Analysis

  • max time kernel
    42s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 21:22

General

  • Target

    98cef65471f42aa6bf548100eded72295a547357c0dbd1d22cc02cc9eb3402f4.exe

  • Size

    230KB

  • MD5

    c433ffd7b11f3871d538dde5ec0bd368

  • SHA1

    9b9fea34a9be4602415abc7dd525f12ce8c2a527

  • SHA256

    98cef65471f42aa6bf548100eded72295a547357c0dbd1d22cc02cc9eb3402f4

  • SHA512

    05bfa210189a18b2cf570b5f319421381ed93d63e54ef3beb11235bbc19aaf748df00e1922db1cc703489fe334f003fc52106ce4eb6627488bc8687c97109d46

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\98cef65471f42aa6bf548100eded72295a547357c0dbd1d22cc02cc9eb3402f4.exe
    "C:\Users\Admin\AppData\Local\Temp\98cef65471f42aa6bf548100eded72295a547357c0dbd1d22cc02cc9eb3402f4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 996
      2⤵
      • Program crash
      PID:1160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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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/1160-58-0x0000000000000000-mapping.dmp

  • memory/1808-54-0x00000000001E0000-0x0000000000220000-memory.dmp

    Filesize

    256KB

  • memory/1808-55-0x0000000000230000-0x000000000023C000-memory.dmp

    Filesize

    48KB

  • memory/1808-57-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

    Filesize

    8KB