tofsee | dc3d7c629554006086744cd6eebd0acffa1fb20bed484529bc6904c664a1f08c

Analysis

max time kernel
145s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 07:43

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General

Target

2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe
Size

13.7MB
MD5

11aeeea1fb4ac1baab9cddc4d9874697
SHA1

3780806f980d32c23d90be9e1b089909fa0e4675
SHA256

dc3d7c629554006086744cd6eebd0acffa1fb20bed484529bc6904c664a1f08c
SHA512

46bc88078b0ff654de1ed378f9c7ac348f3662f025f5be1cce9f22d2475430e316a86699877a694decd19f8c954aae15cd4c7c49b94db532d2233170589f7f7e
SSDEEP

49152:9qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:9qtYc30

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\cmuyeufy = "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
2944	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\cmuyeufy\ImagePath = "C:\\Windows\\SysWOW64\\cmuyeufy\\soggdsrf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2800	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2012	soggdsrf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 2800	2012	soggdsrf.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2028	sc.exe
1996	sc.exe
2248	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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	soggdsrf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.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 2368 wrote to memory of 2072	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	30
PID 2368 wrote to memory of 2072	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	30
PID 2368 wrote to memory of 2072	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	30
PID 2368 wrote to memory of 2072	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	30
PID 2368 wrote to memory of 1956	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	32
PID 2368 wrote to memory of 1956	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	32
PID 2368 wrote to memory of 1956	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	32
PID 2368 wrote to memory of 1956	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	32
PID 2368 wrote to memory of 2028	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	34
PID 2368 wrote to memory of 2028	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	34
PID 2368 wrote to memory of 2028	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	34
PID 2368 wrote to memory of 2028	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	34
PID 2368 wrote to memory of 1996	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	36
PID 2368 wrote to memory of 1996	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	36
PID 2368 wrote to memory of 1996	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	36
PID 2368 wrote to memory of 1996	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	36
PID 2368 wrote to memory of 2248	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	38
PID 2368 wrote to memory of 2248	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	38
PID 2368 wrote to memory of 2248	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	38
PID 2368 wrote to memory of 2248	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	38
PID 2012 wrote to memory of 2800	2012	soggdsrf.exe	41
PID 2012 wrote to memory of 2800	2012	soggdsrf.exe	41
PID 2012 wrote to memory of 2800	2012	soggdsrf.exe	41
PID 2012 wrote to memory of 2800	2012	soggdsrf.exe	41
PID 2012 wrote to memory of 2800	2012	soggdsrf.exe	41
PID 2012 wrote to memory of 2800	2012	soggdsrf.exe	41
PID 2368 wrote to memory of 2944	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	42
PID 2368 wrote to memory of 2944	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	42
PID 2368 wrote to memory of 2944	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	42
PID 2368 wrote to memory of 2944	2368	2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cmuyeufy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\soggdsrf.exe" C:\Windows\SysWOW64\cmuyeufy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1956
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cmuyeufy binPath= "C:\Windows\SysWOW64\cmuyeufy\soggdsrf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cmuyeufy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cmuyeufy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2248
- 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:2944

C:\Windows\SysWOW64\cmuyeufy\soggdsrf.exe
C:\Windows\SysWOW64\cmuyeufy\soggdsrf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_11aeeea1fb4ac1baab9cddc4d9874697_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2012
- 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:2800

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\soggdsrf.exe

Filesize
14.6MB

MD5
5064cee5798d773cad820843b51d16e2

SHA1
e66564877d3ab5159df18a3b33e6e5d986abb001

SHA256
20b143a42530912526b25054ae421a45ae7aeb25891b0ad8b92089c03187cb11

SHA512
f444e8cc454bc0201a47c63fc78e8e8a12a87dd58614804ef7f28794c245bd371a13b38ee61275fbb937ca337c7f99721baa1c3eb263ff5abe9397bd18f2ba67

Download Submit
memory/2012-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2368-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2368-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2368-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2368-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2368-1-0x0000000002F30000-0x0000000003030000-memory.dmp

Filesize
1024KB

Download
memory/2368-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2800-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2800-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2800-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2800-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads