Analysis

  • max time kernel
    41s
  • max time network
    68s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    24/07/2021, 06:56

General

  • Target
    ED330FF9FFEB5C0935FDDD855FB4CBC0.exe
  • Size 496KB
  • Sample210724-g8sawbl3de
  • SHA256 2eee0fe004e7d90317053ea8f10fddcc0dc4c7ab9e17ab50b96a6ea167eb855e
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Downloads MZ/PE file
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ED330FF9FFEB5C0935FDDD855FB4CBC0.exe
    "C:\Users\Admin\AppData\Local\Temp\ED330FF9FFEB5C0935FDDD855FB4CBC0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\ED330FF9FFEB5C0935FDDD855FB4CBC0.exe
      C:\Users\Admin\AppData\Local\Temp\ED330FF9FFEB5C0935FDDD855FB4CBC0.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:644
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\ED330FF9FFEB5C0935FDDD855FB4CBC0.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1084
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:3040

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/644-122-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/644-120-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/808-114-0x00000000006E0000-0x00000000006E1000-memory.dmp

        memory/808-119-0x0000000004F90000-0x0000000004F91000-memory.dmp

        memory/808-118-0x0000000005080000-0x0000000005081000-memory.dmp

        memory/808-117-0x00000000028F0000-0x000000000290C000-memory.dmp

        memory/808-116-0x0000000004FF0000-0x0000000004FF1000-memory.dmp