Analysis

  • max time kernel
    144s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:41

General

  • Target

    PAUL DETAIL.exe

  • Size

    817KB

  • MD5

    a7340ee7541332a86cd95f782951ebbe

  • SHA1

    d4dc87a386f69898d1a385b19f6b08f881d5bc82

  • SHA256

    19b08a3d82aa6d41ab851f4cadcbe9199cfcf0f931076ea24601675630ac207b

  • SHA512

    71495abe79a0bd3dcb4feb59c1707672bb3a9cd4174401843927101135c74324f4e601badbd110bf0e3dec64a3ea76a0447de7fe1f29d7623afba43260a50eec

  • SSDEEP

    12288:etXKAsTzmv/BSSe3YqLdylsJBqygC6vau:etXyk53eXJ6pygv

Score
10/10

Malware Config

Extracted

Family

darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PAUL DETAIL.exe
    "C:\Users\Admin\AppData\Local\Temp\PAUL DETAIL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\PAUL DETAIL.exe
      "C:\Users\Admin\AppData\Local\Temp\PAUL DETAIL.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1508
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\sideris cyt 3"
      2⤵
        PID:328
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\sideris cyt 3\sideris cyt 3.exe'" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:692
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\sideris cyt 3\sideris cyt 3.exe'" /f
          3⤵
          • Creates scheduled task(s)
          PID:1092
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\PAUL DETAIL.exe" "C:\Users\Admin\AppData\Roaming\sideris cyt 3\sideris cyt 3.exe"
        2⤵
          PID:1792
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {26CF098E-2564-4652-AFCF-316FFAAECD7B} S-1-5-21-3406023954-474543476-3319432036-1000:VUIIVLGQ\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1464
        • C:\Users\Admin\AppData\Roaming\sideris cyt 3\sideris cyt 3.exe
          "C:\Users\Admin\AppData\Roaming\sideris cyt 3\sideris cyt 3.exe"
          2⤵
          • Executes dropped EXE
          PID:1876

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\sideris cyt 3\sideris cyt 3.exe

        Filesize

        817KB

        MD5

        a7340ee7541332a86cd95f782951ebbe

        SHA1

        d4dc87a386f69898d1a385b19f6b08f881d5bc82

        SHA256

        19b08a3d82aa6d41ab851f4cadcbe9199cfcf0f931076ea24601675630ac207b

        SHA512

        71495abe79a0bd3dcb4feb59c1707672bb3a9cd4174401843927101135c74324f4e601badbd110bf0e3dec64a3ea76a0447de7fe1f29d7623afba43260a50eec

      • C:\Users\Admin\AppData\Roaming\sideris cyt 3\sideris cyt 3.exe

        Filesize

        817KB

        MD5

        a7340ee7541332a86cd95f782951ebbe

        SHA1

        d4dc87a386f69898d1a385b19f6b08f881d5bc82

        SHA256

        19b08a3d82aa6d41ab851f4cadcbe9199cfcf0f931076ea24601675630ac207b

        SHA512

        71495abe79a0bd3dcb4feb59c1707672bb3a9cd4174401843927101135c74324f4e601badbd110bf0e3dec64a3ea76a0447de7fe1f29d7623afba43260a50eec

      • memory/328-68-0x0000000000000000-mapping.dmp

      • memory/692-69-0x0000000000000000-mapping.dmp

      • memory/1092-71-0x0000000000000000-mapping.dmp

      • memory/1508-59-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/1508-63-0x000000000040312C-mapping.dmp

      • memory/1508-65-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/1508-62-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/1508-57-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/1508-72-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/1508-56-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

      • memory/1792-70-0x0000000000000000-mapping.dmp

      • memory/1876-74-0x0000000000000000-mapping.dmp

      • memory/1876-76-0x0000000001380000-0x0000000001452000-memory.dmp

        Filesize

        840KB

      • memory/2020-54-0x00000000011A0000-0x0000000001272000-memory.dmp

        Filesize

        840KB

      • memory/2020-55-0x0000000075D61000-0x0000000075D63000-memory.dmp

        Filesize

        8KB