Analysis

  • max time kernel
    144s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2025, 18:57 UTC

General

  • Target

    2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe

  • Size

    10.2MB

  • MD5

    c8291924dd7c790b362a85bf777d4eb7

  • SHA1

    97c860da7c187d8c5c9c673a071d13c39c9ad06e

  • SHA256

    58b0447f5e751cabb6553ed60b096418578287989f251b40c0dfbd56956b5d3f

  • SHA512

    2667135b74828195109c913ed5deb9a3d9e8be72e2675025c36537a64343da4309e5244864a4d22321c0200d8b7079542557478dae4056a7a9904ac70fe60ee1

  • SSDEEP

    24576:RpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttl:roo

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\2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jspmzryz\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2748
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dqczsfku.exe" C:\Windows\SysWOW64\jspmzryz\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2692
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create jspmzryz binPath= "C:\Windows\SysWOW64\jspmzryz\dqczsfku.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3056
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description jspmzryz "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2944
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start jspmzryz
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2996
    • 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:2956
  • C:\Windows\SysWOW64\jspmzryz\dqczsfku.exe
    C:\Windows\SysWOW64\jspmzryz\dqczsfku.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2708
    • 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:2552

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
    20.231.239.246
    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
    20.236.44.162
  • 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
    52.101.42.0
    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
    52.101.8.49
  • 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
    mta6�.
    yahoo.com
    IN MX
    mta7�.
  • 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
    67.195.228.94
    mta5.am0.yahoodns.net
    IN A
    67.195.204.72
    mta5.am0.yahoodns.net
    IN A
    67.195.228.109
    mta5.am0.yahoodns.net
    IN A
    67.195.228.110
    mta5.am0.yahoodns.net
    IN A
    67.195.204.73
    mta5.am0.yahoodns.net
    IN A
    67.195.228.111
    mta5.am0.yahoodns.net
    IN A
    67.195.204.79
    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
    142.250.110.26
    smtp.google.com
    IN A
    142.251.168.27
    smtp.google.com
    IN A
    142.251.5.26
    smtp.google.com
    IN A
    142.250.110.27
    smtp.google.com
    IN A
    142.251.5.27
  • 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
  • 20.231.239.246:80
    microsoft.com
    svchost.exe
    190 B
    132 B
    4
    3
  • 52.101.42.0:25
    microsoft-com.mail.protection.outlook.com
    svchost.exe
    152 B
    3
  • 43.231.4.7:443
    svchost.exe
    152 B
    3
  • 67.195.228.94:25
    mta5.am0.yahoodns.net
    svchost.exe
    152 B
    3
  • 142.250.110.26:25
    smtp.google.com
    svchost.exe
    152 B
    3
  • 43.231.4.7:443
    svchost.exe
    152 B
    3
  • 94.100.180.31:25
    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

    20.231.239.246
    20.70.246.20
    20.76.201.171
    20.112.250.133
    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

    52.101.42.0
    52.101.40.26
    52.101.11.0
    52.101.8.49

  • 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

    67.195.228.94
    67.195.204.72
    67.195.228.109
    67.195.228.110
    67.195.204.73
    67.195.228.111
    67.195.204.79
    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
    141 B
    1
    1

    DNS Request

    smtp.google.com

    DNS Response

    142.250.110.26
    142.251.168.27
    142.251.5.26
    142.250.110.27
    142.251.5.27

  • 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

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    14.1MB

    MD5

    9d8fe9addca5fdf2cc128f73825764e5

    SHA1

    a63e0e11f73c7631e1d03f1fc3ef929ca106242f

    SHA256

    13bae627fd31cf4e27389cd519e1d9a9f722dfb6af1268d7d3eeaf4148cc31c5

    SHA512

    0d78ace8687a385e53589704dfc3ec3a230f2c9fb253e7ef943cbdf7cff0cc8d203da8a4f123757b5af1befd03cb4bc2039f8dc6a0cec34c011ec49093a84aab

  • memory/2552-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2552-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2552-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2552-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2552-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2708-13-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/3028-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3028-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/3028-1-0x0000000000530000-0x0000000000630000-memory.dmp

    Filesize

    1024KB

  • memory/3028-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/3028-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3028-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

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