tofsee | 2e9ae7676eb981e72b227131076be16ea55bc28e1e719207da87ee3d5172601b

General

Target

2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe
Size

13.6MB
MD5

495a4f5942be9c692b3f1a377dbd3ed6
SHA1

18a101af5fb4920b2aca09125bc943204733e3bc
SHA256

2e9ae7676eb981e72b227131076be16ea55bc28e1e719207da87ee3d5172601b
SHA512

6e88c71d3bec5a100af88549e4fb38939c46853d95a31f004afbc4110622293d74e0edbbe36bf82ce8f3334ae1549a0925d68f8e5e4f148f1e77dfe5f91151f0
SSDEEP

6144:JLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQw:KTYe+D2jFu+iZoUFhAz

Score

10^/10

tofsee discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
220	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\avorzazp\ImagePath = "C:\\Windows\\SysWOW64\\avorzazp\\zuyqgrtr.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe

Deletes itself 1 IoCs

pid	Process
1568	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2124	zuyqgrtr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 1568	2124	zuyqgrtr.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
3480	sc.exe
4780	sc.exe
2028	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2208	676	WerFault.exe	82
2752	2124	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zuyqgrtr.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 4132	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	83
PID 676 wrote to memory of 4132	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	83
PID 676 wrote to memory of 4132	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	83
PID 676 wrote to memory of 4872	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	85
PID 676 wrote to memory of 4872	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	85
PID 676 wrote to memory of 4872	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	85
PID 676 wrote to memory of 3480	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	87
PID 676 wrote to memory of 3480	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	87
PID 676 wrote to memory of 3480	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	87
PID 676 wrote to memory of 4780	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	89
PID 676 wrote to memory of 4780	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	89
PID 676 wrote to memory of 4780	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	89
PID 676 wrote to memory of 2028	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	92
PID 676 wrote to memory of 2028	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	92
PID 676 wrote to memory of 2028	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	92
PID 676 wrote to memory of 220	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	95
PID 676 wrote to memory of 220	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	95
PID 676 wrote to memory of 220	676	2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe	95
PID 2124 wrote to memory of 1568	2124	zuyqgrtr.exe	98
PID 2124 wrote to memory of 1568	2124	zuyqgrtr.exe	98
PID 2124 wrote to memory of 1568	2124	zuyqgrtr.exe	98
PID 2124 wrote to memory of 1568	2124	zuyqgrtr.exe	98
PID 2124 wrote to memory of 1568	2124	zuyqgrtr.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:676
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\avorzazp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zuyqgrtr.exe" C:\Windows\SysWOW64\avorzazp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create avorzazp binPath= "C:\Windows\SysWOW64\avorzazp\zuyqgrtr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3480
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description avorzazp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4780
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start avorzazp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2028
- 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:220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 676 -s 1184
  2⤵
  - Program crash
  PID:2208

C:\Windows\SysWOW64\avorzazp\zuyqgrtr.exe
C:\Windows\SysWOW64\avorzazp\zuyqgrtr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-15_495a4f5942be9c692b3f1a377dbd3ed6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 516
  2⤵
  - Program crash
  PID:2752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 676 -ip 676
1⤵
PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2124 -ip 2124
1⤵
PID:224

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\zuyqgrtr.exe

Filesize
14.9MB

MD5
2e9c40a565b47eea57f46338a9b60f66

SHA1
3d0d7d460cbc6d31277b5a73e26e1088d27a07a5

SHA256
4a0a65ac9784c2eeafb049fb222adcff3085268cbca9f1cd7f2d1704b4d9d864

SHA512
878d7be20e0818e36ead56f80a85bc5851b3a132c01cba8aa4c592107fc0c3dc47b4e83949e8b38e3b5b46c86aa694e09df264bd159b686c34fcf658862c5a33

Download Submit
memory/676-13-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/676-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/676-2-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download
memory/676-14-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download
memory/676-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/676-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/1568-9-0x0000000001260000-0x0000000001275000-memory.dmp

Filesize
84KB

Download
memory/1568-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1568-18-0x0000000001260000-0x0000000001275000-memory.dmp

Filesize
84KB

Download
memory/1568-19-0x0000000001260000-0x0000000001275000-memory.dmp

Filesize
84KB

Download
memory/2124-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2124-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads