Analysis

  • max time kernel
    4294182s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    09-03-2022 13:56

General

  • Target

    a6127104ba331a8430306cacf11298af4d754a3c1991e170f38dd742a9f816d2.exe

  • Size

    1.8MB

  • MD5

    07f3f1699ca50451845d7704456f85bd

  • SHA1

    e6f4fb512f3dfe5f53181d9b38f12b75b454dba7

  • SHA256

    a6127104ba331a8430306cacf11298af4d754a3c1991e170f38dd742a9f816d2

  • SHA512

    547feed44c7529de9f22967ee2942a0bcec03faaa75853cb336d7fc8564fd1d77fc7800dcf5a508546819413aca58c8b826857ae02835b9a432d655adbff31e2

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Echelon log file 1 IoCs

    Detects a log file produced by Echelon.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6127104ba331a8430306cacf11298af4d754a3c1991e170f38dd742a9f816d2.exe
    "C:\Users\Admin\AppData\Local\Temp\a6127104ba331a8430306cacf11298af4d754a3c1991e170f38dd742a9f816d2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Users\Admin\AppData\Local\Temp\a6127104ba331a8430306cacf11298af4d754a3c1991e170f38dd742a9f816d2.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 564 -s 1424
        3⤵
        • Program crash
        PID:1340

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/564-67-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/564-71-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/564-74-0x0000000005E70000-0x0000000005E71000-memory.dmp

    Filesize

    4KB

  • memory/564-73-0x0000000076891000-0x0000000076893000-memory.dmp

    Filesize

    8KB

  • memory/564-72-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB

  • memory/564-59-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/564-69-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/564-65-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/564-61-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/564-63-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1708-54-0x0000000000910000-0x0000000000AE0000-memory.dmp

    Filesize

    1.8MB

  • memory/1708-55-0x0000000074AF0000-0x00000000751DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1708-58-0x0000000007E80000-0x0000000007FD2000-memory.dmp

    Filesize

    1.3MB

  • memory/1708-57-0x00000000003D0000-0x00000000003E4000-memory.dmp

    Filesize

    80KB

  • memory/1708-56-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB