tofsee | d0f978d82cbf058a5b7e9a21adfc71163c858079f27a0d3309562fe8079aea1b

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 16:45

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General

Target

2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe
Size

10.8MB
MD5

9fba6bf500f826b16e4dd43e6829feec
SHA1

a6b38df45fb123a59ed0783030b33726c4ee74de
SHA256

d0f978d82cbf058a5b7e9a21adfc71163c858079f27a0d3309562fe8079aea1b
SHA512

7d477aceb07682037c2e5c99c96ada856dcfa41efe2271b214e2f93f87ef64ebaf7c05dcc34a7e8c3065541558e5231068c7284674c531c7689d04274ac9b9b5
SSDEEP

24576:E6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQY:pWdLQk

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\yokmsvhl = "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
2324	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\yokmsvhl\ImagePath = "C:\\Windows\\SysWOW64\\yokmsvhl\\ccdojkiq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2836	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2936	ccdojkiq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2836	2936	ccdojkiq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
484	sc.exe
2092	sc.exe
2804	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.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	ccdojkiq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 2248	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	30
PID 1600 wrote to memory of 2248	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	30
PID 1600 wrote to memory of 2248	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	30
PID 1600 wrote to memory of 2248	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	30
PID 1600 wrote to memory of 1232	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	32
PID 1600 wrote to memory of 1232	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	32
PID 1600 wrote to memory of 1232	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	32
PID 1600 wrote to memory of 1232	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	32
PID 1600 wrote to memory of 484	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	34
PID 1600 wrote to memory of 484	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	34
PID 1600 wrote to memory of 484	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	34
PID 1600 wrote to memory of 484	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	34
PID 1600 wrote to memory of 2092	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	36
PID 1600 wrote to memory of 2092	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	36
PID 1600 wrote to memory of 2092	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	36
PID 1600 wrote to memory of 2092	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	36
PID 1600 wrote to memory of 2804	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	38
PID 1600 wrote to memory of 2804	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	38
PID 1600 wrote to memory of 2804	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	38
PID 1600 wrote to memory of 2804	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	38
PID 1600 wrote to memory of 2324	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	41
PID 1600 wrote to memory of 2324	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	41
PID 1600 wrote to memory of 2324	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	41
PID 1600 wrote to memory of 2324	1600	2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe	41
PID 2936 wrote to memory of 2836	2936	ccdojkiq.exe	43
PID 2936 wrote to memory of 2836	2936	ccdojkiq.exe	43
PID 2936 wrote to memory of 2836	2936	ccdojkiq.exe	43
PID 2936 wrote to memory of 2836	2936	ccdojkiq.exe	43
PID 2936 wrote to memory of 2836	2936	ccdojkiq.exe	43
PID 2936 wrote to memory of 2836	2936	ccdojkiq.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yokmsvhl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ccdojkiq.exe" C:\Windows\SysWOW64\yokmsvhl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1232
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yokmsvhl binPath= "C:\Windows\SysWOW64\yokmsvhl\ccdojkiq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yokmsvhl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2092
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start yokmsvhl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:2324

C:\Windows\SysWOW64\yokmsvhl\ccdojkiq.exe
C:\Windows\SysWOW64\yokmsvhl\ccdojkiq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_9fba6bf500f826b16e4dd43e6829feec_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- 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:2836

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\ccdojkiq.exe

Filesize
10.7MB

MD5
5ebd43d75b419df6dcefaea8f4c40305

SHA1
f092d7e3163eb743a96d19c2443c710a173430ee

SHA256
179fe42c2549512866358a3deeaa8d545705df37baaea8b2fbde72446b075225

SHA512
64fbfaff35c048adeea6541844437f55458a4be771161302170ab4d35130f35e471308e16a5ed1e66f0259861c3da2394529258f6dd95933dd4321d641d6c398

Download Submit
memory/1600-8-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1600-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1600-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1600-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1600-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1600-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2836-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2836-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2836-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2836-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-17-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads