tofsee | fabedd05d1db20e61258c1865fa6cd8179d3cf6458cfc720616fe11478b2b3b6

General

Target

2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe
Size

10.6MB
MD5

5bd9842cbb237359047509b9ffb0f74c
SHA1

af0694c224af6d85bd32376a9aa713f82ee9c5a4
SHA256

fabedd05d1db20e61258c1865fa6cd8179d3cf6458cfc720616fe11478b2b3b6
SHA512

9b32c899c52bf42e12bc27c3491a7d993278bf2d61f6447931484ab203741e22a55167f9571a3997164d4b7bda795201c963517a8a88da3037592c72b963b62e
SSDEEP

3072:/d/4YU1GznYfU+kBGsrOp7XwL0wMjKRaD8ll3//0N0N0N0N0N0N0N0N0N0N0N0NC:lAJGznKpe89gLlMOoD4K

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
752	netsh.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-1-5-21-83325578-304917428-1200496059-1000\Control Panel\International\Geo\Nation	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe

Executes dropped EXE 1 IoCs

pid	Process
3740	godhusbb.exe

Launches sc.exe 3 IoCs

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

pid	Process
4456	sc.exe
980	sc.exe
1056	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 1 IoCs

pid	pid_target	Process	procid_target
916	2520	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 7 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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 1116	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	104
PID 2520 wrote to memory of 1116	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	104
PID 2520 wrote to memory of 1116	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	104
PID 2520 wrote to memory of 2408	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	106
PID 2520 wrote to memory of 2408	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	106
PID 2520 wrote to memory of 2408	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	106
PID 2520 wrote to memory of 4456	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	108
PID 2520 wrote to memory of 4456	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	108
PID 2520 wrote to memory of 4456	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	108
PID 2520 wrote to memory of 980	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	110
PID 2520 wrote to memory of 980	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	110
PID 2520 wrote to memory of 980	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	110
PID 2520 wrote to memory of 1056	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	112
PID 2520 wrote to memory of 1056	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	112
PID 2520 wrote to memory of 1056	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	112
PID 2520 wrote to memory of 752	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	115
PID 2520 wrote to memory of 752	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	115
PID 2520 wrote to memory of 752	2520	2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe	115

C:\Users\Admin\AppData\Local\Temp\2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\koxvupxg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\godhusbb.exe" C:\Windows\SysWOW64\koxvupxg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create koxvupxg binPath= "C:\Windows\SysWOW64\koxvupxg\godhusbb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4456
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description koxvupxg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start koxvupxg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1056
- 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:752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 1040
  2⤵
  - Program crash
  PID:916

C:\Windows\SysWOW64\koxvupxg\godhusbb.exe
C:\Windows\SysWOW64\koxvupxg\godhusbb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-04-04_5bd9842cbb237359047509b9ffb0f74c_black-basta_luca-stealer.exe"
1⤵
- Executes dropped EXE
PID:3740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2520 -ip 2520
1⤵
PID:6136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

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

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

1

T1562.004

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\godhusbb.exe

Filesize
14.3MB

MD5
6bd3908f38ac01f9a94afd221824a98e

SHA1
1e3299276772b643f399bd488daea1b79d374206

SHA256
ad30c620b5c701a3f35db66074641d51a93c796637088b3763ee96be80be5289

SHA512
990e78ab429a5e0bdf1a919ba44126d1ca9c7e135805c8f4b860ff7e9a5ab369b1f0b658b0bac512c97f34191f37156e021fb17555158b9f6b008de75d77ceb0

Download Submit
memory/2520-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/2520-2-0x0000000000530000-0x0000000000543000-memory.dmp

Filesize
76KB

Download
memory/2520-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2520-7-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2520-8-0x0000000000530000-0x0000000000543000-memory.dmp

Filesize
76KB

Download
memory/2520-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads