tofsee | 7eec0b84366d92033888fb9def21b46b1d0351de031703e35cc182529682f27a

General

Target

2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe
Size

12.4MB
MD5

e72355b4a0464e46c38ca6b00eb1c8e8
SHA1

73f4fda83748ad83cb959734b1efb871f990289b
SHA256

7eec0b84366d92033888fb9def21b46b1d0351de031703e35cc182529682f27a
SHA512

0080f7c14d7582f89555ecb28d7d8e2eb7064048db8c356429b4972d4368d600552bd8108794f999f5ea962e996a432d373367aadfa84a300404f4e61c5f44d9
SSDEEP

24576:uEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZj:Hfot

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
5000	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\ltqlqiw\ImagePath = "C:\\Windows\\SysWOW64\\ltqlqiw\\tphhetsg.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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe

Deletes itself 1 IoCs

pid	Process
640	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1116	tphhetsg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1116 set thread context of 640	1116	tphhetsg.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
4548	sc.exe
2580	sc.exe
2268	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
408	216	WerFault.exe	82
1192	1116	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	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.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	tphhetsg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 4792	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	86
PID 216 wrote to memory of 4792	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	86
PID 216 wrote to memory of 4792	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	86
PID 216 wrote to memory of 4108	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	88
PID 216 wrote to memory of 4108	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	88
PID 216 wrote to memory of 4108	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	88
PID 216 wrote to memory of 4548	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	90
PID 216 wrote to memory of 4548	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	90
PID 216 wrote to memory of 4548	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	90
PID 216 wrote to memory of 2580	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	92
PID 216 wrote to memory of 2580	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	92
PID 216 wrote to memory of 2580	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	92
PID 216 wrote to memory of 2268	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	94
PID 216 wrote to memory of 2268	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	94
PID 216 wrote to memory of 2268	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	94
PID 216 wrote to memory of 5000	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	97
PID 216 wrote to memory of 5000	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	97
PID 216 wrote to memory of 5000	216	2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe	97
PID 1116 wrote to memory of 640	1116	tphhetsg.exe	102
PID 1116 wrote to memory of 640	1116	tphhetsg.exe	102
PID 1116 wrote to memory of 640	1116	tphhetsg.exe	102
PID 1116 wrote to memory of 640	1116	tphhetsg.exe	102
PID 1116 wrote to memory of 640	1116	tphhetsg.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ltqlqiw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tphhetsg.exe" C:\Windows\SysWOW64\ltqlqiw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4108
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ltqlqiw binPath= "C:\Windows\SysWOW64\ltqlqiw\tphhetsg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4548
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ltqlqiw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ltqlqiw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2268
- 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:5000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 1036
  2⤵
  - Program crash
  PID:408

C:\Windows\SysWOW64\ltqlqiw\tphhetsg.exe
C:\Windows\SysWOW64\ltqlqiw\tphhetsg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_e72355b4a0464e46c38ca6b00eb1c8e8_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 508
  2⤵
  - Program crash
  PID:1192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 216 -ip 216
1⤵
PID:936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1116 -ip 1116
1⤵
PID:1012

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\tphhetsg.exe

Filesize
11.6MB

MD5
e674817236a53b8cc010ab259ce5fe02

SHA1
a1209aefcef70ab47a624b479fa0505bfe6a7a00

SHA256
2e3a86e7d7a0b02edb59a9b5258b43d3e7512b1d235b5e85c0dff04b5444a4ae

SHA512
7b0daa394e1feb71f4a555365391fd18c5ef4c26aaeb4a6401f6e81b7af8fad472bc6fd74d4e9739bfd87c7a602aa582e2c9ac9b1c4444b2220434e4221067d3

Download Submit
memory/216-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/216-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/216-2-0x0000000000540000-0x0000000000553000-memory.dmp

Filesize
76KB

Download
memory/216-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/216-8-0x0000000000540000-0x0000000000553000-memory.dmp

Filesize
76KB

Download
memory/216-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/640-14-0x00000000012A0000-0x00000000012B5000-memory.dmp

Filesize
84KB

Download
memory/640-16-0x00000000012A0000-0x00000000012B5000-memory.dmp

Filesize
84KB

Download
memory/640-17-0x00000000012A0000-0x00000000012B5000-memory.dmp

Filesize
84KB

Download
memory/1116-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1116-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1116-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1116-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads