tofsee | 6888e53dbdbe4f13e3f4b8ca654fe33bedfc156b89fda15b6c26b4e316110ebd

Analysis

max time kernel
146s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 21:19

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General

Target

2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe
Size

11.9MB
MD5

9fd669b4bb30a4f6b3eddf8f76164ef7
SHA1

6fe718c9eed91c0c121e039f353bc9aea98c57ee
SHA256

6888e53dbdbe4f13e3f4b8ca654fe33bedfc156b89fda15b6c26b4e316110ebd
SHA512

4ad06a167f3902295a138c395b48fa6d0c327de9a3ca2a016728c3805f12de0953a5bd587595cf440fba01675ca9c6fb4d75b5f6ae062a9da8e0a25a06009dc2
SSDEEP

6144:wLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQN:lTYe+D2jFu+iZoUFhAz

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\zxfhkgrt = "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
2728	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\zxfhkgrt\ImagePath = "C:\\Windows\\SysWOW64\\zxfhkgrt\\bsovmlpt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2452	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1940	bsovmlpt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1940 set thread context of 2452	1940	bsovmlpt.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2564	sc.exe
3036	sc.exe
2900	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.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 2376 wrote to memory of 2972	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	29
PID 2376 wrote to memory of 2972	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	29
PID 2376 wrote to memory of 2972	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	29
PID 2376 wrote to memory of 2972	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	29
PID 2376 wrote to memory of 2856	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	31
PID 2376 wrote to memory of 2856	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	31
PID 2376 wrote to memory of 2856	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	31
PID 2376 wrote to memory of 2856	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	31
PID 2376 wrote to memory of 2564	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	33
PID 2376 wrote to memory of 2564	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	33
PID 2376 wrote to memory of 2564	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	33
PID 2376 wrote to memory of 2564	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	33
PID 2376 wrote to memory of 3036	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	35
PID 2376 wrote to memory of 3036	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	35
PID 2376 wrote to memory of 3036	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	35
PID 2376 wrote to memory of 3036	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	35
PID 2376 wrote to memory of 2900	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	37
PID 2376 wrote to memory of 2900	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	37
PID 2376 wrote to memory of 2900	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	37
PID 2376 wrote to memory of 2900	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	37
PID 2376 wrote to memory of 2728	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	39
PID 2376 wrote to memory of 2728	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	39
PID 2376 wrote to memory of 2728	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	39
PID 2376 wrote to memory of 2728	2376	2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe	39
PID 1940 wrote to memory of 2452	1940	bsovmlpt.exe	42
PID 1940 wrote to memory of 2452	1940	bsovmlpt.exe	42
PID 1940 wrote to memory of 2452	1940	bsovmlpt.exe	42
PID 1940 wrote to memory of 2452	1940	bsovmlpt.exe	42
PID 1940 wrote to memory of 2452	1940	bsovmlpt.exe	42
PID 1940 wrote to memory of 2452	1940	bsovmlpt.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zxfhkgrt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bsovmlpt.exe" C:\Windows\SysWOW64\zxfhkgrt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zxfhkgrt binPath= "C:\Windows\SysWOW64\zxfhkgrt\bsovmlpt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zxfhkgrt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zxfhkgrt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2900
- 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:2728

C:\Windows\SysWOW64\zxfhkgrt\bsovmlpt.exe
C:\Windows\SysWOW64\zxfhkgrt\bsovmlpt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9fd669b4bb30a4f6b3eddf8f76164ef7_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- 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:2452

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
12.8MB

MD5
27654a2f7af31a7a5c7be23b78b7c6a5

SHA1
9dbaa0502a883fb942179ddaec32a23e166234b5

SHA256
010081292c91d6e505560175bcb5fe6e3cb47ef9018a61cbb10d2dea56a24d6b

SHA512
6b3db56afebc8885cc2bc4504d29ee551eaf1a102111bad23e914c994dd541a58387598c4ed52d00dfa9a0e06d3ce00747f4d5731eba5c88ac2507ac8f273b4d

Download Submit
memory/1940-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2376-5-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/2376-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/2376-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2376-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2376-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2376-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2376-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2376-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2452-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2452-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2452-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2452-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2452-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads