tofsee | ee06a44cd6bc5c852ef5e3e26ce0a11fef7502cdca6b1ac98dfe012770d22e11

General

Target

2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe
Size

11.2MB
MD5

bc69fe693d7847a09ad69fef17f7827a
SHA1

e769da6a06c64a656686f9ca39b01cdea4decc60
SHA256

ee06a44cd6bc5c852ef5e3e26ce0a11fef7502cdca6b1ac98dfe012770d22e11
SHA512

ab887575c2c99f1ee19e7d7cfd6ee9d13ab9930191e3b4fc0f69dae07c11b386462e7ec09e53f02802b305e14c60b03bdaecc141687e88065483a18d824cdf5d
SSDEEP

6144:0LQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQJ:pTYe+D2jFu+iZoUFhAzG

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
3532	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\pksrvebe\ImagePath = "C:\\Windows\\SysWOW64\\pksrvebe\\sqzajfuq.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_bc69fe693d7847a09ad69fef17f7827a_mafia.exe

Deletes itself 1 IoCs

pid	Process
3128	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4744	sqzajfuq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4744 set thread context of 3128	4744	sqzajfuq.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
4280	sc.exe
2132	sc.exe
1696	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
4072	2940	WerFault.exe	81
1888	4744	WerFault.exe	92

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_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	sqzajfuq.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 4652	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	82
PID 2940 wrote to memory of 4652	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	82
PID 2940 wrote to memory of 4652	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	82
PID 2940 wrote to memory of 2744	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	84
PID 2940 wrote to memory of 2744	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	84
PID 2940 wrote to memory of 2744	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	84
PID 2940 wrote to memory of 4280	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	86
PID 2940 wrote to memory of 4280	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	86
PID 2940 wrote to memory of 4280	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	86
PID 2940 wrote to memory of 2132	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	88
PID 2940 wrote to memory of 2132	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	88
PID 2940 wrote to memory of 2132	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	88
PID 2940 wrote to memory of 1696	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	90
PID 2940 wrote to memory of 1696	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	90
PID 2940 wrote to memory of 1696	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	90
PID 2940 wrote to memory of 3532	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	93
PID 2940 wrote to memory of 3532	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	93
PID 2940 wrote to memory of 3532	2940	2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe	93
PID 4744 wrote to memory of 3128	4744	sqzajfuq.exe	98
PID 4744 wrote to memory of 3128	4744	sqzajfuq.exe	98
PID 4744 wrote to memory of 3128	4744	sqzajfuq.exe	98
PID 4744 wrote to memory of 3128	4744	sqzajfuq.exe	98
PID 4744 wrote to memory of 3128	4744	sqzajfuq.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pksrvebe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4652
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sqzajfuq.exe" C:\Windows\SysWOW64\pksrvebe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pksrvebe binPath= "C:\Windows\SysWOW64\pksrvebe\sqzajfuq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4280
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pksrvebe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pksrvebe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1696
- 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:3532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 664
  2⤵
  - Program crash
  PID:4072

C:\Windows\SysWOW64\pksrvebe\sqzajfuq.exe
C:\Windows\SysWOW64\pksrvebe\sqzajfuq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_bc69fe693d7847a09ad69fef17f7827a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 512
  2⤵
  - Program crash
  PID:1888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2940 -ip 2940
1⤵
PID:1500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4744 -ip 4744
1⤵
PID:2420

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\sqzajfuq.exe

Filesize
10.8MB

MD5
a115c374f85cd330e596e28fb19c58d5

SHA1
3cf1a9e97085f77e1ef564695c7f05acf6c92444

SHA256
e05b97b6d54a7c0bb15a7eb843a41e50a23330367ec06bc96053389c3c8807b4

SHA512
1b089f00086825fef8076246c9a74aefc9125fa2d6d4102d4005ac1cf93e7a9dedc878db654f3bf93cd8f5d0abd078e47c9852906799b957b1a8daf408a624bd

Download Submit
memory/2940-8-0x0000000000700000-0x0000000000713000-memory.dmp

Filesize
76KB

Download
memory/2940-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2940-2-0x0000000000700000-0x0000000000713000-memory.dmp

Filesize
76KB

Download
memory/2940-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2940-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2940-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/3128-14-0x00000000008A0000-0x00000000008B5000-memory.dmp

Filesize
84KB

Download
memory/3128-16-0x00000000008A0000-0x00000000008B5000-memory.dmp

Filesize
84KB

Download
memory/3128-17-0x00000000008A0000-0x00000000008B5000-memory.dmp

Filesize
84KB

Download
memory/4744-12-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4744-11-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4744-13-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4744-18-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads