Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 09:23

General

  • Target

    JaffaCakes118_acbd0cb684e9de0adb01111e9bbbc1eee0152946829aae3325c9ab9741bc33f4.exe

  • Size

    166KB

  • MD5

    c98ac74e312f4db649bee71480ccd6fb

  • SHA1

    6344d3f82ad4f1ca3a0474ed972865267e11ad4e

  • SHA256

    acbd0cb684e9de0adb01111e9bbbc1eee0152946829aae3325c9ab9741bc33f4

  • SHA512

    eb037e296abcc88db7e804096ff1eb68303c9694d4ac41356f0656050acc9fee0b5a7b1a8f7b1b58759942ec1430e659b03cf241351a659394a288d4db2c122c

  • SSDEEP

    3072:eaMIRpw+UbMXI/C06vRLzFZ/S5XJNCa5xuv+fXyX:RxUgv0657/S5puW/

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Tofsee family
  • Windows security bypass 2 TTPs 1 IoCs
  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_acbd0cb684e9de0adb01111e9bbbc1eee0152946829aae3325c9ab9741bc33f4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_acbd0cb684e9de0adb01111e9bbbc1eee0152946829aae3325c9ab9741bc33f4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ozhkfwtk\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2452
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hkdljltd.exe" C:\Windows\SysWOW64\ozhkfwtk\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2924
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ozhkfwtk binPath= "C:\Windows\SysWOW64\ozhkfwtk\hkdljltd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_acbd0cb684e9de0adb01111e9bbbc1eee0152946829aae3325c9ab9741bc33f4.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2232
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ozhkfwtk "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2948
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ozhkfwtk
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2784
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2084
  • C:\Windows\SysWOW64\ozhkfwtk\hkdljltd.exe
    C:\Windows\SysWOW64\ozhkfwtk\hkdljltd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_acbd0cb684e9de0adb01111e9bbbc1eee0152946829aae3325c9ab9741bc33f4.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2752

Network

  • flag-us
    DNS
    microsoft.com
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    microsoft.com
    IN A
    Response
    microsoft.com
    IN A
    20.112.250.133
    microsoft.com
    IN A
    20.70.246.20
    microsoft.com
    IN A
    20.76.201.171
    microsoft.com
    IN A
    20.231.239.246
    microsoft.com
    IN A
    20.236.44.162
  • flag-us
    DNS
    microsoft.com
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    microsoft.com
    IN MX
    Response
    microsoft.com
    IN MX
    microsoft-commail protectionoutlook�
  • flag-us
    DNS
    microsoft-com.mail.protection.outlook.com
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    microsoft-com.mail.protection.outlook.com
    IN A
    Response
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.8.49
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.40.26
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.11.0
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.42.0
  • flag-us
    DNS
    defeatwax.ru
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    defeatwax.ru
    IN A
    Response
  • flag-us
    DNS
    yahoo.com
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    yahoo.com
    IN MX
    Response
    yahoo.com
    IN MX
    mta5am0yahoodnsnet
    yahoo.com
    IN MX
    mta7�.
    yahoo.com
    IN MX
    mta6�.
  • flag-us
    DNS
    mta5.am0.yahoodns.net
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    mta5.am0.yahoodns.net
    IN A
    Response
    mta5.am0.yahoodns.net
    IN A
    98.136.96.74
    mta5.am0.yahoodns.net
    IN A
    67.195.228.111
    mta5.am0.yahoodns.net
    IN A
    67.195.204.72
    mta5.am0.yahoodns.net
    IN A
    98.136.96.76
    mta5.am0.yahoodns.net
    IN A
    98.136.96.91
    mta5.am0.yahoodns.net
    IN A
    67.195.228.106
    mta5.am0.yahoodns.net
    IN A
    67.195.204.73
    mta5.am0.yahoodns.net
    IN A
    98.136.96.75
  • flag-us
    DNS
    google.com
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    google.com
    IN MX
    Response
    google.com
    IN MX
    smtp�
  • flag-us
    DNS
    smtp.google.com
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    smtp.google.com
    IN A
    Response
    smtp.google.com
    IN A
    142.250.27.26
    smtp.google.com
    IN A
    142.250.102.26
    smtp.google.com
    IN A
    142.250.27.27
    smtp.google.com
    IN A
    142.250.102.27
  • flag-us
    DNS
    mail.ru
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    mail.ru
    IN MX
    Response
    mail.ru
    IN MX
    mxs�
  • flag-us
    DNS
    mail.ru
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    mail.ru
    IN MX
  • flag-us
    DNS
    mxs.mail.ru
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    mxs.mail.ru
    IN A
    Response
    mxs.mail.ru
    IN A
    94.100.180.31
    mxs.mail.ru
    IN A
    217.69.139.150
  • flag-us
    DNS
    refabyd.info
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    refabyd.info
    IN A
    Response
  • 20.112.250.133:80
    microsoft.com
    svchost.exe
    190 B
    92 B
    4
    2
  • 52.101.8.49:25
    microsoft-com.mail.protection.outlook.com
    svchost.exe
    152 B
    3
  • 98.136.96.74:25
    mta5.am0.yahoodns.net
    svchost.exe
    152 B
    3
  • 142.250.27.26:25
    smtp.google.com
    svchost.exe
    152 B
    3
  • 94.100.180.31:25
    mxs.mail.ru
    svchost.exe
    152 B
    3
  • 8.8.8.8:53
    microsoft.com
    dns
    svchost.exe
    59 B
    139 B
    1
    1

    DNS Request

    microsoft.com

    DNS Response

    20.112.250.133
    20.70.246.20
    20.76.201.171
    20.231.239.246
    20.236.44.162

  • 8.8.8.8:53
    microsoft.com
    dns
    svchost.exe
    59 B
    113 B
    1
    1

    DNS Request

    microsoft.com

  • 8.8.8.8:53
    microsoft-com.mail.protection.outlook.com
    dns
    svchost.exe
    87 B
    151 B
    1
    1

    DNS Request

    microsoft-com.mail.protection.outlook.com

    DNS Response

    52.101.8.49
    52.101.40.26
    52.101.11.0
    52.101.42.0

  • 8.8.8.8:53
    defeatwax.ru
    dns
    svchost.exe
    58 B
    119 B
    1
    1

    DNS Request

    defeatwax.ru

  • 8.8.8.8:53
    yahoo.com
    dns
    svchost.exe
    55 B
    134 B
    1
    1

    DNS Request

    yahoo.com

  • 8.8.8.8:53
    mta5.am0.yahoodns.net
    dns
    svchost.exe
    67 B
    195 B
    1
    1

    DNS Request

    mta5.am0.yahoodns.net

    DNS Response

    98.136.96.74
    67.195.228.111
    67.195.204.72
    98.136.96.76
    98.136.96.91
    67.195.228.106
    67.195.204.73
    98.136.96.75

  • 8.8.8.8:53
    google.com
    dns
    svchost.exe
    56 B
    77 B
    1
    1

    DNS Request

    google.com

  • 8.8.8.8:53
    smtp.google.com
    dns
    svchost.exe
    61 B
    125 B
    1
    1

    DNS Request

    smtp.google.com

    DNS Response

    142.250.27.26
    142.250.102.26
    142.250.27.27
    142.250.102.27

  • 8.8.8.8:53
    mail.ru
    dns
    svchost.exe
    106 B
    73 B
    2
    1

    DNS Request

    mail.ru

    DNS Request

    mail.ru

  • 8.8.8.8:53
    mxs.mail.ru
    dns
    svchost.exe
    57 B
    89 B
    1
    1

    DNS Request

    mxs.mail.ru

    DNS Response

    94.100.180.31
    217.69.139.150

  • 8.8.8.8:53
    refabyd.info
    dns
    svchost.exe
    58 B
    137 B
    1
    1

    DNS Request

    refabyd.info

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\hkdljltd.exe

    Filesize

    12.4MB

    MD5

    a4869b8ee96dc4672b1e600f702a1390

    SHA1

    051c3e57b1cebc82485578b9ccff36978296ff85

    SHA256

    77a96bde27ef521a651ed7aa9851a9620beece44148db4cfe6d21f467ae6f7ce

    SHA512

    954d35363d1767c25f614085d44213b4e23291a66cfcec71b2915687cdda9b33ee3cb297639f857d8c51858092c2cd536e0b1e7503e21c1855882f5be5bca18b

  • memory/1824-1-0x0000000000650000-0x0000000000750000-memory.dmp

    Filesize

    1024KB

  • memory/1824-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1824-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/1824-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1824-8-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2752-10-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2752-15-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2752-13-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2752-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2752-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2868-16-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

We care about your privacy.

This website stores cookies on your computer. These cookies are used to improve your website experience and provide more personalized services to you, both on this website and through other media. To find out more about the cookies we use, see our Privacy Policy.