tofsee | 4a8d24d9016364ce702217b56eb1e7699ffb7e7f574083f480b016fc36f655aa

General

Target

2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe
Size

10.9MB
MD5

79107b8f2a87e29fe22233956a06ca34
SHA1

4fd98cd60afecb84cf75907aafc319e5675f469b
SHA256

4a8d24d9016364ce702217b56eb1e7699ffb7e7f574083f480b016fc36f655aa
SHA512

34709fc5dd038640b9cc38bfb46c79d8df5f1ee093734592606257ebeaaa9fe1a1aceb7c99c79664ac7fdbac7e3f3a1384009b6478a58f872d2be179b4055c0e
SSDEEP

6144:b+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:b+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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\kfactdfe = "0"	svchost.exe

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

2592 netsh.exe

pid	process
2592	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\kfactdfe\ImagePath = "C:\\Windows\\SysWOW64\\kfactdfe\\vmfipcon.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2300 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

vmfipcon.exe

pid process

2724 vmfipcon.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

vmfipcon.exe

description pid process target process

PID 2724 set thread context of 2300 2724 vmfipcon.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

2684 sc.exe
2688 sc.exe
2936 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2300	svchost.exe

pid	process
2724	vmfipcon.exe

description	pid	process	target process
PID 2724 set thread context of 2300	2724	vmfipcon.exe	svchost.exe

pid	process
2684	sc.exe
2688	sc.exe
2936	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 30 IoCs

Processes:

2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exevmfipcon.exe

description	pid	process	target process
PID 2164 wrote to memory of 2924	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2164 wrote to memory of 2924	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2164 wrote to memory of 2924	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2164 wrote to memory of 2924	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2164 wrote to memory of 2632	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2164 wrote to memory of 2632	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2164 wrote to memory of 2632	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2164 wrote to memory of 2632	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2164 wrote to memory of 2684	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2684	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2684	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2684	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2688	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2688	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2688	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2688	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2936	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2936	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2936	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2164 wrote to memory of 2936	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2724 wrote to memory of 2300	2724	vmfipcon.exe	svchost.exe
PID 2724 wrote to memory of 2300	2724	vmfipcon.exe	svchost.exe
PID 2724 wrote to memory of 2300	2724	vmfipcon.exe	svchost.exe
PID 2724 wrote to memory of 2300	2724	vmfipcon.exe	svchost.exe
PID 2724 wrote to memory of 2300	2724	vmfipcon.exe	svchost.exe
PID 2724 wrote to memory of 2300	2724	vmfipcon.exe	svchost.exe
PID 2164 wrote to memory of 2592	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	netsh.exe
PID 2164 wrote to memory of 2592	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	netsh.exe
PID 2164 wrote to memory of 2592	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	netsh.exe
PID 2164 wrote to memory of 2592	2164	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2164

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kfactdfe\
2⤵
PID:2924

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vmfipcon.exe" C:\Windows\SysWOW64\kfactdfe\
2⤵
PID:2632

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create kfactdfe binPath= "C:\Windows\SysWOW64\kfactdfe\vmfipcon.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2684

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description kfactdfe "wifi internet conection"
2⤵
- Launches sc.exe
PID:2688

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start kfactdfe
2⤵
- Launches sc.exe
PID:2936

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:2592

C:\Windows\SysWOW64\kfactdfe\vmfipcon.exe
C:\Windows\SysWOW64\kfactdfe\vmfipcon.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2724

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2300

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

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\vmfipcon.exe
Filesize
12.5MB

MD5
f7be204dbf642a2f941919e2b4a848bd

SHA1
fb8d491e289ade656b8cf8df5d6a5d37315f1e85

SHA256
1a1d04df45b475a2eb017dbf36a273faa561ef379185d7764c696157142c4a63

SHA512
6e64281a73083da6bbbcbc901d2753826f680e60d58d08cf687aa3dbe440756c35794e333f7e72ce75c2bd9c5399edc8da317bef354ece192ea23d0cc811017a

Download Submit
memory/2164-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2164-1-0x0000000000660000-0x0000000000760000-memory.dmp

Filesize
1024KB

Download
memory/2164-13-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2164-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2300-7-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2300-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2300-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2300-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2300-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2724-11-0x0000000000400000-0x000000000051A000-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