tofsee | ddaa428d2e3531994a4902d7a09f248edbc4be2d4fcff8be75f3616439b69707

General

Target

2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe
Size

14.7MB
MD5

8239d411837194c15c188f06ffb1003c
SHA1

4c6edd70541223b1e7792d5e6aa5987200d9efda
SHA256

ddaa428d2e3531994a4902d7a09f248edbc4be2d4fcff8be75f3616439b69707
SHA512

ef6877cba0a22b80a53530f4353065f86967c7fd1548123a860b42d6124e5127bb187a244f81c39f0056b8cf9db5838f23892eca774bfde5950f75241be2e7fc
SSDEEP

393216:GXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX7:a

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
5012	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\wmesszfr\ImagePath = "C:\\Windows\\SysWOW64\\wmesszfr\\qoxyhdso.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-1-5-21-1412605595-2147700071-3468511006-1000\Control Panel\International\Geo\Nation	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe

Deletes itself 1 IoCs

pid	Process
1464	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	qoxyhdso.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 1464	2664	qoxyhdso.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
4348	sc.exe
2740	sc.exe
3208	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	qoxyhdso.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 392	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	85
PID 4840 wrote to memory of 392	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	85
PID 4840 wrote to memory of 392	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	85
PID 4840 wrote to memory of 3128	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	87
PID 4840 wrote to memory of 3128	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	87
PID 4840 wrote to memory of 3128	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	87
PID 4840 wrote to memory of 4348	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	89
PID 4840 wrote to memory of 4348	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	89
PID 4840 wrote to memory of 4348	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	89
PID 4840 wrote to memory of 2740	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	91
PID 4840 wrote to memory of 2740	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	91
PID 4840 wrote to memory of 2740	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	91
PID 4840 wrote to memory of 3208	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	93
PID 4840 wrote to memory of 3208	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	93
PID 4840 wrote to memory of 3208	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	93
PID 2664 wrote to memory of 1464	2664	qoxyhdso.exe	96
PID 2664 wrote to memory of 1464	2664	qoxyhdso.exe	96
PID 2664 wrote to memory of 1464	2664	qoxyhdso.exe	96
PID 2664 wrote to memory of 1464	2664	qoxyhdso.exe	96
PID 2664 wrote to memory of 1464	2664	qoxyhdso.exe	96
PID 4840 wrote to memory of 5012	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	97
PID 4840 wrote to memory of 5012	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	97
PID 4840 wrote to memory of 5012	4840	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	97

C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wmesszfr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:392
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qoxyhdso.exe" C:\Windows\SysWOW64\wmesszfr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wmesszfr binPath= "C:\Windows\SysWOW64\wmesszfr\qoxyhdso.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4348
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wmesszfr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wmesszfr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3208
- 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:5012

C:\Windows\SysWOW64\wmesszfr\qoxyhdso.exe
C:\Windows\SysWOW64\wmesszfr\qoxyhdso.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1464

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\qoxyhdso.exe

Filesize
11.2MB

MD5
d0bcad130d92d581988a363cc6dd0594

SHA1
d554ed83df008809097bdda28a8aaf3d4f1077bd

SHA256
5b4a4ff7d660f534d9e1cae289c333a0cc0cc3bf4c5d1907f190745e1db022c4

SHA512
89bb6d98ba90acd9412b3672f93eb5459b50a6ac039ede07b1206f490d080958db59f50e2235a57cd21e18e79c6ce4f160614013c7faab061572718bccb2033f

Download Submit
memory/1464-12-0x0000000000510000-0x0000000000525000-memory.dmp

Filesize
84KB

Download
memory/1464-20-0x0000000000510000-0x0000000000525000-memory.dmp

Filesize
84KB

Download
memory/1464-19-0x0000000000510000-0x0000000000525000-memory.dmp

Filesize
84KB

Download
memory/1464-18-0x0000000000510000-0x0000000000525000-memory.dmp

Filesize
84KB

Download
memory/1464-9-0x0000000000510000-0x0000000000525000-memory.dmp

Filesize
84KB

Download
memory/2664-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2664-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4840-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/4840-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4840-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4840-16-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/4840-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4840-2-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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