Analysis

  • max time kernel
    57s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-06-2022 04:07

General

  • Target

    3305c317a914b61dbf2d6cadfe845f60b8e54c0c2b66a52e46027dd4b26af2f1.exe

  • Size

    388KB

  • MD5

    155203d92c9d8514fdea49e38d796a2d

  • SHA1

    95730596a750676d8649ced7233f2e6da29a7f0f

  • SHA256

    3305c317a914b61dbf2d6cadfe845f60b8e54c0c2b66a52e46027dd4b26af2f1

  • SHA512

    6ff8269a57be0a6198f3fd78c154ffd9f96936bf5e248c2208fd9938d6c4174334ce733866312eb71cb6149d1d1b2bd2b55417222d18c8ab118658efabf8c2ea

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1010

C2

diuolirt.at

deopliazae.at

nifredao.com

filokiyurt.at

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.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 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: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:1304
    • C:\Users\Admin\AppData\Local\Temp\3305c317a914b61dbf2d6cadfe845f60b8e54c0c2b66a52e46027dd4b26af2f1.exe
      "C:\Users\Admin\AppData\Local\Temp\3305c317a914b61dbf2d6cadfe845f60b8e54c0c2b66a52e46027dd4b26af2f1.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1964
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\D6C2\6B61.bat" "C:\Users\Admin\AppData\Roaming\Audiient\amxredit.exe" "C:\Users\Admin\AppData\Local\Temp\3305C3~1.EXE""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1312
        • C:\Windows\SysWOW64\cmd.exe
          cmd /C ""C:\Users\Admin\AppData\Roaming\Audiient\amxredit.exe" "C:\Users\Admin\AppData\Local\Temp\3305C3~1.EXE""
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1720
          • C:\Users\Admin\AppData\Roaming\Audiient\amxredit.exe
            "C:\Users\Admin\AppData\Roaming\Audiient\amxredit.exe" "C:\Users\Admin\AppData\Local\Temp\3305C3~1.EXE"
            5⤵
            • Executes dropped EXE
            • Deletes itself
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:2040
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe
              6⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:2004

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\D6C2\6B61.bat
    Filesize

    108B

    MD5

    d12a7a82311e1dd51e746b3af566fd63

    SHA1

    cbba03204fbf23992505a77c0c3f019b07f80aba

    SHA256

    26f0b60d95a4c036e812a6e04bfaa38c81a72c953771c9199213506c4496145c

    SHA512

    26f7a15333ce7f95dfc980ba76675d90d5d64a3d0b08ffa5fb71b77740b99944aac158fe79a9dca4a19cd4bbef47a169a3f26a22e9652c7b15c1a59ebae1f1b5

  • C:\Users\Admin\AppData\Roaming\Audiient\amxredit.exe
    Filesize

    388KB

    MD5

    155203d92c9d8514fdea49e38d796a2d

    SHA1

    95730596a750676d8649ced7233f2e6da29a7f0f

    SHA256

    3305c317a914b61dbf2d6cadfe845f60b8e54c0c2b66a52e46027dd4b26af2f1

    SHA512

    6ff8269a57be0a6198f3fd78c154ffd9f96936bf5e248c2208fd9938d6c4174334ce733866312eb71cb6149d1d1b2bd2b55417222d18c8ab118658efabf8c2ea

  • C:\Users\Admin\AppData\Roaming\Audiient\amxredit.exe
    Filesize

    388KB

    MD5

    155203d92c9d8514fdea49e38d796a2d

    SHA1

    95730596a750676d8649ced7233f2e6da29a7f0f

    SHA256

    3305c317a914b61dbf2d6cadfe845f60b8e54c0c2b66a52e46027dd4b26af2f1

    SHA512

    6ff8269a57be0a6198f3fd78c154ffd9f96936bf5e248c2208fd9938d6c4174334ce733866312eb71cb6149d1d1b2bd2b55417222d18c8ab118658efabf8c2ea

  • \Users\Admin\AppData\Roaming\Audiient\amxredit.exe
    Filesize

    388KB

    MD5

    155203d92c9d8514fdea49e38d796a2d

    SHA1

    95730596a750676d8649ced7233f2e6da29a7f0f

    SHA256

    3305c317a914b61dbf2d6cadfe845f60b8e54c0c2b66a52e46027dd4b26af2f1

    SHA512

    6ff8269a57be0a6198f3fd78c154ffd9f96936bf5e248c2208fd9938d6c4174334ce733866312eb71cb6149d1d1b2bd2b55417222d18c8ab118658efabf8c2ea

  • \Users\Admin\AppData\Roaming\Audiient\amxredit.exe
    Filesize

    388KB

    MD5

    155203d92c9d8514fdea49e38d796a2d

    SHA1

    95730596a750676d8649ced7233f2e6da29a7f0f

    SHA256

    3305c317a914b61dbf2d6cadfe845f60b8e54c0c2b66a52e46027dd4b26af2f1

    SHA512

    6ff8269a57be0a6198f3fd78c154ffd9f96936bf5e248c2208fd9938d6c4174334ce733866312eb71cb6149d1d1b2bd2b55417222d18c8ab118658efabf8c2ea

  • memory/1304-74-0x00000000025F0000-0x0000000002665000-memory.dmp
    Filesize

    468KB

  • memory/1304-73-0x00000000025F0000-0x0000000002665000-memory.dmp
    Filesize

    468KB

  • memory/1312-58-0x0000000000000000-mapping.dmp
  • memory/1720-60-0x0000000000000000-mapping.dmp
  • memory/1964-57-0x00000000001B0000-0x00000000001E0000-memory.dmp
    Filesize

    192KB

  • memory/1964-54-0x0000000075401000-0x0000000075403000-memory.dmp
    Filesize

    8KB

  • memory/1964-55-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/2004-71-0x00000000003E0000-0x0000000000455000-memory.dmp
    Filesize

    468KB

  • memory/2004-70-0x0000000000000000-mapping.dmp
  • memory/2004-72-0x00000000003E0000-0x0000000000455000-memory.dmp
    Filesize

    468KB

  • memory/2040-69-0x0000000000220000-0x0000000000250000-memory.dmp
    Filesize

    192KB

  • memory/2040-67-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/2040-64-0x0000000000000000-mapping.dmp