tofsee | d7e99265d57a9e1b7582848835b5c2e9b81d5118ab6a69cea1937bc045873991

General

Target

2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe
Size

14.9MB
MD5

01bf0b9dde9e72ff9fb98366b844aee6
SHA1

730f1ca9c44ca960abec545ea63a0e1242f4558b
SHA256

d7e99265d57a9e1b7582848835b5c2e9b81d5118ab6a69cea1937bc045873991
SHA512

7552af928706bf09c6156578367f33f3547fdf4943a2ee3f67ffbe761f62831871c2a89c4a3205be2d2db6a7b8c82b2ca770ab5a8c0141d1316ffcba265c38e2
SSDEEP

393216:lXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

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
4248	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\xwxgqawp\ImagePath = "C:\\Windows\\SysWOW64\\xwxgqawp\\vhgufpxr.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe

Deletes itself 1 IoCs

pid	Process
3796	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3356	vhgufpxr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3356 set thread context of 3796	3356	vhgufpxr.exe	93

Launches sc.exe 3 IoCs

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

pid	Process
4992	sc.exe
3324	sc.exe
3120	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	vhgufpxr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 3664	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	82
PID 2216 wrote to memory of 3664	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	82
PID 2216 wrote to memory of 3664	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	82
PID 2216 wrote to memory of 4348	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	84
PID 2216 wrote to memory of 4348	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	84
PID 2216 wrote to memory of 4348	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	84
PID 2216 wrote to memory of 3120	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	86
PID 2216 wrote to memory of 3120	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	86
PID 2216 wrote to memory of 3120	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	86
PID 2216 wrote to memory of 4992	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	88
PID 2216 wrote to memory of 4992	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	88
PID 2216 wrote to memory of 4992	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	88
PID 2216 wrote to memory of 3324	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	90
PID 2216 wrote to memory of 3324	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	90
PID 2216 wrote to memory of 3324	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	90
PID 3356 wrote to memory of 3796	3356	vhgufpxr.exe	93
PID 3356 wrote to memory of 3796	3356	vhgufpxr.exe	93
PID 3356 wrote to memory of 3796	3356	vhgufpxr.exe	93
PID 2216 wrote to memory of 4248	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	94
PID 2216 wrote to memory of 4248	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	94
PID 2216 wrote to memory of 4248	2216	2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe	94
PID 3356 wrote to memory of 3796	3356	vhgufpxr.exe	93
PID 3356 wrote to memory of 3796	3356	vhgufpxr.exe	93

C:\Users\Admin\AppData\Local\Temp\2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xwxgqawp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vhgufpxr.exe" C:\Windows\SysWOW64\xwxgqawp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4348
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xwxgqawp binPath= "C:\Windows\SysWOW64\xwxgqawp\vhgufpxr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3120
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xwxgqawp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4992
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xwxgqawp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3324
- 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:4248

C:\Windows\SysWOW64\xwxgqawp\vhgufpxr.exe
C:\Windows\SysWOW64\xwxgqawp\vhgufpxr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_01bf0b9dde9e72ff9fb98366b844aee6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3796

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\vhgufpxr.exe

Filesize
12.8MB

MD5
6bbb1b96d86b5e75210e072ff01b8743

SHA1
fdbf5e759bbd2a96907da7ac1f08594433257547

SHA256
1e2bb2ad1324bafac559c6fc1411ed67f9585733298f50ff71c224a115cd9806

SHA512
56e0db9658d72699713c9274b04610fcc80b21a64af13190512512d91e89bcd93d8fb4c08aac19b744348dbe752e2055d4923c56d39278f2c2c0a920bcc81c13

Download Submit
memory/2216-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2216-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2216-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2216-2-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2216-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2216-15-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/3356-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3356-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3356-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3356-19-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3796-11-0x0000000000FA0000-0x0000000000FB5000-memory.dmp

Filesize
84KB

Download
memory/3796-17-0x0000000000FA0000-0x0000000000FB5000-memory.dmp

Filesize
84KB

Download
memory/3796-20-0x0000000000FA0000-0x0000000000FB5000-memory.dmp

Filesize
84KB

Download
memory/3796-21-0x0000000000FA0000-0x0000000000FB5000-memory.dmp

Filesize
84KB

Download
memory/3796-22-0x0000000000FA0000-0x0000000000FB5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads