tofsee | cc8125d8df82f9a50e6dbb64c79ca62280c1c54e34d49be178d79547ee78e832

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 20:32

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General

Target

2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe
Size

13.8MB
MD5

fd6a280e5fff87a9f918e9ef3d084213
SHA1

ba66a7db8fd8907d793460708329f71f84e9af15
SHA256

cc8125d8df82f9a50e6dbb64c79ca62280c1c54e34d49be178d79547ee78e832
SHA512

b00cf8e2483f6b27d5463d9b86db53707e8d1568192df6b4b13ede7ca16bae50793e091a5996aeeeb7459481d09962ec43b94d1717b80d14d8e8049bc9a72547
SSDEEP

24576:l6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQf:kWdLQk

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\nuyubdd = "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
2596	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\nuyubdd\ImagePath = "C:\\Windows\\SysWOW64\\nuyubdd\\bsovmlpt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2212	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2580	bsovmlpt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2580 set thread context of 2212	2580	bsovmlpt.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2840	sc.exe
2812	sc.exe
2688	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	bsovmlpt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2796	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	30
PID 2244 wrote to memory of 2796	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	30
PID 2244 wrote to memory of 2796	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	30
PID 2244 wrote to memory of 2796	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	30
PID 2244 wrote to memory of 2728	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	32
PID 2244 wrote to memory of 2728	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	32
PID 2244 wrote to memory of 2728	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	32
PID 2244 wrote to memory of 2728	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	32
PID 2244 wrote to memory of 2840	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	34
PID 2244 wrote to memory of 2840	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	34
PID 2244 wrote to memory of 2840	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	34
PID 2244 wrote to memory of 2840	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	34
PID 2244 wrote to memory of 2812	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	36
PID 2244 wrote to memory of 2812	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	36
PID 2244 wrote to memory of 2812	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	36
PID 2244 wrote to memory of 2812	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	36
PID 2244 wrote to memory of 2688	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	38
PID 2244 wrote to memory of 2688	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	38
PID 2244 wrote to memory of 2688	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	38
PID 2244 wrote to memory of 2688	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	38
PID 2244 wrote to memory of 2596	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	41
PID 2244 wrote to memory of 2596	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	41
PID 2244 wrote to memory of 2596	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	41
PID 2244 wrote to memory of 2596	2244	2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe	41
PID 2580 wrote to memory of 2212	2580	bsovmlpt.exe	43
PID 2580 wrote to memory of 2212	2580	bsovmlpt.exe	43
PID 2580 wrote to memory of 2212	2580	bsovmlpt.exe	43
PID 2580 wrote to memory of 2212	2580	bsovmlpt.exe	43
PID 2580 wrote to memory of 2212	2580	bsovmlpt.exe	43
PID 2580 wrote to memory of 2212	2580	bsovmlpt.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nuyubdd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bsovmlpt.exe" C:\Windows\SysWOW64\nuyubdd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nuyubdd binPath= "C:\Windows\SysWOW64\nuyubdd\bsovmlpt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nuyubdd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nuyubdd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- 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:2596

C:\Windows\SysWOW64\nuyubdd\bsovmlpt.exe
C:\Windows\SysWOW64\nuyubdd\bsovmlpt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_fd6a280e5fff87a9f918e9ef3d084213_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- 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:2212

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\bsovmlpt.exe

Filesize
11.1MB

MD5
79ec98514bb4c7bf7be91cb8a05d2e7e

SHA1
db336a4d09283578251afeb0b0d7ac909170e92b

SHA256
41f693f4a4c1e5ea44e11f30012d282f35e94ac20484859c8545dcd8151a3755

SHA512
3c1326e8da9f2efb8770a1ab0d17508d1c1ab3f1cbd9dc4a86be4a86b6531636c2b14548bb7fb25be1a3686bbaba88d1e56cd3078aeb86add0bc8a9344f6184d

Download Submit
memory/2212-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2212-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2212-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2212-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2212-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2244-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2244-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2244-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2244-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2244-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2244-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2580-17-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads