tofsee | 16a5c19b442c856703af88ab23dac3134063c95bff8f84fd1907fda513fa2c48

General

Target

2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe
Size

14.6MB
MD5

6f86e85c1a23d9132a4f0c813c289e05
SHA1

31601c1159d7d8ba02c5967e8a740028620f4e7c
SHA256

16a5c19b442c856703af88ab23dac3134063c95bff8f84fd1907fda513fa2c48
SHA512

b4b23c0cd7f650d82a5edb2606429bfca943041150634479565265f3f06dd5e71e1bad86622b3821506f7d1723a098d7166220d61bc21d1a7a85bb3cec19fe64
SSDEEP

6144:A+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:A+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

3648 netsh.exe

pid	process
3648	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\dxfbhcw\ImagePath = "C:\\Windows\\SysWOW64\\dxfbhcw\\poawblvi.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:

2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3296 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

poawblvi.exe

pid process

1472 poawblvi.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

poawblvi.exe

description pid process target process

PID 1472 set thread context of 3296 1472 poawblvi.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

8 sc.exe
2332 sc.exe
3108 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3296	svchost.exe

pid	process
1472	poawblvi.exe

description	pid	process	target process
PID 1472 set thread context of 3296	1472	poawblvi.exe	svchost.exe

pid	process
8	sc.exe
2332	sc.exe
3108	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:

2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exepoawblvi.exe

description	pid	process	target process
PID 5112 wrote to memory of 2664	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	cmd.exe
PID 5112 wrote to memory of 2664	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	cmd.exe
PID 5112 wrote to memory of 2664	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	cmd.exe
PID 5112 wrote to memory of 228	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	cmd.exe
PID 5112 wrote to memory of 228	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	cmd.exe
PID 5112 wrote to memory of 228	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	cmd.exe
PID 5112 wrote to memory of 8	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	sc.exe
PID 5112 wrote to memory of 8	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	sc.exe
PID 5112 wrote to memory of 8	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	sc.exe
PID 5112 wrote to memory of 2332	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	sc.exe
PID 5112 wrote to memory of 2332	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	sc.exe
PID 5112 wrote to memory of 2332	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	sc.exe
PID 5112 wrote to memory of 3108	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	sc.exe
PID 5112 wrote to memory of 3108	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	sc.exe
PID 5112 wrote to memory of 3108	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	sc.exe
PID 5112 wrote to memory of 3648	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	netsh.exe
PID 5112 wrote to memory of 3648	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	netsh.exe
PID 5112 wrote to memory of 3648	5112	2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe	netsh.exe
PID 1472 wrote to memory of 3296	1472	poawblvi.exe	svchost.exe
PID 1472 wrote to memory of 3296	1472	poawblvi.exe	svchost.exe
PID 1472 wrote to memory of 3296	1472	poawblvi.exe	svchost.exe
PID 1472 wrote to memory of 3296	1472	poawblvi.exe	svchost.exe
PID 1472 wrote to memory of 3296	1472	poawblvi.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dxfbhcw\
2⤵
PID:2664

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\poawblvi.exe" C:\Windows\SysWOW64\dxfbhcw\
2⤵
PID:228

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create dxfbhcw binPath= "C:\Windows\SysWOW64\dxfbhcw\poawblvi.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:8

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description dxfbhcw "wifi internet conection"
2⤵
- Launches sc.exe
PID:2332

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start dxfbhcw
2⤵
- Launches sc.exe
PID:3108

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:3648

C:\Windows\SysWOW64\dxfbhcw\poawblvi.exe
C:\Windows\SysWOW64\dxfbhcw\poawblvi.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-24_6f86e85c1a23d9132a4f0c813c289e05_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:3296

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\poawblvi.exe

Filesize
14.1MB

MD5
6953d848a4342524479f353605bb5322

SHA1
1beb325c595c66d3a95077c5d156fad45183afec

SHA256
15e9814e21870553fbbf2a9492c4f805a1a9b152c5aaf391dda19e24295356ac

SHA512
e74ac105628cd7c128309c2c5425b815fb02b3b2ff1e3ea930a10eec1105cd6723176949aa825ef30493bafc6a3472cbe56a9faecb67cbbe6862f88ed355435c

Download Submit
memory/1472-9-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1472-14-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3296-10-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3296-13-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3296-15-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/5112-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5112-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/5112-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5112-6-0x0000000000400000-0x000000000051A000-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