tofsee | 78f39346063c30c9acfc8970bad09ecaa63f3efd635b4a5d152efc0499142fa8

Analysis

max time kernel
145s
max time network
127s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/03/2025, 09:20

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General

Target

2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe
Size

11.5MB
MD5

4b33ef6f694d930df29b0f4ab56c6032
SHA1

667b568962798668bbb322b9036f0e414b4f5350
SHA256

78f39346063c30c9acfc8970bad09ecaa63f3efd635b4a5d152efc0499142fa8
SHA512

30b707986fb39038e1209f006f5a9f11459ce9c30b6d3b5b1aa4c6de2d9eca54c2643c6e1a0efdc66e59d60d724f01e3e1004a8cdd27bee6c3070ddb2be731e3
SSDEEP

3072:R/IS72NPLnCwVm85Vuv63c7sVvuFImzMWcdUf87sIHtU18:ySIPuS3c7sSzMZdnQc68

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\cdzjawaw = "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
3044	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\cdzjawaw\ImagePath = "C:\\Windows\\SysWOW64\\cdzjawaw\\qhdkbaei.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2796	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	qhdkbaei.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2616 set thread context of 2796	2616	qhdkbaei.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2216	sc.exe
2828	sc.exe
2944	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	cmd.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_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	qhdkbaei.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2544	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	30
PID 2584 wrote to memory of 2544	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	30
PID 2584 wrote to memory of 2544	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	30
PID 2584 wrote to memory of 2544	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	30
PID 2584 wrote to memory of 1992	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	32
PID 2584 wrote to memory of 1992	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	32
PID 2584 wrote to memory of 1992	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	32
PID 2584 wrote to memory of 1992	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	32
PID 2584 wrote to memory of 2216	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	34
PID 2584 wrote to memory of 2216	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	34
PID 2584 wrote to memory of 2216	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	34
PID 2584 wrote to memory of 2216	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	34
PID 2584 wrote to memory of 2828	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	36
PID 2584 wrote to memory of 2828	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	36
PID 2584 wrote to memory of 2828	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	36
PID 2584 wrote to memory of 2828	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	36
PID 2584 wrote to memory of 2944	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	38
PID 2584 wrote to memory of 2944	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	38
PID 2584 wrote to memory of 2944	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	38
PID 2584 wrote to memory of 2944	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	38
PID 2616 wrote to memory of 2796	2616	qhdkbaei.exe	41
PID 2616 wrote to memory of 2796	2616	qhdkbaei.exe	41
PID 2616 wrote to memory of 2796	2616	qhdkbaei.exe	41
PID 2616 wrote to memory of 2796	2616	qhdkbaei.exe	41
PID 2616 wrote to memory of 2796	2616	qhdkbaei.exe	41
PID 2616 wrote to memory of 2796	2616	qhdkbaei.exe	41
PID 2584 wrote to memory of 3044	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	42
PID 2584 wrote to memory of 3044	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	42
PID 2584 wrote to memory of 3044	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	42
PID 2584 wrote to memory of 3044	2584	2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cdzjawaw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qhdkbaei.exe" C:\Windows\SysWOW64\cdzjawaw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1992
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cdzjawaw binPath= "C:\Windows\SysWOW64\cdzjawaw\qhdkbaei.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2216
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cdzjawaw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cdzjawaw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2944
- 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:3044

C:\Windows\SysWOW64\cdzjawaw\qhdkbaei.exe
C:\Windows\SysWOW64\cdzjawaw\qhdkbaei.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- 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:2796

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\qhdkbaei.exe

Filesize
14.4MB

MD5
33ec545ec3ab4e2c20710fac35d6a4e3

SHA1
a2140df1b0d51eed200b5a16887e537bbee06e63

SHA256
fc2b0e5304440e1dfe590d66c6fe14fb4a959f32ef664542c38a482a181e486b

SHA512
7234161e2794755330bb064ca3bdc50cee24bd484b6c625d2bc521c53cd540b05dd8c27fd1f050e0714f98abae653f353b31161c721ccd9c1b1e5c0e10f73fcd

Download Submit
memory/2584-14-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2584-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2584-2-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2584-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2584-1-0x0000000006CF0000-0x0000000006DF0000-memory.dmp

Filesize
1024KB

Download
memory/2584-15-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2616-13-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2796-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads