tofsee | ac8e557694c4284908640e197fc3b8c3d3b859afa919c331f74000cb2fd46425

Analysis

max time kernel
147s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06-02-2025 06:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe
Size

13.7MB
MD5

fe79f68d9da797757bed2be41ea1d1fb
SHA1

a5c4e87b4a9385f455d26966e6fd1ae3dadef414
SHA256

ac8e557694c4284908640e197fc3b8c3d3b859afa919c331f74000cb2fd46425
SHA512

319c2964dca7c554f74774a4fa5c41ab37a8f4ec445e00237d1e05bd202d00b32dfccc6e1af376bf04feee72a609d3cbf811dabbc88a4478077de4909877cdaa
SSDEEP

393216:TXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\gvqqeave = "0"	svchost.exe

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
2920	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\gvqqeave\ImagePath = "C:\\Windows\\SysWOW64\\gvqqeave\\namjcpue.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2656	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	namjcpue.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2892 set thread context of 2656	2892	namjcpue.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2100	sc.exe
2876	sc.exe
2788	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	namjcpue.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2716	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	29
PID 2540 wrote to memory of 2716	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	29
PID 2540 wrote to memory of 2716	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	29
PID 2540 wrote to memory of 2716	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	29
PID 2540 wrote to memory of 1632	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	31
PID 2540 wrote to memory of 1632	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	31
PID 2540 wrote to memory of 1632	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	31
PID 2540 wrote to memory of 1632	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	31
PID 2540 wrote to memory of 2100	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	33
PID 2540 wrote to memory of 2100	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	33
PID 2540 wrote to memory of 2100	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	33
PID 2540 wrote to memory of 2100	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	33
PID 2540 wrote to memory of 2876	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	35
PID 2540 wrote to memory of 2876	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	35
PID 2540 wrote to memory of 2876	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	35
PID 2540 wrote to memory of 2876	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	35
PID 2540 wrote to memory of 2788	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	37
PID 2540 wrote to memory of 2788	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	37
PID 2540 wrote to memory of 2788	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	37
PID 2540 wrote to memory of 2788	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	37
PID 2540 wrote to memory of 2920	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	40
PID 2540 wrote to memory of 2920	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	40
PID 2540 wrote to memory of 2920	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	40
PID 2540 wrote to memory of 2920	2540	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	40
PID 2892 wrote to memory of 2656	2892	namjcpue.exe	42
PID 2892 wrote to memory of 2656	2892	namjcpue.exe	42
PID 2892 wrote to memory of 2656	2892	namjcpue.exe	42
PID 2892 wrote to memory of 2656	2892	namjcpue.exe	42
PID 2892 wrote to memory of 2656	2892	namjcpue.exe	42
PID 2892 wrote to memory of 2656	2892	namjcpue.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gvqqeave\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\namjcpue.exe" C:\Windows\SysWOW64\gvqqeave\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1632
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gvqqeave binPath= "C:\Windows\SysWOW64\gvqqeave\namjcpue.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2100
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gvqqeave "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gvqqeave
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- 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:2920

C:\Windows\SysWOW64\gvqqeave\namjcpue.exe
C:\Windows\SysWOW64\gvqqeave\namjcpue.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\namjcpue.exe

Filesize
14.6MB

MD5
b38196c21d6171e5b8e48ef3c128fe53

SHA1
8a7af6d5d228576953a477252d0d55970ceb0f9f

SHA256
1cb822b9fc19c2b4434f369dff9bbe8318da19b5bc8b66359a7fafccac4abac7

SHA512
2ea5ee55fc11c407eb6194592bd5428efbd46362d6a4e09948df8a84dd2c22ca9074e3b592f6f55bbae2290102f0e5f298615c9211ba7e0ed7d55cd8e3859ffb

Download Submit
memory/2540-8-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2540-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2540-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2540-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2540-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2540-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2540-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2656-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2892-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads