tofsee | 1871a038c5133bcba2db205e78240a9014d9df40425007c77df9be913b70d851

General

Target

2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe
Size

13.4MB
MD5

dbf282e8f2699b7b683a7c7f900d3224
SHA1

d06c54d9024c6a280684819ff347b96f9dd3f7d2
SHA256

1871a038c5133bcba2db205e78240a9014d9df40425007c77df9be913b70d851
SHA512

f0209aa921f52fa413d4dd4e60a9b50af094489f957486ecaddfcbfc41d48b371163fcbcf52474cfe56280b8d5a82e06b0ed96ba7040e83945498d8c5619c2cb
SSDEEP

196608:v3aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaai:v

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

Processes:

netsh.exe

pid process

4432 netsh.exe

pid	process
4432	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\fsorncdv\ImagePath = "C:\\Windows\\SysWOW64\\fsorncdv\\wboorqgl.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

Processes:

2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3960 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

wboorqgl.exe

pid process

4252 wboorqgl.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

wboorqgl.exe

description pid process target process

PID 4252 set thread context of 3960 4252 wboorqgl.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

1156 sc.exe
5000 sc.exe
1876 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3960	svchost.exe

pid	process
4252	wboorqgl.exe

description	pid	process	target process
PID 4252 set thread context of 3960	4252	wboorqgl.exe	svchost.exe

pid	process
1156	sc.exe
5000	sc.exe
1876	sc.exe

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

Processes:

netsh.exe

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

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

Processes:

2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.execmd.exewboorqgl.exesvchost.execmd.exesc.exesc.exesc.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wboorqgl.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	sc.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

Processes:

2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exewboorqgl.exe

description	pid	process	target process
PID 2848 wrote to memory of 2468	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	cmd.exe
PID 2848 wrote to memory of 2468	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	cmd.exe
PID 2848 wrote to memory of 2468	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	cmd.exe
PID 2848 wrote to memory of 3840	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	cmd.exe
PID 2848 wrote to memory of 3840	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	cmd.exe
PID 2848 wrote to memory of 3840	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	cmd.exe
PID 2848 wrote to memory of 5000	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	sc.exe
PID 2848 wrote to memory of 5000	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	sc.exe
PID 2848 wrote to memory of 5000	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	sc.exe
PID 2848 wrote to memory of 1876	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	sc.exe
PID 2848 wrote to memory of 1876	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	sc.exe
PID 2848 wrote to memory of 1876	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	sc.exe
PID 2848 wrote to memory of 1156	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	sc.exe
PID 2848 wrote to memory of 1156	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	sc.exe
PID 2848 wrote to memory of 1156	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	sc.exe
PID 2848 wrote to memory of 4432	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	netsh.exe
PID 2848 wrote to memory of 4432	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	netsh.exe
PID 2848 wrote to memory of 4432	2848	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	netsh.exe
PID 4252 wrote to memory of 3960	4252	wboorqgl.exe	svchost.exe
PID 4252 wrote to memory of 3960	4252	wboorqgl.exe	svchost.exe
PID 4252 wrote to memory of 3960	4252	wboorqgl.exe	svchost.exe
PID 4252 wrote to memory of 3960	4252	wboorqgl.exe	svchost.exe
PID 4252 wrote to memory of 3960	4252	wboorqgl.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fsorncdv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2468
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wboorqgl.exe" C:\Windows\SysWOW64\fsorncdv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fsorncdv binPath= "C:\Windows\SysWOW64\fsorncdv\wboorqgl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5000
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fsorncdv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fsorncdv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1156
- 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:4432

C:\Windows\SysWOW64\fsorncdv\wboorqgl.exe
C:\Windows\SysWOW64\fsorncdv\wboorqgl.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3960

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\wboorqgl.exe

Filesize
11.6MB

MD5
289b9f4cb19b32f6dfcdffa92d8aed9e

SHA1
ce376e62c568399116301fe8344be23f8a8da2c6

SHA256
d13dd440392fba0a3d894a0613fa1a4ddab6823be1efdb1560bec4a1de1297fd

SHA512
f31ac503660f82fddebc6b415ce6994f6c5ff90f11964d6d71a0f5bfdbee449b94843164202749c222fbf76b5a9e5fd3c78b13ae69a527aa0755b2eab6b14c2d

Download Submit
memory/2848-1-0x0000000000760000-0x0000000000860000-memory.dmp

Filesize
1024KB

Download
memory/2848-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2848-7-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2848-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2848-8-0x00000000006C0000-0x00000000006D3000-memory.dmp

Filesize
76KB

Download
memory/2848-2-0x00000000006C0000-0x00000000006D3000-memory.dmp

Filesize
76KB

Download
memory/3960-18-0x00000000005C0000-0x00000000005D5000-memory.dmp

Filesize
84KB

Download
memory/3960-22-0x00000000005C0000-0x00000000005D5000-memory.dmp

Filesize
84KB

Download
memory/3960-21-0x00000000005C0000-0x00000000005D5000-memory.dmp

Filesize
84KB

Download
memory/3960-14-0x00000000005C0000-0x00000000005D5000-memory.dmp

Filesize
84KB

Download
memory/3960-17-0x00000000005C0000-0x00000000005D5000-memory.dmp

Filesize
84KB

Download
memory/4252-11-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4252-20-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4252-13-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4252-12-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads