Overview

overview

10

Static

static

3

2025-02-01...ia.exe

windows7-x64

10

2025-02-01...ia.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2025, 20:06 UTC

Sharing

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General

  • Target

    2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe

  • Size

    13.7MB

  • MD5

    3c2bc3d86ab2c59bb8db6437b7ecd18f

  • SHA1

    c6eac3932bca6f8e34a5a055c24f2d567b14f7b0

  • SHA256

    6ba765a740a33a897e20816576017b80d636ee49a108edeb56555351012c5e2b

  • SHA512

    b4cff121925a952ef420e3a9a95d93360198773960ee4dc865f0a569868638f2d71e2eadbc53694d0084728d31e2b53a635c2db13c884e0845d98976ed9989d7

  • SSDEEP

    24576:8EfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZr:5fot

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

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.

    trojantofsee
  • Tofsee family
    tofsee
  • Creates new service(s) 2 TTPs
    persistenceexecution
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

    persistenceprivilege_escalation
  • Program crash 2 IoCs
  • 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.

    discovery
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\biithjwr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1344
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tcwbtsnj.exe" C:\Windows\SysWOW64\biithjwr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2360
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create biithjwr binPath= "C:\Windows\SysWOW64\biithjwr\tcwbtsnj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:640
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description biithjwr "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1412
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start biithjwr
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4464
    • 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:4968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 1040
      2⤵
      • Program crash
      PID:1560
  • C:\Windows\SysWOW64\biithjwr\tcwbtsnj.exe
    C:\Windows\SysWOW64\biithjwr\tcwbtsnj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 560
      2⤵
      • Program crash
      PID:3296
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2976 -ip 2976
    1⤵
      PID:5060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2840 -ip 2840
      1⤵
        PID:4852

      Network

      • flag-us
        DNS
        8.8.8.8.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        8.8.8.8.in-addr.arpa
        IN PTR
        Response
        8.8.8.8.in-addr.arpa
        IN PTR
        dnsgoogle
      • flag-us
        DNS
        71.159.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        71.159.190.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        172.214.232.199.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        172.214.232.199.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        57.169.31.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        57.169.31.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        microsoft.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        microsoft.com
        IN A
        Response
        microsoft.com
        IN A
        20.76.201.171
        microsoft.com
        IN A
        20.70.246.20
        microsoft.com
        IN A
        20.112.250.133
        microsoft.com
        IN A
        20.231.239.246
        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
        52.101.40.26
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.42.0
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.8.49
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.11.0
      • flag-us
        DNS
        171.201.76.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        171.201.76.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        197.87.175.4.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        197.87.175.4.in-addr.arpa
        IN PTR
        Response
      • 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
        67.195.204.74
        mta5.am0.yahoodns.net
        IN A
        67.195.228.106
        mta5.am0.yahoodns.net
        IN A
        67.195.204.73
        mta5.am0.yahoodns.net
        IN A
        98.136.96.75
        mta5.am0.yahoodns.net
        IN A
        98.136.96.76
        mta5.am0.yahoodns.net
        IN A
        67.195.228.94
        mta5.am0.yahoodns.net
        IN A
        98.136.96.91
        mta5.am0.yahoodns.net
        IN A
        98.136.96.74
      • flag-us
        DNS
        206.23.85.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        206.23.85.13.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        167.190.18.2.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        167.190.18.2.in-addr.arpa
        IN PTR
        Response
        167.190.18.2.in-addr.arpa
        IN PTR
        a2-18-190-167deploystaticakamaitechnologiescom
      • 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
        66.102.1.26
        smtp.google.com
        IN A
        142.251.5.27
        smtp.google.com
        IN A
        142.251.5.26
        smtp.google.com
        IN A
        142.250.110.27
      • flag-us
        DNS
        181.129.81.91.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        181.129.81.91.in-addr.arpa
        IN PTR
        Response
      • 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
      • flag-us
        DNS
        85.49.80.91.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        85.49.80.91.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        43.229.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        43.229.111.52.in-addr.arpa
        IN PTR
        Response
      • 20.76.201.171:80
        microsoft.com
        svchost.exe
        190 B
         132 B
         4
        3
      • 52.101.40.26:25
        microsoft-com.mail.protection.outlook.com
        svchost.exe
        260 B
         5
      • 43.231.4.7:443
        svchost.exe
        260 B
         5
      • 67.195.204.74:25
        mta5.am0.yahoodns.net
        svchost.exe
        260 B
         5
      • 142.250.110.26:25
        smtp.google.com
        svchost.exe
        260 B
         5
      • 43.231.4.7:443
        svchost.exe
        260 B
         5
      • 217.69.139.150:25
        mxs.mail.ru
        svchost.exe
        260 B
         5
      • 43.231.4.7:443
        svchost.exe
        260 B
         5
      • 8.8.8.8:53
        8.8.8.8.in-addr.arpa
        dns
        66 B
         90 B
         1
        1

        DNS Request

        8.8.8.8.in-addr.arpa

      • 8.8.8.8:53
        71.159.190.20.in-addr.arpa
        dns
        72 B
         158 B
         1
        1

        DNS Request

        71.159.190.20.in-addr.arpa

      • 8.8.8.8:53
        172.214.232.199.in-addr.arpa
        dns
        74 B
         128 B
         1
        1

        DNS Request

        172.214.232.199.in-addr.arpa

      • 8.8.8.8:53
        57.169.31.20.in-addr.arpa
        dns
        71 B
         157 B
         1
        1

        DNS Request

        57.169.31.20.in-addr.arpa

      • 8.8.8.8:53
        microsoft.com
        dns
        svchost.exe
        59 B
         139 B
         1
        1

        DNS Request

        microsoft.com

        DNS Response

        20.76.201.171
        20.70.246.20
        20.112.250.133
        20.231.239.246
        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

        52.101.40.26
        52.101.42.0
        52.101.8.49
        52.101.11.0

      • 8.8.8.8:53
        171.201.76.20.in-addr.arpa
        dns
        72 B
         158 B
         1
        1

        DNS Request

        171.201.76.20.in-addr.arpa

      • 8.8.8.8:53
        197.87.175.4.in-addr.arpa
        dns
        71 B
         157 B
         1
        1

        DNS Request

        197.87.175.4.in-addr.arpa

      • 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

        67.195.204.74
        67.195.228.106
        67.195.204.73
        98.136.96.75
        98.136.96.76
        67.195.228.94
        98.136.96.91
        98.136.96.74

      • 8.8.8.8:53
        206.23.85.13.in-addr.arpa
        dns
        71 B
         145 B
         1
        1

        DNS Request

        206.23.85.13.in-addr.arpa

      • 8.8.8.8:53
        167.190.18.2.in-addr.arpa
        dns
        71 B
         135 B
         1
        1

        DNS Request

        167.190.18.2.in-addr.arpa

      • 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
        66.102.1.26
        142.251.5.27
        142.251.5.26
        142.250.110.27

      • 8.8.8.8:53
        181.129.81.91.in-addr.arpa
        dns
        72 B
         147 B
         1
        1

        DNS Request

        181.129.81.91.in-addr.arpa

      • 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

      • 8.8.8.8:53
        85.49.80.91.in-addr.arpa
        dns
        70 B
         145 B
         1
        1

        DNS Request

        85.49.80.91.in-addr.arpa

      • 8.8.8.8:53
        43.229.111.52.in-addr.arpa
        dns
        72 B
         158 B
         1
        1

        DNS Request

        43.229.111.52.in-addr.arpa

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      System Services

      1
      T1569

      Service Execution

      1
      T1569.002

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Create or Modify System Process

      2
      T1543

      Windows Service

      2
      T1543.003

      Event Triggered Execution

      1
      T1546

      Netsh Helper DLL

      1
      T1546.007

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Create or Modify System Process

      2
      T1543

      Windows Service

      2
      T1543.003

      Event Triggered Execution

      1
      T1546

      Netsh Helper DLL

      1
      T1546.007

      Defense Evasion

      Impair Defenses

      1
      T1562

      Disable or Modify System Firewall

      1
      T1562.004

      Modify Registry

      1
      T1112

      Credential Access

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Lateral Movement

      Collection

      Command and Control

      Exfiltration

      Impact

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tcwbtsnj.exe
        Filesize

        14.5MB

        MD5

        79d3aa1ff7f9fea650dd98669bf36aa0

        SHA1

        6895a20dfd15185c70c5b118e3868319d25a7a61

        SHA256

        5cbb9a806c1ad8df7eabd5d48274236c9fea5efe16ce71abc23ba3e4aa11dd35

        SHA512

        1de2971b8353a70d41768e8b02cfbb9eb16f2482cba5ee5d9b13a2d7d7d822892936b43ea0c428667c5829e3f1aab6d64c43d9a41fb4e8f33fc9cf46981e3834

        Download Submit

      • memory/1472-14-0x0000000000A60000-0x0000000000A75000-memory.dmp

        Filesize

        84KB

        Download

      • memory/1472-16-0x0000000000A60000-0x0000000000A75000-memory.dmp

        Filesize

        84KB

        Download

      • memory/1472-17-0x0000000000A60000-0x0000000000A75000-memory.dmp

        Filesize

        84KB

        Download

      • memory/2840-12-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/2840-11-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/2840-13-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/2840-18-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/2976-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

        Download

      • memory/2976-2-0x0000000000570000-0x0000000000583000-memory.dmp

        Filesize

        76KB

        Download

      • memory/2976-9-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

        Download

      • memory/2976-8-0x0000000000570000-0x0000000000583000-memory.dmp

        Filesize

        76KB

        Download

      • memory/2976-7-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/2976-1-0x0000000000770000-0x0000000000870000-memory.dmp

        Filesize

        1024KB

        Download

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