tofsee | 74bd7dc9f31e2ed15b4a5f6b855c60bfb7e9edfa61837a49a3e12ac50a6cee93

General

Target

2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe
Size

15.0MB
MD5

792e3cfa2dffd5d810b91ed078215e83
SHA1

525ce22182a5762c53562774afddeb73d6624548
SHA256

74bd7dc9f31e2ed15b4a5f6b855c60bfb7e9edfa61837a49a3e12ac50a6cee93
SHA512

485154fb67322713eaabeee05db0f6d2fe9a42ac1be3a896c0768c0e6d1d645db9f386901865a507938999b4567d51806ecca3cf627c2187552ccbaa98a29ac4
SSDEEP

6144:0VXdWonWCgHBEJE968VNNXSB3sFD+yZpp:mbnWvHBEJM6WNNCB36D+y

Score

10^/10

tofsee discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3972	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\kftmcebi\ImagePath = "C:\\Windows\\SysWOW64\\kftmcebi\\fwszqptx.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe

Deletes itself 1 IoCs

pid	Process
4584	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3016	fwszqptx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3016 set thread context of 4584	3016	fwszqptx.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
540	sc.exe
4008	sc.exe
1508	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 3 IoCs

pid	pid_target	Process	procid_target
1988	3016	WerFault.exe	94
216	3016	WerFault.exe	94
4392	3016	WerFault.exe	94

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	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	fwszqptx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3264 wrote to memory of 4032	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	84
PID 3264 wrote to memory of 4032	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	84
PID 3264 wrote to memory of 4032	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	84
PID 3264 wrote to memory of 2868	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	86
PID 3264 wrote to memory of 2868	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	86
PID 3264 wrote to memory of 2868	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	86
PID 3264 wrote to memory of 540	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	88
PID 3264 wrote to memory of 540	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	88
PID 3264 wrote to memory of 540	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	88
PID 3264 wrote to memory of 4008	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	90
PID 3264 wrote to memory of 4008	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	90
PID 3264 wrote to memory of 4008	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	90
PID 3264 wrote to memory of 1508	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	92
PID 3264 wrote to memory of 1508	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	92
PID 3264 wrote to memory of 1508	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	92
PID 3264 wrote to memory of 3972	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	95
PID 3264 wrote to memory of 3972	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	95
PID 3264 wrote to memory of 3972	3264	2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe	95
PID 3016 wrote to memory of 4584	3016	fwszqptx.exe	97
PID 3016 wrote to memory of 4584	3016	fwszqptx.exe	97
PID 3016 wrote to memory of 4584	3016	fwszqptx.exe	97
PID 3016 wrote to memory of 4584	3016	fwszqptx.exe	97
PID 3016 wrote to memory of 4584	3016	fwszqptx.exe	97

C:\Users\Admin\AppData\Local\Temp\2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kftmcebi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fwszqptx.exe" C:\Windows\SysWOW64\kftmcebi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2868
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kftmcebi binPath= "C:\Windows\SysWOW64\kftmcebi\fwszqptx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:540
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kftmcebi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kftmcebi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1508
- 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:3972

C:\Windows\SysWOW64\kftmcebi\fwszqptx.exe
C:\Windows\SysWOW64\kftmcebi\fwszqptx.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-10_792e3cfa2dffd5d810b91ed078215e83_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4584
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 660
  2⤵
  - Program crash
  PID:1988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 904
  2⤵
  - Program crash
  PID:216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 900
  2⤵
  - Program crash
  PID:4392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3016 -ip 3016
1⤵
PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3016 -ip 3016
1⤵
PID:720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3016 -ip 3016
1⤵
PID:2032

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\fwszqptx.exe

Filesize
14.7MB

MD5
e83ca4934f24ed97168e1e467ed6f89f

SHA1
956b4d7ca7e39754946d996ceee1f054dcfd082c

SHA256
c47b71fd3eb24a349b3adc95fef3b26cc8caf24a60bd3d74d520e9a8f118207c

SHA512
93a48cf155c507cc6630c2f3fd36356e9684ac389964a38209731a85385ce97307ed6c1feb3388a4b5b876bf81644f8f7d5be4ea21afbac19346373cde0c2897

Download Submit
memory/3016-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3016-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3016-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3016-20-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3264-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3264-2-0x0000000000580000-0x0000000000593000-memory.dmp

Filesize
76KB

Download
memory/3264-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3264-9-0x0000000000580000-0x0000000000593000-memory.dmp

Filesize
76KB

Download
memory/3264-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3264-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/4584-15-0x0000000000380000-0x0000000000395000-memory.dmp

Filesize
84KB

Download
memory/4584-18-0x0000000000380000-0x0000000000395000-memory.dmp

Filesize
84KB

Download
memory/4584-19-0x0000000000380000-0x0000000000395000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads