Analysis

  • max time kernel
    131s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 19:42

General

  • Target

    5ea26dac1374c00472c64c6e2b68688eb7c090bc831026c6386db28555e6b05d.exe

  • Size

    388KB

  • MD5

    5031ce596f9f1898fe11cfa7e8858795

  • SHA1

    ed60c8e01112ae2ae731a34703e241138bd6575d

  • SHA256

    5ea26dac1374c00472c64c6e2b68688eb7c090bc831026c6386db28555e6b05d

  • SHA512

    1bb76a86527720dd7cae237d0f7a8c70583cc9a2fc02dea287f5d60557657343d05487ef7ffe156efda1f09721f7b8a5a00b52cee88f283e2506bec6d9b9284f

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:1184
    • C:\Users\Admin\AppData\Local\Temp\5ea26dac1374c00472c64c6e2b68688eb7c090bc831026c6386db28555e6b05d.exe
      "C:\Users\Admin\AppData\Local\Temp\5ea26dac1374c00472c64c6e2b68688eb7c090bc831026c6386db28555e6b05d.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\28E8\D6.bat" "C:\Users\Admin\AppData\Roaming\avictnet\adsngpui.exe" "C:\Users\Admin\AppData\Local\Temp\5EA26D~1.EXE""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Windows\SysWOW64\cmd.exe
          cmd /C ""C:\Users\Admin\AppData\Roaming\avictnet\adsngpui.exe" "C:\Users\Admin\AppData\Local\Temp\5EA26D~1.EXE""
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:972
          • C:\Users\Admin\AppData\Roaming\avictnet\adsngpui.exe
            "C:\Users\Admin\AppData\Roaming\avictnet\adsngpui.exe" "C:\Users\Admin\AppData\Local\Temp\5EA26D~1.EXE"
            5⤵
            • Executes dropped EXE
            • Deletes itself
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:592
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe
              6⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:1308

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\28E8\D6.bat
    Filesize

    108B

    MD5

    3d9c337d2305043624a0324984a78307

    SHA1

    78834c56bf3edaa53114a2f043038fae766d7085

    SHA256

    307ecb24d02715d360a8c4ee167720d6ec199c8c6adc5bf424b3c808ece057ae

    SHA512

    3ccedc03c005e1898c5380006be0bd34df7c7b079c908573c174b0a0ad7874eff4149b39f6d3ebc8672bb77b83d43964989d1204019bf6f132235ecff0881c7e

  • C:\Users\Admin\AppData\Roaming\avictnet\adsngpui.exe
    Filesize

    388KB

    MD5

    5031ce596f9f1898fe11cfa7e8858795

    SHA1

    ed60c8e01112ae2ae731a34703e241138bd6575d

    SHA256

    5ea26dac1374c00472c64c6e2b68688eb7c090bc831026c6386db28555e6b05d

    SHA512

    1bb76a86527720dd7cae237d0f7a8c70583cc9a2fc02dea287f5d60557657343d05487ef7ffe156efda1f09721f7b8a5a00b52cee88f283e2506bec6d9b9284f

  • C:\Users\Admin\AppData\Roaming\avictnet\adsngpui.exe
    Filesize

    388KB

    MD5

    5031ce596f9f1898fe11cfa7e8858795

    SHA1

    ed60c8e01112ae2ae731a34703e241138bd6575d

    SHA256

    5ea26dac1374c00472c64c6e2b68688eb7c090bc831026c6386db28555e6b05d

    SHA512

    1bb76a86527720dd7cae237d0f7a8c70583cc9a2fc02dea287f5d60557657343d05487ef7ffe156efda1f09721f7b8a5a00b52cee88f283e2506bec6d9b9284f

  • \Users\Admin\AppData\Roaming\avictnet\adsngpui.exe
    Filesize

    388KB

    MD5

    5031ce596f9f1898fe11cfa7e8858795

    SHA1

    ed60c8e01112ae2ae731a34703e241138bd6575d

    SHA256

    5ea26dac1374c00472c64c6e2b68688eb7c090bc831026c6386db28555e6b05d

    SHA512

    1bb76a86527720dd7cae237d0f7a8c70583cc9a2fc02dea287f5d60557657343d05487ef7ffe156efda1f09721f7b8a5a00b52cee88f283e2506bec6d9b9284f

  • \Users\Admin\AppData\Roaming\avictnet\adsngpui.exe
    Filesize

    388KB

    MD5

    5031ce596f9f1898fe11cfa7e8858795

    SHA1

    ed60c8e01112ae2ae731a34703e241138bd6575d

    SHA256

    5ea26dac1374c00472c64c6e2b68688eb7c090bc831026c6386db28555e6b05d

    SHA512

    1bb76a86527720dd7cae237d0f7a8c70583cc9a2fc02dea287f5d60557657343d05487ef7ffe156efda1f09721f7b8a5a00b52cee88f283e2506bec6d9b9284f

  • memory/592-64-0x0000000000000000-mapping.dmp
  • memory/592-67-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/592-69-0x0000000000220000-0x0000000000250000-memory.dmp
    Filesize

    192KB

  • memory/972-60-0x0000000000000000-mapping.dmp
  • memory/1184-72-0x0000000002A30000-0x0000000002AA5000-memory.dmp
    Filesize

    468KB

  • memory/1184-73-0x0000000002A30000-0x0000000002AA5000-memory.dmp
    Filesize

    468KB

  • memory/1308-70-0x0000000000000000-mapping.dmp
  • memory/1308-71-0x00000000003E0000-0x0000000000455000-memory.dmp
    Filesize

    468KB

  • memory/1980-57-0x00000000001C0000-0x00000000001F0000-memory.dmp
    Filesize

    192KB

  • memory/1980-54-0x0000000075C01000-0x0000000075C03000-memory.dmp
    Filesize

    8KB

  • memory/1980-55-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/2024-58-0x0000000000000000-mapping.dmp