tofsee | 395942f0e30f8decdc6526df2831a56bd05b31f94460aa44915edab268b6b50b

General

Target

2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe
Size

13.9MB
MD5

f982d788199c912ddcac30ffc0328afd
SHA1

954435532bdf44cd2eaac68aa0c18a5cf113fba5
SHA256

395942f0e30f8decdc6526df2831a56bd05b31f94460aa44915edab268b6b50b
SHA512

75b54f91dea775343cd66bc1ab996517522a8967aedcc0d5c7d2b1d7f6229aea1525f66bf0961227fc6dd1d0525ff01733ca4d30388ed90dfcb9cce85b2d23b5
SSDEEP

6144:nLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQV:MTYe+D2jFu+iZoUFhAzQ

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
1188	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\mjqpxpua\ImagePath = "C:\\Windows\\SysWOW64\\mjqpxpua\\qkkbmvmo.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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe

Deletes itself 1 IoCs

pid	Process
4960	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2188	qkkbmvmo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 4960	2188	qkkbmvmo.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
3172	sc.exe
4108	sc.exe
4896	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
2332	2188	WerFault.exe	96
2236	2116	WerFault.exe	82

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	2025-02-01_f982d788199c912ddcac30ffc0328afd_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qkkbmvmo.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 2116 wrote to memory of 1676	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	86
PID 2116 wrote to memory of 1676	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	86
PID 2116 wrote to memory of 1676	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	86
PID 2116 wrote to memory of 3208	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	88
PID 2116 wrote to memory of 3208	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	88
PID 2116 wrote to memory of 3208	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	88
PID 2116 wrote to memory of 3172	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	90
PID 2116 wrote to memory of 3172	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	90
PID 2116 wrote to memory of 3172	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	90
PID 2116 wrote to memory of 4108	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	92
PID 2116 wrote to memory of 4108	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	92
PID 2116 wrote to memory of 4108	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	92
PID 2116 wrote to memory of 4896	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	94
PID 2116 wrote to memory of 4896	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	94
PID 2116 wrote to memory of 4896	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	94
PID 2116 wrote to memory of 1188	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	97
PID 2116 wrote to memory of 1188	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	97
PID 2116 wrote to memory of 1188	2116	2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe	97
PID 2188 wrote to memory of 4960	2188	qkkbmvmo.exe	102
PID 2188 wrote to memory of 4960	2188	qkkbmvmo.exe	102
PID 2188 wrote to memory of 4960	2188	qkkbmvmo.exe	102
PID 2188 wrote to memory of 4960	2188	qkkbmvmo.exe	102
PID 2188 wrote to memory of 4960	2188	qkkbmvmo.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mjqpxpua\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1676
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qkkbmvmo.exe" C:\Windows\SysWOW64\mjqpxpua\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3208
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mjqpxpua binPath= "C:\Windows\SysWOW64\mjqpxpua\qkkbmvmo.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3172
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mjqpxpua "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4108
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mjqpxpua
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4896
- 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:1188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1036
  2⤵
  - Program crash
  PID:2236

C:\Windows\SysWOW64\mjqpxpua\qkkbmvmo.exe
C:\Windows\SysWOW64\mjqpxpua\qkkbmvmo.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f982d788199c912ddcac30ffc0328afd_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 516
  2⤵
  - Program crash
  PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2116 -ip 2116
1⤵
PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2188 -ip 2188
1⤵
PID:916

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\qkkbmvmo.exe

Filesize
11.5MB

MD5
a9c3ea43e06977ad555eb78862b88c6f

SHA1
708c3d914d5451c0de012dc4278fdce821b7ddc9

SHA256
a7487a3d8d60ef88ef6c8ba1b5b49d453564fc1079c2c5cf8536b6582b5b12f9

SHA512
d668c2bd9caf218997c00de69b1e0d264db188d121f5e1cd5d1770498d267335444c12298c3b3c183c9148b85ac1d163dd4be7b0852349707f44f8de1dbd7ba3

Download Submit
memory/2116-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2116-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2116-2-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/2116-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2116-1-0x0000000000740000-0x0000000000840000-memory.dmp

Filesize
1024KB

Download
memory/2116-16-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/2188-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2188-14-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4960-9-0x0000000000600000-0x0000000000615000-memory.dmp

Filesize
84KB

Download
memory/4960-12-0x0000000000600000-0x0000000000615000-memory.dmp

Filesize
84KB

Download
memory/4960-18-0x0000000000600000-0x0000000000615000-memory.dmp

Filesize
84KB

Download
memory/4960-19-0x0000000000600000-0x0000000000615000-memory.dmp

Filesize
84KB

Download
memory/4960-20-0x0000000000600000-0x0000000000615000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads