tofsee | 8bd75372f704a8b6eebf3187b250c7a1bd885760d47b9191a4603b08645dc59b

Analysis

max time kernel
148s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 16:39

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General

Target

2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe
Size

11.7MB
MD5

b0fd4e430712651728eeef94f1698a34
SHA1

e7dc567b45b5aec4a0bf1e9b3377a12ce7456c43
SHA256

8bd75372f704a8b6eebf3187b250c7a1bd885760d47b9191a4603b08645dc59b
SHA512

695dd9016b2c2e7d092f23489988c7ae06986fd6423abd4314c2048754b22ee9fc830560e461d25cb61f4708f98d1d6f19322ea74b529eb849b2e223273ee314
SSDEEP

24576:06WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQp:ZWdLQkH

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\wjmvsac = "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
2888	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\wjmvsac\ImagePath = "C:\\Windows\\SysWOW64\\wjmvsac\\dgmgvgrx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3056	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2972	dgmgvgrx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 3056	2972	dgmgvgrx.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2156	sc.exe
2904	sc.exe
2148	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	2025-01-31_b0fd4e430712651728eeef94f1698a34_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	dgmgvgrx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 2532	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	29
PID 108 wrote to memory of 2532	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	29
PID 108 wrote to memory of 2532	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	29
PID 108 wrote to memory of 2532	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	29
PID 108 wrote to memory of 844	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	31
PID 108 wrote to memory of 844	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	31
PID 108 wrote to memory of 844	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	31
PID 108 wrote to memory of 844	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	31
PID 108 wrote to memory of 2156	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	33
PID 108 wrote to memory of 2156	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	33
PID 108 wrote to memory of 2156	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	33
PID 108 wrote to memory of 2156	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	33
PID 108 wrote to memory of 2904	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	35
PID 108 wrote to memory of 2904	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	35
PID 108 wrote to memory of 2904	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	35
PID 108 wrote to memory of 2904	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	35
PID 108 wrote to memory of 2148	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	37
PID 108 wrote to memory of 2148	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	37
PID 108 wrote to memory of 2148	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	37
PID 108 wrote to memory of 2148	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	37
PID 108 wrote to memory of 2888	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	39
PID 108 wrote to memory of 2888	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	39
PID 108 wrote to memory of 2888	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	39
PID 108 wrote to memory of 2888	108	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	39
PID 2972 wrote to memory of 3056	2972	dgmgvgrx.exe	42
PID 2972 wrote to memory of 3056	2972	dgmgvgrx.exe	42
PID 2972 wrote to memory of 3056	2972	dgmgvgrx.exe	42
PID 2972 wrote to memory of 3056	2972	dgmgvgrx.exe	42
PID 2972 wrote to memory of 3056	2972	dgmgvgrx.exe	42
PID 2972 wrote to memory of 3056	2972	dgmgvgrx.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wjmvsac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dgmgvgrx.exe" C:\Windows\SysWOW64\wjmvsac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wjmvsac binPath= "C:\Windows\SysWOW64\wjmvsac\dgmgvgrx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wjmvsac "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wjmvsac
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2148
- 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:2888

C:\Windows\SysWOW64\wjmvsac\dgmgvgrx.exe
C:\Windows\SysWOW64\wjmvsac\dgmgvgrx.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- 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:3056

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\dgmgvgrx.exe

Filesize
12.9MB

MD5
aea3642f88424eb5fb845a988c5ad23e

SHA1
67fa1c46ba15d4d88c1c0fb212ef428b9266fb59

SHA256
8e0d95376fabe84dd2f9206ceb5c0ed7c3b5913461f9e31c744bbd7f31551e41

SHA512
562c0e3d49c6b2b0f49d6405992f3bd34ee08e21395f3455af18f2deeaae07f86df7e5b955371eb2aabed5e4561f59663b62644b373de2bfc857a0864d185f46

Download Submit
memory/108-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/108-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/108-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/108-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/108-6-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2972-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3056-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3056-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads