tofsee | 19544edd81e75d23b18c75b84e4e2147423eb2d4a1817b390162e2f93e155e18

General

Target

2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe
Size

12.8MB
MD5

cddf3c9c81e287280e20bd8c6ba80e09
SHA1

19de6dffffcf20bf0c959e055746965661eedcb5
SHA256

19544edd81e75d23b18c75b84e4e2147423eb2d4a1817b390162e2f93e155e18
SHA512

65caf2ef1f5eb833ea417de8e69c1b93ae0489fce0c6d469a49bc6033aabd451712168fd4653bec3ed94d4cbc95068aba8b2db3258e753299cf6852769b4dbb9
SSDEEP

6144:eLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQI:PTYe+D2jFu+iZoUFhAz

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
208	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\nbbgahmm\ImagePath = "C:\\Windows\\SysWOW64\\nbbgahmm\\tsgiwtum.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe

Deletes itself 1 IoCs

pid	Process
4788	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
212	tsgiwtum.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 212 set thread context of 4788	212	tsgiwtum.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
4640	sc.exe
2552	sc.exe
2908	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
768	4224	WerFault.exe	81
2648	212	WerFault.exe	94

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	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tsgiwtum.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	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 4224 wrote to memory of 5060	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	82
PID 4224 wrote to memory of 5060	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	82
PID 4224 wrote to memory of 5060	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	82
PID 4224 wrote to memory of 3692	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	85
PID 4224 wrote to memory of 3692	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	85
PID 4224 wrote to memory of 3692	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	85
PID 4224 wrote to memory of 4640	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	87
PID 4224 wrote to memory of 4640	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	87
PID 4224 wrote to memory of 4640	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	87
PID 4224 wrote to memory of 2552	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	89
PID 4224 wrote to memory of 2552	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	89
PID 4224 wrote to memory of 2552	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	89
PID 4224 wrote to memory of 2908	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	92
PID 4224 wrote to memory of 2908	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	92
PID 4224 wrote to memory of 2908	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	92
PID 4224 wrote to memory of 208	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	95
PID 4224 wrote to memory of 208	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	95
PID 4224 wrote to memory of 208	4224	2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe	95
PID 212 wrote to memory of 4788	212	tsgiwtum.exe	101
PID 212 wrote to memory of 4788	212	tsgiwtum.exe	101
PID 212 wrote to memory of 4788	212	tsgiwtum.exe	101
PID 212 wrote to memory of 4788	212	tsgiwtum.exe	101
PID 212 wrote to memory of 4788	212	tsgiwtum.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nbbgahmm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tsgiwtum.exe" C:\Windows\SysWOW64\nbbgahmm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nbbgahmm binPath= "C:\Windows\SysWOW64\nbbgahmm\tsgiwtum.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nbbgahmm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2552
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nbbgahmm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- 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:208
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1120
  2⤵
  - Program crash
  PID:768

C:\Windows\SysWOW64\nbbgahmm\tsgiwtum.exe
C:\Windows\SysWOW64\nbbgahmm\tsgiwtum.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-18_cddf3c9c81e287280e20bd8c6ba80e09_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:212
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4788
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 512
  2⤵
  - Program crash
  PID:2648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4224 -ip 4224
1⤵
PID:2476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 212 -ip 212
1⤵
PID:5112

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\tsgiwtum.exe

Filesize
11.5MB

MD5
417b288892c451d4e5c27578d691fd61

SHA1
7507e81d2a65167ce08fbc2360969b83515bf928

SHA256
0aa2e1cbe5027944eaa707b96b6fc71e4dc60caceae856bdcc969d53dd9ee7d5

SHA512
5bb5aaa98f97df107a95048f7f6b4101b6d2a128bd078768341759803aabea2d0431e23549372e5682ab28af01ef775c7a5a170e7f5d79e551188896a9aa8c10

Download Submit
memory/212-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/212-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/212-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4224-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4224-2-0x0000000000740000-0x0000000000753000-memory.dmp

Filesize
76KB

Download
memory/4224-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4224-11-0x0000000000740000-0x0000000000753000-memory.dmp

Filesize
76KB

Download
memory/4224-1-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/4224-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4788-13-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download
memory/4788-16-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download
memory/4788-17-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download
memory/4788-18-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads