tofsee | 895e58e998394c5bad05cea208855f3ec100bbe82128cf9dc8aedd9dfa1a6be2

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 14:45

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General

Target

2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe
Size

10.0MB
MD5

0b5830fc403efacf6492e62588fe2e3a
SHA1

fdeb8f8b9cea48693c2cbdd08cb04e9ef90c5a8d
SHA256

895e58e998394c5bad05cea208855f3ec100bbe82128cf9dc8aedd9dfa1a6be2
SHA512

a66b328c757b52302a8bddbaa4c26dbbb5a272e128a97db7f5aff9d6e83450fe3f6329f9d57e30324cdefdc53382d7ea7f0826308bea9dc58189fc6a4c792052
SSDEEP

6144:W+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:W+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee discovery evasion 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

Windows security bypass 2 TTPs 1 IoCs

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\fyhecjys = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2144	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\fyhecjys\ImagePath = "C:\\Windows\\SysWOW64\\fyhecjys\\puhhkjze.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2568	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	puhhkjze.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 2568	2852	puhhkjze.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2904	sc.exe
2812	sc.exe
2096	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	puhhkjze.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.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 30 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2744	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	30
PID 2116 wrote to memory of 2744	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	30
PID 2116 wrote to memory of 2744	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	30
PID 2116 wrote to memory of 2744	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	30
PID 2116 wrote to memory of 2692	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	32
PID 2116 wrote to memory of 2692	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	32
PID 2116 wrote to memory of 2692	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	32
PID 2116 wrote to memory of 2692	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	32
PID 2116 wrote to memory of 2096	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	34
PID 2116 wrote to memory of 2096	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	34
PID 2116 wrote to memory of 2096	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	34
PID 2116 wrote to memory of 2096	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	34
PID 2116 wrote to memory of 2904	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	36
PID 2116 wrote to memory of 2904	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	36
PID 2116 wrote to memory of 2904	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	36
PID 2116 wrote to memory of 2904	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	36
PID 2116 wrote to memory of 2812	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	38
PID 2116 wrote to memory of 2812	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	38
PID 2116 wrote to memory of 2812	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	38
PID 2116 wrote to memory of 2812	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	38
PID 2852 wrote to memory of 2568	2852	puhhkjze.exe	41
PID 2852 wrote to memory of 2568	2852	puhhkjze.exe	41
PID 2852 wrote to memory of 2568	2852	puhhkjze.exe	41
PID 2852 wrote to memory of 2568	2852	puhhkjze.exe	41
PID 2852 wrote to memory of 2568	2852	puhhkjze.exe	41
PID 2852 wrote to memory of 2568	2852	puhhkjze.exe	41
PID 2116 wrote to memory of 2144	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	42
PID 2116 wrote to memory of 2144	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	42
PID 2116 wrote to memory of 2144	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	42
PID 2116 wrote to memory of 2144	2116	2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fyhecjys\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\puhhkjze.exe" C:\Windows\SysWOW64\fyhecjys\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fyhecjys binPath= "C:\Windows\SysWOW64\fyhecjys\puhhkjze.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2096
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fyhecjys "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fyhecjys
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- 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:2144

C:\Windows\SysWOW64\fyhecjys\puhhkjze.exe
C:\Windows\SysWOW64\fyhecjys\puhhkjze.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-08-15_0b5830fc403efacf6492e62588fe2e3a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- 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:2568

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\puhhkjze.exe

Filesize
10.3MB

MD5
fa29d8d2cc7f86db5f9721657644585f

SHA1
fd183a34a40595bb1e90e6734f4604031910f0de

SHA256
f92320ab684976898b832da5b076dd27a53edad2e485d21527aee3992a2d7fa5

SHA512
f2f0094973a8008e1607c25a67d172058462e4a8e7c1f7555ff2aba88798d03b6214d9bfdafa66909e6cd8b87b0baade32fd6e5ed139deda2a5c50a6972ad795

Download Submit
memory/2116-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2116-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2116-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2116-13-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2568-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2568-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-7-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2568-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2568-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-12-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads