tofsee | 48cd6c50ceff5d85c03b03b9864b6631983bf8b5a0b2a599857b924aad773da0

General

Target

2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe
Size

13.6MB
MD5

a60ac9f9f8401b075313d1ea5ed38a3d
SHA1

a399ae72488052b9a5b629b0bc9d5c47e4b503e3
SHA256

48cd6c50ceff5d85c03b03b9864b6631983bf8b5a0b2a599857b924aad773da0
SHA512

33dbb5926885e65db4ba08ecd4595f945e77062ab3932d4a58a2b53ca07391c2256a3d5a3349deb76d45bedee7800a3e1160f60893b5baa9aa99812167a3871a
SSDEEP

24576:C6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ3:LWdLQk

Score

10^/10

tofsee discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4144	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\otvziihh\ImagePath = "C:\\Windows\\SysWOW64\\otvziihh\\nwqvnmhd.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe

Deletes itself 1 IoCs

pid	Process
4792	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1584	nwqvnmhd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1584 set thread context of 4792	1584	nwqvnmhd.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
2560	sc.exe
4024	sc.exe
3680	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
4004	4252	WerFault.exe	82
5072	1584	WerFault.exe	94

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nwqvnmhd.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 4844	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	83
PID 4252 wrote to memory of 4844	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	83
PID 4252 wrote to memory of 4844	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	83
PID 4252 wrote to memory of 3372	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	86
PID 4252 wrote to memory of 3372	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	86
PID 4252 wrote to memory of 3372	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	86
PID 4252 wrote to memory of 2560	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	88
PID 4252 wrote to memory of 2560	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	88
PID 4252 wrote to memory of 2560	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	88
PID 4252 wrote to memory of 4024	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	90
PID 4252 wrote to memory of 4024	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	90
PID 4252 wrote to memory of 4024	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	90
PID 4252 wrote to memory of 3680	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	92
PID 4252 wrote to memory of 3680	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	92
PID 4252 wrote to memory of 3680	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	92
PID 4252 wrote to memory of 4144	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	95
PID 4252 wrote to memory of 4144	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	95
PID 4252 wrote to memory of 4144	4252	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	95
PID 1584 wrote to memory of 4792	1584	nwqvnmhd.exe	101
PID 1584 wrote to memory of 4792	1584	nwqvnmhd.exe	101
PID 1584 wrote to memory of 4792	1584	nwqvnmhd.exe	101
PID 1584 wrote to memory of 4792	1584	nwqvnmhd.exe	101
PID 1584 wrote to memory of 4792	1584	nwqvnmhd.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\otvziihh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4844
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nwqvnmhd.exe" C:\Windows\SysWOW64\otvziihh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3372
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create otvziihh binPath= "C:\Windows\SysWOW64\otvziihh\nwqvnmhd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description otvziihh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start otvziihh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3680
- 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:4144
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4252 -s 1036
  2⤵
  - Program crash
  PID:4004

C:\Windows\SysWOW64\otvziihh\nwqvnmhd.exe
C:\Windows\SysWOW64\otvziihh\nwqvnmhd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 532
  2⤵
  - Program crash
  PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4252 -ip 4252
1⤵
PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1584 -ip 1584
1⤵
PID:1768

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\nwqvnmhd.exe

Filesize
11.2MB

MD5
20cc2a40bee06b567ba637756efb04f2

SHA1
fca22f75f9eaf41aba1629fe2384a71bf797c55a

SHA256
7cd70ac0e43941df9a883049f32da972fe1804d9bb603e3b1a85ce0ecbfed9d5

SHA512
16a49cf002ff8582d9535b25c753f8a0e5d66d4b4ae2453c6476761b7df00385293645e10950a74c65318d62efde40917734b2656e97915ec29cab74fa41885d

Download Submit
memory/1584-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1584-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1584-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1584-19-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4252-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4252-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4252-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4252-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4252-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4252-1-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/4792-14-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/4792-16-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/4792-17-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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