Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2023 08:12

General

  • Target

    9872c3c580e8bd1a22cd4698e73e3f9a.exe

  • Size

    292KB

  • MD5

    9872c3c580e8bd1a22cd4698e73e3f9a

  • SHA1

    396576ffc8211cca1e4509e29f29e74883c626d2

  • SHA256

    122742e0a532636207c9bc6f0ae44e45c5bd1df87cb5a1aa475f7fbdb0cc521f

  • SHA512

    34d7cd28bd24988c41b05911fa210f52a3f53a9106ea06e9edbc5f27e8cfeae50fb22cc3c5fa796e9514752e3b0f4c7733cb8942ce9686774b2b7b7dac1bea9d

  • SSDEEP

    3072:zXTH4bYS/eQDmXepeDNbuSTTNG9AMY8q4LCvr4Uot:roYQeQEepeZTNG+MTasUo

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

5050

C2

mifrutty.com

Attributes
  • base_path

    /jerry/

  • build

    250260

  • exe_type

    loader

  • extension

    .bob

  • server_id

    50

rsa_pubkey.plain
aes.plain

Extracted

Family

gozi

Botnet

5050

C2

mifrutty.com

systemcheck.top

Attributes
  • base_path

    /pictures/

  • exe_type

    worker

  • extension

    .bob

  • server_id

    50

rsa_pubkey.plain
aes.plain

Signatures

  • Gozi

    Gozi is a well-known and widely distributed banking trojan.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Runs net.exe
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\9872c3c580e8bd1a22cd4698e73e3f9a.exe
      "C:\Users\Admin\AppData\Local\Temp\9872c3c580e8bd1a22cd4698e73e3f9a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1964
    • C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" "about:<hta:application><script>Efj9='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(Efj9).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\C846A6CB-873B-3AC3-517C-AB0E15700F22\\\ContactClass'));if(!window.flag)close()</script>"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name crwqtlfy -value gp; new-alias -name mmjffqibo -value iex; mmjffqibo ([System.Text.Encoding]::ASCII.GetString((crwqtlfy "HKCU:Software\AppDataLow\Software\Microsoft\C846A6CB-873B-3AC3-517C-AB0E15700F22").AboutWhite))
        3⤵
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1860
        • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\t7hmokrx.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2812
          • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES5DDA.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC5DD9.tmp"
            5⤵
              PID:2792
          • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\oadow8d8.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2704
            • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
              C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES5F31.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC5F21.tmp"
              5⤵
                PID:2712
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\Admin\AppData\Local\Temp\9872c3c580e8bd1a22cd4698e73e3f9a.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1348
          • C:\Windows\system32\PING.EXE
            ping localhost -n 5
            3⤵
            • Runs ping.exe
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:1880
        • C:\Windows\syswow64\cmd.exe
          "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
          2⤵
            PID:1492
          • C:\Windows\syswow64\cmd.exe
            "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
            2⤵
              PID:1076
            • C:\Windows\system32\cmd.exe
              cmd /C "net use >> C:\Users\Admin\AppData\Local\Temp\C64D.bin1"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1148
              • C:\Windows\system32\net.exe
                net use
                3⤵
                  PID:1744
              • C:\Windows\system32\cmd.exe
                cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\C64D.bin1"
                2⤵
                  PID:1536
                • C:\Windows\system32\cmd.exe
                  cmd /U /C "type C:\Users\Admin\AppData\Local\Temp\C64D.bin1 > C:\Users\Admin\AppData\Local\Temp\C64D.bin & del C:\Users\Admin\AppData\Local\Temp\C64D.bin1"
                  2⤵
                    PID:1296

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\C64D.bin

                  Filesize

                  87B

                  MD5

                  07d3da30511c28719dc83847c674d55f

                  SHA1

                  a3252adde98e70212d6f134456f6289aae945fc2

                  SHA256

                  8d23bec71dd61c2c7cd9c341b0570a1570e369a92cb33f75e93e23ec708f577d

                  SHA512

                  318a3b9281a3022bb0503d47ae33f79d633740c30664050efdada15cd681df4c5bc16a1836c10e2249cf7f8e54a1bb4fe9b3ea8fdd724c46f68bb3a2ab0121a9

                • C:\Users\Admin\AppData\Local\Temp\C64D.bin1

                  Filesize

                  87B

                  MD5

                  07d3da30511c28719dc83847c674d55f

                  SHA1

                  a3252adde98e70212d6f134456f6289aae945fc2

                  SHA256

                  8d23bec71dd61c2c7cd9c341b0570a1570e369a92cb33f75e93e23ec708f577d

                  SHA512

                  318a3b9281a3022bb0503d47ae33f79d633740c30664050efdada15cd681df4c5bc16a1836c10e2249cf7f8e54a1bb4fe9b3ea8fdd724c46f68bb3a2ab0121a9

                • C:\Users\Admin\AppData\Local\Temp\C64D.bin1

                  Filesize

                  87B

                  MD5

                  07d3da30511c28719dc83847c674d55f

                  SHA1

                  a3252adde98e70212d6f134456f6289aae945fc2

                  SHA256

                  8d23bec71dd61c2c7cd9c341b0570a1570e369a92cb33f75e93e23ec708f577d

                  SHA512

                  318a3b9281a3022bb0503d47ae33f79d633740c30664050efdada15cd681df4c5bc16a1836c10e2249cf7f8e54a1bb4fe9b3ea8fdd724c46f68bb3a2ab0121a9

                • C:\Users\Admin\AppData\Local\Temp\RES5DDA.tmp

                  Filesize

                  1KB

                  MD5

                  fd6200f68f812dd93d66b6a1c587f8b6

                  SHA1

                  5296306ea442e12a5f70c42357fe85b17eba4cc5

                  SHA256

                  30452add99976f542b2ce4886109ca83a513b22ef7f11fde0fcc7c17f412a28c

                  SHA512

                  edd9c5796bc1915edc016fa85ca975ec67e04e8af4221e9a6902d326f58f0dbd923bc0ac372d5ede80da4d92e3bf013bc40954d976540eda5fb41e7d9dc3ff73

                • C:\Users\Admin\AppData\Local\Temp\RES5F31.tmp

                  Filesize

                  1KB

                  MD5

                  273abdfa5891aa4533feb458bf3d338e

                  SHA1

                  461d3e4fd0fe365f05012eb6628c9e19acde2de3

                  SHA256

                  c3eac0707a722d1a838c86023fd6b6a83c158aae9e75cb13b621ca55a7c756b5

                  SHA512

                  628f54f41b7eeb0dc6d440fa7dd04c48f98303e429b0fb7e9ab4f9a8a8d2fbf9f3ddccf5bacf0dfb82ae453987aa56793931cd2d8a2ca0567e3a1c529f8ed318

                • C:\Users\Admin\AppData\Local\Temp\oadow8d8.dll

                  Filesize

                  3KB

                  MD5

                  a57a67f414dd2ca030bcef3a1453fa15

                  SHA1

                  8abc34279275299c8bec2788b4da35cd21b7eeee

                  SHA256

                  70eadc913de611be46da671817b3f1c620bd0e3e2e37753b9a6407964ba5a98b

                  SHA512

                  88eb1eeb88fa0c7ac8e7d289a4a8325263ba5e75f7f58a105f28b9366284cae9924da7cfd17889897c9558ad26a448532d957db10d30166867674f68fbcbcc3a

                • C:\Users\Admin\AppData\Local\Temp\oadow8d8.pdb

                  Filesize

                  7KB

                  MD5

                  bef5daaa3b57f962c274470107f32ae9

                  SHA1

                  c966ae54edd8dff3f53f86606f5d50feeba78723

                  SHA256

                  e5c92567dc740a3a170af80930bc14f208d14eed8b54c9fbd0d180768f294295

                  SHA512

                  cf99d41dcffe794001106ef1c1fff944d1a7c22be4811fae83f171be00d77a236fb8c33e5b78e6dd8181f7987c441501f701474ea34b17a34dec518f8f4e8b50

                • C:\Users\Admin\AppData\Local\Temp\t7hmokrx.dll

                  Filesize

                  3KB

                  MD5

                  5c7f5b8f4ae8939235be4a934e398ec2

                  SHA1

                  24e194476d08acb6c7fde9b9c7f9dd6ce84d78dc

                  SHA256

                  9e1670d3a39de95d33c71d5c9415ac44ec53b83e8859472323b4c2e86ca27627

                  SHA512

                  0c379e9fa0172e1bd44747c34d32f370990cae132e751eb6e0f3a4abe9c2dd2551c061b39ad14dbc3b8f9d1d33e70e68083f524792a2bea8bf24d4c4bc97e6b9

                • C:\Users\Admin\AppData\Local\Temp\t7hmokrx.pdb

                  Filesize

                  7KB

                  MD5

                  61d4c3bbaa705613242df2ddb0ebf70d

                  SHA1

                  7a8161eaa7c4c78c6358f07df5c5e71db98a6352

                  SHA256

                  834672bccd7e399696e08581194517f489d4c03d71d96fdc00134c27d9f58f73

                  SHA512

                  7233e1255d5632946a2d3cb7a883a4d27a46e9b9bbf1d3987d7eda5705e7fdb1969377a7e62289dcfb554da5c45832719f146ebada8534e9d4ad64d5d314191e

                • \??\c:\Users\Admin\AppData\Local\Temp\CSC5DD9.tmp

                  Filesize

                  652B

                  MD5

                  1fd57a04268ca838c48078552b404bc8

                  SHA1

                  b0c99f80d4ab270ede3a55502403a3889ea026c2

                  SHA256

                  481abfb36b617464ed0e783bba3a6e2bdb40d426ec3b181f2c12a4b8a0d3d884

                  SHA512

                  2defdb236da4f0683c425f3b2b8f30ed862f96efdc8c3209d7a0950b8c781ef7df526b57975a2f1a7644fbba2ddc676ecb8ba9cd9340647e5014bde3a14b6af6

                • \??\c:\Users\Admin\AppData\Local\Temp\CSC5F21.tmp

                  Filesize

                  652B

                  MD5

                  202b3c939ada126f75dac031def464bf

                  SHA1

                  e5f423ad8b5ea33ff3ea9c4e1e9ee4b2eac9971b

                  SHA256

                  2084b053df538685b5cafc99b6c8f9cf454eb64a78cea655cda45e2b9d2325b1

                  SHA512

                  f61921eee79429f143456875658a36a7f88e39bdca268bce542c65691cdaf97896c28659c855f0b871674427c69712b71ee48092945b9f3bc1f40341139e907f

                • \??\c:\Users\Admin\AppData\Local\Temp\oadow8d8.0.cs

                  Filesize

                  406B

                  MD5

                  ca8887eacd573690830f71efaf282712

                  SHA1

                  0acd4f49fc8cf6372950792402ec3aeb68569ef8

                  SHA256

                  568b0c1155379c88e91f904f4e70a3608fbf664ef890309cd705a7c5eb3232c3

                  SHA512

                  2a538a308db6c7d09224737f549d442b4c206e8e9605a2570149243ee11bf0c5f028ebf003b383f86709d0dd976ff66d15ccb700f50969ff3da64dd39cab25c7

                • \??\c:\Users\Admin\AppData\Local\Temp\oadow8d8.cmdline

                  Filesize

                  309B

                  MD5

                  88ce5858f6da8381361c19e9902ceb7c

                  SHA1

                  44f259f9ddcae35c7915d17e0f478fcf434dedb9

                  SHA256

                  2c120d8059113306f5ad542ee53e54de1ed66a8ec41150662eff5fa527e4b2cc

                  SHA512

                  04fb8cc90cd9135b65079464867a7fd6e8c43651996f199caf9908582b5c8650a9673c26b88b95bc86e1043564f43f3872336a545e85219c7eb85b592ea5a703

                • \??\c:\Users\Admin\AppData\Local\Temp\t7hmokrx.0.cs

                  Filesize

                  405B

                  MD5

                  caed0b2e2cebaecd1db50994e0c15272

                  SHA1

                  5dfac9382598e0ad2e700de4f833de155c9c65fa

                  SHA256

                  21210b9baafb8b03ab0ef625312973a77bb5aba856c91892b65826e8b7c3b150

                  SHA512

                  86dc4f8cedd37464c9c492c467375d4603715e5827dfaf7bfcfe5c46ce5e09b439139d4b0a756afa37e4c2444c5b169ac1c024217b9ba449edb183a3b53f2b62

                • \??\c:\Users\Admin\AppData\Local\Temp\t7hmokrx.cmdline

                  Filesize

                  309B

                  MD5

                  b2c335d164938a915d9b2026640c410e

                  SHA1

                  46f405b5c4543f0b26edce593be544072a3c6167

                  SHA256

                  b2cd0b32b6f0020cfd2a6b8f00ef141fe317dfd7a460204c3e156eb19d342ed6

                  SHA512

                  4b479d824f6df6f7cd14b06d86de516b19abb38baca866f7fbb3be3e1cd62926e95b40429328c8ded1ae487a3c5b8374bb51cae037562f044dec130cf28ae444

                • memory/1260-61-0x00000000029D0000-0x00000000029D1000-memory.dmp

                  Filesize

                  4KB

                • memory/1260-60-0x0000000006C90000-0x0000000006DC4000-memory.dmp

                  Filesize

                  1.2MB

                • memory/1260-88-0x0000000006C90000-0x0000000006DC4000-memory.dmp

                  Filesize

                  1.2MB

                • memory/1348-72-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp

                  Filesize

                  4KB

                • memory/1348-74-0x0000000000110000-0x0000000000111000-memory.dmp

                  Filesize

                  4KB

                • memory/1348-90-0x0000000001BE0000-0x0000000001D14000-memory.dmp

                  Filesize

                  1.2MB

                • memory/1348-73-0x0000000001BE0000-0x0000000001D14000-memory.dmp

                  Filesize

                  1.2MB

                • memory/1860-65-0x000007FEF5040000-0x000007FEF59DD000-memory.dmp

                  Filesize

                  9.6MB

                • memory/1860-25-0x0000000001ED0000-0x0000000001ED8000-memory.dmp

                  Filesize

                  32KB

                • memory/1860-22-0x00000000028A0000-0x0000000002920000-memory.dmp

                  Filesize

                  512KB

                • memory/1860-21-0x00000000028A0000-0x0000000002920000-memory.dmp

                  Filesize

                  512KB

                • memory/1860-56-0x000000001B1A0000-0x000000001B1A8000-memory.dmp

                  Filesize

                  32KB

                • memory/1860-20-0x000007FEF5040000-0x000007FEF59DD000-memory.dmp

                  Filesize

                  9.6MB

                • memory/1860-59-0x000000001B1C0000-0x000000001B1FD000-memory.dmp

                  Filesize

                  244KB

                • memory/1860-26-0x00000000028A0000-0x0000000002920000-memory.dmp

                  Filesize

                  512KB

                • memory/1860-23-0x000000001B280000-0x000000001B562000-memory.dmp

                  Filesize

                  2.9MB

                • memory/1860-40-0x000000001B190000-0x000000001B198000-memory.dmp

                  Filesize

                  32KB

                • memory/1860-70-0x000007FEF5040000-0x000007FEF59DD000-memory.dmp

                  Filesize

                  9.6MB

                • memory/1860-24-0x00000000028A0000-0x0000000002920000-memory.dmp

                  Filesize

                  512KB

                • memory/1860-71-0x000000001B1C0000-0x000000001B1FD000-memory.dmp

                  Filesize

                  244KB

                • memory/1880-80-0x0000000001D10000-0x0000000001E44000-memory.dmp

                  Filesize

                  1.2MB

                • memory/1880-79-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/1880-81-0x0000000000180000-0x0000000000181000-memory.dmp

                  Filesize

                  4KB

                • memory/1880-89-0x0000000001D10000-0x0000000001E44000-memory.dmp

                  Filesize

                  1.2MB

                • memory/1964-1-0x0000000002300000-0x0000000002400000-memory.dmp

                  Filesize

                  1024KB

                • memory/1964-8-0x0000000000400000-0x000000000228F000-memory.dmp

                  Filesize

                  30.6MB

                • memory/1964-7-0x0000000002300000-0x0000000002400000-memory.dmp

                  Filesize

                  1024KB

                • memory/1964-15-0x0000000003D50000-0x0000000003D52000-memory.dmp

                  Filesize

                  8KB

                • memory/1964-4-0x00000000002C0000-0x00000000002CD000-memory.dmp

                  Filesize

                  52KB

                • memory/1964-3-0x00000000002A0000-0x00000000002AB000-memory.dmp

                  Filesize

                  44KB

                • memory/1964-2-0x0000000000400000-0x000000000228F000-memory.dmp

                  Filesize

                  30.6MB