Analysis

  • max time kernel
    123s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 08:26

General

  • Target

    0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1.exe

  • Size

    239KB

  • MD5

    4bc2867068deecc96f2ee482073b5650

  • SHA1

    5741c51ba51354c91234e953f47d7bb67727c9c5

  • SHA256

    0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1

  • SHA512

    cb081c7ce4cc5804c0fc7614d1c61d9dd1ca521b3611cc4bcec1554f41662953e42061a55cc8b3cbffe30c3dc49e55c76621183a4d86a12ef7c75446117a2fc4

  • SSDEEP

    3072:Ybziv5Eh+IHv4TeQjhndqMiGHIy/tcZlfPxSYDv567vo:82vihx5QjJwMTHHlUnFd6T

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1.exe
    "C:\Users\Admin\AppData\Local\Temp\0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\Local\Temp\0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1.exe
      C:\Users\Admin\AppData\Local\Temp\0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1.exe -SafeSys
      2⤵
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\Rundll32.exe
        "C:\Windows\system32\Rundll32.exe" "C:\Program Files (x86)\edpfg.bak",MyDLLEntry
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        PID:1064
    • C:\Program Files (x86)\Common Files\SafeSys.exe
      "C:\Program Files (x86)\Common Files\SafeSys.exe" SafeSys
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:1752
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
      1⤵
        PID:1648

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Common Files\SafeSys.exe

        Filesize

        239KB

        MD5

        4bc2867068deecc96f2ee482073b5650

        SHA1

        5741c51ba51354c91234e953f47d7bb67727c9c5

        SHA256

        0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1

        SHA512

        cb081c7ce4cc5804c0fc7614d1c61d9dd1ca521b3611cc4bcec1554f41662953e42061a55cc8b3cbffe30c3dc49e55c76621183a4d86a12ef7c75446117a2fc4

      • C:\Program Files (x86)\Common Files\SafeSys.exe

        Filesize

        239KB

        MD5

        4bc2867068deecc96f2ee482073b5650

        SHA1

        5741c51ba51354c91234e953f47d7bb67727c9c5

        SHA256

        0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1

        SHA512

        cb081c7ce4cc5804c0fc7614d1c61d9dd1ca521b3611cc4bcec1554f41662953e42061a55cc8b3cbffe30c3dc49e55c76621183a4d86a12ef7c75446117a2fc4

      • C:\Program Files (x86)\edpfg.bak

        Filesize

        11KB

        MD5

        b0446ab2521d6192d2822ae762f449d3

        SHA1

        faf7c23d599a0176769e725de1c4118d4fcf5745

        SHA256

        3a0c35d289e3abc9004905abeac139674ddba348d5ab98ae863f73c194ffa4cc

        SHA512

        34d270eeb518dec27682d21638574e5ba560c746ac45d2d24405c201a3887f36aab273864a361a5681086068dde85c9ae4180b2edd9985ee3b37c07d4a607710

      • \Program Files (x86)\Common Files\SafeSys.exe

        Filesize

        239KB

        MD5

        4bc2867068deecc96f2ee482073b5650

        SHA1

        5741c51ba51354c91234e953f47d7bb67727c9c5

        SHA256

        0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1

        SHA512

        cb081c7ce4cc5804c0fc7614d1c61d9dd1ca521b3611cc4bcec1554f41662953e42061a55cc8b3cbffe30c3dc49e55c76621183a4d86a12ef7c75446117a2fc4

      • \Program Files (x86)\Common Files\SafeSys.exe

        Filesize

        239KB

        MD5

        4bc2867068deecc96f2ee482073b5650

        SHA1

        5741c51ba51354c91234e953f47d7bb67727c9c5

        SHA256

        0a564855ac1df4ff74645e4a266a963a41868d7c49ca644753bf4a1855e7abe1

        SHA512

        cb081c7ce4cc5804c0fc7614d1c61d9dd1ca521b3611cc4bcec1554f41662953e42061a55cc8b3cbffe30c3dc49e55c76621183a4d86a12ef7c75446117a2fc4

      • \Program Files (x86)\edpfg.bak

        Filesize

        11KB

        MD5

        b0446ab2521d6192d2822ae762f449d3

        SHA1

        faf7c23d599a0176769e725de1c4118d4fcf5745

        SHA256

        3a0c35d289e3abc9004905abeac139674ddba348d5ab98ae863f73c194ffa4cc

        SHA512

        34d270eeb518dec27682d21638574e5ba560c746ac45d2d24405c201a3887f36aab273864a361a5681086068dde85c9ae4180b2edd9985ee3b37c07d4a607710

      • memory/916-58-0x0000000000400000-0x000000000043B000-memory.dmp

        Filesize

        236KB

      • memory/1064-64-0x0000000000160000-0x0000000000176000-memory.dmp

        Filesize

        88KB

      • memory/1064-65-0x0000000000160000-0x0000000000176000-memory.dmp

        Filesize

        88KB

      • memory/1076-77-0x0000000000400000-0x000000000043B000-memory.dmp

        Filesize

        236KB

      • memory/1752-75-0x0000000000400000-0x000000000043B000-memory.dmp

        Filesize

        236KB

      • memory/1756-61-0x0000000000350000-0x000000000038B000-memory.dmp

        Filesize

        236KB

      • memory/1756-66-0x0000000000400000-0x000000000043B000-memory.dmp

        Filesize

        236KB

      • memory/1756-54-0x0000000076871000-0x0000000076873000-memory.dmp

        Filesize

        8KB

      • memory/1756-78-0x0000000000400000-0x000000000043B000-memory.dmp

        Filesize

        236KB

      • memory/1756-60-0x0000000000400000-0x000000000043B000-memory.dmp

        Filesize

        236KB