tofsee | ef89d155d78c35b217e2979635e426216bffc0591e4354ccf760ddb9d5f48fed

General

Target

2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe
Size

13.1MB
MD5

94e3b5b195f4cded12c2a710fb6ba2ac
SHA1

26e8ce9f4c0dde0f214ad1081bfee4a9493ebad5
SHA256

ef89d155d78c35b217e2979635e426216bffc0591e4354ccf760ddb9d5f48fed
SHA512

b132d9ad01a2020ef7c800e8383c0fb0c0e1b3f12a7aa17184bee700778213ba8459b7faec2b5aef60603db8730fb810ad86ce32002c91f0c05079690d8072c2
SSDEEP

49152:qLFuiE888888888888888888888888888888888888888888888888888888888c:qLM

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
4432	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\vfzuxwhp\ImagePath = "C:\\Windows\\SysWOW64\\vfzuxwhp\\qvfaugdf.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe

Deletes itself 1 IoCs

pid	Process
1924	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1956	qvfaugdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 1924	1956	qvfaugdf.exe	93

Launches sc.exe 3 IoCs

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

pid	Process
2424	sc.exe
3524	sc.exe
4516	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qvfaugdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_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	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 3844	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	82
PID 1596 wrote to memory of 3844	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	82
PID 1596 wrote to memory of 3844	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	82
PID 1596 wrote to memory of 2000	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	84
PID 1596 wrote to memory of 2000	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	84
PID 1596 wrote to memory of 2000	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	84
PID 1596 wrote to memory of 4516	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	86
PID 1596 wrote to memory of 4516	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	86
PID 1596 wrote to memory of 4516	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	86
PID 1596 wrote to memory of 2424	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	88
PID 1596 wrote to memory of 2424	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	88
PID 1596 wrote to memory of 2424	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	88
PID 1596 wrote to memory of 3524	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	90
PID 1596 wrote to memory of 3524	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	90
PID 1596 wrote to memory of 3524	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	90
PID 1956 wrote to memory of 1924	1956	qvfaugdf.exe	93
PID 1956 wrote to memory of 1924	1956	qvfaugdf.exe	93
PID 1956 wrote to memory of 1924	1956	qvfaugdf.exe	93
PID 1956 wrote to memory of 1924	1956	qvfaugdf.exe	93
PID 1956 wrote to memory of 1924	1956	qvfaugdf.exe	93
PID 1596 wrote to memory of 4432	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	94
PID 1596 wrote to memory of 4432	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	94
PID 1596 wrote to memory of 4432	1596	2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe	94

C:\Users\Admin\AppData\Local\Temp\2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vfzuxwhp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3844
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qvfaugdf.exe" C:\Windows\SysWOW64\vfzuxwhp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2000
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vfzuxwhp binPath= "C:\Windows\SysWOW64\vfzuxwhp\qvfaugdf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4516
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vfzuxwhp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vfzuxwhp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3524
- 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:4432

C:\Windows\SysWOW64\vfzuxwhp\qvfaugdf.exe
C:\Windows\SysWOW64\vfzuxwhp\qvfaugdf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-15_94e3b5b195f4cded12c2a710fb6ba2ac_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1924

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\qvfaugdf.exe

Filesize
13.4MB

MD5
6d3bdca9e92d909056b51961ba0f8b16

SHA1
555dc873fee8da3e8ea93871ca3a95a6002eaf93

SHA256
f62f252686009643797f83797b3f83baf3cf205be8b02173ffabaa081ba12b1e

SHA512
a384bfd5460c6f56f04c5eba448c814cfe7bdd20aa4820f55867ab7ef0ceea49a63ac7f403b79c536838dd60a84dad40b3dacc35b645c2ff08fc6c6c2d0bb56b

Download Submit
memory/1596-1-0x0000000002E00000-0x0000000002F00000-memory.dmp

Filesize
1024KB

Download
memory/1596-2-0x0000000002F00000-0x0000000002F13000-memory.dmp

Filesize
76KB

Download
memory/1596-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1596-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1596-12-0x0000000002F00000-0x0000000002F13000-memory.dmp

Filesize
76KB

Download
memory/1596-11-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download
memory/1924-8-0x0000000000890000-0x00000000008A5000-memory.dmp

Filesize
84KB

Download
memory/1924-14-0x0000000000890000-0x00000000008A5000-memory.dmp

Filesize
84KB

Download
memory/1924-15-0x0000000000890000-0x00000000008A5000-memory.dmp

Filesize
84KB

Download
memory/1956-10-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads