tofsee | b188a4a8b0ba36f432612851f8e5629ffab553326c2295965051d0f4b4688746

Analysis

max time kernel
145s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 23:11

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General

Target

2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe
Size

11.5MB
MD5

3282f12ab10ce2ea3bdb07ea836b4f2e
SHA1

c8852356850c23dcdf6d356212b63433e8996aeb
SHA256

b188a4a8b0ba36f432612851f8e5629ffab553326c2295965051d0f4b4688746
SHA512

f9f03c879a3debcdcf3f5e1959296d7a2a3decd1a0f57b8964958695604177f934da2063a6dde44d82699a78bf3b2115db7ae741bed1bcf2bb338095aa40178d
SSDEEP

6144:92MDRs+9skCSisUPOdxJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJs:92y6eCSio0

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\cfsxpfna = "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
2840	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\cfsxpfna\ImagePath = "C:\\Windows\\SysWOW64\\cfsxpfna\\ajdiazuq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2872	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2944	ajdiazuq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2944 set thread context of 2872	2944	ajdiazuq.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2136	sc.exe
2788	sc.exe
2868	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	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.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	ajdiazuq.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	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 2532 wrote to memory of 2500	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	30
PID 2532 wrote to memory of 2500	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	30
PID 2532 wrote to memory of 2500	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	30
PID 2532 wrote to memory of 2500	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	30
PID 2532 wrote to memory of 1260	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	32
PID 2532 wrote to memory of 1260	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	32
PID 2532 wrote to memory of 1260	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	32
PID 2532 wrote to memory of 1260	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	32
PID 2532 wrote to memory of 2136	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	34
PID 2532 wrote to memory of 2136	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	34
PID 2532 wrote to memory of 2136	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	34
PID 2532 wrote to memory of 2136	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	34
PID 2532 wrote to memory of 2788	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	36
PID 2532 wrote to memory of 2788	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	36
PID 2532 wrote to memory of 2788	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	36
PID 2532 wrote to memory of 2788	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	36
PID 2532 wrote to memory of 2868	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	38
PID 2532 wrote to memory of 2868	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	38
PID 2532 wrote to memory of 2868	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	38
PID 2532 wrote to memory of 2868	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	38
PID 2944 wrote to memory of 2872	2944	ajdiazuq.exe	41
PID 2944 wrote to memory of 2872	2944	ajdiazuq.exe	41
PID 2944 wrote to memory of 2872	2944	ajdiazuq.exe	41
PID 2944 wrote to memory of 2872	2944	ajdiazuq.exe	41
PID 2944 wrote to memory of 2872	2944	ajdiazuq.exe	41
PID 2944 wrote to memory of 2872	2944	ajdiazuq.exe	41
PID 2532 wrote to memory of 2840	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	42
PID 2532 wrote to memory of 2840	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	42
PID 2532 wrote to memory of 2840	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	42
PID 2532 wrote to memory of 2840	2532	2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cfsxpfna\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ajdiazuq.exe" C:\Windows\SysWOW64\cfsxpfna\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cfsxpfna binPath= "C:\Windows\SysWOW64\cfsxpfna\ajdiazuq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2136
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cfsxpfna "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cfsxpfna
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2868
- 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:2840

C:\Windows\SysWOW64\cfsxpfna\ajdiazuq.exe
C:\Windows\SysWOW64\cfsxpfna\ajdiazuq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-28_3282f12ab10ce2ea3bdb07ea836b4f2e_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2944
- 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:2872

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\ajdiazuq.exe

Filesize
10.0MB

MD5
bd9008928d212d7328f77f23154b1c98

SHA1
816ff519dd5380b9f2a02bc2f9ba896fac5c39aa

SHA256
37db30fbeaf0b1242154db0dc12f820bc4657d82a942620ab8395fc874d9926b

SHA512
8755bc5c114dedfdc852bd2c604b310d04b5e37131feb0f92ff70d56d41caec1cd7f14dbeefa65758b7e47e029aa44ab390d7038e9c6b1700e14621a9bdb9ac2

Download Submit
memory/2532-15-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2532-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2532-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2532-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2532-1-0x0000000006DD0000-0x0000000006ED0000-memory.dmp

Filesize
1024KB

Download
memory/2532-14-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2872-11-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2872-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2872-8-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2872-17-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2872-18-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2944-12-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads