Analysis

  • max time kernel
    600s
  • max time network
    510s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-10-2022 00:07

General

  • Target

    514b0d82faa73cee71e7b9323411f496be435bfe01844f9369ffb2fa8cef9d54.exe

  • Size

    497KB

  • MD5

    607b8176885a9c8c8f2be0067ee9aeba

  • SHA1

    7bbe505272fac18a05491b0c6f6bc92a7c26dc23

  • SHA256

    514b0d82faa73cee71e7b9323411f496be435bfe01844f9369ffb2fa8cef9d54

  • SHA512

    372eda54a5ddba51de3f091df58d00d451bb83820d79b3f97209dfbfda6991a3e3f5647b8ba0291b80b1d6322cef844ced08c7a74e0cf280b86455f00fc626a8

  • SSDEEP

    12288:U80ftiYRgLLrxRzG6h2/8E9rK/PIEIkqv59SLes:10tjRgXG6h2D04EIkqv5UV

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1000

C2

rastobona.com

artefaki.com

spamhouseanilingus.ru

gazitivaton.ru

Attributes
  • build

    200000

  • exe_type

    worker

  • server_id

    12

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi, Gozi IFSB

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

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3408
  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
      PID:4752
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3704
      • 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 AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:380
        • C:\Users\Admin\AppData\Local\Temp\514b0d82faa73cee71e7b9323411f496be435bfe01844f9369ffb2fa8cef9d54.exe
          "C:\Users\Admin\AppData\Local\Temp\514b0d82faa73cee71e7b9323411f496be435bfe01844f9369ffb2fa8cef9d54.exe"
          2⤵
          • Checks computer location settings
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:5024
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9638\51B6.bat" "C:\Users\Admin\AppData\Roaming\baseeMas\Appxplua.exe" "C:\Users\Admin\AppData\Local\Temp\514B0D~1.EXE""
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2500
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C ""C:\Users\Admin\AppData\Roaming\baseeMas\Appxplua.exe" "C:\Users\Admin\AppData\Local\Temp\514B0D~1.EXE""
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4824
              • C:\Users\Admin\AppData\Roaming\baseeMas\Appxplua.exe
                "C:\Users\Admin\AppData\Roaming\baseeMas\Appxplua.exe" "C:\Users\Admin\AppData\Local\Temp\514B0D~1.EXE"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of WriteProcessMemory
                PID:5100
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe
                  6⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of WriteProcessMemory
                  PID:5036
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:4704

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\9638\51B6.bat
          Filesize

          112B

          MD5

          798567b8fc66be01ff3a11d7cb2cbb05

          SHA1

          4ffc63f59a2ce00c0e94a2fd43d5ab767b325e15

          SHA256

          354c636fa48948869c7e78a5b0e160819345fd628417f3d58aa22d99f4f2d10e

          SHA512

          9ca26b50e4d60c8975c1a9325a3d43b548d20829e336df40701825b07156035ba75ab7e4d9ca25fddecbd444d66eedc00c11ee926147b011479c3a163e401c8d

        • C:\Users\Admin\AppData\Roaming\baseeMas\Appxplua.exe
          Filesize

          497KB

          MD5

          607b8176885a9c8c8f2be0067ee9aeba

          SHA1

          7bbe505272fac18a05491b0c6f6bc92a7c26dc23

          SHA256

          514b0d82faa73cee71e7b9323411f496be435bfe01844f9369ffb2fa8cef9d54

          SHA512

          372eda54a5ddba51de3f091df58d00d451bb83820d79b3f97209dfbfda6991a3e3f5647b8ba0291b80b1d6322cef844ced08c7a74e0cf280b86455f00fc626a8

        • C:\Users\Admin\AppData\Roaming\baseeMas\Appxplua.exe
          Filesize

          497KB

          MD5

          607b8176885a9c8c8f2be0067ee9aeba

          SHA1

          7bbe505272fac18a05491b0c6f6bc92a7c26dc23

          SHA256

          514b0d82faa73cee71e7b9323411f496be435bfe01844f9369ffb2fa8cef9d54

          SHA512

          372eda54a5ddba51de3f091df58d00d451bb83820d79b3f97209dfbfda6991a3e3f5647b8ba0291b80b1d6322cef844ced08c7a74e0cf280b86455f00fc626a8

        • memory/380-154-0x0000000005110000-0x00000000051F9000-memory.dmp
          Filesize

          932KB

        • memory/380-150-0x0000000005110000-0x00000000051F9000-memory.dmp
          Filesize

          932KB

        • memory/2500-136-0x0000000000000000-mapping.dmp
        • memory/3408-149-0x00000298F2990000-0x00000298F2A79000-memory.dmp
          Filesize

          932KB

        • memory/3704-151-0x00000169AA2D0000-0x00000169AA3B9000-memory.dmp
          Filesize

          932KB

        • memory/4704-153-0x000001D98FC00000-0x000001D98FCE9000-memory.dmp
          Filesize

          932KB

        • memory/4752-152-0x000002247B2B0000-0x000002247B399000-memory.dmp
          Filesize

          932KB

        • memory/4824-138-0x0000000000000000-mapping.dmp
        • memory/5024-132-0x0000000000C00000-0x0000000000C03000-memory.dmp
          Filesize

          12KB

        • memory/5024-135-0x0000000000C10000-0x0000000000C13000-memory.dmp
          Filesize

          12KB

        • memory/5024-133-0x0000000000400000-0x00000000004D8000-memory.dmp
          Filesize

          864KB

        • memory/5036-146-0x0000000000000000-mapping.dmp
        • memory/5036-147-0x0000000000F60000-0x0000000001049000-memory.dmp
          Filesize

          932KB

        • memory/5036-148-0x0000000000F60000-0x0000000001049000-memory.dmp
          Filesize

          932KB

        • memory/5100-145-0x0000000000560000-0x0000000000563000-memory.dmp
          Filesize

          12KB

        • memory/5100-144-0x0000000000550000-0x0000000000553000-memory.dmp
          Filesize

          12KB

        • memory/5100-142-0x0000000000400000-0x00000000004D8000-memory.dmp
          Filesize

          864KB

        • memory/5100-139-0x0000000000000000-mapping.dmp