Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2022 21:37

General

  • Target

    file.exe

  • Size

    2.4MB

  • MD5

    188a93699195c143a991f84c5a036ba0

  • SHA1

    38b5afd259195428a1d2fb714d6ad33090d2d111

  • SHA256

    a00f24ba8860d758a625918bcf4c863ffa867aff15f8f814b4826ee67254656f

  • SHA512

    cfaffb26b838bb8b9416eff5f3b3bf6f737687a7620186345e356d5fdca3bf5db568f464fba79ffe3fc3a0304d6a92df86b85d6bd42aeaa7cc5575f982d1bb78

  • SSDEEP

    24576:4aAtBN3NNoM0JYhYvIF2X0MO2ls0dG1Hrj53I+TS1/a4jLOxJ79WSS1l3RuQ5533:4aAPpNNoMZXIOS1/a4jY/il3z

Score
10/10

Malware Config

Extracted

Family

erbium

C2

77.73.133.53

Signatures

  • Erbium

    Erbium is an infostealer written in C++ and first seen in July 2022.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:98392

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/98392-54-0x0000000000080000-0x0000000000085000-memory.dmp

      Filesize

      20KB

    • memory/98392-56-0x0000000000080000-0x0000000000085000-memory.dmp

      Filesize

      20KB

    • memory/98392-62-0x00000000000816F0-mapping.dmp

    • memory/98392-63-0x0000000000080000-0x0000000000085000-memory.dmp

      Filesize

      20KB