tofsee | c406e74c52d1e76d028b7d3352702995f60fdc7f9ab17f644935286469181001

General

Target

2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe
Size

12.7MB
MD5

8b73c5f1c9a43ca5442c2ba79f3a7fcd
SHA1

53490003ae1d68e6c95bfa94d51c513df914db0e
SHA256

c406e74c52d1e76d028b7d3352702995f60fdc7f9ab17f644935286469181001
SHA512

fcd553453163d01964a68a2afec29d735f0ca58be680f43a535cccdff99ecb6ec383c9dc9725b7e377afeb694272b3a2635a62b71ab6a45599ac20604355d34d
SSDEEP

393216:MXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

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
3956	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\gcpfehhv\ImagePath = "C:\\Windows\\SysWOW64\\gcpfehhv\\mzlibotd.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-1-5-21-1412605595-2147700071-3468511006-1000\Control Panel\International\Geo\Nation	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe

Deletes itself 1 IoCs

pid	Process
3036	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4692	mzlibotd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4692 set thread context of 3036	4692	mzlibotd.exe	99

Launches sc.exe 3 IoCs

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

pid	Process
3456	sc.exe
716	sc.exe
2260	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

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	mzlibotd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_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
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 2624 wrote to memory of 4972	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	86
PID 2624 wrote to memory of 4972	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	86
PID 2624 wrote to memory of 4972	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	86
PID 2624 wrote to memory of 1052	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	88
PID 2624 wrote to memory of 1052	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	88
PID 2624 wrote to memory of 1052	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	88
PID 2624 wrote to memory of 3456	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	90
PID 2624 wrote to memory of 3456	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	90
PID 2624 wrote to memory of 3456	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	90
PID 2624 wrote to memory of 716	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	92
PID 2624 wrote to memory of 716	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	92
PID 2624 wrote to memory of 716	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	92
PID 2624 wrote to memory of 2260	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	94
PID 2624 wrote to memory of 2260	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	94
PID 2624 wrote to memory of 2260	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	94
PID 2624 wrote to memory of 3956	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	97
PID 2624 wrote to memory of 3956	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	97
PID 2624 wrote to memory of 3956	2624	2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe	97
PID 4692 wrote to memory of 3036	4692	mzlibotd.exe	99
PID 4692 wrote to memory of 3036	4692	mzlibotd.exe	99
PID 4692 wrote to memory of 3036	4692	mzlibotd.exe	99
PID 4692 wrote to memory of 3036	4692	mzlibotd.exe	99
PID 4692 wrote to memory of 3036	4692	mzlibotd.exe	99

C:\Users\Admin\AppData\Local\Temp\2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gcpfehhv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mzlibotd.exe" C:\Windows\SysWOW64\gcpfehhv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1052
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gcpfehhv binPath= "C:\Windows\SysWOW64\gcpfehhv\mzlibotd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3456
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gcpfehhv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gcpfehhv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2260
- 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:3956

C:\Windows\SysWOW64\gcpfehhv\mzlibotd.exe
C:\Windows\SysWOW64\gcpfehhv\mzlibotd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_8b73c5f1c9a43ca5442c2ba79f3a7fcd_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3036

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\mzlibotd.exe

Filesize
13.0MB

MD5
0de195a144dcd3841d3cc7d431a5828c

SHA1
edcf95501def5a45727bae869a3b5cf0bed9716e

SHA256
fcdbd19eec1c7d4f545e136b9fa6e70367ffc81fdecf314539a1135f98f1167b

SHA512
c394f46bce9bedae441414a56b73d473516dc3db1d0f8c0c52d6f465e4e76db0a2a6c40b124fa3e316631bc673ed957bd8ad76f23098292bed98939bcdd327ce

Download Submit
memory/2624-8-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/2624-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2624-2-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/2624-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2624-1-0x00000000007F0000-0x00000000008F0000-memory.dmp

Filesize
1024KB

Download
memory/2624-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3036-13-0x0000000000930000-0x0000000000945000-memory.dmp

Filesize
84KB

Download
memory/3036-15-0x0000000000930000-0x0000000000945000-memory.dmp

Filesize
84KB

Download
memory/3036-18-0x0000000000930000-0x0000000000945000-memory.dmp

Filesize
84KB

Download
memory/4692-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4692-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4692-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads