tofsee | 7f145faefedbe2eb4b8e4600b3bfe9f3fa6b0a51b6575dde15d38b074f37109f

Analysis

max time kernel
146s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-01-2025 20:26

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General

Target

2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe
Size

14.9MB
MD5

99c735028626d2f1b44d2957df9a59d2
SHA1

bb75cf3af10c7c71a740416c902d0e15dd6bf5de
SHA256

7f145faefedbe2eb4b8e4600b3bfe9f3fa6b0a51b6575dde15d38b074f37109f
SHA512

ba49ce98236a77cd2afaca400bfedf43dc48c2612ac82c5615ff7ec8bc9e928906e85d94f5c25dc3f73a4f46cc62dbc7a343555562f6a6ae7ba810e0532cbf61
SSDEEP

24576:yEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ3:Lfot

Score

10^/10

tofsee discovery evasion 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

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\ptpsgvz = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2656	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\ptpsgvz\ImagePath = "C:\\Windows\\SysWOW64\\ptpsgvz\\tnnepypr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2196	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2640	tnnepypr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2640 set thread context of 2196	2640	tnnepypr.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2660	sc.exe
2684	sc.exe
2672	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	2025-01-18_99c735028626d2f1b44d2957df9a59d2_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tnnepypr.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2744	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	30
PID 2860 wrote to memory of 2744	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	30
PID 2860 wrote to memory of 2744	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	30
PID 2860 wrote to memory of 2744	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	30
PID 2860 wrote to memory of 2204	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	32
PID 2860 wrote to memory of 2204	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	32
PID 2860 wrote to memory of 2204	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	32
PID 2860 wrote to memory of 2204	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	32
PID 2860 wrote to memory of 2672	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	34
PID 2860 wrote to memory of 2672	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	34
PID 2860 wrote to memory of 2672	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	34
PID 2860 wrote to memory of 2672	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	34
PID 2860 wrote to memory of 2660	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	36
PID 2860 wrote to memory of 2660	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	36
PID 2860 wrote to memory of 2660	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	36
PID 2860 wrote to memory of 2660	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	36
PID 2860 wrote to memory of 2684	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	38
PID 2860 wrote to memory of 2684	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	38
PID 2860 wrote to memory of 2684	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	38
PID 2860 wrote to memory of 2684	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	38
PID 2860 wrote to memory of 2656	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	41
PID 2860 wrote to memory of 2656	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	41
PID 2860 wrote to memory of 2656	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	41
PID 2860 wrote to memory of 2656	2860	2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe	41
PID 2640 wrote to memory of 2196	2640	tnnepypr.exe	43
PID 2640 wrote to memory of 2196	2640	tnnepypr.exe	43
PID 2640 wrote to memory of 2196	2640	tnnepypr.exe	43
PID 2640 wrote to memory of 2196	2640	tnnepypr.exe	43
PID 2640 wrote to memory of 2196	2640	tnnepypr.exe	43
PID 2640 wrote to memory of 2196	2640	tnnepypr.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ptpsgvz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tnnepypr.exe" C:\Windows\SysWOW64\ptpsgvz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2204
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ptpsgvz binPath= "C:\Windows\SysWOW64\ptpsgvz\tnnepypr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ptpsgvz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2660
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ptpsgvz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- 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:2656

C:\Windows\SysWOW64\ptpsgvz\tnnepypr.exe
C:\Windows\SysWOW64\ptpsgvz\tnnepypr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-18_99c735028626d2f1b44d2957df9a59d2_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640
- 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:2196

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

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Downloads

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

Filesize
14.4MB

MD5
7fd8cff74a792ce95f44447016c98530

SHA1
ab8b07ff633211945a94b0e219f2a906be22bc9e

SHA256
4436d8cf067e8c33884c73d45332795f8ca0f68d84bef4fd1930560ff9bfd02a

SHA512
4c1027edb481043a662a2b0dfcc52df5eea88178cb7e72233c5b3de8e69798dcd0e667600bd87d7aac197be9f3e068ef4a272ef82c158ceb7ea4fd405e23adbd

Download Submit
memory/2196-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2196-14-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2196-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2196-17-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2196-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2640-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2860-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2860-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2860-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2860-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2860-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2860-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads