tofsee | 39686750872f865dafa4bfee49ae339567da052faed6667322eb386c2a374a74

General

Target

2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe
Size

12.3MB
MD5

3282c73e006d7ac56222da1498668f06
SHA1

14f7bcf5e57d34841387db082da3dd9bbb9af0b3
SHA256

39686750872f865dafa4bfee49ae339567da052faed6667322eb386c2a374a74
SHA512

655f455f05fa9d76c73da5f5b752003617fb946a6d3579e35adcd31e3103f313050deafbb41d2f1b81c5101f9d1af49b3a1edad92a36d47e1af99c0b3ea8dd1d
SSDEEP

6144:yLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ9:zTYe+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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
44	1116	Process not Found

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4592	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\qunguxyf\ImagePath = "C:\\Windows\\SysWOW64\\qunguxyf\\reqngtyi.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-1-5-21-3311063739-2594902809-44604183-1000\Control Panel\International\Geo\Nation	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe

Deletes itself 1 IoCs

pid	Process
5072	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3188	reqngtyi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3188 set thread context of 5072	3188	reqngtyi.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
3664	sc.exe
3504	sc.exe
2220	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
4604	2292	WerFault.exe	85
2288	3188	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 10 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	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	reqngtyi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.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	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3196	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2740	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	89
PID 2292 wrote to memory of 2740	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	89
PID 2292 wrote to memory of 2740	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	89
PID 2292 wrote to memory of 5112	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	91
PID 2292 wrote to memory of 5112	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	91
PID 2292 wrote to memory of 5112	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	91
PID 2292 wrote to memory of 3664	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	93
PID 2292 wrote to memory of 3664	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	93
PID 2292 wrote to memory of 3664	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	93
PID 2292 wrote to memory of 3504	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	95
PID 2292 wrote to memory of 3504	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	95
PID 2292 wrote to memory of 3504	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	95
PID 2292 wrote to memory of 2220	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	97
PID 2292 wrote to memory of 2220	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	97
PID 2292 wrote to memory of 2220	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	97
PID 2292 wrote to memory of 4592	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	100
PID 2292 wrote to memory of 4592	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	100
PID 2292 wrote to memory of 4592	2292	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	100
PID 3188 wrote to memory of 5072	3188	reqngtyi.exe	104
PID 3188 wrote to memory of 5072	3188	reqngtyi.exe	104
PID 3188 wrote to memory of 5072	3188	reqngtyi.exe	104
PID 3188 wrote to memory of 5072	3188	reqngtyi.exe	104
PID 3188 wrote to memory of 5072	3188	reqngtyi.exe	104

C:\Users\Admin\AppData\Local\Temp\2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qunguxyf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\reqngtyi.exe" C:\Windows\SysWOW64\qunguxyf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5112
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qunguxyf binPath= "C:\Windows\SysWOW64\qunguxyf\reqngtyi.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qunguxyf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3504
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qunguxyf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2220
- 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:4592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 1192
  2⤵
  - Program crash
  PID:4604

C:\Windows\SysWOW64\qunguxyf\reqngtyi.exe
C:\Windows\SysWOW64\qunguxyf\reqngtyi.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:5072
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 512
  2⤵
  - Program crash
  PID:2288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2292 -ip 2292
1⤵
PID:1064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3188 -ip 3188
1⤵
PID:3320

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjIyNDY2MDAxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3196

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
13.6MB

MD5
e9deb9bb3a692ac47e5004cb940132ef

SHA1
3cd4a49d1ed77a2a9379cc2fcc356597d7466872

SHA256
717e46538ab5844dc1991c8fc1b778e4373a0fb76e9127395a9ad1c17b11cd63

SHA512
09be91e03f070bc4ceffba7acf2fa9d10fe4c04996a9e74431bdd9230e3f0a507d5f334f8dbd25af378970237b5f6adbd86dc7761d5ca11c67bc084a6b5a0a8e

Download Submit
memory/2292-14-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/2292-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2292-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2292-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/2292-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2292-17-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2292-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3188-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3188-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3188-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3188-20-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/5072-15-0x00000000008D0000-0x00000000008E5000-memory.dmp

Filesize
84KB

Download
memory/5072-11-0x00000000008D0000-0x00000000008E5000-memory.dmp

Filesize
84KB

Download
memory/5072-21-0x00000000008D0000-0x00000000008E5000-memory.dmp

Filesize
84KB

Download
memory/5072-22-0x00000000008D0000-0x00000000008E5000-memory.dmp

Filesize
84KB

Download
memory/5072-23-0x00000000008D0000-0x00000000008E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads