tofsee | 670cde4531ba475ab70139b3479d559f921052b80f8fdfbce84e29916fa47136

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

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
2484	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\pizyqzb\ImagePath = "C:\\Windows\\SysWOW64\\pizyqzb\\anzwpchr.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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe

Deletes itself 1 IoCs

pid	Process
3160	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4852	anzwpchr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4852 set thread context of 3160	4852	anzwpchr.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
4664	sc.exe
916	sc.exe
4780	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
1868	4852	WerFault.exe	101
5240	752	WerFault.exe	85

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	sc.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	anzwpchr.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 23 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 2800	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	89
PID 752 wrote to memory of 2800	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	89
PID 752 wrote to memory of 2800	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	89
PID 752 wrote to memory of 4876	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	91
PID 752 wrote to memory of 4876	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	91
PID 752 wrote to memory of 4876	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	91
PID 752 wrote to memory of 4664	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	93
PID 752 wrote to memory of 4664	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	93
PID 752 wrote to memory of 4664	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	93
PID 752 wrote to memory of 916	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	97
PID 752 wrote to memory of 916	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	97
PID 752 wrote to memory of 916	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	97
PID 752 wrote to memory of 4780	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	99
PID 752 wrote to memory of 4780	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	99
PID 752 wrote to memory of 4780	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	99
PID 4852 wrote to memory of 3160	4852	anzwpchr.exe	103
PID 4852 wrote to memory of 3160	4852	anzwpchr.exe	103
PID 4852 wrote to memory of 3160	4852	anzwpchr.exe	103
PID 4852 wrote to memory of 3160	4852	anzwpchr.exe	103
PID 4852 wrote to memory of 3160	4852	anzwpchr.exe	103
PID 752 wrote to memory of 2484	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	107
PID 752 wrote to memory of 2484	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	107
PID 752 wrote to memory of 2484	752	2025-03-30_2ed06ba8d9000f25ab5aeec9d4e8f737_mafia_rhadamanthys.exe	107

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⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pizyqzb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\anzwpchr.exe" C:\Windows\SysWOW64\pizyqzb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pizyqzb binPath= "C:\Windows\SysWOW64\pizyqzb\anzwpchr.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:4664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pizyqzb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pizyqzb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4780
- 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:2484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 592
  2⤵
  - Program crash
  PID:5240

C:\Windows\SysWOW64\pizyqzb\anzwpchr.exe
C:\Windows\SysWOW64\pizyqzb\anzwpchr.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:4852
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 532
  2⤵
  - Program crash
  PID:1868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4852 -ip 4852
1⤵
PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 752 -ip 752
1⤵
PID:1880

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.7MB

MD5
9c7caf6fafdd6c1a2e4c21464550ebf0

SHA1
4ce6acb015266d5dfb8d40e8481b769dd51e40bc

SHA256
460d44349e3840692497e75bcbc93228adc5b6bb3b471742594bbb17b3200b42

SHA512
40f276f9376adcad1bb6e1263ebcb31d9c38e6b7e7447064137cd5a879a5743a390b460236bdf3407c49549cc79e26795a12745d26522bfd6edb4ae33265bfab

Download Submit
memory/752-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/752-2-0x0000000000530000-0x0000000000543000-memory.dmp

Filesize
76KB

Download
memory/752-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/752-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/752-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/752-18-0x0000000000530000-0x0000000000543000-memory.dmp

Filesize
76KB

Download
memory/3160-14-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/3160-11-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/3160-20-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/3160-21-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/3160-22-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/4852-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4852-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4852-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4852-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads