tofsee | ed947e50effd343cb6661edea48149bfc8ec87a6f4807bb7e197ca0db6c2cb6d

General

Target

2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe
Size

11.1MB
MD5

5e1468d837de13e9f6fe1108cff1427a
SHA1

c376923f2b18cbf52d5afe0bdcd57050e3958eb1
SHA256

ed947e50effd343cb6661edea48149bfc8ec87a6f4807bb7e197ca0db6c2cb6d
SHA512

d3575a93a94962340b226773d311f6c0a95a9cdbec8ba0cec7a0f1739d9d04bb063c514599aa6100a6300e2fca5a59febea9f483d63e35d7bdc12de8ecd5754b
SSDEEP

6144:cLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQV:RTYe+D2jFu+iZoUFhAzU

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
46	3572	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
228	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\cipqmrxw\ImagePath = "C:\\Windows\\SysWOW64\\cipqmrxw\\wyrcjrfv.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-1-5-21-2656314083-4170277356-267438488-1000\Control Panel\International\Geo\Nation	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe

Deletes itself 1 IoCs

pid	Process
4976	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2160	wyrcjrfv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2160 set thread context of 4976	2160	wyrcjrfv.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
3964	sc.exe
2472	sc.exe
3256	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
2996	1592	WerFault.exe	85
1020	2160	WerFault.exe	101

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	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.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	wyrcjrfv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.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	svchost.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
2432	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 1484	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	91
PID 1592 wrote to memory of 1484	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	91
PID 1592 wrote to memory of 1484	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	91
PID 1592 wrote to memory of 3688	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	93
PID 1592 wrote to memory of 3688	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	93
PID 1592 wrote to memory of 3688	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	93
PID 1592 wrote to memory of 2472	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	95
PID 1592 wrote to memory of 2472	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	95
PID 1592 wrote to memory of 2472	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	95
PID 1592 wrote to memory of 3256	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	97
PID 1592 wrote to memory of 3256	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	97
PID 1592 wrote to memory of 3256	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	97
PID 1592 wrote to memory of 3964	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	99
PID 1592 wrote to memory of 3964	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	99
PID 1592 wrote to memory of 3964	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	99
PID 1592 wrote to memory of 228	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	102
PID 1592 wrote to memory of 228	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	102
PID 1592 wrote to memory of 228	1592	2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe	102
PID 2160 wrote to memory of 4976	2160	wyrcjrfv.exe	105
PID 2160 wrote to memory of 4976	2160	wyrcjrfv.exe	105
PID 2160 wrote to memory of 4976	2160	wyrcjrfv.exe	105
PID 2160 wrote to memory of 4976	2160	wyrcjrfv.exe	105
PID 2160 wrote to memory of 4976	2160	wyrcjrfv.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cipqmrxw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wyrcjrfv.exe" C:\Windows\SysWOW64\cipqmrxw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cipqmrxw binPath= "C:\Windows\SysWOW64\cipqmrxw\wyrcjrfv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cipqmrxw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cipqmrxw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3964
- 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:228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1040
  2⤵
  - Program crash
  PID:2996

C:\Windows\SysWOW64\cipqmrxw\wyrcjrfv.exe
C:\Windows\SysWOW64\cipqmrxw\wyrcjrfv.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-13_5e1468d837de13e9f6fe1108cff1427a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 340
  2⤵
  - Program crash
  PID:1020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1592 -ip 1592
1⤵
PID:3288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2160 -ip 2160
1⤵
PID:4820

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7MTFCMzBBOTItNkI1NC00QTBCLTgzOTUtQUY4QzgwQTJCRjYwfSIgdXNlcmlkPSJ7NkUwRTFERTctOTA2MS00RDBBLTgwOTUtNUQ2NTQ0NTNBOUQ3fSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7MzQ1RTVBOEItN0RDMS00M0FBLThFN0EtRDhFM0NBMzhEOEY5fSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NzA4OTk4NzIzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2432

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\wyrcjrfv.exe

Filesize
11.6MB

MD5
86145f46f9b834b69bea7b705ac26699

SHA1
ec2355bf350817088324a7968a939e777fb51b1b

SHA256
eb2dfad66e1ffe61d70c5276bdfe1bf10a78db3c8c59c79f658c6fcfbc36e802

SHA512
86b62a4b26879f8da593174b3ea657d7965572891986a622a3e7f01547109f2f1458bd8492646f6bf9b3906d620ae37f25b215fac15e366dcb81576a21b42ccf

Download Submit
memory/1592-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1592-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/1592-2-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/1592-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1592-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1592-17-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2160-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2160-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2160-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4976-13-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/4976-10-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/4976-19-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/4976-20-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/4976-21-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads