Analysis

  • max time kernel
    552s
  • max time network
    436s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2022 23:52

General

  • Target

    056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5.exe

  • Size

    350KB

  • MD5

    3f65f241981377c60c4f96e43f2925c3

  • SHA1

    6f11358676bc96c1062858739904f955996906f4

  • SHA256

    056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5

  • SHA512

    a02f051946afddd0034db22539f73d5639a8e57f0c5c19fa355f1e198691f83fc7df95c208c4330838a84265b5aaba6eac72f698e6307455d8561f621b6d005d

  • SSDEEP

    6144:n5gNwmDoctwXekY4no0zbbRzpBwmZm+72dCMKB7QNk3VcXaO:kknXekNoYJzLids7Ak3VEN

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1000

Attributes
  • 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.

  • Windows security bypass 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5.exe
      "C:\Users\Admin\AppData\Local\Temp\056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5.exe"
      2⤵
      • Windows security bypass
      • Windows security modification
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\57FE\17FC.bat" "C:\Users\Admin\AppData\Roaming\dmvdXT32\AUDIound.exe" "C:\Users\Admin\AppData\Local\Temp\056C73~1.EXE""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:932
        • C:\Windows\SysWOW64\cmd.exe
          cmd /C ""C:\Users\Admin\AppData\Roaming\dmvdXT32\AUDIound.exe" "C:\Users\Admin\AppData\Local\Temp\056C73~1.EXE""
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1372
          • C:\Users\Admin\AppData\Roaming\dmvdXT32\AUDIound.exe
            "C:\Users\Admin\AppData\Roaming\dmvdXT32\AUDIound.exe" "C:\Users\Admin\AppData\Local\Temp\056C73~1.EXE"
            5⤵
            • Executes dropped EXE
            • Deletes itself
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1648
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe
              6⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\57FE\17FC.bat

    Filesize

    108B

    MD5

    cf564ebbcdad5e9ce6397bf4aa50a5a4

    SHA1

    91564e80f9105c60d8db3607080dfc1384ee401a

    SHA256

    9f01c8e6c39978271e670e7eaf0820680d2baa36567e48571f08b139964ac6b2

    SHA512

    536e38240969559069018b5f96bbb525fb2b3a4b63af9ea3ad3cddfdefdeaf516c3ede28390a8eeabc55c0ee7df5f94f919f358799207c5c0db082f3ec5810b7

  • C:\Users\Admin\AppData\Roaming\dmvdXT32\AUDIound.exe

    Filesize

    350KB

    MD5

    3f65f241981377c60c4f96e43f2925c3

    SHA1

    6f11358676bc96c1062858739904f955996906f4

    SHA256

    056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5

    SHA512

    a02f051946afddd0034db22539f73d5639a8e57f0c5c19fa355f1e198691f83fc7df95c208c4330838a84265b5aaba6eac72f698e6307455d8561f621b6d005d

  • C:\Users\Admin\AppData\Roaming\dmvdXT32\AUDIound.exe

    Filesize

    350KB

    MD5

    3f65f241981377c60c4f96e43f2925c3

    SHA1

    6f11358676bc96c1062858739904f955996906f4

    SHA256

    056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5

    SHA512

    a02f051946afddd0034db22539f73d5639a8e57f0c5c19fa355f1e198691f83fc7df95c208c4330838a84265b5aaba6eac72f698e6307455d8561f621b6d005d

  • \Users\Admin\AppData\Roaming\dmvdXT32\AUDIound.exe

    Filesize

    350KB

    MD5

    3f65f241981377c60c4f96e43f2925c3

    SHA1

    6f11358676bc96c1062858739904f955996906f4

    SHA256

    056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5

    SHA512

    a02f051946afddd0034db22539f73d5639a8e57f0c5c19fa355f1e198691f83fc7df95c208c4330838a84265b5aaba6eac72f698e6307455d8561f621b6d005d

  • \Users\Admin\AppData\Roaming\dmvdXT32\AUDIound.exe

    Filesize

    350KB

    MD5

    3f65f241981377c60c4f96e43f2925c3

    SHA1

    6f11358676bc96c1062858739904f955996906f4

    SHA256

    056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5

    SHA512

    a02f051946afddd0034db22539f73d5639a8e57f0c5c19fa355f1e198691f83fc7df95c208c4330838a84265b5aaba6eac72f698e6307455d8561f621b6d005d

  • memory/556-65-0x00000000003D0000-0x00000000004B8000-memory.dmp

    Filesize

    928KB

  • memory/556-66-0x00000000003D0000-0x00000000004B8000-memory.dmp

    Filesize

    928KB

  • memory/1064-54-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

    Filesize

    8KB

  • memory/1360-67-0x00000000064C0000-0x00000000065A8000-memory.dmp

    Filesize

    928KB

  • memory/1360-68-0x00000000064C0000-0x00000000065A8000-memory.dmp

    Filesize

    928KB