Overview

overview

10

Static

static

8

d6fa27a873...d4.exe

windows7-x64

10

d6fa27a873...d4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    172s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 15:57

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General

  • Target

    d6fa27a87367e5b7b60a3d47f5f492456a118fc0896ce470293ce3d28f6ef4d4.exe

  • Size

    284KB

  • MD5

    193405676d996ea5dbb5442293f2a0d6

  • SHA1

    6a38ba3d2c4356b718cae935fc97bd423a3e0d2f

  • SHA256

    d6fa27a87367e5b7b60a3d47f5f492456a118fc0896ce470293ce3d28f6ef4d4

  • SHA512

    33a25f42c2d028a5ce8c53537064e94d569873e65c3b4faa102eed29a0a6bea9cc0e437d7b22a333661e86028b55d9b93c00c3d24003c6615b1878d5bde320f7

  • SSDEEP

    6144:auMJWY+qaHEQCcYfSBYJbQCjRcqESEgm6Anhc1kG6EmRzx:a+YcUc6SBLLTSEgBAnhc1kGsx

Score
10/10
evasionpersistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Modifies Installed Components in the registry 2 TTPs 9 IoCs
    persistence
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 5 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.

  • Modifies registry class 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6fa27a87367e5b7b60a3d47f5f492456a118fc0896ce470293ce3d28f6ef4d4.exe
    "C:\Users\Admin\AppData\Local\Temp\d6fa27a87367e5b7b60a3d47f5f492456a118fc0896ce470293ce3d28f6ef4d4.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
          PID:1532
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\WORD.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:692
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\WORD.exe
          3⤵
            PID:1048
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1496
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x548
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1688
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1160
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1264
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SendNotifyMessage
        PID:1428
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:1300
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        PID:1532
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        PID:1572
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        PID:436
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        PID:1360

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/436-72-0x000007FEF8AC1000-0x000007FEF8AC3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1160-64-0x000007FEFB961000-0x000007FEFB963000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1428-67-0x000007FEF8CE1000-0x000007FEF8CE3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1496-62-0x000007FEFB311000-0x000007FEFB313000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1528-63-0x0000000000400000-0x00000000004A5000-memory.dmp

        Filesize

        660KB

        Download

      • memory/1528-54-0x00000000757B1000-0x00000000757B3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1528-58-0x0000000000400000-0x00000000004A5000-memory.dmp

        Filesize

        660KB

        Download