tofsee | 3497d7067998701c2bea7bf39fc56497adfe1a4e8a230b5be44692d86c9d127f

General

Target

2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe
Size

12.4MB
MD5

acf0ce65b64c5ab5852b6958b3db703a
SHA1

73c23316ae3703ca16ec98f37cd01dc580ab8294
SHA256

3497d7067998701c2bea7bf39fc56497adfe1a4e8a230b5be44692d86c9d127f
SHA512

fbbf0d5e1619b2f00e129faaebb0e24962804c82f81bd998d329259a148b8779dba8ea8904e942b9ae253441b9fa0d07831985914bf838456476c00163900c8a
SSDEEP

24576:ipomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt1:Goo

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
2300	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\weduhger\ImagePath = "C:\\Windows\\SysWOW64\\weduhger\\tkgnedhl.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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe

Deletes itself 1 IoCs

pid	Process
1828	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2500	tkgnedhl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 1828	2500	tkgnedhl.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
4148	sc.exe
3016	sc.exe
3984	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5056	1244	WerFault.exe	83
5004	2500	WerFault.exe	96

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_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	tkgnedhl.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 4848	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	86
PID 1244 wrote to memory of 4848	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	86
PID 1244 wrote to memory of 4848	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	86
PID 1244 wrote to memory of 1752	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	88
PID 1244 wrote to memory of 1752	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	88
PID 1244 wrote to memory of 1752	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	88
PID 1244 wrote to memory of 4148	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	90
PID 1244 wrote to memory of 4148	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	90
PID 1244 wrote to memory of 4148	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	90
PID 1244 wrote to memory of 3016	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	92
PID 1244 wrote to memory of 3016	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	92
PID 1244 wrote to memory of 3016	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	92
PID 1244 wrote to memory of 3984	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	94
PID 1244 wrote to memory of 3984	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	94
PID 1244 wrote to memory of 3984	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	94
PID 1244 wrote to memory of 2300	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	97
PID 1244 wrote to memory of 2300	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	97
PID 1244 wrote to memory of 2300	1244	2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe	97
PID 2500 wrote to memory of 1828	2500	tkgnedhl.exe	103
PID 2500 wrote to memory of 1828	2500	tkgnedhl.exe	103
PID 2500 wrote to memory of 1828	2500	tkgnedhl.exe	103
PID 2500 wrote to memory of 1828	2500	tkgnedhl.exe	103
PID 2500 wrote to memory of 1828	2500	tkgnedhl.exe	103

C:\Users\Admin\AppData\Local\Temp\2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\weduhger\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tkgnedhl.exe" C:\Windows\SysWOW64\weduhger\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create weduhger binPath= "C:\Windows\SysWOW64\weduhger\tkgnedhl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4148
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description weduhger "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3016
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start weduhger
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3984
- 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:2300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1032
  2⤵
  - Program crash
  PID:5056

C:\Windows\SysWOW64\weduhger\tkgnedhl.exe
C:\Windows\SysWOW64\weduhger\tkgnedhl.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_acf0ce65b64c5ab5852b6958b3db703a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 516
  2⤵
  - Program crash
  PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1244 -ip 1244
1⤵
PID:1896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2500 -ip 2500
1⤵
PID:4080

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\tkgnedhl.exe

Filesize
12.6MB

MD5
6e59ddf37ef9c74f4be8476ab96432d1

SHA1
7fa1c64e0e2b405cafb77e676efe4a1895623228

SHA256
6a9cd7c08d735710bc1d8c012aefddf1175e84ee1be1118b4c2c314f7efd48c9

SHA512
659598c4ce7ef5cbd56f8fc244a6d4130240bfdd0b65cc00a45b6fb4c9f15af9eb084fb78097549aa599a45dd34fc4b0b8600430a2eb967df770089b89826a87

Download Submit
memory/1244-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1244-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1244-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/1244-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1244-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/1244-1-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/1828-14-0x0000000000340000-0x0000000000355000-memory.dmp

Filesize
84KB

Download
memory/1828-16-0x0000000000340000-0x0000000000355000-memory.dmp

Filesize
84KB

Download
memory/1828-17-0x0000000000340000-0x0000000000355000-memory.dmp

Filesize
84KB

Download
memory/2500-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2500-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2500-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2500-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads