Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 20:00

General

  • Target

    2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe

  • Size

    12.9MB

  • MD5

    f29417892dce11496283b972de6c17db

  • SHA1

    92169bca8dd9c3a0baee493b5a7aed68dcfa9fe8

  • SHA256

    7dcae750b86a5d7e0566fabcc931fa332bc69c15e3aae5a7150d0c2f5acff292

  • SHA512

    97362fa5ef352af678d17bd99866ddc9f54414cce51771e82fb73f728bfdb8e87f87384bfa82b72e0b09263b0b47e4cc8068e6c0155087958a3dfa12abd65680

  • SSDEEP

    49152:yqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:yqtYc3

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

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\2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bralpunr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1040
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kxjgzmrb.exe" C:\Windows\SysWOW64\bralpunr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2860
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create bralpunr binPath= "C:\Windows\SysWOW64\bralpunr\kxjgzmrb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2096
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description bralpunr "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2680
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start bralpunr
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2144
    • 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:2880
  • C:\Windows\SysWOW64\bralpunr\kxjgzmrb.exe
    C:\Windows\SysWOW64\bralpunr\kxjgzmrb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2788
    • 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:2784

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
    20.231.239.246
    microsoft.com
    IN A
    20.70.246.20
    microsoft.com
    IN A
    20.112.250.133
    microsoft.com
    IN A
    20.76.201.171
  • 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
    52.101.40.26
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.8.49
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.42.0
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.11.0
  • flag-us
    DNS
    yahoo.com
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    yahoo.com
    IN MX
    Response
    yahoo.com
    IN MX
    mta7am0yahoodnsnet
    yahoo.com
    IN MX
    mta6�.
    yahoo.com
    IN MX
    mta5�.
  • flag-us
    DNS
    mta7.am0.yahoodns.net
    svchost.exe
    Remote address:
    8.8.8.8:53
    Request
    mta7.am0.yahoodns.net
    IN A
    Response
    mta7.am0.yahoodns.net
    IN A
    98.136.96.76
    mta7.am0.yahoodns.net
    IN A
    98.136.96.91
    mta7.am0.yahoodns.net
    IN A
    67.195.228.109
    mta7.am0.yahoodns.net
    IN A
    98.136.96.75
    mta7.am0.yahoodns.net
    IN A
    67.195.204.73
    mta7.am0.yahoodns.net
    IN A
    67.195.228.94
    mta7.am0.yahoodns.net
    IN A
    67.195.228.106
    mta7.am0.yahoodns.net
    IN A
    67.195.204.74
  • 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
    66.102.1.26
    smtp.google.com
    IN A
    142.250.110.27
    smtp.google.com
    IN A
    173.194.76.26
    smtp.google.com
    IN A
    66.102.1.27
    smtp.google.com
    IN A
    142.250.110.26
  • 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
    217.69.139.150
    mxs.mail.ru
    IN A
    94.100.180.31
  • 20.236.44.162:80
    microsoft.com
    svchost.exe
    190 B
    132 B
    4
    3
  • 52.101.40.26:25
    microsoft-com.mail.protection.outlook.com
    svchost.exe
    152 B
    3
  • 43.231.4.7:443
    svchost.exe
    152 B
    3
  • 98.136.96.76:25
    mta7.am0.yahoodns.net
    svchost.exe
    152 B
    3
  • 66.102.1.26:25
    smtp.google.com
    svchost.exe
    152 B
    3
  • 43.231.4.7:443
    svchost.exe
    152 B
    3
  • 217.69.139.150:25
    mxs.mail.ru
    svchost.exe
    152 B
    3
  • 43.231.4.7:443
    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
    20.231.239.246
    20.70.246.20
    20.112.250.133
    20.76.201.171

  • 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

    52.101.40.26
    52.101.8.49
    52.101.42.0
    52.101.11.0

  • 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
    mta7.am0.yahoodns.net
    dns
    svchost.exe
    67 B
    195 B
    1
    1

    DNS Request

    mta7.am0.yahoodns.net

    DNS Response

    98.136.96.76
    98.136.96.91
    67.195.228.109
    98.136.96.75
    67.195.204.73
    67.195.228.94
    67.195.228.106
    67.195.204.74

  • 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

    66.102.1.26
    142.250.110.27
    173.194.76.26
    66.102.1.27
    142.250.110.26

  • 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

    217.69.139.150
    94.100.180.31

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    13.3MB

    MD5

    baf5bf7da4f88e9ac5508de1e05684d9

    SHA1

    9f32f3daca1f2b2ca40023f5f732d40b6aee63e5

    SHA256

    263ef5081a9056e65d5a7f59a164d5cf1dde6448792df70050ef80fe641ca277

    SHA512

    56ea35e07b5b3dd0a85dd0164e8ceab7098e9f1fb5d2ab246e43464f7393b7d184fd4cd8ef75314765b7307555a3c019679c7674a69e47d0a16f1095404225f6

  • memory/2340-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2340-4-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2340-1-0x0000000002F60000-0x0000000003060000-memory.dmp

    Filesize

    1024KB

  • memory/2340-17-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2340-16-0x0000000002F60000-0x0000000003060000-memory.dmp

    Filesize

    1024KB

  • memory/2340-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2340-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2784-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2784-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2784-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2784-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2784-19-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2788-12-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

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.