tofsee | 083a33ce3a987a07edf0bb6f6632a3a9146e408863bb1bb66a734c1efd68777f

General

Target

2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe
Size

10.9MB
MD5

36ba13f7b6dd4a1d2ffba1695c990bca
SHA1

c21b84141dddf4ce114452d600c54a4344734c84
SHA256

083a33ce3a987a07edf0bb6f6632a3a9146e408863bb1bb66a734c1efd68777f
SHA512

c685a98a97e88457c9b3da85d48bbc7e61ddf4413fc875697d0886f062e9dafa4bde53951e68a09adf4f57e0025449eebe7840fba1037096497cbb0cb5270b43
SSDEEP

6144:5rpR8A6n7KzdbpQNU+yyYqrUdE05deEOxO:5rpjqm5lf+yyYVE0PWU

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
5064	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\hpxgoifz\ImagePath = "C:\\Windows\\SysWOW64\\hpxgoifz\\snrjzkmk.exe"	svchost.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-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe

Deletes itself 1 IoCs

pid	Process
4040	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3472	snrjzkmk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3472 set thread context of 4040	3472	snrjzkmk.exe	109

Launches sc.exe 3 IoCs

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

pid	Process
4672	sc.exe
4928	sc.exe
4888	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2936	1800	WerFault.exe	85
4600	3472	WerFault.exe	103

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	snrjzkmk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2204	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	89
PID 1800 wrote to memory of 2204	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	89
PID 1800 wrote to memory of 2204	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	89
PID 1800 wrote to memory of 4988	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	91
PID 1800 wrote to memory of 4988	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	91
PID 1800 wrote to memory of 4988	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	91
PID 1800 wrote to memory of 4672	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	95
PID 1800 wrote to memory of 4672	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	95
PID 1800 wrote to memory of 4672	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	95
PID 1800 wrote to memory of 4928	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	97
PID 1800 wrote to memory of 4928	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	97
PID 1800 wrote to memory of 4928	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	97
PID 1800 wrote to memory of 4888	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	101
PID 1800 wrote to memory of 4888	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	101
PID 1800 wrote to memory of 4888	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	101
PID 1800 wrote to memory of 5064	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	104
PID 1800 wrote to memory of 5064	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	104
PID 1800 wrote to memory of 5064	1800	2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe	104
PID 3472 wrote to memory of 4040	3472	snrjzkmk.exe	109
PID 3472 wrote to memory of 4040	3472	snrjzkmk.exe	109
PID 3472 wrote to memory of 4040	3472	snrjzkmk.exe	109
PID 3472 wrote to memory of 4040	3472	snrjzkmk.exe	109
PID 3472 wrote to memory of 4040	3472	snrjzkmk.exe	109

C:\Users\Admin\AppData\Local\Temp\2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hpxgoifz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2204
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\snrjzkmk.exe" C:\Windows\SysWOW64\hpxgoifz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hpxgoifz binPath= "C:\Windows\SysWOW64\hpxgoifz\snrjzkmk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_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:4672
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hpxgoifz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4928
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hpxgoifz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4888
- 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:5064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 724
  2⤵
  - Program crash
  PID:2936

C:\Windows\SysWOW64\hpxgoifz\snrjzkmk.exe
C:\Windows\SysWOW64\hpxgoifz\snrjzkmk.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_36ba13f7b6dd4a1d2ffba1695c990bca_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 528
  2⤵
  - Program crash
  PID:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1800 -ip 1800
1⤵
PID:5352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3472 -ip 3472
1⤵
PID:2364

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

Modify Registry

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\snrjzkmk.exe

Filesize
14.4MB

MD5
d45f21b3af65ed516461dc67d47ca043

SHA1
859e067cda2fa0b105f65121afa70a8d883b6b00

SHA256
a7b716175733bb2e59c8a7f0d8e975e78a5f6184ac5f3ea1c93e86f956b89cf9

SHA512
782158af36d27f0a2eb476afa77a0480a6aa56221a9ae56d473444fe4c0153c89acb388ee5ca7aaaac94d2a6cf2f59846edb953f1c17decebaf4aef7f5bd6cc9

Download Submit
memory/1800-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1800-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1800-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/1800-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/1800-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1800-1-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/3472-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3472-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3472-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3472-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4040-14-0x0000000000780000-0x0000000000795000-memory.dmp

Filesize
84KB

Download
memory/4040-16-0x0000000000780000-0x0000000000795000-memory.dmp

Filesize
84KB

Download
memory/4040-17-0x0000000000780000-0x0000000000795000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads