Analysis

  • max time kernel
    166s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-05-2022 06:14

General

  • Target

    59604cfc9abd7621d66ded13ee63f76f06709846308bbd412f25063d42e4f79a.exe

  • Size

    440KB

  • MD5

    d3937c560d6ccd27e80a5a1749c72561

  • SHA1

    7ae5722e2f823fbb1334e244b34ef5854129fde0

  • SHA256

    59604cfc9abd7621d66ded13ee63f76f06709846308bbd412f25063d42e4f79a

  • SHA512

    76db88a01e16172599a4744fc9c68b84e323395b557d976f10ba7f488522ef39f63fb64a803bfcbac163a3ad67964cc1e6c2e58deb7fc2619de018be2e2cbdf6

Malware Config

Signatures

  • ElysiumStealer

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

  • ElysiumStealer Payload 1 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\59604cfc9abd7621d66ded13ee63f76f06709846308bbd412f25063d42e4f79a.exe
    "C:\Users\Admin\AppData\Local\Temp\59604cfc9abd7621d66ded13ee63f76f06709846308bbd412f25063d42e4f79a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 1704
      2⤵
      • Program crash
      PID:3780
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4652 -ip 4652
    1⤵
      PID:2328

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      40KB

      MD5

      94173de2e35aa8d621fc1c4f54b2a082

      SHA1

      fbb2266ee47f88462560f0370edb329554cd5869

      SHA256

      7e2c70b7732fb1a9a61d7ce3d7290bc7b31ea28cbfb1dbc79d377835615b941f

      SHA512

      cadbf4db0417283a02febbabd337bf17b254a6eb6e771f8a553a140dd2b04efd0672b1f3175c044a3edd0a911ce59d6695f765555262560925f3159bb8f3b798

    • memory/4652-130-0x0000000000800000-0x0000000000874000-memory.dmp
      Filesize

      464KB

    • memory/4652-132-0x0000000005B60000-0x0000000005BC6000-memory.dmp
      Filesize

      408KB

    • memory/4652-133-0x0000000005CD0000-0x0000000005D62000-memory.dmp
      Filesize

      584KB

    • memory/4652-134-0x0000000006320000-0x00000000068C4000-memory.dmp
      Filesize

      5.6MB

    • memory/4652-135-0x0000000006190000-0x00000000061E0000-memory.dmp
      Filesize

      320KB

    • memory/4652-136-0x0000000006280000-0x000000000631C000-memory.dmp
      Filesize

      624KB