3dd94dd8dc5f31a2

  • SHA512

    88aab8c92f6fba49656340d8ea5e17fda85c99d38267c8ff60225cb1abe07c4a40b2dbbc3fe2d377d7885ae14af1f032973d57e42690f2a7f446ab3df5f29245

Malware Config

Signatures

  • ElysiumStealer

    ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

  • ElysiumStealer Payload 2 IoCs
  • ElysiumStealer Support DLL 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21d7514ffec0e458d2edb4a864c699a6958b44881d53028c3dd94dd8dc5f31a2.exe
    "C:\Users\Admin\AppData\Local\Temp\21d7514ffec0e458d2edb4a864c699a6958b44881d53028c3dd94dd8dc5f31a2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 1000
      2⤵
      • Program crash
      PID:388

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\NativePRo.dll

    Filesize

    40KB

    MD5

    94173de2e35aa8d621fc1c4f54b2a082

    SHA1

    fbb2266ee47f88462560f0370edb329554cd5869

    SHA256

    7e2c70b7732fb1a9a61d7ce3d7290bc7b31ea28cbfb1dbc79d377835615b941f

    SHA512

    cadbf4db0417283a02febbabd337bf17b254a6eb6e771f8a553a140dd2b04efd0672b1f3175c044a3edd0a911ce59d6695f765555262560925f3159bb8f3b798

  • memory/388-58-0x0000000000000000-mapping.dmp

  • memory/1088-54-0x00000000008B0000-0x000000000090A000-memory.dmp

    Filesize

    360KB

  • memory/1088-55-0x0000000000480000-0x000000000048C000-memory.dmp

    Filesize

    48KB

  • memory/1088-57-0x00000000752B1000-0x00000000752B3000-memory.dmp

    Filesize

    8KB