Analysis

  • max time kernel
    133s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:38

General

  • Target

    32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe

  • Size

    224KB

  • MD5

    f8618ef11432e37cc9954515a98b40c7

  • SHA1

    713d6f84ddaa638bb72b844bd375205e75ffe436

  • SHA256

    32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79

  • SHA512

    3b63bdf903eac5b4e3d6610c978c9201198e33f5e7d7141ac1c657ab4d60a304461ffb0a75d8a147e3dc779d696d8807aa5acd792d8446b869c174fb6a3c5c69

  • SSDEEP

    6144:yNBl76cpETWpZxcsvaSzjsQLSp0Dk7QHmvgKQ:6l76cMKYsvaS4R7xVQ

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\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe
      "C:\Users\Admin\AppData\Local\Temp\32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1344
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:1924
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:864
    • 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

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Windows\system32\consrv.dll

      Filesize

      52KB

      MD5

      6bf2039986af96d98e08824ac6c383fd

      SHA1

      0bb6384656a96943cb427baa92446f987219a02e

      SHA256

      a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f

      SHA512

      fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e

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

      Filesize

      2KB

      MD5

      bc2526a2f30f75f588eb7aa0638512e9

      SHA1

      dd33441682a55706d173762330dc78d3d884d4bb

      SHA256

      00e7f6583bba117dfe857f94b54272f8b12fd3251ab472880950e390a95c0d24

      SHA512

      9ac8ad431a4ee6027a8f8a14676cb61e075223f77f8e73385fb4885db4b38367a9736fddeecc08ea6871926fdf37c648e75bcdd8b282a61d98c5c9b57b8d50de

    • \Windows\System32\consrv.dll

      Filesize

      52KB

      MD5

      6bf2039986af96d98e08824ac6c383fd

      SHA1

      0bb6384656a96943cb427baa92446f987219a02e

      SHA256

      a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f

      SHA512

      fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e

    • memory/332-69-0x00000000009B0000-0x00000000009C1000-memory.dmp

      Filesize

      68KB

    • memory/864-73-0x0000000000430000-0x000000000043B000-memory.dmp

      Filesize

      44KB

    • memory/864-85-0x0000000000860000-0x000000000086B000-memory.dmp

      Filesize

      44KB

    • memory/864-84-0x0000000000860000-0x000000000086B000-memory.dmp

      Filesize

      44KB

    • memory/864-83-0x0000000000420000-0x0000000000428000-memory.dmp

      Filesize

      32KB

    • memory/864-81-0x0000000000430000-0x000000000043B000-memory.dmp

      Filesize

      44KB

    • memory/864-77-0x0000000000430000-0x000000000043B000-memory.dmp

      Filesize

      44KB

    • memory/1188-62-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

      Filesize

      24KB

    • memory/1188-66-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

      Filesize

      24KB

    • memory/1188-58-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

      Filesize

      24KB

    • memory/1344-72-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1344-70-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1344-54-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1344-57-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1344-56-0x0000000000230000-0x000000000026A000-memory.dmp

      Filesize

      232KB

    • memory/1344-55-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1924-71-0x0000000000000000-mapping.dmp