Overview

overview

10

Static

static

3

2025-04-04...ys.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2025, 05:04

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General

  • Target

    2025-04-04_7338124f67fd8e4e0712a842d9b2e3f4_mafia_rhadamanthys.exe

  • Size

    12.4MB

  • MD5

    7338124f67fd8e4e0712a842d9b2e3f4

  • SHA1

    970b2f68db7da47d05c39aad87a6a79eb8f411d7

  • SHA256

    ded0c51b324961ebb655dd7a7a1d2a0af738403893e692a6dc58d5a6760dbd69

  • SHA512

    f0f168b3fcfb1dd49618881742f56bd513f6465fe97c23e63a88faa93a681bebe82f2867c6516ea98816aa288c1788846431b5b7fd2a51f9685cc73a3bc9553c

  • SSDEEP

    393216:fXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

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
  • 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\2025-04-04_7338124f67fd8e4e0712a842d9b2e3f4_mafia_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-04_7338124f67fd8e4e0712a842d9b2e3f4_mafia_rhadamanthys.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ynslqsgu\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3456
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kgyyvkjx.exe" C:\Windows\SysWOW64\ynslqsgu\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2704
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ynslqsgu binPath= "C:\Windows\SysWOW64\ynslqsgu\kgyyvkjx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-04-04_7338124f67fd8e4e0712a842d9b2e3f4_mafia_rhadamanthys.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4696
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ynslqsgu "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4716
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ynslqsgu
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2020
    • 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:768
  • C:\Windows\SysWOW64\ynslqsgu\kgyyvkjx.exe
    C:\Windows\SysWOW64\ynslqsgu\kgyyvkjx.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-04-04_7338124f67fd8e4e0712a842d9b2e3f4_mafia_rhadamanthys.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4160

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

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

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Downloads

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

    10.4MB

    MD5

    bd0a4e4e5f55968e45d5dac67d0f2739

    SHA1

    326dbc0edd3cf1800f728912793e322ceff0feb7

    SHA256

    7f3ea3e91afc6aff86869d4ccd12433ad21b03fc747a1358001bf06ad5105793

    SHA512

    528613ed659be2d0f90ecb71f38f7c80f835df2370e22d291d1c55491f01fc6cbd31a88d9ac5dead151060a49f67bde61a32917c9dff5a2420c6c0ce019f5e24

    Download Submit

  • memory/1544-18-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1544-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1544-2-0x0000000000570000-0x0000000000583000-memory.dmp

    Filesize

    76KB

    Download

  • memory/1544-16-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

    Download

  • memory/1544-17-0x0000000000570000-0x0000000000583000-memory.dmp

    Filesize

    76KB

    Download

  • memory/1544-1-0x0000000000680000-0x0000000000780000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/4160-15-0x0000000001200000-0x0000000001215000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4160-10-0x0000000001200000-0x0000000001215000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4160-19-0x0000000001200000-0x0000000001215000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4160-20-0x0000000001200000-0x0000000001215000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4160-21-0x0000000001200000-0x0000000001215000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4904-12-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

    Download

  • memory/4904-9-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

    Download

  • memory/4904-8-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

    Download