tofsee | de0989ba58f1a50c8b52ace991b067e5c4a3b2c830c1b2756493ddb1125b110a

General

Target

2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe
Size

12.4MB
MD5

616f4f2337c6242dc53a59e19f218fde
SHA1

8113efc0222a54e57403abd712cc797bc72f2235
SHA256

de0989ba58f1a50c8b52ace991b067e5c4a3b2c830c1b2756493ddb1125b110a
SHA512

9c260576ab735e659fe66266deaa601789ac170bb3469ddbef83bc54a3742d385e59ee783c188b2e95b79128620f36b9e9ace5d8eaeae1e0973e0293ff6acfaf
SSDEEP

12288:/Vbj7zJB99tzBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB/:/JzXd

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
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

2792 netsh.exe

pid	process
2792	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\preqccic\ImagePath = "C:\\Windows\\SysWOW64\\preqccic\\jawdutxb.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:

2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

412 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

jawdutxb.exe

pid process

4688 jawdutxb.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

jawdutxb.exe

description pid process target process

PID 4688 set thread context of 412 4688 jawdutxb.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

3432 sc.exe
3280 sc.exe
3972 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
412	svchost.exe

pid	process
4688	jawdutxb.exe

description	pid	process	target process
PID 4688 set thread context of 412	4688	jawdutxb.exe	svchost.exe

pid	process
3432	sc.exe
3280	sc.exe
3972	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:

svchost.execmd.exesc.exenetsh.exesc.exejawdutxb.exe2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.execmd.exesc.exe

description	ioc	process
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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jawdutxb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exejawdutxb.exe

description	pid	process	target process
PID 4824 wrote to memory of 3428	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	cmd.exe
PID 4824 wrote to memory of 3428	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	cmd.exe
PID 4824 wrote to memory of 3428	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	cmd.exe
PID 4824 wrote to memory of 4188	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	cmd.exe
PID 4824 wrote to memory of 4188	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	cmd.exe
PID 4824 wrote to memory of 4188	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	cmd.exe
PID 4824 wrote to memory of 3432	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	sc.exe
PID 4824 wrote to memory of 3432	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	sc.exe
PID 4824 wrote to memory of 3432	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	sc.exe
PID 4824 wrote to memory of 3280	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	sc.exe
PID 4824 wrote to memory of 3280	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	sc.exe
PID 4824 wrote to memory of 3280	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	sc.exe
PID 4824 wrote to memory of 3972	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	sc.exe
PID 4824 wrote to memory of 3972	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	sc.exe
PID 4824 wrote to memory of 3972	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	sc.exe
PID 4824 wrote to memory of 2792	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	netsh.exe
PID 4824 wrote to memory of 2792	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	netsh.exe
PID 4824 wrote to memory of 2792	4824	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	netsh.exe
PID 4688 wrote to memory of 412	4688	jawdutxb.exe	svchost.exe
PID 4688 wrote to memory of 412	4688	jawdutxb.exe	svchost.exe
PID 4688 wrote to memory of 412	4688	jawdutxb.exe	svchost.exe
PID 4688 wrote to memory of 412	4688	jawdutxb.exe	svchost.exe
PID 4688 wrote to memory of 412	4688	jawdutxb.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4824

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\preqccic\
2⤵
- System Location Discovery: System Language Discovery
PID:3428

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jawdutxb.exe" C:\Windows\SysWOW64\preqccic\
2⤵
- System Location Discovery: System Language Discovery
PID:4188

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create preqccic binPath= "C:\Windows\SysWOW64\preqccic\jawdutxb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3432

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description preqccic "wifi internet conection"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3280

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start preqccic
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3972

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:2792

C:\Windows\SysWOW64\preqccic\jawdutxb.exe
C:\Windows\SysWOW64\preqccic\jawdutxb.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4688

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:412

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\jawdutxb.exe

Filesize
14.3MB

MD5
406b08c55f8b601516ef34c764c2883c

SHA1
96a6caec110eff155de79fec679330fb089a1c49

SHA256
04af917487373caad434f375d100a09d854773b0866272f5e3829da6d418ffc9

SHA512
f733a8577dcc99dbf94db3619424e9f8145da1ae56c8c138f0bdb8f6ed87592ddf5a9c482b2efcd7831ea6d6df698a986dbf7ad66d2fe06f436f39b1085d3c69

Download Submit
memory/412-14-0x0000000000A30000-0x0000000000A45000-memory.dmp

Filesize
84KB

Download
memory/412-19-0x0000000000A30000-0x0000000000A45000-memory.dmp

Filesize
84KB

Download
memory/412-18-0x0000000000A30000-0x0000000000A45000-memory.dmp

Filesize
84KB

Download
memory/4688-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4688-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4688-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4688-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4824-8-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/4824-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4824-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/4824-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4824-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4824-2-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads