tofsee | 1437cb6ee01d19ac36f951670e5ed769875c72977f44110452c1f97ba661b88e

Analysis

max time kernel
150s
max time network
131s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12/02/2025, 21:25

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General

Target

2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe
Size

11.2MB
MD5

f0126725cb6a1af8f810f883e8bb59f4
SHA1

b7087b2687646e577edcddff91f54cb3e34e9857
SHA256

1437cb6ee01d19ac36f951670e5ed769875c72977f44110452c1f97ba661b88e
SHA512

46b57cdbe5b748b89440d6b222ac11cbabdd6d55d13cce163ee646ae8729dd3d252d032902ae94eeb4935f0c6483cea23e53f5cdf2cea070c253ea8f07bb235d
SSDEEP

49152:kqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPc:kqtYc3X

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\frghktat = "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
3044	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\frghktat\ImagePath = "C:\\Windows\\SysWOW64\\frghktat\\yplsjimq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2664	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	yplsjimq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2664	2700	yplsjimq.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2896	sc.exe
2464	sc.exe
1660	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	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	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.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	yplsjimq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2852	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	29
PID 1996 wrote to memory of 2852	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	29
PID 1996 wrote to memory of 2852	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	29
PID 1996 wrote to memory of 2852	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	29
PID 1996 wrote to memory of 2540	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	31
PID 1996 wrote to memory of 2540	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	31
PID 1996 wrote to memory of 2540	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	31
PID 1996 wrote to memory of 2540	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	31
PID 1996 wrote to memory of 2896	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	33
PID 1996 wrote to memory of 2896	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	33
PID 1996 wrote to memory of 2896	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	33
PID 1996 wrote to memory of 2896	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	33
PID 1996 wrote to memory of 2464	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	35
PID 1996 wrote to memory of 2464	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	35
PID 1996 wrote to memory of 2464	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	35
PID 1996 wrote to memory of 2464	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	35
PID 1996 wrote to memory of 1660	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	37
PID 1996 wrote to memory of 1660	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	37
PID 1996 wrote to memory of 1660	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	37
PID 1996 wrote to memory of 1660	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	37
PID 1996 wrote to memory of 3044	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	40
PID 1996 wrote to memory of 3044	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	40
PID 1996 wrote to memory of 3044	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	40
PID 1996 wrote to memory of 3044	1996	2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe	40
PID 2700 wrote to memory of 2664	2700	yplsjimq.exe	42
PID 2700 wrote to memory of 2664	2700	yplsjimq.exe	42
PID 2700 wrote to memory of 2664	2700	yplsjimq.exe	42
PID 2700 wrote to memory of 2664	2700	yplsjimq.exe	42
PID 2700 wrote to memory of 2664	2700	yplsjimq.exe	42
PID 2700 wrote to memory of 2664	2700	yplsjimq.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\frghktat\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yplsjimq.exe" C:\Windows\SysWOW64\frghktat\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2540
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create frghktat binPath= "C:\Windows\SysWOW64\frghktat\yplsjimq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_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 frghktat "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start frghktat
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1660
- 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:3044

C:\Windows\SysWOW64\frghktat\yplsjimq.exe
C:\Windows\SysWOW64\frghktat\yplsjimq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_f0126725cb6a1af8f810f883e8bb59f4_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- 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:2664

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\yplsjimq.exe

Filesize
10.6MB

MD5
d8c225b239f132a2f624c1ba74e32f55

SHA1
527f1fea4db2e3a1232c1316ee415fee4064760d

SHA256
adb4ed43db0193954860386c70829bca06d30d35f444a0159e46fd47fa68663c

SHA512
dcad523d53a3ef5008d40ed5c5300b50b38f823d981a7058872903875d62ddd90d1b0cbf75327520c35276bb0ab1ec521a9d451ff54dfb8eda4a877c81dba8c3

Download Submit
memory/1996-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1996-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1996-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1996-9-0x0000000003230000-0x0000000003330000-memory.dmp

Filesize
1024KB

Download
memory/1996-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1996-1-0x0000000003230000-0x0000000003330000-memory.dmp

Filesize
1024KB

Download
memory/1996-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2664-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-18-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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