tofsee | 06bd0dc28db9c7f463fd3c178a0eef882b4cdbff118d95389b1cafa8ab93e617

General

Target

2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe
Size

11.1MB
MD5

f48605f506b20afc9f3bc5a77d0c373f
SHA1

e1bcbb011c3ed1496a13314bc72cf1700b2f7e96
SHA256

06bd0dc28db9c7f463fd3c178a0eef882b4cdbff118d95389b1cafa8ab93e617
SHA512

cd8cf10385f06585196dfc18e3a548972b2274aeb4404ce6b58aedc36139190cade4d2d35387bda48895551beb2d35d82ad13a3edf0d7870d592bca5725a4f19
SSDEEP

196608:/yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn:aXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3

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
1272	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\rhwxdih\ImagePath = "C:\\Windows\\SysWOW64\\rhwxdih\\psyshsdj.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-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe

Deletes itself 1 IoCs

pid	Process
3876	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5088	psyshsdj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5088 set thread context of 3876	5088	psyshsdj.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
376	sc.exe
3688	sc.exe
2312	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	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.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
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	psyshsdj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2956	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	86
PID 3056 wrote to memory of 2956	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	86
PID 3056 wrote to memory of 2956	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	86
PID 3056 wrote to memory of 3424	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	88
PID 3056 wrote to memory of 3424	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	88
PID 3056 wrote to memory of 3424	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	88
PID 3056 wrote to memory of 376	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	90
PID 3056 wrote to memory of 376	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	90
PID 3056 wrote to memory of 376	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	90
PID 3056 wrote to memory of 3688	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	94
PID 3056 wrote to memory of 3688	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	94
PID 3056 wrote to memory of 3688	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	94
PID 3056 wrote to memory of 2312	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	97
PID 3056 wrote to memory of 2312	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	97
PID 3056 wrote to memory of 2312	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	97
PID 5088 wrote to memory of 3876	5088	psyshsdj.exe	100
PID 5088 wrote to memory of 3876	5088	psyshsdj.exe	100
PID 5088 wrote to memory of 3876	5088	psyshsdj.exe	100
PID 5088 wrote to memory of 3876	5088	psyshsdj.exe	100
PID 5088 wrote to memory of 3876	5088	psyshsdj.exe	100
PID 3056 wrote to memory of 1272	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	101
PID 3056 wrote to memory of 1272	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	101
PID 3056 wrote to memory of 1272	3056	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rhwxdih\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\psyshsdj.exe" C:\Windows\SysWOW64\rhwxdih\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rhwxdih binPath= "C:\Windows\SysWOW64\rhwxdih\psyshsdj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:376
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rhwxdih "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rhwxdih
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2312
- 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:1272

C:\Windows\SysWOW64\rhwxdih\psyshsdj.exe
C:\Windows\SysWOW64\rhwxdih\psyshsdj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3876

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\psyshsdj.exe

Filesize
12.8MB

MD5
5f4784fb7f515343b3f20504be086aa2

SHA1
c6e8ce48cdc12959d2f437966e4b6f9e6741ad81

SHA256
64e21229c8aa0d0cd5f8c0b1ec2db0c0a6eb94cb4d8bb3e1bf531c4452342296

SHA512
00395faca8eb2fd9b127d8ce1afac4a47e7d92eacdcdfd35173bef824a13cab4774d8f6e2af84ae64818c93b306dd9ae040f47249e81cf65ff85c3061d184ae0

Download Submit
memory/3056-16-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3056-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3056-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3056-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/3056-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3056-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3876-11-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/3876-19-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/3876-20-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/3876-21-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/3876-22-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/5088-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/5088-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/5088-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/5088-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads