tofsee | 3d7ca071645842d3ed034aed7927b8a64432f2e8eee92e98aaad524578f5a5e1

General

Target

2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe
Size

13.8MB
MD5

92e2b569ac8f180ea58d8f69aa86c46a
SHA1

1c8160cb808186e22c587f5fddab119de296c1cb
SHA256

3d7ca071645842d3ed034aed7927b8a64432f2e8eee92e98aaad524578f5a5e1
SHA512

815a3fe5bf819edd72042bbd23d03877f8e3effb5b937fcce39455077b85240fbdaee9640e630f746a532f06cdbb3f7221d78efe0268adab87b2003eb9e7bce7
SSDEEP

6144:aLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ1:bTYe+D2jFu+iZoUFhAz6

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
54	3808	Process not Found

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
548	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\onpjsdrh\ImagePath = "C:\\Windows\\SysWOW64\\onpjsdrh\\disnhtqs.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-1-5-21-194335498-2604837297-537231065-1000\Control Panel\International\Geo\Nation	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe

Deletes itself 1 IoCs

pid	Process
2508	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	disnhtqs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2676 set thread context of 2508	2676	disnhtqs.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
4808	sc.exe
1576	sc.exe
4612	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3152	2200	WerFault.exe	85
940	2676	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 10 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	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	disnhtqs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3424	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 4852	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	89
PID 2200 wrote to memory of 4852	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	89
PID 2200 wrote to memory of 4852	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	89
PID 2200 wrote to memory of 2328	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	91
PID 2200 wrote to memory of 2328	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	91
PID 2200 wrote to memory of 2328	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	91
PID 2200 wrote to memory of 4808	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	93
PID 2200 wrote to memory of 4808	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	93
PID 2200 wrote to memory of 4808	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	93
PID 2200 wrote to memory of 1576	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	95
PID 2200 wrote to memory of 1576	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	95
PID 2200 wrote to memory of 1576	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	95
PID 2200 wrote to memory of 4612	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	97
PID 2200 wrote to memory of 4612	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	97
PID 2200 wrote to memory of 4612	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	97
PID 2200 wrote to memory of 548	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	100
PID 2200 wrote to memory of 548	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	100
PID 2200 wrote to memory of 548	2200	2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe	100
PID 2676 wrote to memory of 2508	2676	disnhtqs.exe	103
PID 2676 wrote to memory of 2508	2676	disnhtqs.exe	103
PID 2676 wrote to memory of 2508	2676	disnhtqs.exe	103
PID 2676 wrote to memory of 2508	2676	disnhtqs.exe	103
PID 2676 wrote to memory of 2508	2676	disnhtqs.exe	103

C:\Users\Admin\AppData\Local\Temp\2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\onpjsdrh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\disnhtqs.exe" C:\Windows\SysWOW64\onpjsdrh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2328
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create onpjsdrh binPath= "C:\Windows\SysWOW64\onpjsdrh\disnhtqs.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description onpjsdrh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1576
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start onpjsdrh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4612
- 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:548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 1036
  2⤵
  - Program crash
  PID:3152

C:\Windows\SysWOW64\onpjsdrh\disnhtqs.exe
C:\Windows\SysWOW64\onpjsdrh\disnhtqs.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_92e2b569ac8f180ea58d8f69aa86c46a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2508
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 560
  2⤵
  - Program crash
  PID:940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2200 -ip 2200
1⤵
PID:2636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2676 -ip 2676
1⤵
PID:1712

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzAxMDE1MzMxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3424

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
11.1MB

MD5
ec25b708eb667b3fb99cd5763f15bca9

SHA1
907eb1462d392d89b133810364f747246c26eeea

SHA256
ae62fce12b053663bfbe74e981f334c795aedb4e5252c35fafcebe0804ae4f4a

SHA512
5816ac95c59b890f78804be736362a6b8d656505d54a8091b6de046a19ac208626e648bb9239dfa10301ffe8639e06a255bf7192d13cc9600e3030e86e745ec4

Download Submit
memory/2200-2-0x00000000005F0000-0x0000000000603000-memory.dmp

Filesize
76KB

Download
memory/2200-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2200-1-0x0000000000760000-0x0000000000860000-memory.dmp

Filesize
1024KB

Download
memory/2200-16-0x00000000005F0000-0x0000000000603000-memory.dmp

Filesize
76KB

Download
memory/2200-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2200-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2508-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2508-22-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2508-21-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2508-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2508-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2676-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2676-19-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2676-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2676-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads