tofsee | 5d24aa9379dfd9b590efd8e7346fef96609a3d09b99e2bf28ffd8fdc11f204fb

General

Target

2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe
Size

12.4MB
MD5

3c18d492b070d12b0410b79cc5e04490
SHA1

a55d2116d24a0e1d6b19bf7cab14c425bbae3c6f
SHA256

5d24aa9379dfd9b590efd8e7346fef96609a3d09b99e2bf28ffd8fdc11f204fb
SHA512

6de497b6d76c2b875b498a8b279c92a7539284880b28e9d5433653ade9bcd64ee4eaf5e337b240ef7320e29d0fe706c4109cdb41a67ffc64a7458408ef1d32eb
SSDEEP

24576:uEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZD:HfotR

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
4924	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\pzpozzqj\ImagePath = "C:\\Windows\\SysWOW64\\pzpozzqj\\ffgrmnlt.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-1-5-21-70482961-775596374-3727440602-1000\Control Panel\International\Geo\Nation	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe

Deletes itself 1 IoCs

pid	Process
1432	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3348	ffgrmnlt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3348 set thread context of 1432	3348	ffgrmnlt.exe	109

Launches sc.exe 3 IoCs

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

pid	Process
1984	sc.exe
216	sc.exe
2920	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2072	4620	WerFault.exe	84
3408	3348	WerFault.exe	102

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffgrmnlt.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 2744	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	90
PID 4620 wrote to memory of 2744	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	90
PID 4620 wrote to memory of 2744	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	90
PID 4620 wrote to memory of 1396	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	92
PID 4620 wrote to memory of 1396	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	92
PID 4620 wrote to memory of 1396	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	92
PID 4620 wrote to memory of 1984	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	95
PID 4620 wrote to memory of 1984	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	95
PID 4620 wrote to memory of 1984	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	95
PID 4620 wrote to memory of 216	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	98
PID 4620 wrote to memory of 216	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	98
PID 4620 wrote to memory of 216	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	98
PID 4620 wrote to memory of 2920	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	100
PID 4620 wrote to memory of 2920	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	100
PID 4620 wrote to memory of 2920	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	100
PID 4620 wrote to memory of 4924	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	103
PID 4620 wrote to memory of 4924	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	103
PID 4620 wrote to memory of 4924	4620	2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe	103
PID 3348 wrote to memory of 1432	3348	ffgrmnlt.exe	109
PID 3348 wrote to memory of 1432	3348	ffgrmnlt.exe	109
PID 3348 wrote to memory of 1432	3348	ffgrmnlt.exe	109
PID 3348 wrote to memory of 1432	3348	ffgrmnlt.exe	109
PID 3348 wrote to memory of 1432	3348	ffgrmnlt.exe	109

C:\Users\Admin\AppData\Local\Temp\2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pzpozzqj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ffgrmnlt.exe" C:\Windows\SysWOW64\pzpozzqj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1396
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pzpozzqj binPath= "C:\Windows\SysWOW64\pzpozzqj\ffgrmnlt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pzpozzqj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:216
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pzpozzqj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2920
- 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:4924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 1240
  2⤵
  - Program crash
  PID:2072

C:\Windows\SysWOW64\pzpozzqj\ffgrmnlt.exe
C:\Windows\SysWOW64\pzpozzqj\ffgrmnlt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_3c18d492b070d12b0410b79cc5e04490_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3348
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 512
  2⤵
  - Program crash
  PID:3408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4620 -ip 4620
1⤵
PID:4364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3348 -ip 3348
1⤵
PID:4588

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\ffgrmnlt.exe

Filesize
12.2MB

MD5
c1bf30af272d61517d4f3426153b434a

SHA1
5d773495c9a666ed735f8e31a1cb9a23561822ad

SHA256
70411146a82313a750a61102e63b2d2d8bdde3a0ee87a5d9495df71e2719545f

SHA512
08329b9ebcfdd9a58cfd11a215e6356d8ca04f4fc4f32a5e6b210d8928d199bad46b9e377cbba15dfcfd95c044493d49a30fb6eece8013be7fe081e7f1ae0b62

Download Submit
memory/1432-14-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/1432-16-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/1432-17-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/3348-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3348-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3348-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3348-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4620-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4620-1-0x0000000000760000-0x0000000000860000-memory.dmp

Filesize
1024KB

Download
memory/4620-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4620-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4620-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4620-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads