tofsee | 1a903641c19c3ad59cab959bc483c5205e3e5dd5bf0a81656260046f1258673a

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 16:43

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General

Target

2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe
Size

10.2MB
MD5

8ecbe3f21f57e180898bfdb126d5abc8
SHA1

4269353815b8b5417c0c52597b61f13df64c4a37
SHA256

1a903641c19c3ad59cab959bc483c5205e3e5dd5bf0a81656260046f1258673a
SHA512

0836d9fe5e5a5466bdbc4d6abd354d92b2d9d66201ec3d35493be6ea5ec95ea0249b0f0f4018cfb04152e441e7212cd5cbef07aa7ca4d3c3f8b64fef7ed31751
SSDEEP

24576:BpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttq:booU

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\ggfjhwpy = "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
2912	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\ggfjhwpy\ImagePath = "C:\\Windows\\SysWOW64\\ggfjhwpy\\rpyzietp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2884	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	rpyzietp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2892 set thread context of 2884	2892	rpyzietp.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3028	sc.exe
2712	sc.exe
1896	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	rpyzietp.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	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2320	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	30
PID 2448 wrote to memory of 2320	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	30
PID 2448 wrote to memory of 2320	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	30
PID 2448 wrote to memory of 2320	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	30
PID 2448 wrote to memory of 2560	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	32
PID 2448 wrote to memory of 2560	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	32
PID 2448 wrote to memory of 2560	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	32
PID 2448 wrote to memory of 2560	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	32
PID 2448 wrote to memory of 3028	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	34
PID 2448 wrote to memory of 3028	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	34
PID 2448 wrote to memory of 3028	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	34
PID 2448 wrote to memory of 3028	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	34
PID 2448 wrote to memory of 2712	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	36
PID 2448 wrote to memory of 2712	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	36
PID 2448 wrote to memory of 2712	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	36
PID 2448 wrote to memory of 2712	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	36
PID 2448 wrote to memory of 1896	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	38
PID 2448 wrote to memory of 1896	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	38
PID 2448 wrote to memory of 1896	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	38
PID 2448 wrote to memory of 1896	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	38
PID 2448 wrote to memory of 2912	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	41
PID 2448 wrote to memory of 2912	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	41
PID 2448 wrote to memory of 2912	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	41
PID 2448 wrote to memory of 2912	2448	2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe	41
PID 2892 wrote to memory of 2884	2892	rpyzietp.exe	43
PID 2892 wrote to memory of 2884	2892	rpyzietp.exe	43
PID 2892 wrote to memory of 2884	2892	rpyzietp.exe	43
PID 2892 wrote to memory of 2884	2892	rpyzietp.exe	43
PID 2892 wrote to memory of 2884	2892	rpyzietp.exe	43
PID 2892 wrote to memory of 2884	2892	rpyzietp.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ggfjhwpy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rpyzietp.exe" C:\Windows\SysWOW64\ggfjhwpy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ggfjhwpy binPath= "C:\Windows\SysWOW64\ggfjhwpy\rpyzietp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ggfjhwpy "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 ggfjhwpy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1896
- 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:2912

C:\Windows\SysWOW64\ggfjhwpy\rpyzietp.exe
C:\Windows\SysWOW64\ggfjhwpy\rpyzietp.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_8ecbe3f21f57e180898bfdb126d5abc8_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- 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:2884

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\rpyzietp.exe

Filesize
10.2MB

MD5
aa0a400009265e737cfe2fd3bc1b5358

SHA1
4d54ec39e3cb226a5e705bdd7073029b0cc38f1a

SHA256
2f40b47460628e3dc5ae6a6e88c82bf1aa45b352fba3ae2dbaf1e36b6ae50882

SHA512
26afdc15226e6e78cba65314f0f508359179ee169d0f83927b83ef2180e7ddc8a93f3f3ee4d77a07826809746627d7fc5fa5cb07fa13846c2220cbf2f665d8e3

Download Submit
memory/2448-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2448-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2448-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2448-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2448-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2448-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2884-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2892-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads