tofsee | 1353256ab0a8e7ec45d22c075cdf413dffd5c945297aca835b604add7f29d817

Analysis

max time kernel
147s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 12:06

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General

Target

2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe
Size

11.7MB
MD5

7ee3b912e1f5a5e3522f1852c0ae22f3
SHA1

c984f0f5ce389d3fa971a989a4e8bf99ecb9f7a6
SHA256

1353256ab0a8e7ec45d22c075cdf413dffd5c945297aca835b604add7f29d817
SHA512

7ee8dd8186ce83726ede8028bf450b4d87a489ce7cd45a5d963f97517bfa102abf4850d35b33c2a346698f78108fc11ad6a0f2777697fa7294e51a4d28a58c80
SSDEEP

196608:NyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXO:YXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX+

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\xmtdupo = "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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3060	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\xmtdupo\ImagePath = "C:\\Windows\\SysWOW64\\xmtdupo\\zmyvobgq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2668	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	zmyvobgq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2668	2828	zmyvobgq.exe	42

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2768	sc.exe
2868	sc.exe
2928	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zmyvobgq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2228	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	29
PID 1704 wrote to memory of 2228	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	29
PID 1704 wrote to memory of 2228	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	29
PID 1704 wrote to memory of 2228	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	29
PID 1704 wrote to memory of 2804	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	31
PID 1704 wrote to memory of 2804	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	31
PID 1704 wrote to memory of 2804	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	31
PID 1704 wrote to memory of 2804	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	31
PID 1704 wrote to memory of 2928	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	33
PID 1704 wrote to memory of 2928	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	33
PID 1704 wrote to memory of 2928	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	33
PID 1704 wrote to memory of 2928	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	33
PID 1704 wrote to memory of 2768	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	35
PID 1704 wrote to memory of 2768	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	35
PID 1704 wrote to memory of 2768	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	35
PID 1704 wrote to memory of 2768	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	35
PID 1704 wrote to memory of 2868	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	37
PID 1704 wrote to memory of 2868	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	37
PID 1704 wrote to memory of 2868	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	37
PID 1704 wrote to memory of 2868	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	37
PID 1704 wrote to memory of 3060	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	39
PID 1704 wrote to memory of 3060	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	39
PID 1704 wrote to memory of 3060	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	39
PID 1704 wrote to memory of 3060	1704	2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe	39
PID 2828 wrote to memory of 2668	2828	zmyvobgq.exe	42
PID 2828 wrote to memory of 2668	2828	zmyvobgq.exe	42
PID 2828 wrote to memory of 2668	2828	zmyvobgq.exe	42
PID 2828 wrote to memory of 2668	2828	zmyvobgq.exe	42
PID 2828 wrote to memory of 2668	2828	zmyvobgq.exe	42
PID 2828 wrote to memory of 2668	2828	zmyvobgq.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xmtdupo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zmyvobgq.exe" C:\Windows\SysWOW64\xmtdupo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xmtdupo binPath= "C:\Windows\SysWOW64\xmtdupo\zmyvobgq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2928
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xmtdupo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xmtdupo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2868
- 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
  - System Location Discovery: System Language Discovery
  PID:3060

C:\Windows\SysWOW64\xmtdupo\zmyvobgq.exe
C:\Windows\SysWOW64\xmtdupo\zmyvobgq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_7ee3b912e1f5a5e3522f1852c0ae22f3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.7MB

MD5
f6b3c52bcb52e2b2354a4bd71522ad92

SHA1
87b6644ef87bd6ddd02fee7a6be51d75ee531ee8

SHA256
5a36e277dc459fe96fd3ce27f0893fde65cb91b6916210edbed9a50678d4fd58

SHA512
4baba6c7bfe11f815ceca12d5286c369e6d5b978985820f438276eda5f59da0a1dfb9a4cddff03bdb70e36fa34ce4ad894c42e9c5c25cf1ff7aaadc31229c306

Download Submit
memory/1704-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1704-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1704-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1704-7-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1704-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1704-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2668-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2668-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2668-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2668-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2828-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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