Analysis

  • max time kernel
    159s
  • max time network
    210s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 08:33

General

  • Target

    e01eb5702ed74312018fa8d2421e6cb8aa9eedf6e0032bd9705f3741a0886602.exe

  • Size

    327KB

  • MD5

    eec5f79884c6428a2b0a1c21ef03d985

  • SHA1

    b6de2903e1dda4a2111498bd0cfd47a42ad713fd

  • SHA256

    e01eb5702ed74312018fa8d2421e6cb8aa9eedf6e0032bd9705f3741a0886602

  • SHA512

    a3dd23147dc17d531ca04b587286525217ec39698c519416766e9e7f162ee4c6248965470d064a2f2c727f15cf0897dd067fa5c290d64b13f3eadacb35b97611

  • SSDEEP

    6144:yZXBsWqsE/Ao+mv8Qv0LVmwq4FU0nN876saCQBMI14Aucx6qZuYw3e:0XmwRo+mv8QD4+0N46lCYD4ox6qu3e

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Unexpected DNS network traffic destination 3 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e01eb5702ed74312018fa8d2421e6cb8aa9eedf6e0032bd9705f3741a0886602.exe
    "C:\Users\Admin\AppData\Local\Temp\e01eb5702ed74312018fa8d2421e6cb8aa9eedf6e0032bd9705f3741a0886602.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\Gorn\Gorn\prostoigra.bat" "
      2⤵
      • Drops file in Drivers directory
      PID:1384
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\Gorn\Gorn\neznoesvidanie.vbs"
      2⤵
      • Blocklisted process makes network request
      PID:2172
    • C:\Program Files (x86)\Gorn\Gorn\crypt.exe
      "C:\Program Files (x86)\Gorn\Gorn\crypt.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Program Files (x86)\Gorn\Gorn\crypt.exe
        "C:\Program Files (x86)\Gorn\Gorn\crypt.exe"
        3⤵
        • Executes dropped EXE
        PID:1652
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\Gorn\Gorn\dns_bablo.vbs"
      2⤵
        PID:3140

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Gorn\Gorn\1.txt

      Filesize

      17B

      MD5

      81c14b0fa2b8ae66463f1ceff75af5d8

      SHA1

      21d1040445561ff44c3cacd95214cce1ad1fb2f1

      SHA256

      b70f45bebbe7f01bc43a4079005f1ea98c74ce573f8b26a6d89e66a820453c02

      SHA512

      90ea8d86898f703706f6111ad773a72eabd4a7f8b370a49c42f8ecf757b4de8bce27e272bbc67750a2b4f1887ced59a84e39690e133f0eea1a6b8d8a17e79f51

    • C:\Program Files (x86)\Gorn\Gorn\2.txt

      Filesize

      27B

      MD5

      213c0742081a9007c9093a01760f9f8c

      SHA1

      df53bb518c732df777b5ce19fc7c02dcb2f9d81b

      SHA256

      9681429a2b00c27fe6cb0453f255024813944a7cd460d18797e3c35e81c53d69

      SHA512

      55182c2e353a0027f585535a537b9c309c3bf57f47da54a16e0c415ed6633b725bf40e40a664b1071575feeb7e589d775983516728ec3e51e87a0a29010c4eb9

    • C:\Program Files (x86)\Gorn\Gorn\crypt.exe

      Filesize

      108KB

      MD5

      91349b50e14b443e0a86292ef6d54dff

      SHA1

      f0e8fdb17a0ddd701428b8077a730ebafd079f7a

      SHA256

      f5e5d9d09fb00a01dfab46e09471ea978c16dd20fd464b3f4892cc483d3bdf81

      SHA512

      5483841299149f264befbad88d8fcfbb3f7b8b87b29f68746eb36c46873c7889d37634158452105af2c0cae3912798f1fce556161120925ae0679900d18c8009

    • C:\Program Files (x86)\Gorn\Gorn\crypt.exe

      Filesize

      108KB

      MD5

      91349b50e14b443e0a86292ef6d54dff

      SHA1

      f0e8fdb17a0ddd701428b8077a730ebafd079f7a

      SHA256

      f5e5d9d09fb00a01dfab46e09471ea978c16dd20fd464b3f4892cc483d3bdf81

      SHA512

      5483841299149f264befbad88d8fcfbb3f7b8b87b29f68746eb36c46873c7889d37634158452105af2c0cae3912798f1fce556161120925ae0679900d18c8009

    • C:\Program Files (x86)\Gorn\Gorn\crypt.exe

      Filesize

      108KB

      MD5

      91349b50e14b443e0a86292ef6d54dff

      SHA1

      f0e8fdb17a0ddd701428b8077a730ebafd079f7a

      SHA256

      f5e5d9d09fb00a01dfab46e09471ea978c16dd20fd464b3f4892cc483d3bdf81

      SHA512

      5483841299149f264befbad88d8fcfbb3f7b8b87b29f68746eb36c46873c7889d37634158452105af2c0cae3912798f1fce556161120925ae0679900d18c8009

    • C:\Program Files (x86)\Gorn\Gorn\dns_bablo.vbs

      Filesize

      819B

      MD5

      51aba170aa19f12bb7744f19d4b70bf6

      SHA1

      267a1a94e146c5e344d3cdb880987209cb657775

      SHA256

      e7967af5ad06fbc5b8a7be17f9195bbff9aa6941ded752f424dbbecd53932614

      SHA512

      1b135abec7c0e59b93b9e1faeda19f6740749f7a8d1e98a22b4d445b447c3e7397ba7acb79d7e2c46cf9bd9bc3c6b8bf0c27b4b02928c78d6fb69abe315d8acd

    • C:\Program Files (x86)\Gorn\Gorn\neznoesvidanie.vbs

      Filesize

      290B

      MD5

      87e6836baaacc33acdb40c40e696de75

      SHA1

      d1d70b99c87d08ef846f94ee71d2be15c4d2db68

      SHA256

      dcc55cab258584c0883472fd3f2367513eb8cfc628af1e528dad082524851da6

      SHA512

      e8a09e72a94393a647135760e1a3e0c7e48d0f8b017f2ea16b0aa8160f5fd0c59aa6b41bb70f704c564d7876ffd3264a59c42fae8552cad87d9b3e3fa0f2fb79

    • C:\Program Files (x86)\Gorn\Gorn\prostoigra.bat

      Filesize

      1KB

      MD5

      e7451c35f11a1c10871e96aebd6769db

      SHA1

      e8bf30b0b1ec97bc6a35e4b99e8f59841ef45295

      SHA256

      106e712c3838df66b0cb4b74afda49d336d2951038551e1ca63ca2b9bf539452

      SHA512

      84f47cd4ceb6e61f46e5195d1d18ce8878b80c226e91b4cbef8f15c7ebf1e351d37d6cf325faab00bd9a23e4dc740eaa10c4bc40605fb16e30e8127dc9306c23

    • memory/1304-156-0x0000000073970000-0x0000000073F21000-memory.dmp

      Filesize

      5.7MB

    • memory/1304-137-0x0000000000000000-mapping.dmp

    • memory/1304-143-0x0000000073970000-0x0000000073F21000-memory.dmp

      Filesize

      5.7MB

    • memory/1384-132-0x0000000000000000-mapping.dmp

    • memory/1652-144-0x0000000000000000-mapping.dmp

    • memory/1652-145-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1652-146-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1652-147-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1652-148-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1652-150-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1652-151-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1652-152-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1652-155-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1652-157-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/2172-136-0x0000000000000000-mapping.dmp

    • memory/3140-141-0x0000000000000000-mapping.dmp