Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2023 14:30

General

  • Target

    1272-3-0x00000000002F0000-0x000000000030C000-memory.exe

  • Size

    112KB

  • MD5

    31cc760510220d939a262d85fee3915c

  • SHA1

    59c87341e8de68a3dcdba605f9db305e855a7b27

  • SHA256

    7e99f943bfc7d4642995880c20f9373c02fb7dda7590a24bf20f674c6f2cff6d

  • SHA512

    0fc9ea343f0c01cc5bab289da6640c56eca6472cb10d608abd6fd8aa25ad73da961d64a02f126114bb7b5cc54a81af046608dcdde5ca19c97804eb7740291aca

  • SSDEEP

    3072:8qygkt4qiQnpVdmxa5TbZtwEKSKe9TV8:JygklndmxccEKy9TV

Malware Config

Signatures

  • Phemedrone

    An information and wallet stealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1272-3-0x00000000002F0000-0x000000000030C000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\1272-3-0x00000000002F0000-0x000000000030C000-memory.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1944 -s 2272
      2⤵
        PID:544
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:2492

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1944-0-0x0000000000810000-0x000000000082C000-memory.dmp

        Filesize

        112KB

      • memory/1944-1-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

        Filesize

        9.9MB

      • memory/1944-2-0x0000000001FA0000-0x0000000002020000-memory.dmp

        Filesize

        512KB

      • memory/1944-3-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

        Filesize

        9.9MB

      • memory/1944-4-0x0000000001FA0000-0x0000000002020000-memory.dmp

        Filesize

        512KB