tofsee | 338ea31e70c7bf2d624456f598f5e3fab2682d2c488f1640d7cd3edac83eae6b

General

Target

2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe
Size

10.6MB
MD5

6b076874c6200d76d204917cf7c71d9a
SHA1

45879ab3bc8fcd0e5e3af42313066f5bc3160cc9
SHA256

338ea31e70c7bf2d624456f598f5e3fab2682d2c488f1640d7cd3edac83eae6b
SHA512

4df0a824f18bc63bde91b77d38b3ce11784a5e8dc668004abacde6bd3d72b1eff8a7c684800b43a922a689400be8f04ba4e1634396a7f70793fa9237677c4dab
SSDEEP

6144:9LQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ1:uTYe+D2jFu+iZoUFhAz

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
1428	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\mznrmcna\ImagePath = "C:\\Windows\\SysWOW64\\mznrmcna\\hugdwjoy.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe

Deletes itself 1 IoCs

pid	Process
1484	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1188	hugdwjoy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1188 set thread context of 1484	1188	hugdwjoy.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
4456	sc.exe
3912	sc.exe
2164	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
4552	3664	WerFault.exe	84
1436	1188	WerFault.exe	96

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	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.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
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	hugdwjoy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 2896	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	85
PID 3664 wrote to memory of 2896	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	85
PID 3664 wrote to memory of 2896	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	85
PID 3664 wrote to memory of 916	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	87
PID 3664 wrote to memory of 916	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	87
PID 3664 wrote to memory of 916	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	87
PID 3664 wrote to memory of 4456	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	89
PID 3664 wrote to memory of 4456	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	89
PID 3664 wrote to memory of 4456	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	89
PID 3664 wrote to memory of 3912	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	91
PID 3664 wrote to memory of 3912	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	91
PID 3664 wrote to memory of 3912	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	91
PID 3664 wrote to memory of 2164	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	94
PID 3664 wrote to memory of 2164	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	94
PID 3664 wrote to memory of 2164	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	94
PID 3664 wrote to memory of 1428	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	97
PID 3664 wrote to memory of 1428	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	97
PID 3664 wrote to memory of 1428	3664	2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe	97
PID 1188 wrote to memory of 1484	1188	hugdwjoy.exe	102
PID 1188 wrote to memory of 1484	1188	hugdwjoy.exe	102
PID 1188 wrote to memory of 1484	1188	hugdwjoy.exe	102
PID 1188 wrote to memory of 1484	1188	hugdwjoy.exe	102
PID 1188 wrote to memory of 1484	1188	hugdwjoy.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mznrmcna\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hugdwjoy.exe" C:\Windows\SysWOW64\mznrmcna\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mznrmcna binPath= "C:\Windows\SysWOW64\mznrmcna\hugdwjoy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4456
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mznrmcna "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3912
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mznrmcna
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2164
- 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:1428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 800
  2⤵
  - Program crash
  PID:4552

C:\Windows\SysWOW64\mznrmcna\hugdwjoy.exe
C:\Windows\SysWOW64\mznrmcna\hugdwjoy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 532
  2⤵
  - Program crash
  PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3664 -ip 3664
1⤵
PID:3680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1188 -ip 1188
1⤵
PID:4984

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\hugdwjoy.exe

Filesize
10.3MB

MD5
8db5b53fe80b613a2442b1e55a94f0c6

SHA1
46e63111a722e481a29e4f846d77d126fc6605ef

SHA256
576f609db6d054160cb37b8213cdc12b872d3ce780b0530c97043cbc69514cb8

SHA512
0e6a595a8853a20b764ce3dcce2645f13e4238b2c49ecb61aa0754c0071b77cdf9bde3186f9e194aeff61324a98fcda3b9d8237e2f737de3ab031b5002795bf2

Download Submit
memory/1188-19-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1188-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1188-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1188-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1484-20-0x0000000001290000-0x00000000012A5000-memory.dmp

Filesize
84KB

Download
memory/1484-22-0x0000000001290000-0x00000000012A5000-memory.dmp

Filesize
84KB

Download
memory/1484-21-0x0000000001290000-0x00000000012A5000-memory.dmp

Filesize
84KB

Download
memory/1484-14-0x0000000001290000-0x00000000012A5000-memory.dmp

Filesize
84KB

Download
memory/1484-11-0x0000000001290000-0x00000000012A5000-memory.dmp

Filesize
84KB

Download
memory/3664-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3664-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3664-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/3664-16-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/3664-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3664-2-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads