tofsee | 77a9cba9f3c3051f71c90a4d498953be987602f4dc9bb5b2449a43c3272d1f2e

Analysis

max time kernel
145s
max time network
118s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
30/03/2025, 09:23

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General

Target

2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe
Size

11.8MB
MD5

593ab1704817d65976eb215ca605963a
SHA1

f7b0316979e796492264845dfed3b2aa0542ecaf
SHA256

77a9cba9f3c3051f71c90a4d498953be987602f4dc9bb5b2449a43c3272d1f2e
SHA512

b262494d3d1c0094de0ba1cf2eec8d55abdb0fac2d14d3f1b7c69c0a561d179fc8e27a0fc9616d71636abd03a74ce618ec3fd92cc168833441ae91cbcd6d7984
SSDEEP

12288:nEMv9cfEtUy9UoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUoUP:n3usFK

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\zuzypgso = "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
2520	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\zuzypgso\ImagePath = "C:\\Windows\\SysWOW64\\zuzypgso\\zzalghfn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2700	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2968	zzalghfn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 2700	2968	zzalghfn.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2820	sc.exe
2344	sc.exe
2436	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	zzalghfn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.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	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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 1708	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	30
PID 1852 wrote to memory of 1708	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	30
PID 1852 wrote to memory of 1708	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	30
PID 1852 wrote to memory of 1708	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	30
PID 1852 wrote to memory of 2000	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	32
PID 1852 wrote to memory of 2000	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	32
PID 1852 wrote to memory of 2000	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	32
PID 1852 wrote to memory of 2000	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	32
PID 1852 wrote to memory of 2344	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	34
PID 1852 wrote to memory of 2344	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	34
PID 1852 wrote to memory of 2344	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	34
PID 1852 wrote to memory of 2344	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	34
PID 1852 wrote to memory of 2436	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	36
PID 1852 wrote to memory of 2436	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	36
PID 1852 wrote to memory of 2436	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	36
PID 1852 wrote to memory of 2436	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	36
PID 1852 wrote to memory of 2820	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	38
PID 1852 wrote to memory of 2820	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	38
PID 1852 wrote to memory of 2820	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	38
PID 1852 wrote to memory of 2820	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	38
PID 1852 wrote to memory of 2520	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	42
PID 1852 wrote to memory of 2520	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	42
PID 1852 wrote to memory of 2520	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	42
PID 1852 wrote to memory of 2520	1852	2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe	42
PID 2968 wrote to memory of 2700	2968	zzalghfn.exe	44
PID 2968 wrote to memory of 2700	2968	zzalghfn.exe	44
PID 2968 wrote to memory of 2700	2968	zzalghfn.exe	44
PID 2968 wrote to memory of 2700	2968	zzalghfn.exe	44
PID 2968 wrote to memory of 2700	2968	zzalghfn.exe	44
PID 2968 wrote to memory of 2700	2968	zzalghfn.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zuzypgso\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zzalghfn.exe" C:\Windows\SysWOW64\zuzypgso\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2000
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zuzypgso binPath= "C:\Windows\SysWOW64\zuzypgso\zzalghfn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2344
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zuzypgso "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2436
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zuzypgso
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2820
- 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:2520

C:\Windows\SysWOW64\zuzypgso\zzalghfn.exe
C:\Windows\SysWOW64\zuzypgso\zzalghfn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_593ab1704817d65976eb215ca605963a_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- 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:2700

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\zzalghfn.exe

Filesize
14.9MB

MD5
eeffc1f21138cac9e30442dc2038d268

SHA1
878aa2a9aba2f514e7591a854b6c207d4d5c886a

SHA256
0c6cef52389956e22438de39b07acf37cfc3706580182910e1989a774a900591

SHA512
92d4bc159fe1f298f92c325a19fedf6d651ee70cde6d1eba191380a99d0053547431443c7ffd7114ddd11887a246bc160e6b11c34fcf5d4b568a583bb8e8b008

Download Submit
memory/1852-7-0x0000000000400000-0x0000000000864000-memory.dmp

Filesize
4.4MB

Download
memory/1852-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1852-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1852-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1852-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1852-1-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/2700-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2968-16-0x0000000000400000-0x0000000000864000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads