tofsee | fdb2e8d2bf18a8f52c8051d5a2c787bfd2478b8d0f8781e7844a40c831489520

General

Target

2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe
Size

13.9MB
MD5

d186528ba7effe1b0750d9a52d8ab789
SHA1

f5bdea7c9a29b0f3b2ceadc964a338410bf2ca35
SHA256

fdb2e8d2bf18a8f52c8051d5a2c787bfd2478b8d0f8781e7844a40c831489520
SHA512

56ea21d272929b93c7527376cee72f2e7aab277cbc3d1f9b4390479d75e0d4c87532b243514c46cd0a43dd64de26d617834bdcda4e2399107befe02d229d3dc8
SSDEEP

6144:nLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ1:MTYe+D2jFu+iZoUFhAz

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
1652	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\ixwvoyac\ImagePath = "C:\\Windows\\SysWOW64\\ixwvoyac\\tgspivak.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe

Deletes itself 1 IoCs

pid	Process
2212	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	tgspivak.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2212	2796	tgspivak.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
1708	sc.exe
4928	sc.exe
4184	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
4372	4752	WerFault.exe	82
2040	2796	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_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	tgspivak.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	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 4752 wrote to memory of 1016	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	83
PID 4752 wrote to memory of 1016	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	83
PID 4752 wrote to memory of 1016	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	83
PID 4752 wrote to memory of 1488	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	85
PID 4752 wrote to memory of 1488	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	85
PID 4752 wrote to memory of 1488	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	85
PID 4752 wrote to memory of 1708	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	87
PID 4752 wrote to memory of 1708	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	87
PID 4752 wrote to memory of 1708	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	87
PID 4752 wrote to memory of 4928	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	89
PID 4752 wrote to memory of 4928	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	89
PID 4752 wrote to memory of 4928	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	89
PID 4752 wrote to memory of 4184	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	92
PID 4752 wrote to memory of 4184	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	92
PID 4752 wrote to memory of 4184	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	92
PID 2796 wrote to memory of 2212	2796	tgspivak.exe	95
PID 2796 wrote to memory of 2212	2796	tgspivak.exe	95
PID 2796 wrote to memory of 2212	2796	tgspivak.exe	95
PID 2796 wrote to memory of 2212	2796	tgspivak.exe	95
PID 2796 wrote to memory of 2212	2796	tgspivak.exe	95
PID 4752 wrote to memory of 1652	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	96
PID 4752 wrote to memory of 1652	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	96
PID 4752 wrote to memory of 1652	4752	2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe	96

C:\Users\Admin\AppData\Local\Temp\2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ixwvoyac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tgspivak.exe" C:\Windows\SysWOW64\ixwvoyac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1488
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ixwvoyac binPath= "C:\Windows\SysWOW64\ixwvoyac\tgspivak.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ixwvoyac "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4928
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ixwvoyac
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4184
- 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:1652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 1040
  2⤵
  - Program crash
  PID:4372

C:\Windows\SysWOW64\ixwvoyac\tgspivak.exe
C:\Windows\SysWOW64\ixwvoyac\tgspivak.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_d186528ba7effe1b0750d9a52d8ab789_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 532
  2⤵
  - Program crash
  PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4752 -ip 4752
1⤵
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2796 -ip 2796
1⤵
PID:4908

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tgspivak.exe

Filesize
11.8MB

MD5
3bb636bf5209b87379f5064dfa6d0224

SHA1
2f2dddb4fca48843e2af0d8c94e85233b2b90c27

SHA256
1666ef0a76eb0527035df16f27dd71bcadb7ee962068d3ec54ee879e334e4005

SHA512
ac34436a8dbac809c32bb5be3a3170f67725dce58f237a0410df41687f130fa529fe1af4a346d62bcfc82f55647dc7ea5673258712b7c83b7c3b1e75156865d6

Download Submit
memory/2212-22-0x0000000000860000-0x0000000000875000-memory.dmp

Filesize
84KB

Download
memory/2212-21-0x0000000000860000-0x0000000000875000-memory.dmp

Filesize
84KB

Download
memory/2212-10-0x0000000000860000-0x0000000000875000-memory.dmp

Filesize
84KB

Download
memory/2212-14-0x0000000000860000-0x0000000000875000-memory.dmp

Filesize
84KB

Download
memory/2212-20-0x0000000000860000-0x0000000000875000-memory.dmp

Filesize
84KB

Download
memory/2796-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2796-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2796-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4752-13-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/4752-18-0x0000000000540000-0x0000000000553000-memory.dmp

Filesize
76KB

Download
memory/4752-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4752-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4752-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/4752-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4752-2-0x0000000000540000-0x0000000000553000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads