tofsee | 710bc2bf55462500540675be0f0310615feab68b516920490cfbc7024a2e9c10

General

Target

2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe
Size

11.7MB
MD5

c062307017454af9e7f89920ca5225b3
SHA1

933fb5be727d82d4fd302e377619e07bc55ca490
SHA256

710bc2bf55462500540675be0f0310615feab68b516920490cfbc7024a2e9c10
SHA512

1d667e99d7f1f462f87dd82266ded0fb053074975270cdb25f278951a7580d63699f442b328b17caf122cd81a213b9a1dfecff86c9d7fbd57d9b4e07b54960cf
SSDEEP

6144:zLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ8:ITYe+D2jFu+iZoUFhAzh

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
4912	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\qqrqismi\ImagePath = "C:\\Windows\\SysWOW64\\qqrqismi\\npkqjwg.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe

Deletes itself 1 IoCs

pid	Process
3932	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4204	npkqjwg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4204 set thread context of 3932	4204	npkqjwg.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
1520	sc.exe
3616	sc.exe
5000	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3936	3000	WerFault.exe	81
4400	4204	WerFault.exe	94

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	2025-01-28_c062307017454af9e7f89920ca5225b3_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	npkqjwg.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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2344	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	82
PID 3000 wrote to memory of 2344	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	82
PID 3000 wrote to memory of 2344	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	82
PID 3000 wrote to memory of 1804	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	84
PID 3000 wrote to memory of 1804	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	84
PID 3000 wrote to memory of 1804	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	84
PID 3000 wrote to memory of 1520	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	86
PID 3000 wrote to memory of 1520	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	86
PID 3000 wrote to memory of 1520	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	86
PID 3000 wrote to memory of 3616	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	88
PID 3000 wrote to memory of 3616	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	88
PID 3000 wrote to memory of 3616	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	88
PID 3000 wrote to memory of 5000	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	92
PID 3000 wrote to memory of 5000	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	92
PID 3000 wrote to memory of 5000	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	92
PID 3000 wrote to memory of 4912	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	95
PID 3000 wrote to memory of 4912	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	95
PID 3000 wrote to memory of 4912	3000	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	95
PID 4204 wrote to memory of 3932	4204	npkqjwg.exe	100
PID 4204 wrote to memory of 3932	4204	npkqjwg.exe	100
PID 4204 wrote to memory of 3932	4204	npkqjwg.exe	100
PID 4204 wrote to memory of 3932	4204	npkqjwg.exe	100
PID 4204 wrote to memory of 3932	4204	npkqjwg.exe	100

C:\Users\Admin\AppData\Local\Temp\2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qqrqismi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\npkqjwg.exe" C:\Windows\SysWOW64\qqrqismi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qqrqismi binPath= "C:\Windows\SysWOW64\qqrqismi\npkqjwg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1520
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qqrqismi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3616
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qqrqismi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5000
- 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:4912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 1044
  2⤵
  - Program crash
  PID:3936

C:\Windows\SysWOW64\qqrqismi\npkqjwg.exe
C:\Windows\SysWOW64\qqrqismi\npkqjwg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 508
  2⤵
  - Program crash
  PID:4400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3000 -ip 3000
1⤵
PID:2940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4204 -ip 4204
1⤵
PID:3804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\npkqjwg.exe

Filesize
14.3MB

MD5
55bb8762792f2f79bf43d0ab4b3c5021

SHA1
29b6438a45ac145d6cf55e2475b6b05323f1ccad

SHA256
1e74dfa028e608ca26e3f071e74dd42ec2b4dcac49182247339011be22dfbfc2

SHA512
e1da4ecc155fabf0e59a8d2dd3efce70483ff2637bcb060e13535b804b3469b2afa1bd5e72a840a3707996ca1f3e93ca8c4c75aef86c532073a369c514315c6f

Download Submit
memory/3000-12-0x00000000006D0000-0x00000000006E3000-memory.dmp

Filesize
76KB

Download
memory/3000-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3000-2-0x00000000006D0000-0x00000000006E3000-memory.dmp

Filesize
76KB

Download
memory/3000-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3000-1-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/3000-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3932-14-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/3932-16-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/3932-17-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/4204-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4204-11-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4204-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4204-18-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads