tofsee | bbf80b4904843d5fede8d886a9fce8a29895d4a690fdc6b02dc92bb7ae4c9312

General

Target

2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe
Size

10.7MB
MD5

ba51c526a2c007ecadaec92187e263fd
SHA1

a0ef80fc0c3b02666f3344a3ccbbb227d960aaf1
SHA256

bbf80b4904843d5fede8d886a9fce8a29895d4a690fdc6b02dc92bb7ae4c9312
SHA512

0b24d16e3cc00b081ce5575631a4c48e1f65071a670b045e5178537041a106d71068fa1892958b77bb0704c5a3f074c8d96c95dffac8273374348de19853ea19
SSDEEP

49152:YqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP8:YqtYc3z

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
4576	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\xspinnhp\ImagePath = "C:\\Windows\\SysWOW64\\xspinnhp\\hhitopnv.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe

Deletes itself 1 IoCs

pid	Process
3104	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3984	hhitopnv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3984 set thread context of 3104	3984	hhitopnv.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
4844	sc.exe
312	sc.exe
4560	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
1480	4744	WerFault.exe	81
2632	3984	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hhitopnv.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-27_ba51c526a2c007ecadaec92187e263fd_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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 3596	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	82
PID 4744 wrote to memory of 3596	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	82
PID 4744 wrote to memory of 3596	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	82
PID 4744 wrote to memory of 1780	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	84
PID 4744 wrote to memory of 1780	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	84
PID 4744 wrote to memory of 1780	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	84
PID 4744 wrote to memory of 4844	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	86
PID 4744 wrote to memory of 4844	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	86
PID 4744 wrote to memory of 4844	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	86
PID 4744 wrote to memory of 312	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	88
PID 4744 wrote to memory of 312	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	88
PID 4744 wrote to memory of 312	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	88
PID 4744 wrote to memory of 4560	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	90
PID 4744 wrote to memory of 4560	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	90
PID 4744 wrote to memory of 4560	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	90
PID 4744 wrote to memory of 4576	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	93
PID 4744 wrote to memory of 4576	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	93
PID 4744 wrote to memory of 4576	4744	2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe	93
PID 3984 wrote to memory of 3104	3984	hhitopnv.exe	98
PID 3984 wrote to memory of 3104	3984	hhitopnv.exe	98
PID 3984 wrote to memory of 3104	3984	hhitopnv.exe	98
PID 3984 wrote to memory of 3104	3984	hhitopnv.exe	98
PID 3984 wrote to memory of 3104	3984	hhitopnv.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xspinnhp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hhitopnv.exe" C:\Windows\SysWOW64\xspinnhp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1780
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xspinnhp binPath= "C:\Windows\SysWOW64\xspinnhp\hhitopnv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xspinnhp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xspinnhp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4560
- 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:4576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 1032
  2⤵
  - Program crash
  PID:1480

C:\Windows\SysWOW64\xspinnhp\hhitopnv.exe
C:\Windows\SysWOW64\xspinnhp\hhitopnv.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_ba51c526a2c007ecadaec92187e263fd_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3104
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 548
  2⤵
  - Program crash
  PID:2632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4744 -ip 4744
1⤵
PID:3280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3984 -ip 3984
1⤵
PID:2044

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\hhitopnv.exe

Filesize
12.0MB

MD5
7fdd386d377f09fec7937684f6dfd54a

SHA1
cc1ee9b2163c72288c55136481c37f059deb233b

SHA256
b0bde88777d90ea0d44fd519246ae0ed3cc28fe81c94fa313b412e5bd6c7ca4e

SHA512
4e69f932e9bc4f7fe27fc70bde6118d42900c6cecd2ff22fc5cff997784f82ea52fef96352e98fb36aab646003b88b25cbdef7746f6db32a21ee8ab8a9788d2e

Download Submit
memory/3104-8-0x0000000000E00000-0x0000000000E15000-memory.dmp

Filesize
84KB

Download
memory/3104-14-0x0000000000E00000-0x0000000000E15000-memory.dmp

Filesize
84KB

Download
memory/3104-15-0x0000000000E00000-0x0000000000E15000-memory.dmp

Filesize
84KB

Download
memory/3984-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/4744-1-0x0000000003090000-0x0000000003190000-memory.dmp

Filesize
1024KB

Download
memory/4744-2-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

Filesize
76KB

Download
memory/4744-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4744-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4744-11-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

Filesize
76KB

Download
memory/4744-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads