tofsee | 3cc1d69ebeed06739436067ba1457c15dfe54a5240a2a30fb774226197c5355f

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/03/2025, 09:12

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General

Target

2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe
Size

10.9MB
MD5

e968a6ee6ae3aadc676e3da246ad052b
SHA1

d8f995b2ac476b8167a03cca9c741b9793edf5f9
SHA256

3cc1d69ebeed06739436067ba1457c15dfe54a5240a2a30fb774226197c5355f
SHA512

554cb5577e5af3208a812742091957a8f97dd435913832ec2412f0b9ca38f89a3c0c3c1bf8c332bcf3da44febea426c9158053baa2b41ad71f816f6cbe2ca1ee
SSDEEP

49152:NiSUBoooooooooooooooooooooooooooooooooooooooooooooooooooooooooou:NbUY

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\xyrjdodo = "0"	svchost.exe

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
2880	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\xyrjdodo\ImagePath = "C:\\Windows\\SysWOW64\\xyrjdodo\\zmyvobgq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2644	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	zmyvobgq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2644	2788	zmyvobgq.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2608	sc.exe
600	sc.exe
2864	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

System Location Discovery: System Language Discovery 1 TTPs 9 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	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zmyvobgq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2368	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	30
PID 2380 wrote to memory of 2368	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	30
PID 2380 wrote to memory of 2368	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	30
PID 2380 wrote to memory of 2368	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	30
PID 2380 wrote to memory of 2968	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	32
PID 2380 wrote to memory of 2968	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	32
PID 2380 wrote to memory of 2968	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	32
PID 2380 wrote to memory of 2968	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	32
PID 2380 wrote to memory of 2608	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	34
PID 2380 wrote to memory of 2608	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	34
PID 2380 wrote to memory of 2608	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	34
PID 2380 wrote to memory of 2608	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	34
PID 2380 wrote to memory of 600	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	37
PID 2380 wrote to memory of 600	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	37
PID 2380 wrote to memory of 600	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	37
PID 2380 wrote to memory of 600	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	37
PID 2380 wrote to memory of 2864	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	39
PID 2380 wrote to memory of 2864	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	39
PID 2380 wrote to memory of 2864	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	39
PID 2380 wrote to memory of 2864	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	39
PID 2788 wrote to memory of 2644	2788	zmyvobgq.exe	42
PID 2788 wrote to memory of 2644	2788	zmyvobgq.exe	42
PID 2788 wrote to memory of 2644	2788	zmyvobgq.exe	42
PID 2788 wrote to memory of 2644	2788	zmyvobgq.exe	42
PID 2788 wrote to memory of 2644	2788	zmyvobgq.exe	42
PID 2788 wrote to memory of 2644	2788	zmyvobgq.exe	42
PID 2380 wrote to memory of 2880	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	43
PID 2380 wrote to memory of 2880	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	43
PID 2380 wrote to memory of 2880	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	43
PID 2380 wrote to memory of 2880	2380	2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xyrjdodo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zmyvobgq.exe" C:\Windows\SysWOW64\xyrjdodo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2968
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xyrjdodo binPath= "C:\Windows\SysWOW64\xyrjdodo\zmyvobgq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xyrjdodo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:600
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xyrjdodo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- 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:2880

C:\Windows\SysWOW64\xyrjdodo\zmyvobgq.exe
C:\Windows\SysWOW64\xyrjdodo\zmyvobgq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_e968a6ee6ae3aadc676e3da246ad052b_black-basta_luca-stealer.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
12.6MB

MD5
a1961600bf3aa4db4618c5d189db6cc8

SHA1
0db51945003cbc0864e8314d0bcec69b638111e9

SHA256
e3fd60d3bf1911a624e80a9196333bc4045f67c1a80760d14060b1153271f7aa

SHA512
026f9d8dd6f076990805be4b8fc5bdb25002da8bc5ec86e003690b5690aea88b2ed5e8b58f0578870f7ceb025a9ad9b31dd218ff5e8a4235e62ce50c36b52e1e

Download Submit
memory/2380-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-3-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2380-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-5-0x0000000000400000-0x00000000033A1000-memory.dmp

Filesize
47.6MB

Download
memory/2380-17-0x0000000000400000-0x00000000033A1000-memory.dmp

Filesize
47.6MB

Download
memory/2380-2-0x0000000000400000-0x00000000033A1000-memory.dmp

Filesize
47.6MB

Download
memory/2644-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-15-0x0000000000400000-0x00000000033A1000-memory.dmp

Filesize
47.6MB

Download
memory/2788-14-0x0000000000400000-0x00000000033A1000-memory.dmp

Filesize
47.6MB

Download
memory/2788-21-0x0000000000400000-0x00000000033A1000-memory.dmp

Filesize
47.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads