Analysis

  • max time kernel
    143s
  • 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 19:00

General

  • Target

    2025-01-24_85a5bd14d17d2d89c5bfacfb40edc002_mafia.exe

  • Size

    13.2MB

  • MD5

    85a5bd14d17d2d89c5bfacfb40edc002

  • SHA1

    e5c23c076a94260ee8bc036886d51ad6137fc5bd

  • SHA256

    fa16b5b7081d04851b9d783814f767671682cf1f3771d84dc8c40d7f1e80a1a4

  • SHA512

    50e8fd220961349538101a92f420961cc22155a3c30aa3869766b831a32f7cd800da35fafe87f5f22947fcc8e3b8b53ad33c28e3b553e683cafdf4ffd7b8837a

  • SSDEEP

    24576:mEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZp:ffot

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_85a5bd14d17d2d89c5bfacfb40edc002_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-24_85a5bd14d17d2d89c5bfacfb40edc002_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qfaqzwgp\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1224
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\izvctswa.exe" C:\Windows\SysWOW64\qfaqzwgp\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1672
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create qfaqzwgp binPath= "C:\Windows\SysWOW64\qfaqzwgp\izvctswa.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_85a5bd14d17d2d89c5bfacfb40edc002_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2400
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description qfaqzwgp "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3048
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start qfaqzwgp
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2928
    • 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:2072
  • C:\Windows\SysWOW64\qfaqzwgp\izvctswa.exe
    C:\Windows\SysWOW64\qfaqzwgp\izvctswa.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_85a5bd14d17d2d89c5bfacfb40edc002_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3040
    • 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:3060

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
    20.112.250.133
    microsoft.com
    IN A
    20.76.201.171
    microsoft.com
    IN A
    20.231.239.246
    microsoft.com
    IN A
    20.70.246.20
  • 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
    52.101.11.0
    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
    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
    67.195.228.106
    mta5.am0.yahoodns.net
    IN A
    67.195.228.109
    mta5.am0.yahoodns.net
    IN A
    67.195.228.94
    mta5.am0.yahoodns.net
    IN A
    67.195.204.79
    mta5.am0.yahoodns.net
    IN A
    98.136.96.77
    mta5.am0.yahoodns.net
    IN A
    98.136.96.91
    mta5.am0.yahoodns.net
    IN A
    67.195.204.72
    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
    142.251.173.27
    smtp.google.com
    IN A
    142.251.168.27
    smtp.google.com
    IN A
    142.251.168.26
    smtp.google.com
    IN A
    64.233.184.26
    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
    217.69.139.150
    mxs.mail.ru
    IN A
    94.100.180.31
  • 20.236.44.162:80
    microsoft.com
    svchost.exe
    190 B
    92 B
    4
    2
  • 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
  • 67.195.228.106:25
    mta5.am0.yahoodns.net
    svchost.exe
    152 B
    3
  • 142.251.173.27:25
    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

    20.236.44.162
    20.112.250.133
    20.76.201.171
    20.231.239.246
    20.70.246.20

  • 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
    52.101.11.0
    52.101.8.49
    52.101.42.0

  • 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
    mta5.am0.yahoodns.net
    dns
    svchost.exe
    67 B
    195 B
    1
    1

    DNS Request

    mta5.am0.yahoodns.net

    DNS Response

    67.195.228.106
    67.195.228.109
    67.195.228.94
    67.195.204.79
    98.136.96.77
    98.136.96.91
    67.195.204.72
    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

    142.251.173.27
    142.251.168.27
    142.251.168.26
    64.233.184.26
    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

    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\izvctswa.exe

    Filesize

    12.3MB

    MD5

    a0a014337fb65786680299c6cc409153

    SHA1

    811aea2814d1af6c3e2c72ae12a5c44ccaa54268

    SHA256

    0c899506b88ed96bde171c7e3e035df681848fd8bacd716e1a05fbf2db35e509

    SHA512

    298ab9e06386a6fa807e14bbc5d9a29bd1ee91732e8f3d539a1f92940c42f2293b576385fcc89c4d220cf4eeb2b55f1f5e4f71c3983c6236ee01019b2899b9bc

  • memory/2228-7-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2228-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2228-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2228-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2228-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2228-1-0x0000000000250000-0x0000000000350000-memory.dmp

    Filesize

    1024KB

  • memory/3040-17-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/3060-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3060-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3060-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3060-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3060-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

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