tofsee | 6650fa6e68ec71fbcd05204f13788abb76b1ffd8e168895df0f52dedf8ccacfd

General

Target

2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe
Size

13.7MB
MD5

0472e8ee3b50ba271bfee33f7f519f5c
SHA1

acaff98b09112f8bec1eb8a467be8e4470cd57a1
SHA256

6650fa6e68ec71fbcd05204f13788abb76b1ffd8e168895df0f52dedf8ccacfd
SHA512

48bbae0d5f655c20e9a64e857d57b38adc30d9dceac10cd66b041f9fcc7c6d8bca2adb63c1aff5eb4dbedb33e1091c25b6b01e044eaed5ca74fe561e26c10223
SSDEEP

6144:jLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ7:YTYe+D2jFu+iZoUFhAzo

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
4692	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\ugwcdpcp\ImagePath = "C:\\Windows\\SysWOW64\\ugwcdpcp\\uuvgbcai.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe

Deletes itself 1 IoCs

pid	Process
2952	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	uuvgbcai.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 2952	2896	uuvgbcai.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
608	sc.exe
740	sc.exe
4792	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
1592	2896	WerFault.exe	92
5116	4364	WerFault.exe	81

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uuvgbcai.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 116	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	82
PID 4364 wrote to memory of 116	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	82
PID 4364 wrote to memory of 116	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	82
PID 4364 wrote to memory of 3116	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	84
PID 4364 wrote to memory of 3116	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	84
PID 4364 wrote to memory of 3116	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	84
PID 4364 wrote to memory of 608	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	86
PID 4364 wrote to memory of 608	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	86
PID 4364 wrote to memory of 608	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	86
PID 4364 wrote to memory of 740	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	88
PID 4364 wrote to memory of 740	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	88
PID 4364 wrote to memory of 740	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	88
PID 4364 wrote to memory of 4792	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	90
PID 4364 wrote to memory of 4792	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	90
PID 4364 wrote to memory of 4792	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	90
PID 4364 wrote to memory of 4692	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	93
PID 4364 wrote to memory of 4692	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	93
PID 4364 wrote to memory of 4692	4364	2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe	93
PID 2896 wrote to memory of 2952	2896	uuvgbcai.exe	97
PID 2896 wrote to memory of 2952	2896	uuvgbcai.exe	97
PID 2896 wrote to memory of 2952	2896	uuvgbcai.exe	97
PID 2896 wrote to memory of 2952	2896	uuvgbcai.exe	97
PID 2896 wrote to memory of 2952	2896	uuvgbcai.exe	97

C:\Users\Admin\AppData\Local\Temp\2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ugwcdpcp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uuvgbcai.exe" C:\Windows\SysWOW64\ugwcdpcp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ugwcdpcp binPath= "C:\Windows\SysWOW64\ugwcdpcp\uuvgbcai.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:608
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ugwcdpcp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ugwcdpcp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4792
- 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:4692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 1040
  2⤵
  - Program crash
  PID:5116

C:\Windows\SysWOW64\ugwcdpcp\uuvgbcai.exe
C:\Windows\SysWOW64\ugwcdpcp\uuvgbcai.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_0472e8ee3b50ba271bfee33f7f519f5c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 512
  2⤵
  - Program crash
  PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4364 -ip 4364
1⤵
PID:3764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2896 -ip 2896
1⤵
PID:2988

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\uuvgbcai.exe

Filesize
14.8MB

MD5
4f2cb1000ef80d2875a049719aea6d0e

SHA1
6a1e877a2d122dea5be38829f6d1d99c3daf7264

SHA256
62fad157cfb56ae9dbd03680c744e66e6db50cac1eed43d773c477543249b939

SHA512
1665db6a8445fdabada67bff7a886aa2cf8e0e5894674205c6c635ea62e483fa955ff00d675a25bf19c98568b9b6950d527ff3b7a5b8880582bdedb74d4eb859

Download Submit
memory/2896-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2896-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2896-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2896-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2952-20-0x0000000000370000-0x0000000000385000-memory.dmp

Filesize
84KB

Download
memory/2952-22-0x0000000000370000-0x0000000000385000-memory.dmp

Filesize
84KB

Download
memory/2952-21-0x0000000000370000-0x0000000000385000-memory.dmp

Filesize
84KB

Download
memory/2952-14-0x0000000000370000-0x0000000000385000-memory.dmp

Filesize
84KB

Download
memory/2952-11-0x0000000000370000-0x0000000000385000-memory.dmp

Filesize
84KB

Download
memory/4364-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4364-18-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/4364-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/4364-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4364-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4364-2-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads