tofsee | 3a26167f9e1aa82428260ee8aed579e5e484d5b2265e3a841be71cdd958de1b4

General

Target

2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe
Size

11.1MB
MD5

ee12a4ff337df96e36254ddef7306765
SHA1

5be86f4762736106a2762e8901b0352a31ca3033
SHA256

3a26167f9e1aa82428260ee8aed579e5e484d5b2265e3a841be71cdd958de1b4
SHA512

7d7361ccb8ebab742fa6f1921242c8b8d1f2328c3dd57b4bdc507b523314999d5a2e94dc0f30b2992fbcea35fe9ee6f1f6a58bb638794763ea9b73c4d1d38e29
SSDEEP

24576:JXzqpE5DpEMMMMMMMb4zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzh:JXPVpEMMMMMMMbQ

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

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.
trojan tofsee
Tofsee family
tofsee
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5828	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\Control Panel\International\Geo\Nation	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe

Executes dropped EXE 1 IoCs

pid	Process
4184	fmzzcnfa.exe

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4460	sc.exe
1980	sc.exe
5840	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3240	1896	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 4224	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	108
PID 1896 wrote to memory of 4224	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	108
PID 1896 wrote to memory of 4224	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	108
PID 1896 wrote to memory of 5400	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	110
PID 1896 wrote to memory of 5400	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	110
PID 1896 wrote to memory of 5400	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	110
PID 1896 wrote to memory of 5840	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	112
PID 1896 wrote to memory of 5840	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	112
PID 1896 wrote to memory of 5840	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	112
PID 1896 wrote to memory of 4460	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	114
PID 1896 wrote to memory of 4460	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	114
PID 1896 wrote to memory of 4460	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	114
PID 1896 wrote to memory of 1980	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	116
PID 1896 wrote to memory of 1980	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	116
PID 1896 wrote to memory of 1980	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	116
PID 1896 wrote to memory of 5828	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	119
PID 1896 wrote to memory of 5828	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	119
PID 1896 wrote to memory of 5828	1896	2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	119

C:\Users\Admin\AppData\Local\Temp\2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vconjecr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fmzzcnfa.exe" C:\Windows\SysWOW64\vconjecr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5400
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vconjecr binPath= "C:\Windows\SysWOW64\vconjecr\fmzzcnfa.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vconjecr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4460
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vconjecr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1980
- 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:5828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 1028
  2⤵
  - Program crash
  PID:3240

C:\Windows\SysWOW64\vconjecr\fmzzcnfa.exe
C:\Windows\SysWOW64\vconjecr\fmzzcnfa.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_ee12a4ff337df96e36254ddef7306765_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe"
1⤵
- Executes dropped EXE
PID:4184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1896 -ip 1896
1⤵
PID:6060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

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

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

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\fmzzcnfa.exe

Filesize
13.4MB

MD5
ab0605311d5a2c1d0fe8aaee175e8674

SHA1
899813f61b57cd23710a091a631c846869809896

SHA256
fc8b173a29faa2103be84f2f5799b90863b1c8f62c5f1a116026d318cfbee5b5

SHA512
e5036473f99e574e43f1592d190c386fae60cf8c267c56fa9c961ea9bde4c435c132a9b0c1975161e5a1c4856f2757e1a45400a96aa8ce5c59b25ed9a6d10f42

Download Submit
memory/1896-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/1896-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1896-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1896-6-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1896-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1896-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1896-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads