Analysis

  • max time kernel
    84s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2023 19:30

General

  • Target

    ed04378d4fe8fd0814a4435d86b7097706413094c476b29f2539b08ae9592bc2.exe

  • Size

    1.8MB

  • MD5

    4b24bb7eb024e319888f9e7e00fe4243

  • SHA1

    c3607f61d72e6ec43cf7bf4f41d166eecaa27f58

  • SHA256

    ed04378d4fe8fd0814a4435d86b7097706413094c476b29f2539b08ae9592bc2

  • SHA512

    48c27f416e07307ee046ccab04fe868b0cf25fe178b002bcc1075adbc47d3fb7ae92b0e8709cdbd159f54755bd7c492e343d8da149d2a9a227836a8d315a0fc3

  • SSDEEP

    49152:iRTQWltDVTODlosbWp6FjTxEeliYZ8+Y7JKQa:itzlnY/bW0FjTOKZJaJI

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 2 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed04378d4fe8fd0814a4435d86b7097706413094c476b29f2539b08ae9592bc2.exe
    "C:\Users\Admin\AppData\Local\Temp\ed04378d4fe8fd0814a4435d86b7097706413094c476b29f2539b08ae9592bc2.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Public\xiaodaxzqxia\n.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3872
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1201" /d "0" /t REG_DWORD /f
        3⤵
          PID:3500
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Public\xiaodaxzqxia\A.vbs"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:2220
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Public\xiaodaxzqxia\n.bat" "
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2284
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1201" /d "0" /t REG_DWORD /f
            4⤵
              PID:3224
        • C:\Users\Public\xiaodaxzqxia\v.exe
          "C:\Users\Public\xiaodaxzqxia\v.exe" x 111 -y
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3292
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Public\xiaodaxzqxia\v.bat
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3360
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /k C:\Windows\System32\reg.exe add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1340
            • C:\Windows\SysWOW64\reg.exe
              C:\Windows\System32\reg.exe add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
              4⤵
              • UAC bypass
              • Modifies registry key
              PID:1372
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:3456
        • C:\Users\Public\xiaodaxzqxia\jecxz.exe
          "C:\Users\Public\xiaodaxzqxia\jecxz.exe"
          1⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:2884
        • C:\Windows\hh.exe
          "C:\Windows\hh.exe" C:\Users\Public\cxzvasdfg\7133965649694649\A11.chm
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:3432
        • C:\Windows\hh.exe
          "C:\Windows\hh.exe" C:\Users\Public\cxzvasdfg\7133965649694649\A11.chm
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:1568

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\HTML Help\hh.dat

          Filesize

          8KB

          MD5

          648d91f08bccccf86c831a9f7296cd9e

          SHA1

          c853c9da60fd6e843d4a32b81df55ac29fc46402

          SHA256

          2f8eca4c2783dc97191455b545108e6b13881863227ae650d4773ae0e97bcd19

          SHA512

          43ce06d17d6748c1045e34a32870476b9c115d9f09f9fca056252614d6d1237726f6f8cc93a59dfbf2b988ef117600290ed8d198ce49bd0b5561bdfb484baaec

        • C:\Users\Public\cxzvasdfg\7133965649694649\A11.chm

          Filesize

          9KB

          MD5

          2342b3ba19855ddd8c3e311b2842bdbb

          SHA1

          ecec63f62d445bdcc369af3f29df566611c7d4a5

          SHA256

          257c340891c8007dbb720853244785b8d7433fb70ca0038528b9fde035d0bfe6

          SHA512

          f5230c860656004d8f860f5b2941b15519cebf7ce6494eefcea6307be4057f5cd6178cbdfca9a022d28fd11cc0d81ed1f2a719ff9a614e28a0eb12f048302cb9

        • C:\Users\Public\xiaodaxzqxia\1

          Filesize

          291KB

          MD5

          66bbcc42fe6cf9c1b890ec4a9049a9d7

          SHA1

          dd6bf3e2ca01625a1c2d1cd59ec523b55978d32e

          SHA256

          4950e959cb8ac30540acf2544bbe6a0bdf78e7ea2ce558f248c7f902df29b9ae

          SHA512

          56daaa94dab1ec09d3a328f78e794d6040822ef26ee5370020e59a9da0e0be7e7c95c4e1805d24cf9270a475219e4dd98aa3a71afc6785df406f99a17110ddb0

        • C:\Users\Public\xiaodaxzqxia\111

          Filesize

          1.1MB

          MD5

          b6672f5964eb4f8495ac54286af46c2c

          SHA1

          cc41541c3dfec64af741154dddf28a0a5b0c7876

          SHA256

          2b5fb8e16196b2c9f79406b5266de3f5a0709d7522e40f82f411df91e5d9b6b3

          SHA512

          fb0a0cf37fcb88e647ff444eb3b7fd4445ebad38726172d91f26bb8ec41998e655a2ab27e4e7abba4b628bb694d07d5197311368de59e7b67309ae605468e0e6

        • C:\Users\Public\xiaodaxzqxia\7z.dll

          Filesize

          1.2MB

          MD5

          a65e53c974a4e61728ecb632339a0978

          SHA1

          27e6ec4f8e34b40f1e08503245700c182b918ce9

          SHA256

          ca8ab5aeef734f24a3c58bf10b3f0152c2ea1329b02d2730448693df563b4c6a

          SHA512

          b029962f08867496cd3fd5e9af4b0703dae918e938aee759aeffbb4184ea6d3e81e0878ba8957e80d30db5d7b6fc8598e68918a4d16b3d010f31a2e16417593e

        • C:\Users\Public\xiaodaxzqxia\7z.dll

          Filesize

          1.2MB

          MD5

          a65e53c974a4e61728ecb632339a0978

          SHA1

          27e6ec4f8e34b40f1e08503245700c182b918ce9

          SHA256

          ca8ab5aeef734f24a3c58bf10b3f0152c2ea1329b02d2730448693df563b4c6a

          SHA512

          b029962f08867496cd3fd5e9af4b0703dae918e938aee759aeffbb4184ea6d3e81e0878ba8957e80d30db5d7b6fc8598e68918a4d16b3d010f31a2e16417593e

        • C:\Users\Public\xiaodaxzqxia\A.vbs

          Filesize

          107B

          MD5

          bcb223ea9c0598f04684216bcd0e12a6

          SHA1

          2661c8fbca3654a29fa261def7f16ea23a6f3165

          SHA256

          ef2113720c94cbe4cb494d6e24d26803b4b1a094e35e4285cd4a2f5665ef2c37

          SHA512

          77e440462544ca9f711f9241096601060080f5751651cab8a796d57ed74c424f03a9237a653c17a386c1ef654e6192d0e54080632dacff15a28a46564e639682

        • C:\Users\Public\xiaodaxzqxia\jecxz.exe

          Filesize

          124KB

          MD5

          3073cc5f21d39cd801335269f7592eff

          SHA1

          03db252b128d91d010418f55bc0afb7e3fa94078

          SHA256

          9a0e14738eb9739bb48af7312fec5227dbc821b12dfb29619cc8e99a4991b3fd

          SHA512

          a3816ef7319501f79125f5d94bd40f0a728b1ab4d85f427d4d26a407fabb6b9229fd56e0bde55f19528fea18c3778f53bf61b9bba4bde226193f4e7e3a1191e2

        • C:\Users\Public\xiaodaxzqxia\jecxz.exe

          Filesize

          124KB

          MD5

          3073cc5f21d39cd801335269f7592eff

          SHA1

          03db252b128d91d010418f55bc0afb7e3fa94078

          SHA256

          9a0e14738eb9739bb48af7312fec5227dbc821b12dfb29619cc8e99a4991b3fd

          SHA512

          a3816ef7319501f79125f5d94bd40f0a728b1ab4d85f427d4d26a407fabb6b9229fd56e0bde55f19528fea18c3778f53bf61b9bba4bde226193f4e7e3a1191e2

        • C:\Users\Public\xiaodaxzqxia\n.bat

          Filesize

          263B

          MD5

          c7d8b33e05722104d63de564a5d92b01

          SHA1

          fd703f1c71ac1dae65dc34f3521854604cec8091

          SHA256

          538ce88a3eed5a98c6a021a4c541080c5cfb652962f37da620e35b537513317a

          SHA512

          54a80fc6ad3f08743dc1655c379de79f9496086a9a18f4716fc9a9d6a6fe4fd527dd4ac099c57408090b73903c64fa38d4723783708068878aa6e18c6cc0d08e

        • C:\Users\Public\xiaodaxzqxia\v.bat

          Filesize

          275B

          MD5

          be7bbc9c7f6b505918f84b006b871965

          SHA1

          62f62090deb64ebdd93e2d48a1b85b3d0082415b

          SHA256

          259d09385d3e18e569e36542ea92eee43747ec48244659ca21ff6e20e9a9d91d

          SHA512

          84afc35227b5b590b5db0bb0e3c1c991202c0d6eef6ecc3ec9d7c097dce3e60d32c85915c7103efa413586a62e0ee7ae773fe13186a2f37825d1f20ac3f705e9

        • C:\Users\Public\xiaodaxzqxia\v.exe

          Filesize

          329KB

          MD5

          62d2156e3ca8387964f7aa13dd1ccd5b

          SHA1

          a5067e046ed9ea5512c94d1d17c394d6cf89ccca

          SHA256

          59cbfba941d3ac0238219daa11c93969489b40f1e8b38fabdb5805ac3dd72bfa

          SHA512

          006f7c46021f339b6cbf9f0b80cffa74abb8d48e12986266d069738c4e6bdb799bfba4b8ee4565a01e90dbe679a96a2399d795a6ead6eacbb4818a155858bf60

        • memory/1716-151-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/1716-170-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/1716-133-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/1716-184-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/2884-152-0x0000000002140000-0x000000000218A000-memory.dmp

          Filesize

          296KB

        • memory/2884-173-0x0000000002140000-0x000000000218A000-memory.dmp

          Filesize

          296KB

        • memory/2884-150-0x0000000002140000-0x000000000218A000-memory.dmp

          Filesize

          296KB

        • memory/2884-149-0x0000000002140000-0x000000000218A000-memory.dmp

          Filesize

          296KB

        • memory/2884-148-0x0000000002140000-0x000000000218A000-memory.dmp

          Filesize

          296KB

        • memory/2884-147-0x0000000002140000-0x000000000218A000-memory.dmp

          Filesize

          296KB