tofsee | 7faf95342f16f66b3e626bd8e679ada46040ae39a4aab0ea9bda869b4232d4f9

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 20:13

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General

Target

2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe
Size

10.7MB
MD5

d12fcd8e42d1bd01e095d49224242a39
SHA1

52f01de9737f30707bd9391941e37bc3d90f146e
SHA256

7faf95342f16f66b3e626bd8e679ada46040ae39a4aab0ea9bda869b4232d4f9
SHA512

6f823ff4a76b080baaa0b5982ca97842eb66ec8f181576b9963da279dc0b7eb31d35550f5d8c1249518a37c82e91db78933cbfce0364614fe4a930cdea33f25e
SSDEEP

3072:ULBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:ROMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\xdilajpw = "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
2204	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\xdilajpw\ImagePath = "C:\\Windows\\SysWOW64\\xdilajpw\\ruaujufl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2768	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2836	ruaujufl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2836 set thread context of 2768	2836	ruaujufl.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2744	sc.exe
1704	sc.exe
2260	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	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ruaujufl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 1792	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	30
PID 2516 wrote to memory of 1792	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	30
PID 2516 wrote to memory of 1792	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	30
PID 2516 wrote to memory of 1792	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	30
PID 2516 wrote to memory of 1600	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	32
PID 2516 wrote to memory of 1600	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	32
PID 2516 wrote to memory of 1600	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	32
PID 2516 wrote to memory of 1600	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	32
PID 2516 wrote to memory of 1704	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	35
PID 2516 wrote to memory of 1704	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	35
PID 2516 wrote to memory of 1704	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	35
PID 2516 wrote to memory of 1704	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	35
PID 2516 wrote to memory of 2260	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	37
PID 2516 wrote to memory of 2260	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	37
PID 2516 wrote to memory of 2260	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	37
PID 2516 wrote to memory of 2260	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	37
PID 2516 wrote to memory of 2744	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	39
PID 2516 wrote to memory of 2744	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	39
PID 2516 wrote to memory of 2744	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	39
PID 2516 wrote to memory of 2744	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	39
PID 2836 wrote to memory of 2768	2836	ruaujufl.exe	42
PID 2836 wrote to memory of 2768	2836	ruaujufl.exe	42
PID 2836 wrote to memory of 2768	2836	ruaujufl.exe	42
PID 2836 wrote to memory of 2768	2836	ruaujufl.exe	42
PID 2836 wrote to memory of 2768	2836	ruaujufl.exe	42
PID 2836 wrote to memory of 2768	2836	ruaujufl.exe	42
PID 2516 wrote to memory of 2204	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	43
PID 2516 wrote to memory of 2204	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	43
PID 2516 wrote to memory of 2204	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	43
PID 2516 wrote to memory of 2204	2516	2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xdilajpw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ruaujufl.exe" C:\Windows\SysWOW64\xdilajpw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1600
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xdilajpw binPath= "C:\Windows\SysWOW64\xdilajpw\ruaujufl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xdilajpw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xdilajpw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- 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:2204

C:\Windows\SysWOW64\xdilajpw\ruaujufl.exe
C:\Windows\SysWOW64\xdilajpw\ruaujufl.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_d12fcd8e42d1bd01e095d49224242a39_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2836
- 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:2768

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\ruaujufl.exe

Filesize
11.8MB

MD5
24bd85cfd4f367380324d69d46805978

SHA1
9ae1e14cd3733e22bf9be7f9fb8dc06ec4425abc

SHA256
12b0178d8d6ad98ac457790240a3c04c3b74d3b47876ab525cfcf8c0cfcfd930

SHA512
473902b4699dbc65d9d501f2cf3241223f039116a74dd66ea9203d4330f876956c6aa70fbaf8a00d0190e28c32dd4a00e37f0da952b6d55d0a07271d2e17b289

Download Submit
memory/2516-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2516-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2516-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2516-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2516-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2516-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2768-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2768-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2768-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2768-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2836-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads