tofsee | 95829a10f0e9545aad05bdc05e8cc23a78789aec86a2e280e343721fd9ad0014

General

Target

2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe
Size

12.2MB
MD5

8a464a50bc9eb0ccbcae6b9268bb6c30
SHA1

56971bd6026dc018efd0e32e44a4731b0b1c906f
SHA256

95829a10f0e9545aad05bdc05e8cc23a78789aec86a2e280e343721fd9ad0014
SHA512

5b3b034abd6d5304ffe774fac5a2255b4f57d926b197c9d0c2d07656db2bfc160e17b3b4d764a069eea6b06e343d003b032364f22f7749ee7061b1a05b29449a
SSDEEP

6144:X+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:X+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\tzgtshdh = "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

1744 netsh.exe

pid	process
1744	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\tzgtshdh\ImagePath = "C:\\Windows\\SysWOW64\\tzgtshdh\\sefzuqro.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2516 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

sefzuqro.exe

pid process

2540 sefzuqro.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

sefzuqro.exe

description pid process target process

PID 2540 set thread context of 2516 2540 sefzuqro.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

2636 sc.exe
2728 sc.exe
2816 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2516	svchost.exe

pid	process
2540	sefzuqro.exe

description	pid	process	target process
PID 2540 set thread context of 2516	2540	sefzuqro.exe	svchost.exe

pid	process
2636	sc.exe
2728	sc.exe
2816	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:

2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exesefzuqro.exe

description	pid	process	target process
PID 2852 wrote to memory of 1904	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	cmd.exe
PID 2852 wrote to memory of 1904	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	cmd.exe
PID 2852 wrote to memory of 1904	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	cmd.exe
PID 2852 wrote to memory of 1904	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	cmd.exe
PID 2852 wrote to memory of 2624	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	cmd.exe
PID 2852 wrote to memory of 2624	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	cmd.exe
PID 2852 wrote to memory of 2624	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	cmd.exe
PID 2852 wrote to memory of 2624	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	cmd.exe
PID 2852 wrote to memory of 2728	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2728	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2728	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2728	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2636	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2636	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2636	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2636	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2816	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2816	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2816	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 2816	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	sc.exe
PID 2852 wrote to memory of 1744	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	netsh.exe
PID 2852 wrote to memory of 1744	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	netsh.exe
PID 2852 wrote to memory of 1744	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	netsh.exe
PID 2852 wrote to memory of 1744	2852	2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe	netsh.exe
PID 2540 wrote to memory of 2516	2540	sefzuqro.exe	svchost.exe
PID 2540 wrote to memory of 2516	2540	sefzuqro.exe	svchost.exe
PID 2540 wrote to memory of 2516	2540	sefzuqro.exe	svchost.exe
PID 2540 wrote to memory of 2516	2540	sefzuqro.exe	svchost.exe
PID 2540 wrote to memory of 2516	2540	sefzuqro.exe	svchost.exe
PID 2540 wrote to memory of 2516	2540	sefzuqro.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2852

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tzgtshdh\
2⤵
PID:1904

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sefzuqro.exe" C:\Windows\SysWOW64\tzgtshdh\
2⤵
PID:2624

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create tzgtshdh binPath= "C:\Windows\SysWOW64\tzgtshdh\sefzuqro.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2728

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description tzgtshdh "wifi internet conection"
2⤵
- Launches sc.exe
PID:2636

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start tzgtshdh
2⤵
- Launches sc.exe
PID:2816

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:1744

C:\Windows\SysWOW64\tzgtshdh\sefzuqro.exe
C:\Windows\SysWOW64\tzgtshdh\sefzuqro.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-21_8a464a50bc9eb0ccbcae6b9268bb6c30_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2540

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2516

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\sefzuqro.exe

Filesize
13.2MB

MD5
6b4f89e396f8b7ca3d12267304df10c3

SHA1
f0b7e105d0afad698d00ce3eb25b1a77e51b0b05

SHA256
3ddf7f8a4a297397345dabbccca33fe95f043610b152f7d6662d94618470c082

SHA512
304bd478712f1911cb15d95ba3c0d9a250f33125da13e8d093cde5794a4826d1c2de7c4aa140db9ee067aff6c1974da5c16d0d7b79725ed393ed6765b994b182

Download Submit
memory/2516-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2516-12-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2516-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2516-9-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2516-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2540-15-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2852-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2852-1-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/2852-6-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2852-5-0x0000000000400000-0x000000000051A000-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