tofsee | eda99cc167fa5b9a559ec9b56994e951836c4b40e348286c2724aa94cdfe25fc

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 22:29

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General

Target

2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe
Size

15.0MB
MD5

8fa61cfc9f7112ed8d491983c8ee7a47
SHA1

4b2b603c311985f0ac3878392c9098c1d5206e63
SHA256

eda99cc167fa5b9a559ec9b56994e951836c4b40e348286c2724aa94cdfe25fc
SHA512

7d2f3c88fc6f8cedcea43359c8958f40a05c744577a87c53c815cfc7f48a62171de610ddbc7f5fc551b742c6c7e4fcb23300fe1b93bdf1b074ec17a839863bf9
SSDEEP

393216:HXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

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\wnytlptl = "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
2860	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\wnytlptl\ImagePath = "C:\\Windows\\SysWOW64\\wnytlptl\\plddapoc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2988	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	plddapoc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2988	2696	plddapoc.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2896	sc.exe
2688	sc.exe
2812	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	sc.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	plddapoc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1200	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	31
PID 2312 wrote to memory of 1200	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	31
PID 2312 wrote to memory of 1200	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	31
PID 2312 wrote to memory of 1200	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	31
PID 2312 wrote to memory of 1328	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	33
PID 2312 wrote to memory of 1328	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	33
PID 2312 wrote to memory of 1328	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	33
PID 2312 wrote to memory of 1328	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	33
PID 2312 wrote to memory of 2896	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	35
PID 2312 wrote to memory of 2896	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	35
PID 2312 wrote to memory of 2896	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	35
PID 2312 wrote to memory of 2896	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	35
PID 2312 wrote to memory of 2688	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	37
PID 2312 wrote to memory of 2688	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	37
PID 2312 wrote to memory of 2688	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	37
PID 2312 wrote to memory of 2688	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	37
PID 2312 wrote to memory of 2812	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	39
PID 2312 wrote to memory of 2812	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	39
PID 2312 wrote to memory of 2812	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	39
PID 2312 wrote to memory of 2812	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	39
PID 2696 wrote to memory of 2988	2696	plddapoc.exe	42
PID 2696 wrote to memory of 2988	2696	plddapoc.exe	42
PID 2696 wrote to memory of 2988	2696	plddapoc.exe	42
PID 2696 wrote to memory of 2988	2696	plddapoc.exe	42
PID 2696 wrote to memory of 2988	2696	plddapoc.exe	42
PID 2696 wrote to memory of 2988	2696	plddapoc.exe	42
PID 2312 wrote to memory of 2860	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	43
PID 2312 wrote to memory of 2860	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	43
PID 2312 wrote to memory of 2860	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	43
PID 2312 wrote to memory of 2860	2312	2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wnytlptl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1200
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\plddapoc.exe" C:\Windows\SysWOW64\wnytlptl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1328
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wnytlptl binPath= "C:\Windows\SysWOW64\wnytlptl\plddapoc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wnytlptl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wnytlptl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- 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:2860

C:\Windows\SysWOW64\wnytlptl\plddapoc.exe
C:\Windows\SysWOW64\wnytlptl\plddapoc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_8fa61cfc9f7112ed8d491983c8ee7a47_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- 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:2988

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\plddapoc.exe

Filesize
13.5MB

MD5
cf00946f2ff05dcd2bc52a8c5cb7d41e

SHA1
876709c0e0806196f64933950feec26c9c29d4ce

SHA256
01c0bfff049a1dcd9669b2169564c1b78afd1cc157da0a2d379074b3784d3a75

SHA512
802da1e5938517363d2a68178d46042cd8cb8feea7900066d811d177e08d14fbf142b28babcb3a13e1ae859c1803d3902c384ccb35d5c486b3bee63cd0fed130

Download Submit
memory/2312-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2312-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2312-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2312-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2312-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2312-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2696-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2988-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2988-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2988-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2988-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2988-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads