tofsee | 2b1a7ddd00423c781fb634cc0c0503d497d87d2ea446e6ed5aea5d2519908926

General

Target

2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe
Size

11.8MB
MD5

e47cf404094bbac14300b8b6525cc895
SHA1

4aa8d94eca6db073799dab29a2995f41451fbf9e
SHA256

2b1a7ddd00423c781fb634cc0c0503d497d87d2ea446e6ed5aea5d2519908926
SHA512

903f147de2009507effe3a65b91103db46ed659c16ea2f0ee50c48101b1b34edb6f6392591ed367765567acc8e824595637be5a67788018bd80103778370852c
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

2244 netsh.exe

pid	process
2244	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\trhazyfh\ImagePath = "C:\\Windows\\SysWOW64\\trhazyfh\\sqxtsbzq.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:

2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

916 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

sqxtsbzq.exe

pid process

4784 sqxtsbzq.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

sqxtsbzq.exe

description pid process target process

PID 4784 set thread context of 916 4784 sqxtsbzq.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

2212 sc.exe
2328 sc.exe
1152 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
916	svchost.exe

pid	process
4784	sqxtsbzq.exe

description	pid	process	target process
PID 4784 set thread context of 916	4784	sqxtsbzq.exe	svchost.exe

pid	process
2212	sc.exe
2328	sc.exe
1152	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exesqxtsbzq.exe

description	pid	process	target process
PID 2184 wrote to memory of 2272	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2184 wrote to memory of 2272	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2184 wrote to memory of 2272	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2184 wrote to memory of 3032	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2184 wrote to memory of 3032	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2184 wrote to memory of 3032	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2184 wrote to memory of 2212	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2184 wrote to memory of 2212	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2184 wrote to memory of 2212	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2184 wrote to memory of 2328	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2184 wrote to memory of 2328	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2184 wrote to memory of 2328	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2184 wrote to memory of 1152	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2184 wrote to memory of 1152	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2184 wrote to memory of 1152	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2184 wrote to memory of 2244	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	netsh.exe
PID 2184 wrote to memory of 2244	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	netsh.exe
PID 2184 wrote to memory of 2244	2184	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	netsh.exe
PID 4784 wrote to memory of 916	4784	sqxtsbzq.exe	svchost.exe
PID 4784 wrote to memory of 916	4784	sqxtsbzq.exe	svchost.exe
PID 4784 wrote to memory of 916	4784	sqxtsbzq.exe	svchost.exe
PID 4784 wrote to memory of 916	4784	sqxtsbzq.exe	svchost.exe
PID 4784 wrote to memory of 916	4784	sqxtsbzq.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\trhazyfh\
2⤵
PID:2272

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sqxtsbzq.exe" C:\Windows\SysWOW64\trhazyfh\
2⤵
PID:3032

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create trhazyfh binPath= "C:\Windows\SysWOW64\trhazyfh\sqxtsbzq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2212

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description trhazyfh "wifi internet conection"
2⤵
- Launches sc.exe
PID:2328

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start trhazyfh
2⤵
- Launches sc.exe
PID:1152

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:2244

C:\Windows\SysWOW64\trhazyfh\sqxtsbzq.exe
C:\Windows\SysWOW64\trhazyfh\sqxtsbzq.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4784

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:916

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\sqxtsbzq.exe

Filesize
10.5MB

MD5
a0555bbebc7b275f4ac5f247168e1f08

SHA1
fc690e98acbb5340d81c4b90e1dd9e9c81a08136

SHA256
a0feaee6566a18783973e1285d980bda45c6dad579469991438c65fa300fd039

SHA512
98b029a4748f2b77f24eaed8ab220aad923677366bc9b7b5e6f830c26361669d3232bde6e40126d761bb71005cfa490deea7437a5cb9ecaf90b1a6e96eb20307

Download Submit
memory/916-11-0x0000000000B40000-0x0000000000B55000-memory.dmp

Filesize
84KB

Download
memory/916-13-0x0000000000B40000-0x0000000000B55000-memory.dmp

Filesize
84KB

Download
memory/916-16-0x0000000000B40000-0x0000000000B55000-memory.dmp

Filesize
84KB

Download
memory/2184-1-0x0000000000840000-0x0000000000940000-memory.dmp

Filesize
1024KB

Download
memory/2184-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2184-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2184-6-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4784-9-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4784-10-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4784-15-0x0000000000400000-0x000000000051A000-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