Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 11:16

General

  • Target

    9d5368372dbb10b4d8ce041ff82dcde986a64f3e30eefdd6707dd7d1a781f57c.exe

  • Size

    174KB

  • MD5

    55bc615b4885d265c5fce8a280d844df

  • SHA1

    27b8b209ee9e22e1c2637787f4e36cd103b90076

  • SHA256

    9d5368372dbb10b4d8ce041ff82dcde986a64f3e30eefdd6707dd7d1a781f57c

  • SHA512

    86dcf1beaed06e9af0eba73b47837e46dc560be70fc997d4523a71320abf117e46a9b7886d4464ff6a55ec617ebf71843f5a170b5ee25f9d3dac6d57250c12d5

  • SSDEEP

    3072:CeG0ei5lbgGiyGRYb+T2aja2c1CUzcgDOf8Gb3+m/j2:xGebgSGR/fdc1NzUf8c+

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:872
    • C:\Users\Admin\AppData\Local\Temp\9d5368372dbb10b4d8ce041ff82dcde986a64f3e30eefdd6707dd7d1a781f57c.exe
      "C:\Users\Admin\AppData\Local\Temp\9d5368372dbb10b4d8ce041ff82dcde986a64f3e30eefdd6707dd7d1a781f57c.exe"
      1⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Deletes itself
        PID:2040
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1192

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\system32\consrv.dll

      Filesize

      52KB

      MD5

      6bf2039986af96d98e08824ac6c383fd

      SHA1

      0bb6384656a96943cb427baa92446f987219a02e

      SHA256

      a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f

      SHA512

      fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e

    • \??\globalroot\systemroot\assembly\temp\@

      Filesize

      2KB

      MD5

      ed34ce2cae141ece41fda406dc9e4a22

      SHA1

      114321217070cd71de3803bd74d776f3bda20cec

      SHA256

      111304d1cdff92ab9dbfb2e96e007c543acdb707c829ef473178521956212b7c

      SHA512

      b935d4bd19aa35f87f32270663d9091ec253aae043349121251a091fa46074505607b29b8f39445d311af79f8f24ffaf09c94892729d4f9c2e653873cff6a5ca

    • \Windows\System32\consrv.dll

      Filesize

      52KB

      MD5

      6bf2039986af96d98e08824ac6c383fd

      SHA1

      0bb6384656a96943cb427baa92446f987219a02e

      SHA256

      a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f

      SHA512

      fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e

    • memory/332-70-0x0000000000B00000-0x0000000000B11000-memory.dmp

      Filesize

      68KB

    • memory/872-78-0x00000000008C0000-0x00000000008CB000-memory.dmp

      Filesize

      44KB

    • memory/872-74-0x00000000008C0000-0x00000000008CB000-memory.dmp

      Filesize

      44KB

    • memory/872-86-0x00000000008B0000-0x00000000008B8000-memory.dmp

      Filesize

      32KB

    • memory/872-87-0x00000000008D0000-0x00000000008DB000-memory.dmp

      Filesize

      44KB

    • memory/872-85-0x00000000008D0000-0x00000000008DB000-memory.dmp

      Filesize

      44KB

    • memory/872-84-0x00000000008B0000-0x00000000008B8000-memory.dmp

      Filesize

      32KB

    • memory/872-82-0x00000000008C0000-0x00000000008CB000-memory.dmp

      Filesize

      44KB

    • memory/900-73-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/900-71-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/900-54-0x0000000075C61000-0x0000000075C63000-memory.dmp

      Filesize

      8KB

    • memory/900-56-0x00000000002C0000-0x00000000002F4000-memory.dmp

      Filesize

      208KB

    • memory/900-55-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/900-57-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/900-58-0x00000000002C0000-0x00000000002F4000-memory.dmp

      Filesize

      208KB

    • memory/1192-59-0x0000000002A70000-0x0000000002A76000-memory.dmp

      Filesize

      24KB

    • memory/1192-67-0x0000000002A70000-0x0000000002A76000-memory.dmp

      Filesize

      24KB

    • memory/1192-63-0x0000000002A70000-0x0000000002A76000-memory.dmp

      Filesize

      24KB