Overview

overview

10

Static

static

3

2025-01-30...ia.exe

windows7-x64

10

2025-01-30...ia.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/01/2025, 20:04 UTC

Sharing

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General

  • Target

    2025-01-30_91db8558eace068815dcf94fe9d7120d_mafia.exe

  • Size

    11.5MB

  • MD5

    91db8558eace068815dcf94fe9d7120d

  • SHA1

    b74cc681cce044dca82a8c87fa5fee2f56a1157c

  • SHA256

    7cdc6699ebba552973ec083185ad2f4fdb9b7c3917cc459f5e9013ca62a5b813

  • SHA512

    2f2579188eebb85eea26334b8c1eb0ecc581846c61faeccf0e2132e4ad93627f423abf92dacfb16047c0a74535a09468582ba8563958a99e28d768365711d858

  • SSDEEP

    3072:mLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/T:POMdRQr7OB0ypmMXnl8XEPM3noSWOCa

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\2025-01-30_91db8558eace068815dcf94fe9d7120d_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-30_91db8558eace068815dcf94fe9d7120d_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vdlrsssk\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3928
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xfuyljss.exe" C:\Windows\SysWOW64\vdlrsssk\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4016
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create vdlrsssk binPath= "C:\Windows\SysWOW64\vdlrsssk\xfuyljss.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_91db8558eace068815dcf94fe9d7120d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3184
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description vdlrsssk "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2748
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start vdlrsssk
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2384
    • 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:1616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 772
      2⤵
      • Program crash
      PID:4848
  • C:\Windows\SysWOW64\vdlrsssk\xfuyljss.exe
    C:\Windows\SysWOW64\vdlrsssk\xfuyljss.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_91db8558eace068815dcf94fe9d7120d_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 512
      2⤵
      • Program crash
      PID:3064
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5068 -ip 5068
    1⤵
      PID:3464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3256 -ip 3256
      1⤵
        PID:2388

      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
        67.160.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        67.160.190.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        55.36.223.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        55.36.223.20.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
        20.112.250.133
        microsoft.com
        IN A
        20.76.201.171
        microsoft.com
        IN A
        20.231.239.246
        microsoft.com
        IN A
        20.236.44.162
        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
        52.101.42.0
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.11.0
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.40.26
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.8.49
      • flag-us
        DNS
        133.250.112.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        133.250.112.20.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
        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
        67.195.228.110
        mta5.am0.yahoodns.net
        IN A
        67.195.204.73
        mta5.am0.yahoodns.net
        IN A
        98.136.96.77
        mta5.am0.yahoodns.net
        IN A
        67.195.228.111
        mta5.am0.yahoodns.net
        IN A
        98.136.96.75
        mta5.am0.yahoodns.net
        IN A
        67.195.204.77
        mta5.am0.yahoodns.net
        IN A
        67.195.204.79
        mta5.am0.yahoodns.net
        IN A
        67.195.228.109
      • flag-us
        DNS
        50.23.12.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        50.23.12.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        171.39.242.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        171.39.242.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        180.129.81.91.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        180.129.81.91.in-addr.arpa
        IN PTR
        Response
      • 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
        142.250.110.27
        smtp.google.com
        IN A
        142.251.5.27
        smtp.google.com
        IN A
        66.102.1.26
        smtp.google.com
        IN A
        142.251.168.27
      • 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
      • flag-us
        DNS
        172.210.232.199.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        172.210.232.199.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        48.229.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        48.229.111.52.in-addr.arpa
        IN PTR
        Response
      • 20.112.250.133:80
        microsoft.com
        svchost.exe
        190 B
         92 B
         4
        2
      • 52.101.42.0:25
        microsoft-com.mail.protection.outlook.com
        svchost.exe
        260 B
         5
      • 43.231.4.7:443
        svchost.exe
        260 B
         5
      • 67.195.228.110:25
        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
        67.160.190.20.in-addr.arpa
        dns
        72 B
         158 B
         1
        1

        DNS Request

        67.160.190.20.in-addr.arpa

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

        DNS Request

        55.36.223.20.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

        20.112.250.133
        20.76.201.171
        20.231.239.246
        20.236.44.162
        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

        52.101.42.0
        52.101.11.0
        52.101.40.26
        52.101.8.49

      • 8.8.8.8:53
        133.250.112.20.in-addr.arpa
        dns
        73 B
         159 B
         1
        1

        DNS Request

        133.250.112.20.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

        67.195.228.110
        67.195.204.73
        98.136.96.77
        67.195.228.111
        98.136.96.75
        67.195.204.77
        67.195.204.79
        67.195.228.109

      • 8.8.8.8:53
        50.23.12.20.in-addr.arpa
        dns
        70 B
         156 B
         1
        1

        DNS Request

        50.23.12.20.in-addr.arpa

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

        DNS Request

        171.39.242.20.in-addr.arpa

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

        DNS Request

        180.129.81.91.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
        142.250.110.27
        142.251.5.27
        66.102.1.26
        142.251.168.27

      • 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

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

        DNS Request

        172.210.232.199.in-addr.arpa

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

        DNS Request

        48.229.111.52.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\xfuyljss.exe
        Filesize

        10.7MB

        MD5

        b4cbf0931f8b00da082b0092d79d9ab6

        SHA1

        0b496e782260c7b22622440d6de565e4c4853054

        SHA256

        540ec9cbabe2a9c42047d7c1a3ec0bbd6e9a9c92f41dfedcbe379475a2a785ba

        SHA512

        5d199bcd9f643083f46bb1504238b48a9074c98cad5109e2dc32696f8bde4e39f2bf83776106262a8f4021b5e0730606a6e187af21a714d74dcac1ede06007dc

        Download Submit

      • memory/3256-13-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/3256-12-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/3256-11-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/3256-19-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/4444-14-0x0000000000C00000-0x0000000000C15000-memory.dmp

        Filesize

        84KB

        Download

      • memory/4444-16-0x0000000000C00000-0x0000000000C15000-memory.dmp

        Filesize

        84KB

        Download

      • memory/4444-17-0x0000000000C00000-0x0000000000C15000-memory.dmp

        Filesize

        84KB

        Download

      • memory/5068-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

        Download

      • memory/5068-2-0x00000000004B0000-0x00000000004C3000-memory.dmp

        Filesize

        76KB

        Download

      • memory/5068-8-0x00000000004B0000-0x00000000004C3000-memory.dmp

        Filesize

        76KB

        Download

      • memory/5068-7-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

        Download

      • memory/5068-9-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

        Download

      • memory/5068-1-0x00000000006B0000-0x00000000007B0000-memory.dmp

        Filesize

        1024KB

        Download

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