tofsee | e1e3b33f56d80864df7e06d7ba18b1529eac8f1abda7ff6300680fa7596ed190

General

Target

2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe
Size

13.0MB
MD5

4612ec7fc536267438ce212a7663ff1c
SHA1

c016ef22ebec364999abdcc06143d5e1fd5382d8
SHA256

e1e3b33f56d80864df7e06d7ba18b1529eac8f1abda7ff6300680fa7596ed190
SHA512

49f43d6bfa4c4abce6743c4b12133771b8bf3bac17695319b623afdd25b074839e52586c3765de314fbb1e9938f67b6881bb71ea700b5723613c2ce4e21ff7c8
SSDEEP

6144:DLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQo:4TYe+D2jFu+iZoUFhAz

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
46	4944	Process not Found

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3996	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\zegdjeep\ImagePath = "C:\\Windows\\SysWOW64\\zegdjeep\\xrritctv.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-1-5-21-194335498-2604837297-537231065-1000\Control Panel\International\Geo\Nation	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe

Deletes itself 1 IoCs

pid	Process
1176	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4480	xrritctv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4480 set thread context of 1176	4480	xrritctv.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
4648	sc.exe
1600	sc.exe
4412	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
3900	2008	WerFault.exe	85
4024	4480	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 10 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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xrritctv.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4064	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 864	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	89
PID 2008 wrote to memory of 864	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	89
PID 2008 wrote to memory of 864	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	89
PID 2008 wrote to memory of 3084	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	91
PID 2008 wrote to memory of 3084	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	91
PID 2008 wrote to memory of 3084	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	91
PID 2008 wrote to memory of 4648	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	93
PID 2008 wrote to memory of 4648	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	93
PID 2008 wrote to memory of 4648	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	93
PID 2008 wrote to memory of 1600	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	95
PID 2008 wrote to memory of 1600	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	95
PID 2008 wrote to memory of 1600	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	95
PID 2008 wrote to memory of 4412	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	97
PID 2008 wrote to memory of 4412	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	97
PID 2008 wrote to memory of 4412	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	97
PID 2008 wrote to memory of 3996	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	100
PID 2008 wrote to memory of 3996	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	100
PID 2008 wrote to memory of 3996	2008	2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe	100
PID 4480 wrote to memory of 1176	4480	xrritctv.exe	105
PID 4480 wrote to memory of 1176	4480	xrritctv.exe	105
PID 4480 wrote to memory of 1176	4480	xrritctv.exe	105
PID 4480 wrote to memory of 1176	4480	xrritctv.exe	105
PID 4480 wrote to memory of 1176	4480	xrritctv.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zegdjeep\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xrritctv.exe" C:\Windows\SysWOW64\zegdjeep\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3084
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zegdjeep binPath= "C:\Windows\SysWOW64\zegdjeep\xrritctv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zegdjeep "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1600
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zegdjeep
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4412
- 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:3996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 1036
  2⤵
  - Program crash
  PID:3900

C:\Windows\SysWOW64\zegdjeep\xrritctv.exe
C:\Windows\SysWOW64\zegdjeep\xrritctv.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-09_4612ec7fc536267438ce212a7663ff1c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1176
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 512
  2⤵
  - Program crash
  PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2008 -ip 2008
1⤵
PID:4416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4480 -ip 4480
1⤵
PID:1424

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDI4MDMzNTY5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4064

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
14.3MB

MD5
9263f13345a65ea25d188a7aaae359d7

SHA1
e258a85fbd413ff2f2a9b1760585f40ba819827f

SHA256
8d177a04c80269ab829c4aeefe95aaad20641e32b45ddcc299f0c0123a7ea837

SHA512
093cded2258f3042cb23efbe4930a6b25dbdf593e79b7d6bfc117f9c408286263d8b4d3c72a86e3d6e1a010140a584d53feb3933514cac34ca37c9e7385b683f

Download Submit
memory/1176-10-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/1176-19-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/1176-21-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/1176-13-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/1176-20-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2008-2-0x0000000000520000-0x0000000000533000-memory.dmp

Filesize
76KB

Download
memory/2008-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2008-1-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2008-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2008-15-0x0000000000520000-0x0000000000533000-memory.dmp

Filesize
76KB

Download
memory/2008-14-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4480-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4480-18-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4480-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads