Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 05:53

General

  • Target

    c12142a8710fe99c29101f78dd31d5d7_JaffaCakes118.exe

  • Size

    13.5MB

  • MD5

    c12142a8710fe99c29101f78dd31d5d7

  • SHA1

    4c638ca8cdb0c581ba1323101b485973d724b917

  • SHA256

    2dd88c2cf5f3ad49a46e6cfb88ec470423992ea5365fb55f7890af7e3d704662

  • SHA512

    0944f49c54d4f488d55a477ff3767c72a3807148718e63745cf0795b570be48a7baf6fb3d5f19747918897c5cce588d1fcc60bbd6b91bfdc85de0546d9b64100

  • SSDEEP

    49152:RT81MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMk:RT8

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\c12142a8710fe99c29101f78dd31d5d7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c12142a8710fe99c29101f78dd31d5d7_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nqwutneb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2316
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kcltqdpj.exe" C:\Windows\SysWOW64\nqwutneb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1616
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create nqwutneb binPath= "C:\Windows\SysWOW64\nqwutneb\kcltqdpj.exe /d\"C:\Users\Admin\AppData\Local\Temp\c12142a8710fe99c29101f78dd31d5d7_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2856
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description nqwutneb "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2988
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start nqwutneb
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3056
    • 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:2800
  • C:\Windows\SysWOW64\nqwutneb\kcltqdpj.exe
    C:\Windows\SysWOW64\nqwutneb\kcltqdpj.exe /d"C:\Users\Admin\AppData\Local\Temp\c12142a8710fe99c29101f78dd31d5d7_JaffaCakes118.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2764
    • 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:2412

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
    20.236.44.162
    microsoft.com
    IN A
    20.70.246.20
    microsoft.com
    IN A
    20.76.201.171
    microsoft.com
    IN A
    20.112.250.133
    microsoft.com
    IN A
    20.231.239.246
  • 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
    52.101.11.0
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.40.26
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.8.49
    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
    67.195.228.111
    mta5.am0.yahoodns.net
    IN A
    67.195.204.74
    mta5.am0.yahoodns.net
    IN A
    67.195.228.94
    mta5.am0.yahoodns.net
    IN A
    98.136.96.76
    mta5.am0.yahoodns.net
    IN A
    67.195.228.106
    mta5.am0.yahoodns.net
    IN A
    67.195.228.110
    mta5.am0.yahoodns.net
    IN A
    67.195.228.109
    mta5.am0.yahoodns.net
    IN A
    98.136.96.74
  • 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
    64.233.184.26
    smtp.google.com
    IN A
    142.251.173.26
    smtp.google.com
    IN A
    142.251.173.27
    smtp.google.com
    IN A
    64.233.184.27
    smtp.google.com
    IN A
    74.125.206.27
  • 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
    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
  • 20.236.44.162:80
    microsoft.com
    svchost.exe
    190 B
    92 B
    4
    2
  • 52.101.11.0:25
    microsoft-com.mail.protection.outlook.com
    svchost.exe
    152 B
    3
  • 67.195.228.111:25
    mta5.am0.yahoodns.net
    svchost.exe
    152 B
    3
  • 64.233.184.26:25
    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

    20.236.44.162
    20.70.246.20
    20.76.201.171
    20.112.250.133
    20.231.239.246

  • 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

    52.101.11.0
    52.101.40.26
    52.101.8.49
    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

    67.195.228.111
    67.195.204.74
    67.195.228.94
    98.136.96.76
    67.195.228.106
    67.195.228.110
    67.195.228.109
    98.136.96.74

  • 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
    141 B
    1
    1

    DNS Request

    smtp.google.com

    DNS Response

    64.233.184.26
    142.251.173.26
    142.251.173.27
    64.233.184.27
    74.125.206.27

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

    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

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Downloads

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

    Filesize

    12.6MB

    MD5

    d0f144519fee9b6477379326a7a646d7

    SHA1

    6cd9d34384ae0beb4b673cfea8edc8cc066f10f1

    SHA256

    f5ca3b52a067b27f936abafbdff905869c546b584b56783f112102adb13d5a1d

    SHA512

    b93df02fd45f3d2b86bd7b1afd61ee758120f44308da7f889219736f5cf6dd89f32252f1cb96a8f9db622aa3df70cc00c93751868e8e8e271264c83436733890

  • memory/2412-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2412-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2412-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2412-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2412-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2496-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

    Filesize

    1024KB

  • memory/2496-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2496-8-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2496-10-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2496-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2496-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2764-16-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

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