tofsee | ff93697d2593639b15cfb11175241e3d7d5f72ac180d7b976d310e276182fa7f

General

Target

2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe
Size

13.3MB
MD5

baa927b00f2b588bce2251d624d9c717
SHA1

c6c76e451b2085a1a2494abbe891d8226054d357
SHA256

ff93697d2593639b15cfb11175241e3d7d5f72ac180d7b976d310e276182fa7f
SHA512

e66c35a0ed9264c8bc4e45ca247af84ee3a2143ed5d1ce16128a6e54aa7948c8d73edab1ee7974046d69b07bc9a38f5f518c1621c456e3f90c1c6a47b3c881d8
SSDEEP

6144:Z+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:Z+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

824 netsh.exe

pid	process
824	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\vofnadlm\ImagePath = "C:\\Windows\\SysWOW64\\vofnadlm\\llkqbpwz.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_baa927b00f2b588bce2251d624d9c717_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1456 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

llkqbpwz.exe

pid process

4200 llkqbpwz.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

llkqbpwz.exe

description pid process target process

PID 4200 set thread context of 1456 4200 llkqbpwz.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

2340 sc.exe
5096 sc.exe
2592 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1456	svchost.exe

pid	process
4200	llkqbpwz.exe

description	pid	process	target process
PID 4200 set thread context of 1456	4200	llkqbpwz.exe	svchost.exe

pid	process
2340	sc.exe
5096	sc.exe
2592	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_baa927b00f2b588bce2251d624d9c717_mafia.exellkqbpwz.exe

description	pid	process	target process
PID 3948 wrote to memory of 3628	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	cmd.exe
PID 3948 wrote to memory of 3628	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	cmd.exe
PID 3948 wrote to memory of 3628	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	cmd.exe
PID 3948 wrote to memory of 1928	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	cmd.exe
PID 3948 wrote to memory of 1928	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	cmd.exe
PID 3948 wrote to memory of 1928	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	cmd.exe
PID 3948 wrote to memory of 2340	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	sc.exe
PID 3948 wrote to memory of 2340	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	sc.exe
PID 3948 wrote to memory of 2340	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	sc.exe
PID 3948 wrote to memory of 5096	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	sc.exe
PID 3948 wrote to memory of 5096	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	sc.exe
PID 3948 wrote to memory of 5096	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	sc.exe
PID 3948 wrote to memory of 2592	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	sc.exe
PID 3948 wrote to memory of 2592	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	sc.exe
PID 3948 wrote to memory of 2592	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	sc.exe
PID 3948 wrote to memory of 824	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	netsh.exe
PID 3948 wrote to memory of 824	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	netsh.exe
PID 3948 wrote to memory of 824	3948	2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe	netsh.exe
PID 4200 wrote to memory of 1456	4200	llkqbpwz.exe	svchost.exe
PID 4200 wrote to memory of 1456	4200	llkqbpwz.exe	svchost.exe
PID 4200 wrote to memory of 1456	4200	llkqbpwz.exe	svchost.exe
PID 4200 wrote to memory of 1456	4200	llkqbpwz.exe	svchost.exe
PID 4200 wrote to memory of 1456	4200	llkqbpwz.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3948

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vofnadlm\
2⤵
PID:3628

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\llkqbpwz.exe" C:\Windows\SysWOW64\vofnadlm\
2⤵
PID:1928

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create vofnadlm binPath= "C:\Windows\SysWOW64\vofnadlm\llkqbpwz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2340

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description vofnadlm "wifi internet conection"
2⤵
- Launches sc.exe
PID:5096

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start vofnadlm
2⤵
- Launches sc.exe
PID:2592

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:824

C:\Windows\SysWOW64\vofnadlm\llkqbpwz.exe
C:\Windows\SysWOW64\vofnadlm\llkqbpwz.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-07-03_baa927b00f2b588bce2251d624d9c717_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4200

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:1456

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\llkqbpwz.exe

Filesize
11.5MB

MD5
e15329b2b666a123e99b0e30d601b9f4

SHA1
6f76a1d2628950a729a6a759a80e127002bfe537

SHA256
91414a2fe1284d38187ec49e3ff3e845472263fb8d06b127f1947dc03c35a275

SHA512
8a9dffdc7ffe3878fa9328a4f16fbb720ca177c3288c4c1b9c99419899af3ef78b08f44bacbe56978d901d079accc7e465c47c3df947c373b83bacb0a3f40458

Download Submit
memory/1456-11-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/1456-19-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/1456-18-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/1456-17-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/1456-15-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/3948-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3948-6-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3948-1-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/3948-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4200-10-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4200-16-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4200-9-0x0000000000400000-0x000000000051A000-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