Analysis

  • max time kernel
    143s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2025 06:02

General

  • Target

    2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe

  • Size

    10.1MB

  • MD5

    220d68c1d332753c1d9bb34d47f66739

  • SHA1

    446daa197e7347902249fbac629ab9d132afd08b

  • SHA256

    d89b5b4cb51017fe20af1e97e2e361750e9fcdc287b7fce99065b552226497af

  • SHA512

    bacc9c6342c1beb70bf7832e45b2280d815021d1cee45ea8f91846c2e80c1b2291babe4c91b2569ec8405c982d7997fcc430d7004bfcff9dfcb26dd287c8f6fb

  • SSDEEP

    24576:MEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZd:Jfot

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\2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cmkglydr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2756
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pkogwhjh.exe" C:\Windows\SysWOW64\cmkglydr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2788
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create cmkglydr binPath= "C:\Windows\SysWOW64\cmkglydr\pkogwhjh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2564
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description cmkglydr "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2552
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start cmkglydr
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1676
    • 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:2548
  • C:\Windows\SysWOW64\cmkglydr\pkogwhjh.exe
    C:\Windows\SysWOW64\cmkglydr\pkogwhjh.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2532
    • 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:2184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    10.3MB

    MD5

    975ecfc5c7ccc8adf21bb41f48ff9e33

    SHA1

    f49556fc9c5d850c2d7b8ac00d4a0d56642429fd

    SHA256

    0d1ff3e501a38d0b2df67ca026f565253fc0c13c976eafc21f86c98b529e7acf

    SHA512

    76e8f6808777af918e871a3214cd72580f32b83911a5f8fb88f2032b54533dcf46b65cb3e10c4e06fe8ae9bde1a59cd163b347e0f50d3808bfa981ff6d2f9a40

  • memory/2184-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2184-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2184-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2184-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2184-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2532-17-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2668-7-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2668-8-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2668-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2668-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2668-4-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2668-1-0x0000000000580000-0x0000000000680000-memory.dmp

    Filesize

    1024KB