tofsee | 479aadd291614f1df773337dcd8b7cb82e73fc262f051d2cb4871772a63d45c4

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
12/02/2025, 20:11

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General

Target

2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe
Size

15.0MB
MD5

19ed6279ab2a8fe074a9882d4ea92253
SHA1

f0d79377f92ea81c6615ed750be2e579af6e69b6
SHA256

479aadd291614f1df773337dcd8b7cb82e73fc262f051d2cb4871772a63d45c4
SHA512

8f5bff41df4c180fd97542984005d22341c920f6c5ef90357cb7e4c0c552f2a9c4c38e42f817c6c2fb1a18beb6987d1c773b269e00afb3597db5ea5c5b5dde7d
SSDEEP

49152:4qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPs:4qtYc3t

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\nsizggpj = "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
2892	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\nsizggpj\ImagePath = "C:\\Windows\\SysWOW64\\nsizggpj\\pxmqdbkk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2728	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2916	pxmqdbkk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2728	2916	pxmqdbkk.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1028	sc.exe
1968	sc.exe
2888	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_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	pxmqdbkk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 2532	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	31
PID 1484 wrote to memory of 2532	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	31
PID 1484 wrote to memory of 2532	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	31
PID 1484 wrote to memory of 2532	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	31
PID 1484 wrote to memory of 2396	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	33
PID 1484 wrote to memory of 2396	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	33
PID 1484 wrote to memory of 2396	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	33
PID 1484 wrote to memory of 2396	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	33
PID 1484 wrote to memory of 1028	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	35
PID 1484 wrote to memory of 1028	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	35
PID 1484 wrote to memory of 1028	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	35
PID 1484 wrote to memory of 1028	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	35
PID 1484 wrote to memory of 1968	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	37
PID 1484 wrote to memory of 1968	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	37
PID 1484 wrote to memory of 1968	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	37
PID 1484 wrote to memory of 1968	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	37
PID 1484 wrote to memory of 2888	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	39
PID 1484 wrote to memory of 2888	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	39
PID 1484 wrote to memory of 2888	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	39
PID 1484 wrote to memory of 2888	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	39
PID 1484 wrote to memory of 2892	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	42
PID 1484 wrote to memory of 2892	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	42
PID 1484 wrote to memory of 2892	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	42
PID 1484 wrote to memory of 2892	1484	2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe	42
PID 2916 wrote to memory of 2728	2916	pxmqdbkk.exe	44
PID 2916 wrote to memory of 2728	2916	pxmqdbkk.exe	44
PID 2916 wrote to memory of 2728	2916	pxmqdbkk.exe	44
PID 2916 wrote to memory of 2728	2916	pxmqdbkk.exe	44
PID 2916 wrote to memory of 2728	2916	pxmqdbkk.exe	44
PID 2916 wrote to memory of 2728	2916	pxmqdbkk.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nsizggpj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pxmqdbkk.exe" C:\Windows\SysWOW64\nsizggpj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nsizggpj binPath= "C:\Windows\SysWOW64\nsizggpj\pxmqdbkk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nsizggpj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1968
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nsizggpj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- 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:2892

C:\Windows\SysWOW64\nsizggpj\pxmqdbkk.exe
C:\Windows\SysWOW64\nsizggpj\pxmqdbkk.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_19ed6279ab2a8fe074a9882d4ea92253_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- 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:2728

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\pxmqdbkk.exe

Filesize
12.9MB

MD5
e5a12929f5d65bc993e6f64a4d90df2b

SHA1
81d489a42f9700a3c73b2f82998e0af94dd5aca4

SHA256
c385b1c37057ecd3e65d86f9841145c6583292d5b1977c47c98018a5f69c329c

SHA512
9b85e1cc70a36cea754711d9d05bbecc7a4abf9c5b8d941399d23d9648051bb8da7dbe834aec172596e95791c71dcabdeacfffaefaa08b2f1ca526401104f869

Download Submit
memory/1484-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1484-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1484-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1484-9-0x0000000002F00000-0x0000000003000000-memory.dmp

Filesize
1024KB

Download
memory/1484-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1484-1-0x0000000002F00000-0x0000000003000000-memory.dmp

Filesize
1024KB

Download
memory/1484-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2728-12-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2728-15-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2728-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-17-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2728-19-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2916-18-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads