tofsee | 5261edddfdea12841188800723f12edbd0e0b9d021855827ded935c29c0f36e1

General

Target

2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe
Size

13.9MB
MD5

dbe440eadee03dc056718f695dcb66e7
SHA1

4cb4b7dd184cb3ab34daa57cb3706e0cc4fa75cf
SHA256

5261edddfdea12841188800723f12edbd0e0b9d021855827ded935c29c0f36e1
SHA512

24cbc6e40447b2964bed072a4f4f60f9024cdada6a68200ea141c761963d694d5c58e5edc4b9aafa18c3ff4aa0353a2954a3954c2a5ea96a1038f234f65a45fd
SSDEEP

6144:d+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:d+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\bpyqvtaz = "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

1528 netsh.exe

pid	process
1528	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\bpyqvtaz\ImagePath = "C:\\Windows\\SysWOW64\\bpyqvtaz\\fiqqomqz.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3064 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

fiqqomqz.exe

pid process

2728 fiqqomqz.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

fiqqomqz.exe

description pid process target process

PID 2728 set thread context of 3064 2728 fiqqomqz.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

2752 sc.exe
2572 sc.exe
2628 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3064	svchost.exe

pid	process
2728	fiqqomqz.exe

description	pid	process	target process
PID 2728 set thread context of 3064	2728	fiqqomqz.exe	svchost.exe

pid	process
2752	sc.exe
2572	sc.exe
2628	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:

2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exefiqqomqz.exe

description	pid	process	target process
PID 348 wrote to memory of 3044	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	cmd.exe
PID 348 wrote to memory of 3044	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	cmd.exe
PID 348 wrote to memory of 3044	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	cmd.exe
PID 348 wrote to memory of 3044	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	cmd.exe
PID 348 wrote to memory of 2576	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	cmd.exe
PID 348 wrote to memory of 2576	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	cmd.exe
PID 348 wrote to memory of 2576	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	cmd.exe
PID 348 wrote to memory of 2576	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	cmd.exe
PID 348 wrote to memory of 2752	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2752	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2752	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2752	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2572	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2572	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2572	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2572	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2628	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2628	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2628	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 348 wrote to memory of 2628	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	sc.exe
PID 2728 wrote to memory of 3064	2728	fiqqomqz.exe	svchost.exe
PID 2728 wrote to memory of 3064	2728	fiqqomqz.exe	svchost.exe
PID 2728 wrote to memory of 3064	2728	fiqqomqz.exe	svchost.exe
PID 2728 wrote to memory of 3064	2728	fiqqomqz.exe	svchost.exe
PID 2728 wrote to memory of 3064	2728	fiqqomqz.exe	svchost.exe
PID 2728 wrote to memory of 3064	2728	fiqqomqz.exe	svchost.exe
PID 348 wrote to memory of 1528	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	netsh.exe
PID 348 wrote to memory of 1528	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	netsh.exe
PID 348 wrote to memory of 1528	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	netsh.exe
PID 348 wrote to memory of 1528	348	2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:348

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bpyqvtaz\
2⤵
PID:3044

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fiqqomqz.exe" C:\Windows\SysWOW64\bpyqvtaz\
2⤵
PID:2576

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create bpyqvtaz binPath= "C:\Windows\SysWOW64\bpyqvtaz\fiqqomqz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2752

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description bpyqvtaz "wifi internet conection"
2⤵
- Launches sc.exe
PID:2572

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start bpyqvtaz
2⤵
- Launches sc.exe
PID:2628

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:1528

C:\Windows\SysWOW64\bpyqvtaz\fiqqomqz.exe
C:\Windows\SysWOW64\bpyqvtaz\fiqqomqz.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-20_dbe440eadee03dc056718f695dcb66e7_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2728

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:3064

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\fiqqomqz.exe

Filesize
13.4MB

MD5
52c5c93f08dfb0f66a06ec5afbf21628

SHA1
1cfdd4ee9eecb64808628c45515d6d956bed663b

SHA256
cb0e5708b85cc9e78d1843a639b4705f7fcbeb3d92892a9a17fd05bb15aafdcd

SHA512
4d06d9f00534f19cfa2d43d2f9cd832eaa8023e670cb9e60b5646d25d08f60b4c94489ba97a7805bdc3627610041f1222f42591b57b8d99cd0b9fecd7681f3f1

Download Submit
memory/348-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/348-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/348-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/348-13-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2728-12-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3064-7-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3064-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3064-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3064-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3064-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads