Analysis

  • max time kernel
    153s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 18:14

General

  • Target

    caa697dcf338eec92ba2c1bddd242c659650cb161f47c1c239806d171e16ce5d.exe

  • Size

    1.6MB

  • MD5

    2b7823f86268bfb968865907ce46750a

  • SHA1

    e5fdbeed91bc034728ddd79807fd0c5cce10df6b

  • SHA256

    caa697dcf338eec92ba2c1bddd242c659650cb161f47c1c239806d171e16ce5d

  • SHA512

    bcfedf113c2008a1de006043c6dd4d9fd63be71a18bbb5709e73607693083a668e9b9c81c7a93064f054eafa9b4b6add28ff4c35203500feb2afb94c6280a0c5

  • SSDEEP

    24576:72O/GlKfj2BeJbXJAdVutylJJmAdCDD0/ARLPCs8KrM3bD4d7g6zwm4m53Sb23:X9JautylSAdK0/ARLq7bDQ5kFm53Sy3

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 23 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\caa697dcf338eec92ba2c1bddd242c659650cb161f47c1c239806d171e16ce5d.exe
    "C:\Users\Admin\AppData\Local\Temp\caa697dcf338eec92ba2c1bddd242c659650cb161f47c1c239806d171e16ce5d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\d2vkfr8\acrob32.exe
      "C:\Users\Admin\d2vkfr8\acrob32.exe" tolmkgbamw
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:880
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:1984
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
          4⤵
            PID:1372
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderprodkey.txt"
            4⤵
              PID:304
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderskypeview.txt"
              4⤵
                PID:2044

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scripting

        1
        T1064

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Scripting

        1
        T1064

        Modify Registry

        1
        T1112

        Discovery

        System Information Discovery

        2
        T1082

        Collection

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\holderprodkey.txt
          Filesize

          1KB

          MD5

          bbcb59f40810cd9bd91818eab2669972

          SHA1

          fdaf65809febaf21e9808f24562bdb0a909c3292

          SHA256

          c39ccb0a90425d35e361397d79b325e7aa364e82bc09de77f43ea00e77ff8f4b

          SHA512

          04980ef0c2ef7cbb87c4c2f96ad60f8e8e786456d4b4143f118b87a2f1cc072f4fe36e9c74bbed6734971dca01a788a6444e29e41202272a7aef4650d59d81e3

        • C:\Users\Admin\AppData\Local\Temp\holderskypeview.txt
          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • C:\Users\Admin\d2vkfr8\acrob32.exe
          Filesize

          732KB

          MD5

          71d8f6d5dc35517275bc38ebcc815f9f

          SHA1

          cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

          SHA256

          fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

          SHA512

          4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

        • C:\Users\Admin\d2vkfr8\arrgfr.PTT
          Filesize

          84B

          MD5

          05b3d58b2ea16dd9083e3a10787c6563

          SHA1

          1535f36c16d8346cdae641600167272167250db9

          SHA256

          d608f03ca15c996a4dc6ca0c5706acb5b61986ee8c8a7e108967ee6c619dc3ec

          SHA512

          45cf8258804c09e1fceed1546e2a13409aee3bd20f7498278e60080d5048cb9e592c03589306e24e35497ecc21f77c249451b70878e8b260ed8a411737928280

        • C:\Users\Admin\d2vkfr8\sqxp.WCT
          Filesize

          936KB

          MD5

          95562f764e16e1d2445b6449428a1839

          SHA1

          9ce1664ce6206e0c8a78e7de5a759643358cc505

          SHA256

          6b26fedf0364f8fd558f8c60279886529ba298b4f8e6c6a473772900a52e887e

          SHA512

          8fef2425f21bdd5c45b4470336284c53b5a5d0161be6c87906d0b684551c5edf5f7f88eb63e2aa167e5b47dce6c17ecd7354f948222243ca341a515b9bf30a19

        • C:\Users\Admin\d2vkfr8\tolmkgbamw
          Filesize

          306.2MB

          MD5

          07ae1fae147a2737c9c61f4c61efe8be

          SHA1

          626d33ed3de4f3e3d8cee6a93caccdf47e869e1c

          SHA256

          50cd946449317eb4a86d561450dd590247f3508c520391380ea3d4218d88e945

          SHA512

          fce031e74412a341f9c29bd4125e9c8d3460ad57dcd72183294f01c6ea3cf445914f53e6adb62d7a30431855f7228a1f0b0e1ce85c62560c85f131d2284ef479

        • \Users\Admin\d2vkfr8\acrob32.exe
          Filesize

          732KB

          MD5

          71d8f6d5dc35517275bc38ebcc815f9f

          SHA1

          cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

          SHA256

          fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

          SHA512

          4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

        • \Users\Admin\d2vkfr8\acrob32.exe
          Filesize

          732KB

          MD5

          71d8f6d5dc35517275bc38ebcc815f9f

          SHA1

          cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

          SHA256

          fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

          SHA512

          4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

        • \Users\Admin\d2vkfr8\acrob32.exe
          Filesize

          732KB

          MD5

          71d8f6d5dc35517275bc38ebcc815f9f

          SHA1

          cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

          SHA256

          fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

          SHA512

          4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

        • \Users\Admin\d2vkfr8\acrob32.exe
          Filesize

          732KB

          MD5

          71d8f6d5dc35517275bc38ebcc815f9f

          SHA1

          cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

          SHA256

          fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

          SHA512

          4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

        • memory/304-104-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB

        • memory/304-102-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB

        • memory/304-99-0x000000000040BEC0-mapping.dmp
        • memory/304-98-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB

        • memory/880-65-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/880-66-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/880-75-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/880-77-0x00000000743C0000-0x000000007496B000-memory.dmp
          Filesize

          5.7MB

        • memory/880-78-0x00000000743C0000-0x000000007496B000-memory.dmp
          Filesize

          5.7MB

        • memory/880-73-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/880-97-0x0000000000C76000-0x0000000000C87000-memory.dmp
          Filesize

          68KB

        • memory/880-71-0x00000000004EB18E-mapping.dmp
        • memory/880-85-0x0000000000C76000-0x0000000000C87000-memory.dmp
          Filesize

          68KB

        • memory/880-68-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/880-69-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/880-70-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/1176-59-0x0000000000000000-mapping.dmp
        • memory/1248-54-0x0000000075351000-0x0000000075353000-memory.dmp
          Filesize

          8KB

        • memory/1372-92-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/1372-94-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/1372-96-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/1372-89-0x0000000000442F04-mapping.dmp
        • memory/1372-88-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/1984-83-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1984-86-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1984-87-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1984-80-0x0000000000411714-mapping.dmp
        • memory/1984-79-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/2044-106-0x0000000000400000-0x000000000044F000-memory.dmp
          Filesize

          316KB

        • memory/2044-107-0x000000000043BC50-mapping.dmp
        • memory/2044-110-0x0000000000400000-0x000000000044F000-memory.dmp
          Filesize

          316KB

        • memory/2044-113-0x0000000000400000-0x000000000044F000-memory.dmp
          Filesize

          316KB