tofsee | 8711e4d61eada87960a6eabf68333d34eb77be617505928c39dbbca8970a23aa

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 19:57

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General

Target

2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe
Size

12.7MB
MD5

23149380cb2e21f3ac8604d27606930f
SHA1

8336412d09509079439da4ed413caebe4396cb0b
SHA256

8711e4d61eada87960a6eabf68333d34eb77be617505928c39dbbca8970a23aa
SHA512

3472ea7bd514674d35a2af413709e2494115845c29b575f20aa868eceb6dbc507fac19ed956370c9b7afe158af6cb4ab9849c2a6b43ddcc44dfd84246ac3197e
SSDEEP

24576:7pomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttX:Noo

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\zojinw = "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
2816	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\zojinw\ImagePath = "C:\\Windows\\SysWOW64\\zojinw\\xgafxwrn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2212	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3008	xgafxwrn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 2212	3008	xgafxwrn.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
3020	sc.exe
2808	sc.exe
2944	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	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	2025-02-01_23149380cb2e21f3ac8604d27606930f_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	xgafxwrn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2624	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	30
PID 3064 wrote to memory of 2624	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	30
PID 3064 wrote to memory of 2624	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	30
PID 3064 wrote to memory of 2624	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	30
PID 3064 wrote to memory of 2536	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	32
PID 3064 wrote to memory of 2536	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	32
PID 3064 wrote to memory of 2536	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	32
PID 3064 wrote to memory of 2536	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	32
PID 3064 wrote to memory of 3020	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	34
PID 3064 wrote to memory of 3020	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	34
PID 3064 wrote to memory of 3020	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	34
PID 3064 wrote to memory of 3020	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	34
PID 3064 wrote to memory of 2808	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	36
PID 3064 wrote to memory of 2808	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	36
PID 3064 wrote to memory of 2808	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	36
PID 3064 wrote to memory of 2808	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	36
PID 3064 wrote to memory of 2944	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	38
PID 3064 wrote to memory of 2944	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	38
PID 3064 wrote to memory of 2944	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	38
PID 3064 wrote to memory of 2944	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	38
PID 3008 wrote to memory of 2212	3008	xgafxwrn.exe	41
PID 3008 wrote to memory of 2212	3008	xgafxwrn.exe	41
PID 3008 wrote to memory of 2212	3008	xgafxwrn.exe	41
PID 3008 wrote to memory of 2212	3008	xgafxwrn.exe	41
PID 3008 wrote to memory of 2212	3008	xgafxwrn.exe	41
PID 3008 wrote to memory of 2212	3008	xgafxwrn.exe	41
PID 3064 wrote to memory of 2816	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	42
PID 3064 wrote to memory of 2816	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	42
PID 3064 wrote to memory of 2816	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	42
PID 3064 wrote to memory of 2816	3064	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zojinw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2624
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xgafxwrn.exe" C:\Windows\SysWOW64\zojinw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zojinw binPath= "C:\Windows\SysWOW64\zojinw\xgafxwrn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zojinw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zojinw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2944
- 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:2816

C:\Windows\SysWOW64\zojinw\xgafxwrn.exe
C:\Windows\SysWOW64\zojinw\xgafxwrn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- 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:2212

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\xgafxwrn.exe

Filesize
12.3MB

MD5
a9b9fead0585fea847acde2e70a927f9

SHA1
703525ff3117343913b71f9377b416d3e1c0d86f

SHA256
1ef7ed1e19e429f09cc580d32abaf31bc0681712e738a13d8b35dfae7799f062

SHA512
c2339070f19c3ae47ba1dd83768a8efd6d0b12b620537d4938b9b5533e05fbdc51696cee08ead4ae69da1206ebddae0bfaf1751ba3f62401e33a7da01efbb046

Download Submit
memory/2212-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2212-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2212-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2212-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2212-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3008-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3064-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/3064-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3064-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3064-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3064-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3064-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads