Analysis

  • max time kernel
    139s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13-04-2021 13:39

General

  • Target

    Swift.exe

  • Size

    838KB

  • MD5

    4832512b0139507f1a4d1a9bcb9858ee

  • SHA1

    386eac6f001a27066eb01bc5dd89930572b72a95

  • SHA256

    b59b27b89189fc7fd98bc8f8a70d7d500907439cba4303c1eb812532fa2bc96f

  • SHA512

    41bc5d6d1debd31c438f92c3acd656ccc5355dbe887cde06b4cb5d6f1a203cb1444757d587eafbcb49e417578f588a8724f38427859c7a63cc31be8cf08fc99b

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\secinit.exe
      C:\Windows\System32\secinit.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 180
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1148
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\stt.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Public\PXOR.bat
        3⤵
          PID:944
          • C:\Windows \System32\Netplwiz.exe
            "C:\Windows \System32\Netplwiz.exe"
            4⤵
            • Executes dropped EXE
            PID:544
          • C:\Windows \System32\Netplwiz.exe
            "C:\Windows \System32\Netplwiz.exe"
            4⤵
            • Executes dropped EXE
            PID:1348

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\NETUTILS.dll
      MD5

      39507d772c63ca496a25a14a8b5d14b2

      SHA1

      5b603f5c11eb9ab4313694315b4d4894ff4641d4

      SHA256

      36d1fa474cd8271f9b74b9481025614b6ff309f767f69d9f1ff3960c7205ad12

      SHA512

      0c740fd7b6d67d9938b0d8e1ea7d6c41910dd6d0b85b4ec8b6015ff8c0c73798dee01f01da0b5b0c07038663aca7945faca0e2b5afc1cb751aaba7567d332f5f

    • C:\Users\Public\Netplwiz.exe
      MD5

      f94b7fb6dac49844d03c7087b2d8b472

      SHA1

      0e84139fced0ee8ef929d0bd5f01559a7dcf1db0

      SHA256

      46e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4

      SHA512

      d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80

    • C:\Users\Public\PXOR.bat
      MD5

      0d8aef656413642f55e0902cc5df5e6f

      SHA1

      73ec56d08bd9b3c45d55c97bd1c1286b77c8ff49

      SHA256

      670f94b92f45bc2f3f44a80c7f3021f874aa16fde38ed7d7f3ebed13ae09fa11

      SHA512

      efe690b1bcf06e16be469622b45c98b5dc1f1e06410cbf7e7dccb2975524c4d6bc7e23de9a129d50d73cd924f02e23f925555894f2c7da1064dcc57151f50876

    • C:\Users\Public\stt.bat
      MD5

      8a850253c31df9a7e1c00c80df2630d5

      SHA1

      e3da74081b027a3b591488b28da22742bcfe8495

      SHA256

      8fdeba3ec903bde700342083d16f72452366aa0b1b30d0e58dee0af74cebfa35

      SHA512

      30510bdc34680a0865a0811d9be29dec91c74717feccd58c9b4d88e77be9e5d13a539806a1b2901aff595b2fe2cc45926b69ed42e899d2dd2913c78a732e84d1

    • C:\Windows \System32\Netplwiz.exe
      MD5

      f94b7fb6dac49844d03c7087b2d8b472

      SHA1

      0e84139fced0ee8ef929d0bd5f01559a7dcf1db0

      SHA256

      46e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4

      SHA512

      d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80

    • C:\Windows \System32\Netplwiz.exe
      MD5

      f94b7fb6dac49844d03c7087b2d8b472

      SHA1

      0e84139fced0ee8ef929d0bd5f01559a7dcf1db0

      SHA256

      46e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4

      SHA512

      d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80

    • memory/916-67-0x0000000000000000-mapping.dmp
    • memory/944-82-0x0000000002320000-0x0000000002321000-memory.dmp
      Filesize

      4KB

    • memory/944-70-0x0000000000000000-mapping.dmp
    • memory/1148-83-0x0000000000610000-0x0000000000611000-memory.dmp
      Filesize

      4KB

    • memory/1148-68-0x0000000000000000-mapping.dmp
    • memory/1468-80-0x00000000001B0000-0x00000000001B1000-memory.dmp
      Filesize

      4KB

    • memory/1468-81-0x0000000010670000-0x00000000107C6000-memory.dmp
      Filesize

      1.3MB

    • memory/1468-78-0x0000000000100000-0x0000000000101000-memory.dmp
      Filesize

      4KB

    • memory/1468-77-0x00000000000C0000-0x00000000000C1000-memory.dmp
      Filesize

      4KB

    • memory/1468-65-0x0000000000000000-mapping.dmp
    • memory/1748-59-0x00000000001C0000-0x00000000001C1000-memory.dmp
      Filesize

      4KB

    • memory/1748-61-0x00000000031E0000-0x00000000031FA000-memory.dmp
      Filesize

      104KB

    • memory/1748-64-0x00000000757E1000-0x00000000757E3000-memory.dmp
      Filesize

      8KB