tofsee | fc51ae20fa03a0611bcf5ee4a88d8c4e2aed0d18079a95bbea6dbfd4acaec8b2

Analysis

max time kernel
159s
max time network
146s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/02/2025, 00:54

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General

Target

2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe
Size

10.2MB
MD5

4015969bc08eabea0230ce336513319d
SHA1

88641baeed3bf398dd82f0239e84f400d3a01ccf
SHA256

fc51ae20fa03a0611bcf5ee4a88d8c4e2aed0d18079a95bbea6dbfd4acaec8b2
SHA512

a505752650f0f4f87545c7ec22f28b8ce78d859377ee3a43c85fbd17e392060fb03e8dbd0fb62e0325986bf97b391122c7a2154e56b0626c667a9e0150347a9c
SSDEEP

196608:DyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:uXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

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\cezopret = "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
3008	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\cezopret\ImagePath = "C:\\Windows\\SysWOW64\\cezopret\\beketepv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2676	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	beketepv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 2676	2896	beketepv.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2684	sc.exe
2828	sc.exe
2920	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.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	beketepv.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2956	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	31
PID 2108 wrote to memory of 2956	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	31
PID 2108 wrote to memory of 2956	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	31
PID 2108 wrote to memory of 2956	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	31
PID 2108 wrote to memory of 2228	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	33
PID 2108 wrote to memory of 2228	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	33
PID 2108 wrote to memory of 2228	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	33
PID 2108 wrote to memory of 2228	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	33
PID 2108 wrote to memory of 2828	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	35
PID 2108 wrote to memory of 2828	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	35
PID 2108 wrote to memory of 2828	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	35
PID 2108 wrote to memory of 2828	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	35
PID 2108 wrote to memory of 2920	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	37
PID 2108 wrote to memory of 2920	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	37
PID 2108 wrote to memory of 2920	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	37
PID 2108 wrote to memory of 2920	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	37
PID 2108 wrote to memory of 2684	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	39
PID 2108 wrote to memory of 2684	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	39
PID 2108 wrote to memory of 2684	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	39
PID 2108 wrote to memory of 2684	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	39
PID 2108 wrote to memory of 3008	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	41
PID 2108 wrote to memory of 3008	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	41
PID 2108 wrote to memory of 3008	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	41
PID 2108 wrote to memory of 3008	2108	2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe	41
PID 2896 wrote to memory of 2676	2896	beketepv.exe	44
PID 2896 wrote to memory of 2676	2896	beketepv.exe	44
PID 2896 wrote to memory of 2676	2896	beketepv.exe	44
PID 2896 wrote to memory of 2676	2896	beketepv.exe	44
PID 2896 wrote to memory of 2676	2896	beketepv.exe	44
PID 2896 wrote to memory of 2676	2896	beketepv.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cezopret\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\beketepv.exe" C:\Windows\SysWOW64\cezopret\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cezopret binPath= "C:\Windows\SysWOW64\cezopret\beketepv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cezopret "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cezopret
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- 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:3008

C:\Windows\SysWOW64\cezopret\beketepv.exe
C:\Windows\SysWOW64\cezopret\beketepv.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_4015969bc08eabea0230ce336513319d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- 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:2676

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\beketepv.exe

Filesize
10.5MB

MD5
9f0f7c586f7ce40d911651f0987fb75e

SHA1
ec8a8f5320569256b2075697b8f154456b478d50

SHA256
54bf5efa77a1f2106426687bea0e421338daf7fdba76d81518891e40c0a481c4

SHA512
e4b8e7656af657571ba5b270dd4fa9c9a8e9cbe09d0f0a8b16ab28d167b31812bdd1e66d7e5eb9fd3b7d23493493c4ed4dde6c1ea1b17349fa4ce3013caeef2e

Download Submit
memory/2108-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2108-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2108-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2108-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2108-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2108-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/2676-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2676-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2676-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2676-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2676-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2896-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads