tofsee | e245c054cd34f7032350325aba1b4345367edb9f18be33c9231bcdb60fd47e19

General

Target

2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe
Size

10.9MB
MD5

e6b5c3429d8199cb06861a8c095c8123
SHA1

2abfbc347b0a41bc284813ba6f6bbea462d27812
SHA256

e245c054cd34f7032350325aba1b4345367edb9f18be33c9231bcdb60fd47e19
SHA512

a10a895cddca47ee6f9037ad5c059777a4f8466f5843cbf22a6b93a09dc6acf4d52d0208df7c481fdd9855a2f8b689a5b116e9192af8b4fc0d959538c83ceb45
SSDEEP

24576:B6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQo:oWdLQk

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
62	2040	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
3152	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\dlgaxvxv\ImagePath = "C:\\Windows\\SysWOW64\\dlgaxvxv\\rpyzietp.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	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe

Deletes itself 1 IoCs

pid	Process
4752	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3380	rpyzietp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3380 set thread context of 4752	3380	rpyzietp.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
540	sc.exe
4832	sc.exe
3628	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
4084	2180	WerFault.exe	85
2064	3380	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_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	rpyzietp.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
1452	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 3344	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	89
PID 2180 wrote to memory of 3344	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	89
PID 2180 wrote to memory of 3344	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	89
PID 2180 wrote to memory of 3616	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	91
PID 2180 wrote to memory of 3616	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	91
PID 2180 wrote to memory of 3616	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	91
PID 2180 wrote to memory of 540	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	93
PID 2180 wrote to memory of 540	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	93
PID 2180 wrote to memory of 540	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	93
PID 2180 wrote to memory of 4832	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	95
PID 2180 wrote to memory of 4832	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	95
PID 2180 wrote to memory of 4832	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	95
PID 2180 wrote to memory of 3628	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	97
PID 2180 wrote to memory of 3628	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	97
PID 2180 wrote to memory of 3628	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	97
PID 2180 wrote to memory of 3152	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	100
PID 2180 wrote to memory of 3152	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	100
PID 2180 wrote to memory of 3152	2180	2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe	100
PID 3380 wrote to memory of 4752	3380	rpyzietp.exe	105
PID 3380 wrote to memory of 4752	3380	rpyzietp.exe	105
PID 3380 wrote to memory of 4752	3380	rpyzietp.exe	105
PID 3380 wrote to memory of 4752	3380	rpyzietp.exe	105
PID 3380 wrote to memory of 4752	3380	rpyzietp.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dlgaxvxv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rpyzietp.exe" C:\Windows\SysWOW64\dlgaxvxv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3616
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dlgaxvxv binPath= "C:\Windows\SysWOW64\dlgaxvxv\rpyzietp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:540
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dlgaxvxv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dlgaxvxv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3628
- 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:3152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 792
  2⤵
  - Program crash
  PID:4084

C:\Windows\SysWOW64\dlgaxvxv\rpyzietp.exe
C:\Windows\SysWOW64\dlgaxvxv\rpyzietp.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_e6b5c3429d8199cb06861a8c095c8123_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 508
  2⤵
  - Program crash
  PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2180 -ip 2180
1⤵
PID:3772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3380 -ip 3380
1⤵
PID:968

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7MzRFMjQ2MEEtMUY5NC00QzM5LUE2RjAtQzMxOTY3RTE1OUJCfSIgdXNlcmlkPSJ7QzM3MTQwMTktQUE5Ni00RjBELTgzQjUtM0U0ODg0NkZDNzdCfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7RkI4MzdDRjEtNEE5QS00NjM3LUJDQUEtOTk3NTM0NTM4MzZCfSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDQ3NDY2OTM0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1452

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

Replay Monitor

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Downloads

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

Filesize
13.6MB

MD5
f457b28631500d011b600afcb705eb91

SHA1
f5a37988704b7554710e82526adbdac68a1de631

SHA256
e1cf86326d4a7ef991021399d86d06b862b0a7221565fc752febcb9ec5535ed4

SHA512
70072d3d3ca52bd0175ca4608d7e769c16f82ae3587e2a11c3454c349251a762664e448d62564336f3bc2bb9813522dd4ff117fb59c8aaea0db2f9a7d0ce7a60

Download Submit
memory/2180-8-0x0000000000580000-0x0000000000593000-memory.dmp

Filesize
76KB

Download
memory/2180-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2180-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/2180-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2180-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2180-2-0x0000000000580000-0x0000000000593000-memory.dmp

Filesize
76KB

Download
memory/3380-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3380-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3380-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3380-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4752-14-0x0000000000C60000-0x0000000000C75000-memory.dmp

Filesize
84KB

Download
memory/4752-16-0x0000000000C60000-0x0000000000C75000-memory.dmp

Filesize
84KB

Download
memory/4752-17-0x0000000000C60000-0x0000000000C75000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads