Overview

overview

10

Static

static

3

2025-03-30...ys.exe

windows7-x64

10

2025-03-30...ys.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2025, 21:03

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General

  • Target

    2025-03-30_8fae0351e92916053681e654ab099267_mafia_rhadamanthys.exe

  • Size

    14.9MB

  • MD5

    8fae0351e92916053681e654ab099267

  • SHA1

    da74e342fdd5c80d3b34e04f74369fcc088daa64

  • SHA256

    b8e3d9a36d04a45c9cde5ae9f53d6fb709e599eee11a7396b9e2216fb7cb733d

  • SHA512

    fb468556e5a71977e8cccb0a0f3680cfca513f823d1d3bc752776c26b920533165650d734aa2e18d9eed7c86eae9e3ed49e47e8584a54d816ae758a86d5b38a2

  • SSDEEP

    49152:sLFuiE8888888888888888888888888888888888888888888888888888888888:sLM

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
  • Windows security bypass 2 TTPs 1 IoCs
    defense_evasiontrojan
  • 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
  • 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
  • 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 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-30_8fae0351e92916053681e654ab099267_mafia_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_8fae0351e92916053681e654ab099267_mafia_rhadamanthys.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ermfmtha\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2664
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yssjuduw.exe" C:\Windows\SysWOW64\ermfmtha\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2740
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ermfmtha binPath= "C:\Windows\SysWOW64\ermfmtha\yssjuduw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_8fae0351e92916053681e654ab099267_mafia_rhadamanthys.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2376
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ermfmtha "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2780
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ermfmtha
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2724
    • 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:2676
  • C:\Windows\SysWOW64\ermfmtha\yssjuduw.exe
    C:\Windows\SysWOW64\ermfmtha\yssjuduw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_8fae0351e92916053681e654ab099267_mafia_rhadamanthys.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2776
    • 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:2508

Network

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

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

    12.3MB

    MD5

    09747a9fda62fabfa6195ad2156a1c4b

    SHA1

    2d6832067d8225d294d30ead33822ff545f2faf7

    SHA256

    87a07a81d55b218455540bb2920d3e01443193a79cadee169b5f2ae9a980ab8f

    SHA512

    69392095c81387419f98e810924eae50640f57506c05c1c3a70ddba48c5f9d5bf83a9e5085914c053a7b2d108725f8682e08162c49ca97e79801b842bbfa5127

    Download Submit

  • memory/2508-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2508-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2508-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2508-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2508-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2776-12-0x0000000000400000-0x0000000002DBF000-memory.dmp

    Filesize

    41.7MB

    Download

  • memory/3040-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/3040-2-0x00000000002B0000-0x00000000002C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/3040-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/3040-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/3040-15-0x00000000002B0000-0x00000000002C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/3040-14-0x0000000000400000-0x0000000002DBF000-memory.dmp

    Filesize

    41.7MB

    Download