tofsee | 01b511966adcd0871a1e526418278ead6bfe873ce553588e7695eb051427b2dc

General

Target

2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe
Size

15.0MB
MD5

e14b71735cb62ae5d7bf1859e3dc30bf
SHA1

d8dd31a17ce809a1be83e46342e19c844fa6e4fb
SHA256

01b511966adcd0871a1e526418278ead6bfe873ce553588e7695eb051427b2dc
SHA512

85011bd12f0e324cc638a0a4dc464efcaf99d031978904a552e6dc9beb17c5f92fe1ce414404329d2caece1511fd8c3cff331bb462673c9a04b1028191383aa8
SSDEEP

393216:MXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXo:n

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
55	2280	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
3972	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\ewgiggsd\ImagePath = "C:\\Windows\\SysWOW64\\ewgiggsd\\uoofqzqs.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_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe

Deletes itself 1 IoCs

pid	Process
2000	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2536	uoofqzqs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 2000	2536	uoofqzqs.exe	99

Launches sc.exe 3 IoCs

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

pid	Process
3496	sc.exe
1280	sc.exe
1152	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uoofqzqs.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
3620	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 2304	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	87
PID 3532 wrote to memory of 2304	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	87
PID 3532 wrote to memory of 2304	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	87
PID 3532 wrote to memory of 4488	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	89
PID 3532 wrote to memory of 4488	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	89
PID 3532 wrote to memory of 4488	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	89
PID 3532 wrote to memory of 3496	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	91
PID 3532 wrote to memory of 3496	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	91
PID 3532 wrote to memory of 3496	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	91
PID 3532 wrote to memory of 1280	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	93
PID 3532 wrote to memory of 1280	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	93
PID 3532 wrote to memory of 1280	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	93
PID 3532 wrote to memory of 1152	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	95
PID 3532 wrote to memory of 1152	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	95
PID 3532 wrote to memory of 1152	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	95
PID 3532 wrote to memory of 3972	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	98
PID 3532 wrote to memory of 3972	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	98
PID 3532 wrote to memory of 3972	3532	2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe	98
PID 2536 wrote to memory of 2000	2536	uoofqzqs.exe	99
PID 2536 wrote to memory of 2000	2536	uoofqzqs.exe	99
PID 2536 wrote to memory of 2000	2536	uoofqzqs.exe	99
PID 2536 wrote to memory of 2000	2536	uoofqzqs.exe	99
PID 2536 wrote to memory of 2000	2536	uoofqzqs.exe	99

C:\Users\Admin\AppData\Local\Temp\2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ewgiggsd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uoofqzqs.exe" C:\Windows\SysWOW64\ewgiggsd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4488
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ewgiggsd binPath= "C:\Windows\SysWOW64\ewgiggsd\uoofqzqs.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ewgiggsd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1280
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ewgiggsd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1152
- 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:3972

C:\Windows\SysWOW64\ewgiggsd\uoofqzqs.exe
C:\Windows\SysWOW64\ewgiggsd\uoofqzqs.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_e14b71735cb62ae5d7bf1859e3dc30bf_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2000

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7NkZBNUExMDMtNDU2OS00QzdBLTk3QTAtRUU3NEY4NzI0RjFEfSIgdXNlcmlkPSJ7RURCRDE5NjgtQkZGQS00ODMyLTkxNzMtQkFDN0RCNjk3RTk3fSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7QUZFODUzMkQtMjUxRi00OUUxLThEMjYtQjM3ODI0OTEwRTY5fSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjYwMTMwMDEwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3620

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

Loading Replay Monitor...

Downloads

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

Filesize
10.9MB

MD5
082b8b05e13ff4fac1501761d72f35b7

SHA1
6480c93520966928717656d53ab91094698c2d7e

SHA256
17b80ec8762110d16095034dcfd6fb7979043416f244def318e5235bda18d608

SHA512
bd2e66a8967c58d4474d1dbb50d0c969f58b2a55d056c458485defe7e1c270001e4ee7c1655874770e85c5456b79e1b525bba372488cad87445bf27bbc08e8ed

Download Submit
memory/2000-10-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/2000-18-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/2000-21-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/2000-20-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/2000-19-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/2536-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2536-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2536-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3532-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3532-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3532-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/3532-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3532-13-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/3532-2-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads