tofsee | af7459c0ee91c6b97f86e2157c3161d114fee74be37e562f4ecdacd1a53cb275

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 19:55

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General

Target

2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe
Size

13.7MB
MD5

4b0e330b5c6583fedcc935a0186d4f5f
SHA1

62d45c7e61a636c6ceee3a3538179ca19d519400
SHA256

af7459c0ee91c6b97f86e2157c3161d114fee74be37e562f4ecdacd1a53cb275
SHA512

8520a316fad2d39b720c4e274900d688e694e4c4d506747c5cc32bf2666464fb68bc5663d7c7dcbc538145163bdb78600884e327ed2d7b54d8b0d68d80c90ce3
SSDEEP

24576:IpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttP:koo

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\gptpwzfc = "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
2252	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\gptpwzfc\ImagePath = "C:\\Windows\\SysWOW64\\gptpwzfc\\dcqsgdew.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2744	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	dcqsgdew.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 2744	2812	dcqsgdew.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2752	sc.exe
2716	sc.exe
2840	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	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	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.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	dcqsgdew.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2408	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	30
PID 1700 wrote to memory of 2408	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	30
PID 1700 wrote to memory of 2408	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	30
PID 1700 wrote to memory of 2408	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	30
PID 1700 wrote to memory of 1740	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	32
PID 1700 wrote to memory of 1740	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	32
PID 1700 wrote to memory of 1740	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	32
PID 1700 wrote to memory of 1740	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	32
PID 1700 wrote to memory of 2752	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	34
PID 1700 wrote to memory of 2752	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	34
PID 1700 wrote to memory of 2752	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	34
PID 1700 wrote to memory of 2752	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	34
PID 1700 wrote to memory of 2716	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	36
PID 1700 wrote to memory of 2716	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	36
PID 1700 wrote to memory of 2716	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	36
PID 1700 wrote to memory of 2716	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	36
PID 1700 wrote to memory of 2840	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	38
PID 1700 wrote to memory of 2840	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	38
PID 1700 wrote to memory of 2840	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	38
PID 1700 wrote to memory of 2840	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	38
PID 2812 wrote to memory of 2744	2812	dcqsgdew.exe	41
PID 2812 wrote to memory of 2744	2812	dcqsgdew.exe	41
PID 2812 wrote to memory of 2744	2812	dcqsgdew.exe	41
PID 2812 wrote to memory of 2744	2812	dcqsgdew.exe	41
PID 2812 wrote to memory of 2744	2812	dcqsgdew.exe	41
PID 2812 wrote to memory of 2744	2812	dcqsgdew.exe	41
PID 1700 wrote to memory of 2252	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	42
PID 1700 wrote to memory of 2252	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	42
PID 1700 wrote to memory of 2252	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	42
PID 1700 wrote to memory of 2252	1700	2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gptpwzfc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dcqsgdew.exe" C:\Windows\SysWOW64\gptpwzfc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gptpwzfc binPath= "C:\Windows\SysWOW64\gptpwzfc\dcqsgdew.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gptpwzfc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gptpwzfc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- 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:2252

C:\Windows\SysWOW64\gptpwzfc\dcqsgdew.exe
C:\Windows\SysWOW64\gptpwzfc\dcqsgdew.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_4b0e330b5c6583fedcc935a0186d4f5f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- 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:2744

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\dcqsgdew.exe

Filesize
11.9MB

MD5
ddc97be4f0a9348a8665f9938ea0365a

SHA1
4554cfc131d3f8485f81a08a3237fbc11fa8f9a9

SHA256
999cb7e3135e864c0b8de04b60bb78ff8d945971ea3e2f303967fe8a826ab1ad

SHA512
25c88874c510754ea1890c5403a2ce63ad710f30af013ffa935b3deda98a45160e972966339e990619dbd955fcd597375586ded6164791c82276d003aa4bf2f3

Download Submit
memory/1700-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1700-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1700-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1700-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1700-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1700-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2744-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2812-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads