tofsee | 83ea7631ee7a2647710983c83b0942c9ded55b4337ed635b3e5dd5f3ca2e01e2

Analysis

max time kernel
147s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 03:00

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General

Target

2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe
Size

12.6MB
MD5

e19b3e72ff5b9157d1636509198fdfda
SHA1

4a892bb3727ca87794aef9156e88c24cae2f82fb
SHA256

83ea7631ee7a2647710983c83b0942c9ded55b4337ed635b3e5dd5f3ca2e01e2
SHA512

f5504269aeede5e74418dc46beb09c0ea17eae481edac32ddd4c3d4e02824f44c6c2ad19aad1dedf5017652c94074818648a5d799e116a7252c3a88581ee9fd4
SSDEEP

3072:lLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:IOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\tggrexpl = "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
2152	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\tggrexpl\ImagePath = "C:\\Windows\\SysWOW64\\tggrexpl\\wwxideck.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1804	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	wwxideck.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 1804	2976	wwxideck.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2956	sc.exe
2964	sc.exe
3064	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	wwxideck.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 3000	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	30
PID 2044 wrote to memory of 3000	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	30
PID 2044 wrote to memory of 3000	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	30
PID 2044 wrote to memory of 3000	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	30
PID 2044 wrote to memory of 1984	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	32
PID 2044 wrote to memory of 1984	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	32
PID 2044 wrote to memory of 1984	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	32
PID 2044 wrote to memory of 1984	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	32
PID 2044 wrote to memory of 2956	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	34
PID 2044 wrote to memory of 2956	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	34
PID 2044 wrote to memory of 2956	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	34
PID 2044 wrote to memory of 2956	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	34
PID 2044 wrote to memory of 2964	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	36
PID 2044 wrote to memory of 2964	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	36
PID 2044 wrote to memory of 2964	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	36
PID 2044 wrote to memory of 2964	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	36
PID 2044 wrote to memory of 3064	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	38
PID 2044 wrote to memory of 3064	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	38
PID 2044 wrote to memory of 3064	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	38
PID 2044 wrote to memory of 3064	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	38
PID 2044 wrote to memory of 2152	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	40
PID 2044 wrote to memory of 2152	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	40
PID 2044 wrote to memory of 2152	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	40
PID 2044 wrote to memory of 2152	2044	2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe	40
PID 2976 wrote to memory of 1804	2976	wwxideck.exe	43
PID 2976 wrote to memory of 1804	2976	wwxideck.exe	43
PID 2976 wrote to memory of 1804	2976	wwxideck.exe	43
PID 2976 wrote to memory of 1804	2976	wwxideck.exe	43
PID 2976 wrote to memory of 1804	2976	wwxideck.exe	43
PID 2976 wrote to memory of 1804	2976	wwxideck.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tggrexpl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wwxideck.exe" C:\Windows\SysWOW64\tggrexpl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tggrexpl binPath= "C:\Windows\SysWOW64\tggrexpl\wwxideck.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2956
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tggrexpl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tggrexpl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3064
- 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:2152

C:\Windows\SysWOW64\tggrexpl\wwxideck.exe
C:\Windows\SysWOW64\tggrexpl\wwxideck.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_e19b3e72ff5b9157d1636509198fdfda_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- 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:1804

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\wwxideck.exe

Filesize
13.6MB

MD5
111f51e7e09b78ae11e8bd79b5512c3f

SHA1
8eebf0b53c7b2eba77d906cf74424f9339a2bb8d

SHA256
7b8f9b7d327148bcb1c2623cb287f0a69fe82563d769fafb2d624fe43fe9cb23

SHA512
4976255bbf0187a6a951bc6a3d2eb7aa76519cc6ed0950312a70ca5a7d7df6ba804da8bdf3267687424ec9b238a1b69948f0561afd66da3e1d313d9e34bc8d45

Download Submit
memory/1804-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1804-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1804-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1804-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1804-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2044-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2044-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2044-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2044-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2044-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2976-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads