tofsee | e978bf481b280693a6955453cf5d5cbc835706d17b97466bcfe032889054aed0

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 18:50

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General

Target

2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe
Size

11.7MB
MD5

96ff259433e0be69761294f521e22f12
SHA1

923195cf987deaae3a7a1104f1d8609bd4a56733
SHA256

e978bf481b280693a6955453cf5d5cbc835706d17b97466bcfe032889054aed0
SHA512

b51359e229800ec59c92d0180d8d1bd9cc3f35728cb08e7359a9bb35ac1eef6c39b8c81cbb872050c179eb3494247ff8aae3ec6387402e692c13a6ddfc56671f
SSDEEP

49152:0qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:0qtYc3

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\wokvigot = "0"	svchost.exe

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
2056	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\wokvigot\ImagePath = "C:\\Windows\\SysWOW64\\wokvigot\\uwpahpdt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2716	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3056	uwpahpdt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3056 set thread context of 2716	3056	uwpahpdt.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2708	sc.exe
2824	sc.exe
2228	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	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	uwpahpdt.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	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.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 30 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2324	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	30
PID 2384 wrote to memory of 2324	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	30
PID 2384 wrote to memory of 2324	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	30
PID 2384 wrote to memory of 2324	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	30
PID 2384 wrote to memory of 1400	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	32
PID 2384 wrote to memory of 1400	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	32
PID 2384 wrote to memory of 1400	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	32
PID 2384 wrote to memory of 1400	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	32
PID 2384 wrote to memory of 2228	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	34
PID 2384 wrote to memory of 2228	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	34
PID 2384 wrote to memory of 2228	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	34
PID 2384 wrote to memory of 2228	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	34
PID 2384 wrote to memory of 2708	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	36
PID 2384 wrote to memory of 2708	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	36
PID 2384 wrote to memory of 2708	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	36
PID 2384 wrote to memory of 2708	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	36
PID 2384 wrote to memory of 2824	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	38
PID 2384 wrote to memory of 2824	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	38
PID 2384 wrote to memory of 2824	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	38
PID 2384 wrote to memory of 2824	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	38
PID 2384 wrote to memory of 2056	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	41
PID 2384 wrote to memory of 2056	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	41
PID 2384 wrote to memory of 2056	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	41
PID 2384 wrote to memory of 2056	2384	2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe	41
PID 3056 wrote to memory of 2716	3056	uwpahpdt.exe	43
PID 3056 wrote to memory of 2716	3056	uwpahpdt.exe	43
PID 3056 wrote to memory of 2716	3056	uwpahpdt.exe	43
PID 3056 wrote to memory of 2716	3056	uwpahpdt.exe	43
PID 3056 wrote to memory of 2716	3056	uwpahpdt.exe	43
PID 3056 wrote to memory of 2716	3056	uwpahpdt.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wokvigot\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uwpahpdt.exe" C:\Windows\SysWOW64\wokvigot\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1400
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wokvigot binPath= "C:\Windows\SysWOW64\wokvigot\uwpahpdt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wokvigot "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wokvigot
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- 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:2056

C:\Windows\SysWOW64\wokvigot\uwpahpdt.exe
C:\Windows\SysWOW64\wokvigot\uwpahpdt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
13.3MB

MD5
938b28fd09ce465d0b28f51f5b2e2fc6

SHA1
424fe30611b25651d461d34d2b015d38679d9e28

SHA256
7787213c561f4801dc827320d22b8e6fe756a9cdd8542d010175c2dcc14361f0

SHA512
4f14a8bf86ecd07b2fe49e276f5c52b382360123034fba2fb23bac85e5d33b4f6ba95b476695b51630922018a5363ab539687e8ca2d2791e1b26967645240445

Download Submit
memory/2384-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2384-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2384-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2384-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2384-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2384-1-0x0000000002E60000-0x0000000002F60000-memory.dmp

Filesize
1024KB

Download
memory/2716-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2716-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2716-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2716-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3056-17-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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