tofsee | 2f1b23eb1c673bd219f3a3ddcaae4fb4bccf8c66482089e103d21a875d240391

General

Target

2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe
Size

12.8MB
MD5

e25846b398ee51b878603d5b8fd8af11
SHA1

34d90d0997fe5507132e4c935801bc863e1adc4c
SHA256

2f1b23eb1c673bd219f3a3ddcaae4fb4bccf8c66482089e103d21a875d240391
SHA512

12a46f6dba8711bae6b4e350bcd8a8016131451664fab91c3faec66ade5a0c4e57f563dec34333f0ea29ce3104d011d67401af8861487fde4e9f8316c42b516c
SSDEEP

3072:iLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:LOMdRQr7OB0ypmMXnl8XEPM3noSWOC

Score

10^/10

tofsee discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1700	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\ilvazqgd\ImagePath = "C:\\Windows\\SysWOW64\\ilvazqgd\\gftvjghz.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe

Deletes itself 1 IoCs

pid	Process
528	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1408	gftvjghz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1408 set thread context of 528	1408	gftvjghz.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
3272	sc.exe
3324	sc.exe
1220	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
244	1236	WerFault.exe	81
4660	1408	WerFault.exe	92

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	2024-12-31_e25846b398ee51b878603d5b8fd8af11_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gftvjghz.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 2276	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	82
PID 1236 wrote to memory of 2276	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	82
PID 1236 wrote to memory of 2276	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	82
PID 1236 wrote to memory of 3528	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	84
PID 1236 wrote to memory of 3528	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	84
PID 1236 wrote to memory of 3528	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	84
PID 1236 wrote to memory of 1220	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	86
PID 1236 wrote to memory of 1220	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	86
PID 1236 wrote to memory of 1220	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	86
PID 1236 wrote to memory of 3272	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	88
PID 1236 wrote to memory of 3272	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	88
PID 1236 wrote to memory of 3272	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	88
PID 1236 wrote to memory of 3324	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	90
PID 1236 wrote to memory of 3324	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	90
PID 1236 wrote to memory of 3324	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	90
PID 1236 wrote to memory of 1700	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	93
PID 1236 wrote to memory of 1700	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	93
PID 1236 wrote to memory of 1700	1236	2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe	93
PID 1408 wrote to memory of 528	1408	gftvjghz.exe	98
PID 1408 wrote to memory of 528	1408	gftvjghz.exe	98
PID 1408 wrote to memory of 528	1408	gftvjghz.exe	98
PID 1408 wrote to memory of 528	1408	gftvjghz.exe	98
PID 1408 wrote to memory of 528	1408	gftvjghz.exe	98

C:\Users\Admin\AppData\Local\Temp\2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ilvazqgd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2276
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gftvjghz.exe" C:\Windows\SysWOW64\ilvazqgd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ilvazqgd binPath= "C:\Windows\SysWOW64\ilvazqgd\gftvjghz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1220
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ilvazqgd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3272
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ilvazqgd
  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:1700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 664
  2⤵
  - Program crash
  PID:244

C:\Windows\SysWOW64\ilvazqgd\gftvjghz.exe
C:\Windows\SysWOW64\ilvazqgd\gftvjghz.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-31_e25846b398ee51b878603d5b8fd8af11_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 508
  2⤵
  - Program crash
  PID:4660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1236 -ip 1236
1⤵
PID:3792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1408 -ip 1408
1⤵
PID:4212

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\gftvjghz.exe

Filesize
11.4MB

MD5
840d716156643d3baf6c0620c979fba9

SHA1
e884c5731bf03682f31624bdfacff2c1c94628a3

SHA256
dbc122be9f4efe7f3ac0395bee69ffe3208f045d0222aeb8f07029b2705aff1f

SHA512
97335630ea7b8feb3b2843ecfcaa57e08d0deb4b9bde1bbe1f9964da0fe6708859b3cb334ad37820752a8b11995b2cadbad356f5cd111602584ec85dd09d4916

Download Submit
memory/528-14-0x0000000000890000-0x00000000008A5000-memory.dmp

Filesize
84KB

Download
memory/528-17-0x0000000000890000-0x00000000008A5000-memory.dmp

Filesize
84KB

Download
memory/528-16-0x0000000000890000-0x00000000008A5000-memory.dmp

Filesize
84KB

Download
memory/1236-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1236-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/1236-1-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1236-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1236-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1236-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/1408-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1408-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1408-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1408-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads