Analysis

  • max time kernel
    117s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    13-04-2022 09:03

General

  • Target

    b2b72c149d9e72361f53a7898e6b5cb6.exe

  • Size

    352KB

  • MD5

    b2b72c149d9e72361f53a7898e6b5cb6

  • SHA1

    3d0c200e021f31b0b13ce7b963f15d287632db3c

  • SHA256

    b9ed888894700e427112bcedac32494b0ce660dbdc140f7bd120c68ba4f7248d

  • SHA512

    b25131895334c44ed3421902267b7311a1380fdb741bea3f4e5e425227e2acdd3d754a9d26bfb8faa498c86939f6d91c92f37547712a945bb09f09fb7dc34a39

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2b72c149d9e72361f53a7898e6b5cb6.exe
    "C:\Users\Admin\AppData\Local\Temp\b2b72c149d9e72361f53a7898e6b5cb6.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 924
      2⤵
      • Program crash
      PID:3724
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1848 -ip 1848
    1⤵
      PID:3000

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1848-134-0x00000000004EE000-0x0000000000518000-memory.dmp

      Filesize

      168KB

    • memory/1848-136-0x00000000021D0000-0x0000000002207000-memory.dmp

      Filesize

      220KB

    • memory/1848-135-0x00000000004EE000-0x0000000000518000-memory.dmp

      Filesize

      168KB

    • memory/1848-137-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1848-138-0x0000000004D00000-0x00000000052A4000-memory.dmp

      Filesize

      5.6MB

    • memory/1848-139-0x00000000052B0000-0x00000000058C8000-memory.dmp

      Filesize

      6.1MB

    • memory/1848-140-0x0000000004C20000-0x0000000004C32000-memory.dmp

      Filesize

      72KB

    • memory/1848-141-0x00000000058D0000-0x00000000059DA000-memory.dmp

      Filesize

      1.0MB

    • memory/1848-142-0x0000000004CF4000-0x0000000004CF6000-memory.dmp

      Filesize

      8KB

    • memory/1848-143-0x00000000059E0000-0x0000000005A1C000-memory.dmp

      Filesize

      240KB

    • memory/1848-144-0x0000000005C50000-0x0000000005CE2000-memory.dmp

      Filesize

      584KB

    • memory/1848-145-0x0000000005CF0000-0x0000000005D66000-memory.dmp

      Filesize

      472KB

    • memory/1848-146-0x0000000005EF0000-0x0000000005F0E000-memory.dmp

      Filesize

      120KB

    • memory/1848-147-0x0000000005F70000-0x0000000005FD6000-memory.dmp

      Filesize

      408KB

    • memory/1848-148-0x0000000006690000-0x0000000006852000-memory.dmp

      Filesize

      1.8MB

    • memory/1848-149-0x0000000006870000-0x0000000006D9C000-memory.dmp

      Filesize

      5.2MB