Analysis

  • max time kernel
    151s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 07:47

General

  • Target

    5135d1b17a6cd39214038cb098e9bab090ece866f75ce7c2839fdcf00f2e74cb.exe

  • Size

    504KB

  • MD5

    6afe941c6ac3443fc98b33d786ba0548

  • SHA1

    4c6d722a95f001a237880d54790616884ebf326a

  • SHA256

    5135d1b17a6cd39214038cb098e9bab090ece866f75ce7c2839fdcf00f2e74cb

  • SHA512

    00637db5804e1d28c8e262277bead5970b2e73ff6fce5ac55287f64c54974734de7df7e3530b59ead6eface557de5020395d13028f8ac676dd87a650f0304d29

  • SSDEEP

    6144:syvhitdjyuhy/uqIVwMpIndxyD0w5GziWmdS1CeoiC2DZnlDRXpm1deeC+wDm8:syod25uBWibpkCeBNNuRC+gm8

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 32 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 use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:332
  • C:\Users\Admin\AppData\Local\Temp\5135d1b17a6cd39214038cb098e9bab090ece866f75ce7c2839fdcf00f2e74cb.exe
    "C:\Users\Admin\AppData\Local\Temp\5135d1b17a6cd39214038cb098e9bab090ece866f75ce7c2839fdcf00f2e74cb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\Y4u5h60580.exe
      Y4u5h60580.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Users\Admin\dutug.exe
        "C:\Users\Admin\dutug.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1452
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del Y4u5h60580.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1620
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:596
    • C:\Users\Admin\zog.exe
      zog.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:644
      • C:\Windows\explorer.exe
        00000084*
        3⤵
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:520
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c del 5135d1b17a6cd39214038cb098e9bab090ece866f75ce7c2839fdcf00f2e74cb.exe
      2⤵
      • Deletes itself
      PID:584
  • C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
    1⤵
      PID:1016

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Y4u5h60580.exe

      Filesize

      156KB

      MD5

      9f8c7135656944d1f44898bcccd861c2

      SHA1

      bad42bc8dad10a21bfdacc596a3815db0b69a175

      SHA256

      a4dfaa76c783983bffea99b8c8a108b32dd469ae51f4277f9381b79d2dcd9bfd

      SHA512

      2f2ed402480fa06ba520e3192b31354dd5bbf2557f85aa69370c54b22fb6a0888ef08240190ec975cc73a4266a45af9ba564b3be7b70dc167d3cd95e523b16d5

    • C:\Users\Admin\Y4u5h60580.exe

      Filesize

      156KB

      MD5

      9f8c7135656944d1f44898bcccd861c2

      SHA1

      bad42bc8dad10a21bfdacc596a3815db0b69a175

      SHA256

      a4dfaa76c783983bffea99b8c8a108b32dd469ae51f4277f9381b79d2dcd9bfd

      SHA512

      2f2ed402480fa06ba520e3192b31354dd5bbf2557f85aa69370c54b22fb6a0888ef08240190ec975cc73a4266a45af9ba564b3be7b70dc167d3cd95e523b16d5

    • C:\Users\Admin\dutug.exe

      Filesize

      156KB

      MD5

      39d3f55b68a0e566552f201868661289

      SHA1

      6829ebad5317937ed78182a058d036d10c195436

      SHA256

      00881e33f5e6cae90e702b4f1cc764036f9d916bc14e4c3c93c86b146f11b8b1

      SHA512

      2f036ee1067a39c4eaf2feaaa666607cb8667c9e33aa243a528c7cba2b55029123f36327ef5d322a58864204b826980aa0b4f465c91c9bf9608a347c9ac6c775

    • C:\Users\Admin\dutug.exe

      Filesize

      156KB

      MD5

      39d3f55b68a0e566552f201868661289

      SHA1

      6829ebad5317937ed78182a058d036d10c195436

      SHA256

      00881e33f5e6cae90e702b4f1cc764036f9d916bc14e4c3c93c86b146f11b8b1

      SHA512

      2f036ee1067a39c4eaf2feaaa666607cb8667c9e33aa243a528c7cba2b55029123f36327ef5d322a58864204b826980aa0b4f465c91c9bf9608a347c9ac6c775

    • C:\Users\Admin\zog.exe

      Filesize

      181KB

      MD5

      139c3fc0dbda75248805ed1a0d41d44a

      SHA1

      2d789ae79753aae0afd544c419029fd6129a1d29

      SHA256

      28da5c2be3b507a8d6c0edc0bbf345c7521d4834c351bd6ab6d2d0778fb24bac

      SHA512

      8d1f286913ee93212104f9032d3ed501d20f85c94e191ff5a0bc6c168d114aad9a8e5d2ee8fd36042a6d3b00c4236c8abe75db5761e2a632f7600969e5f81520

    • C:\Users\Admin\zog.exe

      Filesize

      181KB

      MD5

      139c3fc0dbda75248805ed1a0d41d44a

      SHA1

      2d789ae79753aae0afd544c419029fd6129a1d29

      SHA256

      28da5c2be3b507a8d6c0edc0bbf345c7521d4834c351bd6ab6d2d0778fb24bac

      SHA512

      8d1f286913ee93212104f9032d3ed501d20f85c94e191ff5a0bc6c168d114aad9a8e5d2ee8fd36042a6d3b00c4236c8abe75db5761e2a632f7600969e5f81520

    • C:\Windows\system32\consrv.DLL

      Filesize

      52KB

      MD5

      1812577ddfa736694a8dbad896d329d7

      SHA1

      a6831421aa2c04b93078df35d4bd2eed62985060

      SHA256

      c9173337e91ef6a59658dd60f713517eddd8cb43196dcc970266cbc12c33d5df

      SHA512

      d470c44c8e969b182dae8b2451075b525a9f1fc349737db19966581cb76289b1cac00cf6b7920c53959aaaedabd47385acc6b74dce2cc8f6a54a5ed882901d34

    • \Users\Admin\Y4u5h60580.exe

      Filesize

      156KB

      MD5

      9f8c7135656944d1f44898bcccd861c2

      SHA1

      bad42bc8dad10a21bfdacc596a3815db0b69a175

      SHA256

      a4dfaa76c783983bffea99b8c8a108b32dd469ae51f4277f9381b79d2dcd9bfd

      SHA512

      2f2ed402480fa06ba520e3192b31354dd5bbf2557f85aa69370c54b22fb6a0888ef08240190ec975cc73a4266a45af9ba564b3be7b70dc167d3cd95e523b16d5

    • \Users\Admin\Y4u5h60580.exe

      Filesize

      156KB

      MD5

      9f8c7135656944d1f44898bcccd861c2

      SHA1

      bad42bc8dad10a21bfdacc596a3815db0b69a175

      SHA256

      a4dfaa76c783983bffea99b8c8a108b32dd469ae51f4277f9381b79d2dcd9bfd

      SHA512

      2f2ed402480fa06ba520e3192b31354dd5bbf2557f85aa69370c54b22fb6a0888ef08240190ec975cc73a4266a45af9ba564b3be7b70dc167d3cd95e523b16d5

    • \Users\Admin\dutug.exe

      Filesize

      156KB

      MD5

      39d3f55b68a0e566552f201868661289

      SHA1

      6829ebad5317937ed78182a058d036d10c195436

      SHA256

      00881e33f5e6cae90e702b4f1cc764036f9d916bc14e4c3c93c86b146f11b8b1

      SHA512

      2f036ee1067a39c4eaf2feaaa666607cb8667c9e33aa243a528c7cba2b55029123f36327ef5d322a58864204b826980aa0b4f465c91c9bf9608a347c9ac6c775

    • \Users\Admin\dutug.exe

      Filesize

      156KB

      MD5

      39d3f55b68a0e566552f201868661289

      SHA1

      6829ebad5317937ed78182a058d036d10c195436

      SHA256

      00881e33f5e6cae90e702b4f1cc764036f9d916bc14e4c3c93c86b146f11b8b1

      SHA512

      2f036ee1067a39c4eaf2feaaa666607cb8667c9e33aa243a528c7cba2b55029123f36327ef5d322a58864204b826980aa0b4f465c91c9bf9608a347c9ac6c775

    • \Users\Admin\zog.exe

      Filesize

      181KB

      MD5

      139c3fc0dbda75248805ed1a0d41d44a

      SHA1

      2d789ae79753aae0afd544c419029fd6129a1d29

      SHA256

      28da5c2be3b507a8d6c0edc0bbf345c7521d4834c351bd6ab6d2d0778fb24bac

      SHA512

      8d1f286913ee93212104f9032d3ed501d20f85c94e191ff5a0bc6c168d114aad9a8e5d2ee8fd36042a6d3b00c4236c8abe75db5761e2a632f7600969e5f81520

    • \Users\Admin\zog.exe

      Filesize

      181KB

      MD5

      139c3fc0dbda75248805ed1a0d41d44a

      SHA1

      2d789ae79753aae0afd544c419029fd6129a1d29

      SHA256

      28da5c2be3b507a8d6c0edc0bbf345c7521d4834c351bd6ab6d2d0778fb24bac

      SHA512

      8d1f286913ee93212104f9032d3ed501d20f85c94e191ff5a0bc6c168d114aad9a8e5d2ee8fd36042a6d3b00c4236c8abe75db5761e2a632f7600969e5f81520

    • \Windows\System32\consrv.dll

      Filesize

      52KB

      MD5

      1812577ddfa736694a8dbad896d329d7

      SHA1

      a6831421aa2c04b93078df35d4bd2eed62985060

      SHA256

      c9173337e91ef6a59658dd60f713517eddd8cb43196dcc970266cbc12c33d5df

      SHA512

      d470c44c8e969b182dae8b2451075b525a9f1fc349737db19966581cb76289b1cac00cf6b7920c53959aaaedabd47385acc6b74dce2cc8f6a54a5ed882901d34

    • memory/332-88-0x0000000000820000-0x0000000000832000-memory.dmp

      Filesize

      72KB

    • memory/520-70-0x0000000000000000-mapping.dmp

    • memory/520-72-0x00000000003F0000-0x0000000000409000-memory.dmp

      Filesize

      100KB

    • memory/520-78-0x00000000003F0000-0x0000000000409000-memory.dmp

      Filesize

      100KB

    • memory/520-83-0x00000000003F0000-0x0000000000409000-memory.dmp

      Filesize

      100KB

    • memory/520-84-0x0000000000060000-0x0000000000075000-memory.dmp

      Filesize

      84KB

    • memory/584-67-0x0000000000000000-mapping.dmp

    • memory/596-97-0x0000000000000000-mapping.dmp

    • memory/644-62-0x0000000000000000-mapping.dmp

    • memory/644-73-0x0000000000350000-0x00000000003AE000-memory.dmp

      Filesize

      376KB

    • memory/644-71-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/644-68-0x0000000000350000-0x00000000003AE000-memory.dmp

      Filesize

      376KB

    • memory/988-57-0x0000000000000000-mapping.dmp

    • memory/1452-91-0x0000000000000000-mapping.dmp

    • memory/1620-96-0x0000000000000000-mapping.dmp

    • memory/1696-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

      Filesize

      8KB