tofsee | 4f132c042659b37ff3aaf4866e2c62eb014feece0887c8818f5f05c8bcb33f24

General

Target

2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe
Size

12.7MB
MD5

7d495508a5b3f25d13551f894b2eeada
SHA1

68ed778b9b691967ab81634caeb62fce9eda70a1
SHA256

4f132c042659b37ff3aaf4866e2c62eb014feece0887c8818f5f05c8bcb33f24
SHA512

05088855ff1b835c55949d5a511e4a030436d1ea3a87e7ac4c86b1f4a818c58c8f6fe051cc0924bee8451cb11f65a6e0ce8f060c59af01fc68b7feb559b3ac98
SSDEEP

24576:ApomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt/:Moo

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
1288	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\jboiszsb\ImagePath = "C:\\Windows\\SysWOW64\\jboiszsb\\qynrecll.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe

Deletes itself 1 IoCs

pid	Process
3100	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1888	qynrecll.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1888 set thread context of 3100	1888	qynrecll.exe	110

Launches sc.exe 3 IoCs

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

pid	Process
1792	sc.exe
4400	sc.exe
112	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
3448	1076	WerFault.exe	84
4528	1888	WerFault.exe	101

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	2025-01-15_7d495508a5b3f25d13551f894b2eeada_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	qynrecll.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 3552	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	85
PID 1076 wrote to memory of 3552	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	85
PID 1076 wrote to memory of 3552	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	85
PID 1076 wrote to memory of 2592	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	89
PID 1076 wrote to memory of 2592	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	89
PID 1076 wrote to memory of 2592	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	89
PID 1076 wrote to memory of 1792	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	91
PID 1076 wrote to memory of 1792	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	91
PID 1076 wrote to memory of 1792	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	91
PID 1076 wrote to memory of 4400	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	97
PID 1076 wrote to memory of 4400	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	97
PID 1076 wrote to memory of 4400	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	97
PID 1076 wrote to memory of 112	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	99
PID 1076 wrote to memory of 112	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	99
PID 1076 wrote to memory of 112	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	99
PID 1076 wrote to memory of 1288	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	102
PID 1076 wrote to memory of 1288	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	102
PID 1076 wrote to memory of 1288	1076	2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe	102
PID 1888 wrote to memory of 3100	1888	qynrecll.exe	110
PID 1888 wrote to memory of 3100	1888	qynrecll.exe	110
PID 1888 wrote to memory of 3100	1888	qynrecll.exe	110
PID 1888 wrote to memory of 3100	1888	qynrecll.exe	110
PID 1888 wrote to memory of 3100	1888	qynrecll.exe	110

C:\Users\Admin\AppData\Local\Temp\2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jboiszsb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qynrecll.exe" C:\Windows\SysWOW64\jboiszsb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2592
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jboiszsb binPath= "C:\Windows\SysWOW64\jboiszsb\qynrecll.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1792
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jboiszsb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4400
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jboiszsb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:112
- 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:1288
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 1188
  2⤵
  - Program crash
  PID:3448

C:\Windows\SysWOW64\jboiszsb\qynrecll.exe
C:\Windows\SysWOW64\jboiszsb\qynrecll.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-15_7d495508a5b3f25d13551f894b2eeada_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 512
  2⤵
  - Program crash
  PID:4528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1076 -ip 1076
1⤵
PID:3844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1888 -ip 1888
1⤵
PID:4796

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

Replay Monitor

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Downloads

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

Filesize
12.2MB

MD5
fc5f078fb68e328a0c14d3702fe37ed9

SHA1
2778b77ce62b3b2ba1cfc5805aa509560c8ebed2

SHA256
25d083e8af29ad192e8a3446167530c4207870c7bda3d3feffd2d98f0aafd74f

SHA512
8cd1010bbf37d95e0cb96d4ee5cf6a27faa38dd6dc89b06d1811a95ccb06a7c1abdad09225d1b5cf96a38eeb33c9650870ed11a19e22eeca749a11eb74051727

Download Submit
memory/1076-8-0x0000000000680000-0x0000000000693000-memory.dmp

Filesize
76KB

Download
memory/1076-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1076-2-0x0000000000680000-0x0000000000693000-memory.dmp

Filesize
76KB

Download
memory/1076-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1076-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1076-1-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/1888-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1888-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1888-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1888-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3100-16-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/3100-14-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/3100-17-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads