Analysis

  • max time kernel
    143s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/01/2025, 19:14 UTC

General

  • Target

    2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe

  • Size

    13.7MB

  • MD5

    a91e967e7f944cbbfc94c3ce18fe1056

  • SHA1

    f91a5deba93700fc9a2daa53e4fa96f856da6c7f

  • SHA256

    459bbacf3bf7e2cf69859f33df878638d43368244a711f55e602ee69f623ee23

  • SHA512

    ad9a754b1fe8ab04d0b60789165d8cd605531a2d5a3c39c04100c1a885f9d618ff3d30fc821c10cf6e6fcf14325827183448a65b696e7c00b7c909e4d74b84ba

  • SSDEEP

    6144:jLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQF:YTYe+D2jFu+iZoUFhAz

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\2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iowxebph\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2572
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\owlpcajj.exe" C:\Windows\SysWOW64\iowxebph\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2872
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create iowxebph binPath= "C:\Windows\SysWOW64\iowxebph\owlpcajj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2136
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description iowxebph "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2816
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start iowxebph
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2764
    • 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:2856
  • C:\Windows\SysWOW64\iowxebph\owlpcajj.exe
    C:\Windows\SysWOW64\iowxebph\owlpcajj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2620
    • 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:2636

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
    20.236.44.162
    microsoft.com
    IN A
    20.112.250.133
    microsoft.com
    IN A
    20.70.246.20
    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
    52.101.42.0
    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
    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
    67.195.228.106
    mta7.am0.yahoodns.net
    IN A
    67.195.204.77
    mta7.am0.yahoodns.net
    IN A
    67.195.204.72
    mta7.am0.yahoodns.net
    IN A
    98.136.96.75
    mta7.am0.yahoodns.net
    IN A
    98.136.96.74
    mta7.am0.yahoodns.net
    IN A
    67.195.228.110
    mta7.am0.yahoodns.net
    IN A
    67.195.204.74
    mta7.am0.yahoodns.net
    IN A
    98.136.96.91
  • 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
    74.125.71.27
    smtp.google.com
    IN A
    74.125.133.26
    smtp.google.com
    IN A
    64.233.166.26
    smtp.google.com
    IN A
    64.233.166.27
    smtp.google.com
    IN A
    74.125.71.26
  • 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
  • 20.231.239.246:80
    microsoft.com
    svchost.exe
    290 B
    168 B
    6
    4
  • 43.231.4.7:443
    svchost.exe
    152 B
    3
  • 52.101.40.26:25
    microsoft-com.mail.protection.outlook.com
    svchost.exe
    152 B
    3
  • 67.195.228.106:25
    mta7.am0.yahoodns.net
    svchost.exe
    152 B
    3
  • 74.125.71.27:25
    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

    20.231.239.246
    20.236.44.162
    20.112.250.133
    20.70.246.20
    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
    52.101.42.0
    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
    mta7.am0.yahoodns.net
    dns
    svchost.exe
    67 B
    195 B
    1
    1

    DNS Request

    mta7.am0.yahoodns.net

    DNS Response

    67.195.228.106
    67.195.204.77
    67.195.204.72
    98.136.96.75
    98.136.96.74
    67.195.228.110
    67.195.204.74
    98.136.96.91

  • 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

    74.125.71.27
    74.125.133.26
    64.233.166.26
    64.233.166.27
    74.125.71.26

  • 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

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Downloads

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

    Filesize

    12.6MB

    MD5

    901fd1c9104f5cfd884c488b38b74085

    SHA1

    6fe290a772e8c974b3353b8b09a1a2bd9402f166

    SHA256

    1166491cc4095ef2dfe4a5b1e8173a59d01d39c596781367da58bab91ee10df0

    SHA512

    4e825c34b02671087533daacd605c47f936edfe165a7fe9335982846c9dff6ccc84e072e63f9df20626a36db2a6964d570955e8ac4eb2109d31071516cd2155f

  • memory/2548-7-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2548-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2548-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2548-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2548-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2548-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/2620-17-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2636-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2636-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2636-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2636-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2636-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

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