tofsee | aa42ecb7a9230f5ac230615ed00a1dc2c048baa879b50e756423f5cb1cd130ec

General

Target

2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe
Size

12.9MB
MD5

eff212229ba9af2ac3d0f94a52a682aa
SHA1

288f0001a18e9cba39a1324cdb245d8809a1b764
SHA256

aa42ecb7a9230f5ac230615ed00a1dc2c048baa879b50e756423f5cb1cd130ec
SHA512

0746c83a2d6855d6880fa69772b66e38906839fcfbff5b97a89b44070b32e8cbe7c3bb6c37e1ae1c02cea487836d0cfd1cb3f8aa677f383cf1a667d3af1a20a5
SSDEEP

49152:XqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPh:XqtYc3U

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
3816	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\lorswmqe\ImagePath = "C:\\Windows\\SysWOW64\\lorswmqe\\ofnlvqxl.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe

Deletes itself 1 IoCs

pid	Process
892	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2284	ofnlvqxl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2284 set thread context of 892	2284	ofnlvqxl.exe	93

Launches sc.exe 3 IoCs

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

pid	Process
4996	sc.exe
1492	sc.exe
3612	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
4988	5012	WerFault.exe	81
2888	2284	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	ofnlvqxl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_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	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 5012 wrote to memory of 1524	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	82
PID 5012 wrote to memory of 1524	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	82
PID 5012 wrote to memory of 1524	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	82
PID 5012 wrote to memory of 3984	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	84
PID 5012 wrote to memory of 3984	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	84
PID 5012 wrote to memory of 3984	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	84
PID 5012 wrote to memory of 4996	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	86
PID 5012 wrote to memory of 4996	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	86
PID 5012 wrote to memory of 4996	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	86
PID 5012 wrote to memory of 1492	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	88
PID 5012 wrote to memory of 1492	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	88
PID 5012 wrote to memory of 1492	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	88
PID 5012 wrote to memory of 3612	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	90
PID 5012 wrote to memory of 3612	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	90
PID 5012 wrote to memory of 3612	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	90
PID 2284 wrote to memory of 892	2284	ofnlvqxl.exe	93
PID 2284 wrote to memory of 892	2284	ofnlvqxl.exe	93
PID 2284 wrote to memory of 892	2284	ofnlvqxl.exe	93
PID 2284 wrote to memory of 892	2284	ofnlvqxl.exe	93
PID 2284 wrote to memory of 892	2284	ofnlvqxl.exe	93
PID 5012 wrote to memory of 3816	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	96
PID 5012 wrote to memory of 3816	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	96
PID 5012 wrote to memory of 3816	5012	2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe	96

C:\Users\Admin\AppData\Local\Temp\2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lorswmqe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ofnlvqxl.exe" C:\Windows\SysWOW64\lorswmqe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lorswmqe binPath= "C:\Windows\SysWOW64\lorswmqe\ofnlvqxl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lorswmqe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lorswmqe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3612
- 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:3816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 1228
  2⤵
  - Program crash
  PID:4988

C:\Windows\SysWOW64\lorswmqe\ofnlvqxl.exe
C:\Windows\SysWOW64\lorswmqe\ofnlvqxl.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 528
  2⤵
  - Program crash
  PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2284 -ip 2284
1⤵
PID:2780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5012 -ip 5012
1⤵
PID:3896

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\ofnlvqxl.exe

Filesize
10.9MB

MD5
3bf729ef16213e8862081cce26c9c0d2

SHA1
1a3263776bf88022fe81ef4df4aeaea408bd4fab

SHA256
a6d87a2bd255cff39a5bffddde0af87e71066d0c85057a5fde89d429c9ed6786

SHA512
b5ce2d28217b8a55945ed5c45971f50dbd05a094e3ad0dfbe50d1b107f718e4d2c2eaeaa561a8b51051715f84a20c63f5db99bcb7faf731a4266c23e22d6dd64

Download Submit
memory/892-8-0x0000000000500000-0x0000000000515000-memory.dmp

Filesize
84KB

Download
memory/892-14-0x0000000000500000-0x0000000000515000-memory.dmp

Filesize
84KB

Download
memory/892-15-0x0000000000500000-0x0000000000515000-memory.dmp

Filesize
84KB

Download
memory/2284-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/5012-1-0x0000000003060000-0x0000000003160000-memory.dmp

Filesize
1024KB

Download
memory/5012-2-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

Filesize
76KB

Download
memory/5012-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5012-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5012-12-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

Filesize
76KB

Download
memory/5012-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads