tofsee | a51519e61a97c8604ee59ff7d041604094d7f75e3c5c15c59cebee44eb8d7146

General

Target

2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe
Size

13.2MB
MD5

ea224388b4e876dc9b37724ee20f15f3
SHA1

0d5a7b79e2775a3927aacf1a619f256bca67f23c
SHA256

a51519e61a97c8604ee59ff7d041604094d7f75e3c5c15c59cebee44eb8d7146
SHA512

f47274f54587cbba207e4b19c8ed5d744e2881afca6e74de4364acc88b75d8eb3a5e810330a16e7e586e35089e59cc1391195a19f703062566128b990ad904bb
SSDEEP

393216:cXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

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
4276	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\yxxrrpmw\ImagePath = "C:\\Windows\\SysWOW64\\yxxrrpmw\\ltimzxgg.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe

Deletes itself 1 IoCs

pid	Process
2204	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4556	ltimzxgg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4556 set thread context of 2204	4556	ltimzxgg.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
2016	sc.exe
1228	sc.exe
920	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 opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

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	netsh.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ltimzxgg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 4000	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	83
PID 636 wrote to memory of 4000	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	83
PID 636 wrote to memory of 4000	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	83
PID 636 wrote to memory of 4572	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	85
PID 636 wrote to memory of 4572	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	85
PID 636 wrote to memory of 4572	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	85
PID 636 wrote to memory of 2016	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	87
PID 636 wrote to memory of 2016	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	87
PID 636 wrote to memory of 2016	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	87
PID 636 wrote to memory of 1228	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	89
PID 636 wrote to memory of 1228	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	89
PID 636 wrote to memory of 1228	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	89
PID 636 wrote to memory of 920	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	92
PID 636 wrote to memory of 920	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	92
PID 636 wrote to memory of 920	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	92
PID 4556 wrote to memory of 2204	4556	ltimzxgg.exe	95
PID 4556 wrote to memory of 2204	4556	ltimzxgg.exe	95
PID 4556 wrote to memory of 2204	4556	ltimzxgg.exe	95
PID 4556 wrote to memory of 2204	4556	ltimzxgg.exe	95
PID 4556 wrote to memory of 2204	4556	ltimzxgg.exe	95
PID 636 wrote to memory of 4276	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	96
PID 636 wrote to memory of 4276	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	96
PID 636 wrote to memory of 4276	636	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	96

C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yxxrrpmw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ltimzxgg.exe" C:\Windows\SysWOW64\yxxrrpmw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4572
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yxxrrpmw binPath= "C:\Windows\SysWOW64\yxxrrpmw\ltimzxgg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2016
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yxxrrpmw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start yxxrrpmw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:920
- 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:4276

C:\Windows\SysWOW64\yxxrrpmw\ltimzxgg.exe
C:\Windows\SysWOW64\yxxrrpmw\ltimzxgg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2204

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\ltimzxgg.exe

Filesize
10.3MB

MD5
8f4fb3fb5bc715f037e94c3d1eec6bc2

SHA1
d90d7f939d291a3d8e0033fb0a83d7508865d26f

SHA256
e8a97c376cf95f940a8fc575729b3a47b9119da569073daac4d4c11a8734974c

SHA512
80823fccf4ca8bdaad74458c9f0b06c4e1c7425002a2042cb3460198f7fd5e2ef569bd05eab77d805df701adb56f165f857aec13ae9b3519f095292018850b59

Download Submit
memory/636-14-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/636-2-0x00000000004B0000-0x00000000004C3000-memory.dmp

Filesize
76KB

Download
memory/636-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/636-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/636-19-0x00000000004B0000-0x00000000004C3000-memory.dmp

Filesize
76KB

Download
memory/636-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/636-18-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2204-22-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/2204-15-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/2204-21-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/2204-11-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/2204-23-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/4556-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4556-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4556-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4556-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads