tofsee | 0387be2c453c92137a7c9cb0a3af0818319a4553908caca1360f81a7381e4bc5

Analysis

max time kernel
145s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-02-2025 14:27

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General

Target

2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe
Size

13.1MB
MD5

f5fb2495fddf41b528255e66542d47d5
SHA1

966ff2abd9b6193543eb58b58fc1683c833ae768
SHA256

0387be2c453c92137a7c9cb0a3af0818319a4553908caca1360f81a7381e4bc5
SHA512

ecbd2052029ff818a6c621af601ce24c3bd56b4851fe08ad5f63a1164945dfc786f6de077f147d81366563bac315ef57ec014f1ea8cd9ee22c6e61d3c7f689f3
SSDEEP

6144:sLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQu:BTYe+D2jFu+iZoUFhAz1

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\pgekeyne = "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
2600	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\pgekeyne\ImagePath = "C:\\Windows\\SysWOW64\\pgekeyne\\ljstcynj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2616	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2224	ljstcynj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 2616	2224	ljstcynj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2920	sc.exe
2848	sc.exe
2712	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	ljstcynj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-06_f5fb2495fddf41b528255e66542d47d5_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2700	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	30
PID 2364 wrote to memory of 2700	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	30
PID 2364 wrote to memory of 2700	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	30
PID 2364 wrote to memory of 2700	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	30
PID 2364 wrote to memory of 2784	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	32
PID 2364 wrote to memory of 2784	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	32
PID 2364 wrote to memory of 2784	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	32
PID 2364 wrote to memory of 2784	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	32
PID 2364 wrote to memory of 2848	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	34
PID 2364 wrote to memory of 2848	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	34
PID 2364 wrote to memory of 2848	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	34
PID 2364 wrote to memory of 2848	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	34
PID 2364 wrote to memory of 2712	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	36
PID 2364 wrote to memory of 2712	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	36
PID 2364 wrote to memory of 2712	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	36
PID 2364 wrote to memory of 2712	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	36
PID 2364 wrote to memory of 2920	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	38
PID 2364 wrote to memory of 2920	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	38
PID 2364 wrote to memory of 2920	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	38
PID 2364 wrote to memory of 2920	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	38
PID 2364 wrote to memory of 2600	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	41
PID 2364 wrote to memory of 2600	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	41
PID 2364 wrote to memory of 2600	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	41
PID 2364 wrote to memory of 2600	2364	2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe	41
PID 2224 wrote to memory of 2616	2224	ljstcynj.exe	43
PID 2224 wrote to memory of 2616	2224	ljstcynj.exe	43
PID 2224 wrote to memory of 2616	2224	ljstcynj.exe	43
PID 2224 wrote to memory of 2616	2224	ljstcynj.exe	43
PID 2224 wrote to memory of 2616	2224	ljstcynj.exe	43
PID 2224 wrote to memory of 2616	2224	ljstcynj.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pgekeyne\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ljstcynj.exe" C:\Windows\SysWOW64\pgekeyne\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2784
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pgekeyne binPath= "C:\Windows\SysWOW64\pgekeyne\ljstcynj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pgekeyne "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pgekeyne
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2920
- 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:2600

C:\Windows\SysWOW64\pgekeyne\ljstcynj.exe
C:\Windows\SysWOW64\pgekeyne\ljstcynj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-06_f5fb2495fddf41b528255e66542d47d5_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2224
- 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:2616

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\ljstcynj.exe

Filesize
12.3MB

MD5
381381242335bd0bee0747b0b1f9b5ab

SHA1
6f5c445fda03ebe6c1d543e0e77e9dea6483d4b1

SHA256
f6447aa548beb265ea43df6c97b9b55d10455908e8c3c6406375a99b84c14f32

SHA512
30d485e0c4ce7edfa8c483bb48ecfed4fdfb7105be2bd190b971d45d40add05a4e6d520b5608334a9638f994261645cfbf532c8e086b7885dc713f6072a6b7ed

Download Submit
memory/2224-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2364-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2364-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2364-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2364-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2364-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/2364-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2616-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2616-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2616-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2616-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2616-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads