tofsee | 0e922b25dd21ab718e6c5ed21c1b8ca0ca0a2030b4a9be1e7665b7cfc64cac23

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/03/2025, 09:23

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General

Target

2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe
Size

12.4MB
MD5

5dd28166fc5dac61d79f2240608b7cd5
SHA1

b11feac319f8dacbddd8cdcd241d4f4431c167db
SHA256

0e922b25dd21ab718e6c5ed21c1b8ca0ca0a2030b4a9be1e7665b7cfc64cac23
SHA512

cc02d00ad6a8da7eb5a50f5c110651b46b470f291cef707b743b550decebc10adb6446a6c386807fc1a51d14931f7db9459ad9b77ed3b2ba2a6553b6d486a08e
SSDEEP

49152:V/hNzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzD:VpZ

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\ycpddiip = "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
2568	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\ycpddiip\ImagePath = "C:\\Windows\\SysWOW64\\ycpddiip\\qmeebqpd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2860	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2680	qmeebqpd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 2860	2680	qmeebqpd.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2248	sc.exe
2676	sc.exe
2824	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	qmeebqpd.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	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_5dd28166fc5dac61d79f2240608b7cd5_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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2280	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	31
PID 2856 wrote to memory of 2280	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	31
PID 2856 wrote to memory of 2280	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	31
PID 2856 wrote to memory of 2280	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	31
PID 2856 wrote to memory of 1712	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	33
PID 2856 wrote to memory of 1712	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	33
PID 2856 wrote to memory of 1712	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	33
PID 2856 wrote to memory of 1712	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	33
PID 2856 wrote to memory of 2248	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	35
PID 2856 wrote to memory of 2248	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	35
PID 2856 wrote to memory of 2248	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	35
PID 2856 wrote to memory of 2248	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	35
PID 2856 wrote to memory of 2676	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	37
PID 2856 wrote to memory of 2676	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	37
PID 2856 wrote to memory of 2676	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	37
PID 2856 wrote to memory of 2676	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	37
PID 2856 wrote to memory of 2824	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	39
PID 2856 wrote to memory of 2824	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	39
PID 2856 wrote to memory of 2824	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	39
PID 2856 wrote to memory of 2824	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	39
PID 2680 wrote to memory of 2860	2680	qmeebqpd.exe	42
PID 2680 wrote to memory of 2860	2680	qmeebqpd.exe	42
PID 2680 wrote to memory of 2860	2680	qmeebqpd.exe	42
PID 2680 wrote to memory of 2860	2680	qmeebqpd.exe	42
PID 2680 wrote to memory of 2860	2680	qmeebqpd.exe	42
PID 2680 wrote to memory of 2860	2680	qmeebqpd.exe	42
PID 2856 wrote to memory of 2568	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	43
PID 2856 wrote to memory of 2568	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	43
PID 2856 wrote to memory of 2568	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	43
PID 2856 wrote to memory of 2568	2856	2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ycpddiip\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qmeebqpd.exe" C:\Windows\SysWOW64\ycpddiip\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ycpddiip binPath= "C:\Windows\SysWOW64\ycpddiip\qmeebqpd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ycpddiip "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ycpddiip
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- 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:2568

C:\Windows\SysWOW64\ycpddiip\qmeebqpd.exe
C:\Windows\SysWOW64\ycpddiip\qmeebqpd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_5dd28166fc5dac61d79f2240608b7cd5_rhadamanthys_smoke-loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- 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:2860

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\qmeebqpd.exe

Filesize
14.9MB

MD5
0468ddd1010930ff7adc7b4dcd643aee

SHA1
5750a8fa95fc4c63bf1fb51a0641bc8cd8887d40

SHA256
37532dd47984962b315003c9a4f887c7ec2862f8574723bc59193174ab8cae3c

SHA512
d8e95a11ae3900cdbef9bc71949d56d79fff1d1ebfa2af252e03937e3f9ca70749e7a224fa43a88c9a2cf67d2af1e3e7b5265c7cb247be95a2c73f96ea76b941

Download Submit
memory/2680-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2856-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2856-3-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2856-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2856-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2856-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2860-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2860-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2860-8-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2860-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2860-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads