tofsee | 588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c

Analysis

max time kernel
144s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 14:50

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General

Target

588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe
Size

12.6MB
MD5

0c4b956df94e7fa77967043428ee105d
SHA1

7ec22983461cd45e2fba80b561b9006fd5e012be
SHA256

588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c
SHA512

1d0b850ec7273459e454b24ca3ead47d36a270762cc7a348f15df73b63d31390f795e9283e84b401148515ad2404e53993221fee92cf4ca0cd851638e054b18e
SSDEEP

393216:fH2222222222222222222222222222222222222222222222222222222222222h:v222222222222222222222222222222G

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
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\gaqpxpky = "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

Processes:

netsh.exe

pid	Process
2956	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\gaqpxpky\ImagePath = "C:\\Windows\\SysWOW64\\gaqpxpky\\fioixitz.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid	Process
2716	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

fioixitz.exe

pid	Process
2996	fioixitz.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fioixitz.exe

description	pid	Process	procid_target
PID 2996 set thread context of 2716	2996	fioixitz.exe	41

Launches sc.exe 3 IoCs

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

Processes:

sc.exesc.exesc.exe

pid	Process
2788	sc.exe
2684	sc.exe
2988	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

Processes:

netsh.exe

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

Processes:

svchost.exe588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exesc.exesc.exesc.exenetsh.execmd.execmd.exefioixitz.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.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	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	fioixitz.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exefioixitz.exe

description	pid	Process	procid_target
PID 2032 wrote to memory of 2396	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	30
PID 2032 wrote to memory of 2396	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	30
PID 2032 wrote to memory of 2396	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	30
PID 2032 wrote to memory of 2396	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	30
PID 2032 wrote to memory of 1716	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	32
PID 2032 wrote to memory of 1716	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	32
PID 2032 wrote to memory of 1716	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	32
PID 2032 wrote to memory of 1716	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	32
PID 2032 wrote to memory of 2684	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	34
PID 2032 wrote to memory of 2684	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	34
PID 2032 wrote to memory of 2684	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	34
PID 2032 wrote to memory of 2684	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	34
PID 2032 wrote to memory of 2988	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	36
PID 2032 wrote to memory of 2988	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	36
PID 2032 wrote to memory of 2988	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	36
PID 2032 wrote to memory of 2988	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	36
PID 2032 wrote to memory of 2788	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	38
PID 2032 wrote to memory of 2788	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	38
PID 2032 wrote to memory of 2788	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	38
PID 2032 wrote to memory of 2788	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	38
PID 2996 wrote to memory of 2716	2996	fioixitz.exe	41
PID 2996 wrote to memory of 2716	2996	fioixitz.exe	41
PID 2996 wrote to memory of 2716	2996	fioixitz.exe	41
PID 2996 wrote to memory of 2716	2996	fioixitz.exe	41
PID 2996 wrote to memory of 2716	2996	fioixitz.exe	41
PID 2996 wrote to memory of 2716	2996	fioixitz.exe	41
PID 2032 wrote to memory of 2956	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	42
PID 2032 wrote to memory of 2956	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	42
PID 2032 wrote to memory of 2956	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	42
PID 2032 wrote to memory of 2956	2032	588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe	42

C:\Users\Admin\AppData\Local\Temp\588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe
"C:\Users\Admin\AppData\Local\Temp\588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gaqpxpky\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fioixitz.exe" C:\Windows\SysWOW64\gaqpxpky\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gaqpxpky binPath= "C:\Windows\SysWOW64\gaqpxpky\fioixitz.exe /d\"C:\Users\Admin\AppData\Local\Temp\588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gaqpxpky "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gaqpxpky
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- 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:2956

C:\Windows\SysWOW64\gaqpxpky\fioixitz.exe
C:\Windows\SysWOW64\gaqpxpky\fioixitz.exe /d"C:\Users\Admin\AppData\Local\Temp\588e82d016cf820981a0ff1bc1063ebdacc6918051d5855756d4f141ebc9f48c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996
- 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:2716

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\fioixitz.exe

Filesize
12.8MB

MD5
bfd61b1f587ca2b7ec96f267ae861b5e

SHA1
1c9f0951e3842432072ddd296af81524daaee461

SHA256
0d7d2e93b926dff68ccb76b918500b5c1dccfd64678b909bb5a219669f14bf4c

SHA512
4501a1894a3930ed47ba348c5a4af7e3f66177e0ab83828970bc43b0f288363677ba71900f61261c984a002b4554568357bb9ecedd04d13553ba8f8d174f9489

Download Submit
memory/2032-15-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2032-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2032-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2032-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2032-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2032-14-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2716-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2716-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2716-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2716-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2996-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download