tofsee | 26de0928d2adea856977192abe81d2777ea2a0814dfdecad619376ed669c3ae2

General

Target

2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe
Size

12.6MB
MD5

c0885dffa6bd3706a5ee2830fa6334fa
SHA1

e140d9b206994b584e86b2656f5aa7612e372f75
SHA256

26de0928d2adea856977192abe81d2777ea2a0814dfdecad619376ed669c3ae2
SHA512

3e6c3fbd063288d4ce73fe81d1cf9cf48bd8744f408600e630cd2528ccb80cf3bf39574fcdd34f05fbf282dc41fada64f3bde0f4533b5c6c9bf55793a4d7f9f5
SSDEEP

6144:7+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:7+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee 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

3668 netsh.exe

pid	process
3668	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\ptvqcchm\ImagePath = "C:\\Windows\\SysWOW64\\ptvqcchm\\svddbzdm.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:

2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2120 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

svddbzdm.exe

pid process

3772 svddbzdm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

svddbzdm.exe

description pid process target process

PID 3772 set thread context of 2120 3772 svddbzdm.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

4592 sc.exe
4488 sc.exe
3284 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2120	svchost.exe

pid	process
3772	svddbzdm.exe

description	pid	process	target process
PID 3772 set thread context of 2120	3772	svddbzdm.exe	svchost.exe

pid	process
4592	sc.exe
4488	sc.exe
3284	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

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exesvddbzdm.exe

description	pid	process	target process
PID 1720 wrote to memory of 2332	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	cmd.exe
PID 1720 wrote to memory of 2332	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	cmd.exe
PID 1720 wrote to memory of 2332	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	cmd.exe
PID 1720 wrote to memory of 4580	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	cmd.exe
PID 1720 wrote to memory of 4580	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	cmd.exe
PID 1720 wrote to memory of 4580	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	cmd.exe
PID 1720 wrote to memory of 4592	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	sc.exe
PID 1720 wrote to memory of 4592	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	sc.exe
PID 1720 wrote to memory of 4592	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	sc.exe
PID 1720 wrote to memory of 4488	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	sc.exe
PID 1720 wrote to memory of 4488	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	sc.exe
PID 1720 wrote to memory of 4488	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	sc.exe
PID 1720 wrote to memory of 3284	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	sc.exe
PID 1720 wrote to memory of 3284	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	sc.exe
PID 1720 wrote to memory of 3284	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	sc.exe
PID 1720 wrote to memory of 3668	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	netsh.exe
PID 1720 wrote to memory of 3668	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	netsh.exe
PID 1720 wrote to memory of 3668	1720	2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe	netsh.exe
PID 3772 wrote to memory of 2120	3772	svddbzdm.exe	svchost.exe
PID 3772 wrote to memory of 2120	3772	svddbzdm.exe	svchost.exe
PID 3772 wrote to memory of 2120	3772	svddbzdm.exe	svchost.exe
PID 3772 wrote to memory of 2120	3772	svddbzdm.exe	svchost.exe
PID 3772 wrote to memory of 2120	3772	svddbzdm.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ptvqcchm\
2⤵
PID:2332

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\svddbzdm.exe" C:\Windows\SysWOW64\ptvqcchm\
2⤵
PID:4580

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ptvqcchm binPath= "C:\Windows\SysWOW64\ptvqcchm\svddbzdm.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:4592

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ptvqcchm "wifi internet conection"
2⤵
- Launches sc.exe
PID:4488

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ptvqcchm
2⤵
- Launches sc.exe
PID:3284

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
PID:3668

C:\Windows\SysWOW64\ptvqcchm\svddbzdm.exe
C:\Windows\SysWOW64\ptvqcchm\svddbzdm.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-07-03_c0885dffa6bd3706a5ee2830fa6334fa_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3772

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:2120

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svddbzdm.exe
Filesize
13.6MB

MD5
c5edd58082da5cafa11c46d3832287de

SHA1
b41100e860404b704edfb1fccb2c82349b188429

SHA256
0376ce74153ca356ce03a56661fb4ac580c89a07cbd67c86628f600400b2e9b2

SHA512
f268c5ea7f4edbf62380433c7f79b3746dc326b45ea50177eb9ee3c5f5a947c7f6ec91cb4064d75e28e0a42f66eff8e52d871ebf6b144d7f1a3c0d3175a518a9

Download Submit
memory/1720-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1720-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1720-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1720-6-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2120-13-0x0000000000660000-0x0000000000675000-memory.dmp

Filesize
84KB

Download
memory/2120-10-0x0000000000660000-0x0000000000675000-memory.dmp

Filesize
84KB

Download
memory/2120-16-0x0000000000660000-0x0000000000675000-memory.dmp

Filesize
84KB

Download
memory/3772-9-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3772-11-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3772-15-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads