tofsee | 6a6941267ae0c7a98e3854814083c17dfe43da830acd256a74ac072d8a00a7e8

General

Target

2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe
Size

10.5MB
MD5

5d2e671530ea99e8d6211a1c38fdbbbe
SHA1

26e4576726810b824d299e6b36bf33cbdffa4643
SHA256

6a6941267ae0c7a98e3854814083c17dfe43da830acd256a74ac072d8a00a7e8
SHA512

3ea51bf4ff4ae6ab2aa965f8b4e67379efa8a6c6d7b0e7079deb05b9b526e77605a2d4208b0b9970ad58a247ef7419938f7a422aa163321602670c95cb2b4a54
SSDEEP

6144:A+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:A+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

2480 netsh.exe

pid	process
2480	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\btbqppdy\ImagePath = "C:\\Windows\\SysWOW64\\btbqppdy\\xkybddbo.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2616 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

xkybddbo.exe

pid process

2476 xkybddbo.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

xkybddbo.exe

description pid process target process

PID 2476 set thread context of 2616 2476 xkybddbo.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

2556 sc.exe
3004 sc.exe
2636 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2616	svchost.exe

pid	process
2476	xkybddbo.exe

description	pid	process	target process
PID 2476 set thread context of 2616	2476	xkybddbo.exe	svchost.exe

pid	process
2556	sc.exe
3004	sc.exe
2636	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:

2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exexkybddbo.exe

description	pid	process	target process
PID 1924 wrote to memory of 1272	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	cmd.exe
PID 1924 wrote to memory of 1272	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	cmd.exe
PID 1924 wrote to memory of 1272	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	cmd.exe
PID 1924 wrote to memory of 1272	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	cmd.exe
PID 1924 wrote to memory of 2596	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	cmd.exe
PID 1924 wrote to memory of 2596	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	cmd.exe
PID 1924 wrote to memory of 2596	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	cmd.exe
PID 1924 wrote to memory of 2596	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	cmd.exe
PID 1924 wrote to memory of 2556	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 2556	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 2556	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 2556	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 3004	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 3004	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 3004	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 3004	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 2636	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 2636	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 2636	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 1924 wrote to memory of 2636	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	sc.exe
PID 2476 wrote to memory of 2616	2476	xkybddbo.exe	svchost.exe
PID 2476 wrote to memory of 2616	2476	xkybddbo.exe	svchost.exe
PID 2476 wrote to memory of 2616	2476	xkybddbo.exe	svchost.exe
PID 2476 wrote to memory of 2616	2476	xkybddbo.exe	svchost.exe
PID 2476 wrote to memory of 2616	2476	xkybddbo.exe	svchost.exe
PID 2476 wrote to memory of 2616	2476	xkybddbo.exe	svchost.exe
PID 1924 wrote to memory of 2480	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	netsh.exe
PID 1924 wrote to memory of 2480	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	netsh.exe
PID 1924 wrote to memory of 2480	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	netsh.exe
PID 1924 wrote to memory of 2480	1924	2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1924

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\btbqppdy\
2⤵
PID:1272

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xkybddbo.exe" C:\Windows\SysWOW64\btbqppdy\
2⤵
PID:2596

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create btbqppdy binPath= "C:\Windows\SysWOW64\btbqppdy\xkybddbo.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2556

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description btbqppdy "wifi internet conection"
2⤵
- Launches sc.exe
PID:3004

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start btbqppdy
2⤵
- Launches sc.exe
PID:2636

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:2480

C:\Windows\SysWOW64\btbqppdy\xkybddbo.exe
C:\Windows\SysWOW64\btbqppdy\xkybddbo.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-07-01_5d2e671530ea99e8d6211a1c38fdbbbe_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2476

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:2616

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\xkybddbo.exe

Filesize
11.9MB

MD5
805b95067720f350fae7b19b6ddd9024

SHA1
a3823c79f03f6e740bea5868a4fe7eae947071a1

SHA256
1f2d476bb21965420827b2a4c66dcd771565efb8847c29d6766ddf05c2d65fbf

SHA512
4767424ddd2bea7945f53df7b998a22b1a66378a82ed5596f96f18cf83dc6885b2b5304df729f677a0849b090d0e3566495b0c30f4d624becfa2b0fb1d941c7a

Download Submit
memory/1924-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/1924-13-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1924-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2476-11-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2616-10-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2616-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-7-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2616-15-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2616-16-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads