tofsee | 670cde4531ba475ab70139b3479d559f921052b80f8fdfbce84e29916fa47136

Analysis

max time kernel
144s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/03/2025, 09:16

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General

Target

2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe
Size

12.9MB
MD5

2ed06ba8d9000f25ab5aeec9d4e8f737
SHA1

1b6e0642fc6828d2dd735eac4d08993d86864fa1
SHA256

670cde4531ba475ab70139b3479d559f921052b80f8fdfbce84e29916fa47136
SHA512

4ee58fa95d42670065f74764039c8fab0236bdf27bed84a8269c7ecae401808e77f478d21bd00f6483527045019f41e9cb4157d4b9d1274ad86420c9ccc5d1ea
SSDEEP

6144:dIKjtXz4xIusXQFUgRUkBP56ItZa5fH4Vds9:GOtXkxNIQFUgykBoMZa5fyC

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\jyrsrjqi = "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
2864	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\jyrsrjqi\ImagePath = "C:\\Windows\\SysWOW64\\jyrsrjqi\\kxjgzmrb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2556	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	kxjgzmrb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2556	2700	kxjgzmrb.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2092	sc.exe
2768	sc.exe
2840	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_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.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	kxjgzmrb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 1148	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	31
PID 2348 wrote to memory of 1148	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	31
PID 2348 wrote to memory of 1148	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	31
PID 2348 wrote to memory of 1148	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	31
PID 2348 wrote to memory of 2332	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	33
PID 2348 wrote to memory of 2332	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	33
PID 2348 wrote to memory of 2332	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	33
PID 2348 wrote to memory of 2332	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	33
PID 2348 wrote to memory of 2092	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	35
PID 2348 wrote to memory of 2092	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	35
PID 2348 wrote to memory of 2092	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	35
PID 2348 wrote to memory of 2092	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	35
PID 2348 wrote to memory of 2768	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	37
PID 2348 wrote to memory of 2768	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	37
PID 2348 wrote to memory of 2768	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	37
PID 2348 wrote to memory of 2768	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	37
PID 2348 wrote to memory of 2840	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	39
PID 2348 wrote to memory of 2840	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	39
PID 2348 wrote to memory of 2840	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	39
PID 2348 wrote to memory of 2840	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	39
PID 2700 wrote to memory of 2556	2700	kxjgzmrb.exe	42
PID 2700 wrote to memory of 2556	2700	kxjgzmrb.exe	42
PID 2700 wrote to memory of 2556	2700	kxjgzmrb.exe	42
PID 2700 wrote to memory of 2556	2700	kxjgzmrb.exe	42
PID 2700 wrote to memory of 2556	2700	kxjgzmrb.exe	42
PID 2700 wrote to memory of 2556	2700	kxjgzmrb.exe	42
PID 2348 wrote to memory of 2864	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	43
PID 2348 wrote to memory of 2864	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	43
PID 2348 wrote to memory of 2864	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	43
PID 2348 wrote to memory of 2864	2348	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jyrsrjqi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kxjgzmrb.exe" C:\Windows\SysWOW64\jyrsrjqi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jyrsrjqi binPath= "C:\Windows\SysWOW64\jyrsrjqi\kxjgzmrb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2092
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jyrsrjqi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jyrsrjqi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- 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:2864

C:\Windows\SysWOW64\jyrsrjqi\kxjgzmrb.exe
C:\Windows\SysWOW64\jyrsrjqi\kxjgzmrb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- 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:2556

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\kxjgzmrb.exe

Filesize
10.8MB

MD5
0299055c6d7e9f943149da3e372eb73c

SHA1
5a76f72d872e8c9af808722a9714f75a5cf9ed4b

SHA256
2528a52f69c1684a3946c558226fea96ca25a22c32fcc10c4024c131bea25cbc

SHA512
6b60434a7cb810e841bf5841b9079d03c7a3474ed35f1778e44e4eef5859c446f4a6c9f68f1d1c0a498a85438feccbac441e19d7cb3948fb6f20ed33404b19ea

Download Submit
memory/2348-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2348-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2348-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2348-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2348-1-0x00000000008A0000-0x00000000009A0000-memory.dmp

Filesize
1024KB

Download
memory/2348-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2556-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2556-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2556-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2556-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2700-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads