tofsee | 6dd7abd54fb8d4a331fca9e51b59d045b5ff3b0bd5da50eafe3e77be3e7829af

General

Target

2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe
Size

10.5MB
MD5

cee37bed4dbbc6b359a589ec21fafc18
SHA1

9c201c7b568ff9804f1124c3d8aca6b06ba782a9
SHA256

6dd7abd54fb8d4a331fca9e51b59d045b5ff3b0bd5da50eafe3e77be3e7829af
SHA512

6833150a1e887358c520eeb53cb48160f88e02a3482798876033ba811bd8e3a23421304be46275ebe38d5b940d2d2b6da4c0f729fd7465b4a98ccc61fd496c40
SSDEEP

196608:ZyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1:UXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXl

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
404	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\wwqwpbnm\ImagePath = "C:\\Windows\\SysWOW64\\wwqwpbnm\\hpeivtcc.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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe

Deletes itself 1 IoCs

pid	Process
3564	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	hpeivtcc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 3564	2876	hpeivtcc.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
3668	sc.exe
1192	sc.exe
3524	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	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_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	hpeivtcc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 5032	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	86
PID 4560 wrote to memory of 5032	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	86
PID 4560 wrote to memory of 5032	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	86
PID 4560 wrote to memory of 3036	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	88
PID 4560 wrote to memory of 3036	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	88
PID 4560 wrote to memory of 3036	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	88
PID 4560 wrote to memory of 3668	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	90
PID 4560 wrote to memory of 3668	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	90
PID 4560 wrote to memory of 3668	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	90
PID 4560 wrote to memory of 1192	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	92
PID 4560 wrote to memory of 1192	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	92
PID 4560 wrote to memory of 1192	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	92
PID 4560 wrote to memory of 3524	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	94
PID 4560 wrote to memory of 3524	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	94
PID 4560 wrote to memory of 3524	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	94
PID 2876 wrote to memory of 3564	2876	hpeivtcc.exe	97
PID 2876 wrote to memory of 3564	2876	hpeivtcc.exe	97
PID 2876 wrote to memory of 3564	2876	hpeivtcc.exe	97
PID 2876 wrote to memory of 3564	2876	hpeivtcc.exe	97
PID 2876 wrote to memory of 3564	2876	hpeivtcc.exe	97
PID 4560 wrote to memory of 404	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	98
PID 4560 wrote to memory of 404	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	98
PID 4560 wrote to memory of 404	4560	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wwqwpbnm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hpeivtcc.exe" C:\Windows\SysWOW64\wwqwpbnm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wwqwpbnm binPath= "C:\Windows\SysWOW64\wwqwpbnm\hpeivtcc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wwqwpbnm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1192
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wwqwpbnm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3524
- 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:404

C:\Windows\SysWOW64\wwqwpbnm\hpeivtcc.exe
C:\Windows\SysWOW64\wwqwpbnm\hpeivtcc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3564

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\hpeivtcc.exe

Filesize
12.1MB

MD5
34430453d72c5e9f5b56058adcd6e036

SHA1
78b7b368bf54675fa30e7397913ebb6b967fcc78

SHA256
50f820c2e9aec504b36106da6187b65020c6fb206976d7f4bfb0ba901a1343cc

SHA512
38fd2d40e6963f1b47959c7bdba99de9e7958888af102db9d354359576a87e8df7ce6edad3bf0db9379e971d5fc028a0e9fd606edff9cc8ebeed9873323fc811

Download Submit
memory/2876-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2876-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3564-9-0x0000000000BA0000-0x0000000000BB5000-memory.dmp

Filesize
84KB

Download
memory/3564-14-0x0000000000BA0000-0x0000000000BB5000-memory.dmp

Filesize
84KB

Download
memory/3564-18-0x0000000000BA0000-0x0000000000BB5000-memory.dmp

Filesize
84KB

Download
memory/3564-19-0x0000000000BA0000-0x0000000000BB5000-memory.dmp

Filesize
84KB

Download
memory/3564-20-0x0000000000BA0000-0x0000000000BB5000-memory.dmp

Filesize
84KB

Download
memory/4560-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4560-2-0x0000000000690000-0x00000000006A3000-memory.dmp

Filesize
76KB

Download
memory/4560-1-0x00000000006C0000-0x00000000007C0000-memory.dmp

Filesize
1024KB

Download
memory/4560-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4560-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4560-16-0x0000000000690000-0x00000000006A3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads