Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2023 13:48

General

  • Target

    client.exe

  • Size

    296KB

  • MD5

    3f39517fb0f5de4ba10e72242fb6cd9a

  • SHA1

    d9c68d8110038c21b9d1c5763eab9331c2cf3b45

  • SHA256

    b3a2a819e27b004310e65c2b6b000cb8444b3233271a5064e5314d9580d128d3

  • SHA512

    c69a9438a9915724233aff2a45a25421a33d05ff2fdcaa7ffdef7dd67f2c27aa1f0894e1c0b11def837d01515dbf42931d4ac829a0ea6a40b115002e615f7ebe

  • SSDEEP

    3072:pqrRrmv3TwaCRNnA/UeXFa3mSRACC2IS/gc/LRxNuIY:QrRyvDwaCRNn4XQ2wACZgc/LR/u

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:1232
    • C:\Users\Admin\AppData\Local\Temp\client.exe
      "C:\Users\Admin\AppData\Local\Temp\client.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2388
    • C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" "about:<hta:application><script>Je2q='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(Je2q).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\3C64491B-6BF2-CEE4-D530-CFE2D9647336\\\MusicWhite'));if(!window.flag)close()</script>"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name icridexk -value gp; new-alias -name xonavbd -value iex; xonavbd ([System.Text.Encoding]::ASCII.GetString((icridexk "HKCU:Software\AppDataLow\Software\Microsoft\3C64491B-6BF2-CEE4-D530-CFE2D9647336").ControlText))
        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:2888
        • 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\vz-vfyl9.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2656
          • 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\RES49DD.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC49DC.tmp"
            5⤵
              PID:2784
          • 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\bb2tb-36.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1660
            • 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\RES4A98.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC4A97.tmp"
              5⤵
                PID:1784
        • 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:1688
          • C:\Windows\system32\PING.EXE
            ping localhost -n 5
            3⤵
            • Runs ping.exe
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:1508
        • C:\Windows\syswow64\cmd.exe
          "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
          2⤵
            PID:524

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\RES49DD.tmp
          Filesize

          1KB

          MD5

          067fddb9727d212399712aa84bd07445

          SHA1

          233f40a8bc132b2e49e121fab0ef3c1c5944d730

          SHA256

          c775a133a389f2e223931fb41bfc02d34b7e4b5507f597cf4bd2826a7df04e61

          SHA512

          76228c5966783679c84cab9036dffaa8bf90af2d68d6eb749025a6a633169526db1b1d14ed48038dcfcbbe2fcad8d6546b3c5b461f856e7daf162b33c0ee062a

        • C:\Users\Admin\AppData\Local\Temp\RES4A98.tmp
          Filesize

          1KB

          MD5

          24e3b22e2d9b0721ba42efc62d46549c

          SHA1

          7ced32c19c7c40eceb13deebd67105406dd4682f

          SHA256

          b02abffc0bd136d486042f2b8d550766ccef207640502864d1afcfb4bac621a6

          SHA512

          131cb73b1348350bbd29ef6bb2302a1e52e422c160df685451bdfc710f92e941985b95a197ff877e767394a3acb26569839da48b2d42f1a712062fc70e9fdcd0

        • C:\Users\Admin\AppData\Local\Temp\bb2tb-36.dll
          Filesize

          3KB

          MD5

          61bab0a4ff1bfc15c216613091efdb00

          SHA1

          c5e6cc7f5b9ea49c7d0ddabda80fecffc4b9ab08

          SHA256

          7c3ffcea169e8c3673e34ef8f41cd8e5ad0d8e3b284c88ea94df3fc5cce8575b

          SHA512

          46852ad1600ab79d277c91ae74243cd9f0f5029261ca1a81f6abb21e953732e035a27cde0039dc5b73ba3c97f7b9456d83cb9cc873aa2d413df225333486fe33

        • C:\Users\Admin\AppData\Local\Temp\bb2tb-36.pdb
          Filesize

          7KB

          MD5

          5f22ca13b8123cebb1ce71ff13341a8a

          SHA1

          4b14351980e87bbb2fd9bf051ed90228aa2824db

          SHA256

          8c4bee22000bf31c10289fe1d8de9b065c5fcaae044924d60c8ac737be1bee5a

          SHA512

          4ecb25b962e1c6f16961b4e7ab48eb7196b721c08f8cd5836f715748bdefa599b29585221d591976db26b354a41cf4b8d69e218c49bf4c74484f3575e398ffc0

        • C:\Users\Admin\AppData\Local\Temp\vz-vfyl9.dll
          Filesize

          3KB

          MD5

          028a61c4cc48e54fe412d9906495fb6b

          SHA1

          265dc2cf67aad9acc343fe3643e1ffc12451b106

          SHA256

          bbf89f49989748c87bf5dd6cb5b6a31467fcf6c46921dad600fd16397618841a

          SHA512

          43c826e4f61a0870b5eda2eb69bd6b35dac229b5248f197dd34dcc93653c9bbfdfa572d620ed3de9c886916e0ea90ba5c1a3fa078685be44a00202b070ba8b43

        • C:\Users\Admin\AppData\Local\Temp\vz-vfyl9.pdb
          Filesize

          7KB

          MD5

          f195233346356a418dee56dfa2be7e9e

          SHA1

          80d8bc61ecdf8fbc99cdd6c570c3a7b6e8674497

          SHA256

          3b491d0000b614c2fcfba02f21b91b50b5f5afd2c908645c8bec31818065cdad

          SHA512

          8ef1b316f0b9b7bd629a761aafc61e923b05cb408bb60ba67022e8cfe3a988d3d4b54dfbca35d6e3e73a7250432d2b273c47eda568990269c4f2549b471dd890

        • \??\c:\Users\Admin\AppData\Local\Temp\CSC49DC.tmp
          Filesize

          652B

          MD5

          67a7ba15471d7d65cee844498a0a88a9

          SHA1

          c29f59752fe2d0f98ea7f15dd6a9e4296ed63771

          SHA256

          b99907efabdbfdfae88b27add69359839cccea997a0adb6b1e246df8d6559375

          SHA512

          b08c020631de48dfcac0593d6292a30dbbed00a54215a4e1f67ec222feb0b9d280717ef1de2e3836005723abd6d00f4baaa22cb7ff1a04da4e0b504f2be12696

        • \??\c:\Users\Admin\AppData\Local\Temp\CSC4A97.tmp
          Filesize

          652B

          MD5

          e17c9d100b63f0caa8708a328c0f43db

          SHA1

          640fe992d75db3fcf439d047bd65813860be2ae3

          SHA256

          76723664b71cacc8a8077464ed0e016d07dbad504513e1d8e4f44a60ca0bc9f4

          SHA512

          1e0c81c9ad44cce4c3014916869e1ab85a8fc0008b82997b0d0ef35ab2c7d69e5dbf3ac38af20604ec52a426496aca267cd0b99f6aedfd70f5cc3c47ab0ee142

        • \??\c:\Users\Admin\AppData\Local\Temp\bb2tb-36.0.cs
          Filesize

          406B

          MD5

          ca8887eacd573690830f71efaf282712

          SHA1

          0acd4f49fc8cf6372950792402ec3aeb68569ef8

          SHA256

          568b0c1155379c88e91f904f4e70a3608fbf664ef890309cd705a7c5eb3232c3

          SHA512

          2a538a308db6c7d09224737f549d442b4c206e8e9605a2570149243ee11bf0c5f028ebf003b383f86709d0dd976ff66d15ccb700f50969ff3da64dd39cab25c7

        • \??\c:\Users\Admin\AppData\Local\Temp\bb2tb-36.cmdline
          Filesize

          309B

          MD5

          a71c5c84d0bb9ea0b11a8d9ebc7c555c

          SHA1

          a7d0ea7a4793e8ac4a6905c2493d7e54fafa4b63

          SHA256

          3cb7f0ab3b365280ef6c91724e21ffdc7b7384a135661f4f900cd3e8032ce4a9

          SHA512

          e5babd707ac095521843629f75af8b3d3721046fb194d7ef13de85604d661ef5dfc540bd4bd76e6754f03915631e86d7afce3c1134f0adb19973d57736e13a75

        • \??\c:\Users\Admin\AppData\Local\Temp\vz-vfyl9.0.cs
          Filesize

          405B

          MD5

          caed0b2e2cebaecd1db50994e0c15272

          SHA1

          5dfac9382598e0ad2e700de4f833de155c9c65fa

          SHA256

          21210b9baafb8b03ab0ef625312973a77bb5aba856c91892b65826e8b7c3b150

          SHA512

          86dc4f8cedd37464c9c492c467375d4603715e5827dfaf7bfcfe5c46ce5e09b439139d4b0a756afa37e4c2444c5b169ac1c024217b9ba449edb183a3b53f2b62

        • \??\c:\Users\Admin\AppData\Local\Temp\vz-vfyl9.cmdline
          Filesize

          309B

          MD5

          89987a6f7c1bf04ed63792fef1269e66

          SHA1

          9b20c4d265a77124062029652b9aff7f7a994c07

          SHA256

          6121e234698547606518d205ebaa218156d9cb16fd342ce21de2c5f51476ecc2

          SHA512

          9d00b2f5222e32ad1a6e4b97851c254f0f83429ac7b8982d104320becb9f629f4cc990b3eed3e1408c9d17fbbfc90ae526d3c376872f7280138d928db58f6daf

        • memory/524-90-0x00000000004E0000-0x0000000000578000-memory.dmp
          Filesize

          608KB

        • memory/524-88-0x00000000000B0000-0x00000000000B1000-memory.dmp
          Filesize

          4KB

        • memory/524-89-0x00000000004E0000-0x0000000000578000-memory.dmp
          Filesize

          608KB

        • memory/524-85-0x00000000004E0000-0x0000000000578000-memory.dmp
          Filesize

          608KB

        • memory/1232-61-0x0000000002780000-0x0000000002781000-memory.dmp
          Filesize

          4KB

        • memory/1232-60-0x0000000004E00000-0x0000000004EA4000-memory.dmp
          Filesize

          656KB

        • memory/1232-91-0x0000000004E00000-0x0000000004EA4000-memory.dmp
          Filesize

          656KB

        • memory/1508-78-0x000007FFFFFD8000-0x000007FFFFFD9000-memory.dmp
          Filesize

          4KB

        • memory/1508-80-0x0000000000090000-0x0000000000091000-memory.dmp
          Filesize

          4KB

        • memory/1508-79-0x0000000001BC0000-0x0000000001C64000-memory.dmp
          Filesize

          656KB

        • memory/1508-92-0x0000000001BC0000-0x0000000001C64000-memory.dmp
          Filesize

          656KB

        • memory/1660-47-0x00000000022D0000-0x0000000002350000-memory.dmp
          Filesize

          512KB

        • memory/1688-73-0x0000000000210000-0x0000000000211000-memory.dmp
          Filesize

          4KB

        • memory/1688-71-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp
          Filesize

          4KB

        • memory/1688-93-0x0000000001BD0000-0x0000000001C74000-memory.dmp
          Filesize

          656KB

        • memory/1688-72-0x0000000001BD0000-0x0000000001C74000-memory.dmp
          Filesize

          656KB

        • memory/2388-9-0x0000000000220000-0x000000000022B000-memory.dmp
          Filesize

          44KB

        • memory/2388-13-0x00000000025E0000-0x00000000025E2000-memory.dmp
          Filesize

          8KB

        • memory/2388-2-0x0000000000220000-0x000000000022B000-memory.dmp
          Filesize

          44KB

        • memory/2388-3-0x0000000000400000-0x0000000002290000-memory.dmp
          Filesize

          30.6MB

        • memory/2388-4-0x0000000000280000-0x000000000028D000-memory.dmp
          Filesize

          52KB

        • memory/2388-7-0x0000000002390000-0x0000000002490000-memory.dmp
          Filesize

          1024KB

        • memory/2388-8-0x0000000000400000-0x0000000002290000-memory.dmp
          Filesize

          30.6MB

        • memory/2388-84-0x0000000002390000-0x0000000002490000-memory.dmp
          Filesize

          1024KB

        • memory/2388-1-0x0000000002390000-0x0000000002490000-memory.dmp
          Filesize

          1024KB

        • memory/2656-30-0x0000000002140000-0x00000000021C0000-memory.dmp
          Filesize

          512KB

        • memory/2888-69-0x000007FEF3090000-0x000007FEF3A2D000-memory.dmp
          Filesize

          9.6MB

        • memory/2888-19-0x0000000002120000-0x0000000002128000-memory.dmp
          Filesize

          32KB

        • memory/2888-18-0x000000001B370000-0x000000001B652000-memory.dmp
          Filesize

          2.9MB

        • memory/2888-56-0x0000000002780000-0x0000000002788000-memory.dmp
          Filesize

          32KB

        • memory/2888-24-0x000007FEF3090000-0x000007FEF3A2D000-memory.dmp
          Filesize

          9.6MB

        • memory/2888-39-0x00000000026F0000-0x00000000026F8000-memory.dmp
          Filesize

          32KB

        • memory/2888-70-0x0000000002A60000-0x0000000002A9D000-memory.dmp
          Filesize

          244KB

        • memory/2888-23-0x0000000002AC0000-0x0000000002B40000-memory.dmp
          Filesize

          512KB

        • memory/2888-20-0x000007FEF3090000-0x000007FEF3A2D000-memory.dmp
          Filesize

          9.6MB

        • memory/2888-21-0x0000000002AC0000-0x0000000002B40000-memory.dmp
          Filesize

          512KB

        • memory/2888-59-0x0000000002A60000-0x0000000002A9D000-memory.dmp
          Filesize

          244KB

        • memory/2888-22-0x0000000002AC0000-0x0000000002B40000-memory.dmp
          Filesize

          512KB