tofsee | 52bc79b83bbd36dc3ff01ac8b59d89fcff153709c38a2fd3230a79e39b208666

General

Target

2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe
Size

11.5MB
MD5

a7cf68ead4343052bd4898ee3a507bb6
SHA1

e56c4db1b90a42e099280911a3707037c7ce7dc1
SHA256

52bc79b83bbd36dc3ff01ac8b59d89fcff153709c38a2fd3230a79e39b208666
SHA512

043df7fecb6ac4d8e98893e4f9ece710b120529ffd8f43cbb874dca949b1d8b7187e6201fc55bf9a121e8ffd94456ce0ac211cb04a6441f7617883e1d5c1670f
SSDEEP

196608:MyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXB:RXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXR

Score

10^/10

tofsee defense_evasion discovery 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
Tofsee family
tofsee
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
2072	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\jaiobzew\ImagePath = "C:\\Windows\\SysWOW64\\jaiobzew\\vakfzlik.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-194335498-2604837297-537231065-1000\Control Panel\International\Geo\Nation	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe

Deletes itself 1 IoCs

pid	Process
1268	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2944	vakfzlik.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2944 set thread context of 1268	2944	vakfzlik.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
1072	sc.exe
244	sc.exe
4932	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 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

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vakfzlik.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 2224	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	85
PID 4272 wrote to memory of 2224	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	85
PID 4272 wrote to memory of 2224	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	85
PID 4272 wrote to memory of 4580	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	87
PID 4272 wrote to memory of 4580	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	87
PID 4272 wrote to memory of 4580	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	87
PID 4272 wrote to memory of 1072	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	89
PID 4272 wrote to memory of 1072	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	89
PID 4272 wrote to memory of 1072	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	89
PID 4272 wrote to memory of 244	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	91
PID 4272 wrote to memory of 244	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	91
PID 4272 wrote to memory of 244	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	91
PID 4272 wrote to memory of 4932	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	93
PID 4272 wrote to memory of 4932	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	93
PID 4272 wrote to memory of 4932	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	93
PID 2944 wrote to memory of 1268	2944	vakfzlik.exe	96
PID 2944 wrote to memory of 1268	2944	vakfzlik.exe	96
PID 2944 wrote to memory of 1268	2944	vakfzlik.exe	96
PID 2944 wrote to memory of 1268	2944	vakfzlik.exe	96
PID 2944 wrote to memory of 1268	2944	vakfzlik.exe	96
PID 4272 wrote to memory of 2072	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	97
PID 4272 wrote to memory of 2072	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	97
PID 4272 wrote to memory of 2072	4272	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	97

C:\Users\Admin\AppData\Local\Temp\2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jaiobzew\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vakfzlik.exe" C:\Windows\SysWOW64\jaiobzew\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jaiobzew binPath= "C:\Windows\SysWOW64\jaiobzew\vakfzlik.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1072
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jaiobzew "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:244
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jaiobzew
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4932
- 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:2072

C:\Windows\SysWOW64\jaiobzew\vakfzlik.exe
C:\Windows\SysWOW64\jaiobzew\vakfzlik.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1268

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
12.1MB

MD5
eadb9351ec6aa98b16059100145cd437

SHA1
f01bd9e00ee3074a5df8090bdfb5626261e8a9f2

SHA256
89334c58d65d545ed167a763b9e86a02f01681d40f95a4566ef1e829a6e495fe

SHA512
a57d4d087482a985750d4c0151d30ff9bc2700799a2b2dad59987a0c46841c94a0bdbc2140a2bc189c9f46e73e7905f5739ca6a77b29627db8c3a567712e7393

Download Submit
memory/1268-11-0x0000000001230000-0x0000000001245000-memory.dmp

Filesize
84KB

Download
memory/1268-21-0x0000000001230000-0x0000000001245000-memory.dmp

Filesize
84KB

Download
memory/1268-20-0x0000000001230000-0x0000000001245000-memory.dmp

Filesize
84KB

Download
memory/1268-19-0x0000000001230000-0x0000000001245000-memory.dmp

Filesize
84KB

Download
memory/1268-15-0x0000000001230000-0x0000000001245000-memory.dmp

Filesize
84KB

Download
memory/2944-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2944-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2944-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2944-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4272-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4272-17-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4272-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4272-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4272-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/4272-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads