Analysis

  • max time kernel
    35s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    15-06-2021 11:21

General

  • Target

    Install.exe

  • Size

    1.4MB

  • MD5

    87b6aa9999f339367e81cece5164cc61

  • SHA1

    0f0cc9bae58961ceec44d77c09f7670b6e6dcd32

  • SHA256

    88d9141e63c5e2d05294b43d85ffc2604c3eda3b2cac69149743e3990b547212

  • SHA512

    f776a2f99d1446d010afa38a41d8401064329efa76b95c5f5150e7dc695105a834b286e71df6d349a9164936b4e57def370882e71f076ff1be310580b91b66a9

Malware Config

Signatures

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:328
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1488

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/328-60-0x0000000000000000-mapping.dmp

  • memory/1488-61-0x0000000000000000-mapping.dmp

  • memory/1644-59-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB