Analysis

  • max time kernel
    144s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 18:55

General

  • Target

    2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe

  • Size

    10.0MB

  • MD5

    607550a914787aab3fa1b8809482f62a

  • SHA1

    44d1170f7a2df77bd26317f2995fb89f1929f96f

  • SHA256

    cb2dc76593135bd01f4c56b8692cc72da95b4177dff085cc47277005d85f1698

  • SHA512

    d747d3daca4d7590556d7dd5df8433b7fa3a928d237a7b7139081f90556361737b059908ffa8a1d2b8f461da6ac414ff685cda8f580ad3ca07fa9345f3155181

  • SSDEEP

    196608:HyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:SXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

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\2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oammjcji\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lngryguk.exe" C:\Windows\SysWOW64\oammjcji\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2668
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create oammjcji binPath= "C:\Windows\SysWOW64\oammjcji\lngryguk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2568
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description oammjcji "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2056
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start oammjcji
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2500
    • 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:2524
  • C:\Windows\SysWOW64\oammjcji\lngryguk.exe
    C:\Windows\SysWOW64\oammjcji\lngryguk.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • 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:2484

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
    20.70.246.20
    microsoft.com
    IN A
    20.112.250.133
    microsoft.com
    IN A
    20.236.44.162
    microsoft.com
    IN A
    20.231.239.246
    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
    52.101.11.3
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.41.28
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.9.0
    microsoft-com.mail.protection.outlook.com
    IN A
    52.101.10.1
  • 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
    mta5�.
    yahoo.com
    IN MX
    mta6�.
  • 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
    98.136.96.77
    mta7.am0.yahoodns.net
    IN A
    98.136.96.75
    mta7.am0.yahoodns.net
    IN A
    67.195.228.106
    mta7.am0.yahoodns.net
    IN A
    67.195.228.111
    mta7.am0.yahoodns.net
    IN A
    98.136.96.74
    mta7.am0.yahoodns.net
    IN A
    67.195.204.79
    mta7.am0.yahoodns.net
    IN A
    67.195.204.77
    mta7.am0.yahoodns.net
    IN A
    67.195.228.109
  • 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
    142.251.168.26
    smtp.google.com
    IN A
    64.233.184.26
    smtp.google.com
    IN A
    142.251.173.26
    smtp.google.com
    IN A
    142.251.168.27
    smtp.google.com
    IN A
    64.233.184.27
  • 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
  • 20.70.246.20:80
    microsoft.com
    svchost.exe
    190 B
    92 B
    4
    2
  • 52.101.11.3:25
    microsoft-com.mail.protection.outlook.com
    svchost.exe
    152 B
    3
  • 43.231.4.7:443
    svchost.exe
    152 B
    3
  • 98.136.96.77:25
    mta7.am0.yahoodns.net
    svchost.exe
    152 B
    3
  • 142.251.168.26:25
    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

    20.70.246.20
    20.112.250.133
    20.236.44.162
    20.231.239.246
    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

    52.101.11.3
    52.101.41.28
    52.101.9.0
    52.101.10.1

  • 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

    98.136.96.77
    98.136.96.75
    67.195.228.106
    67.195.228.111
    98.136.96.74
    67.195.204.79
    67.195.204.77
    67.195.228.109

  • 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

    142.251.168.26
    64.233.184.26
    142.251.173.26
    142.251.168.27
    64.233.184.27

  • 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\lngryguk.exe

    Filesize

    11.8MB

    MD5

    cf81f02d6ea77f26d144140be173c647

    SHA1

    56aa86c47d48d5746d29af7f086281ee6a2f71e9

    SHA256

    ca448f109383acab653f2a85367215e49c97c93584530aa5a3aa84243b4727df

    SHA512

    27f88badc13e5c09ba0d122ed650e3920788012252255162b991e658158c3d51b97067bd1f709b67f9331958b7d39a1dab48188850058c13c1098882b1cab1f0

  • memory/1728-17-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2484-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2484-16-0x0000000000090000-0x00000000000A5000-memory.dmp

    Filesize

    84KB

  • memory/2484-14-0x0000000000090000-0x00000000000A5000-memory.dmp

    Filesize

    84KB

  • memory/2484-11-0x0000000000090000-0x00000000000A5000-memory.dmp

    Filesize

    84KB

  • memory/2484-18-0x0000000000090000-0x00000000000A5000-memory.dmp

    Filesize

    84KB

  • memory/2908-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2908-7-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2908-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2908-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2908-1-0x0000000000570000-0x0000000000670000-memory.dmp

    Filesize

    1024KB

  • memory/2908-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

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