tofsee | cc9470d2336b15fbb0c692b90d9bc19c26140f98c2422969ac1d223d262f5ee2

Analysis

max time kernel
144s
max time network
137s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/02/2025, 00:29

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General

Target

2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe
Size

13.6MB
MD5

531e61003ca651617f61f707d2487d70
SHA1

534933e36aa862215c190989e161fca87b27c53c
SHA256

cc9470d2336b15fbb0c692b90d9bc19c26140f98c2422969ac1d223d262f5ee2
SHA512

4afd9ff2de2688cf81b6678b4b9c4c0b3ae8d94ff37a04420f45f951bf848fb9f66a2e21b04d0d888e82aac8f207b2544bd2a88d4c7481b3a11c4402dddf7108
SSDEEP

24576:hpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttn:7oo

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\wzopdkfo = "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
2736	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\wzopdkfo\ImagePath = "C:\\Windows\\SysWOW64\\wzopdkfo\\qpdftqrj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2212	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	qpdftqrj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2212	2704	qpdftqrj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3032	sc.exe
1492	sc.exe
2716	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	cmd.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	2025-02-08_531e61003ca651617f61f707d2487d70_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qpdftqrj.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2940	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	30
PID 2804 wrote to memory of 2940	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	30
PID 2804 wrote to memory of 2940	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	30
PID 2804 wrote to memory of 2940	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	30
PID 2804 wrote to memory of 1868	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	32
PID 2804 wrote to memory of 1868	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	32
PID 2804 wrote to memory of 1868	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	32
PID 2804 wrote to memory of 1868	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	32
PID 2804 wrote to memory of 3032	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	34
PID 2804 wrote to memory of 3032	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	34
PID 2804 wrote to memory of 3032	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	34
PID 2804 wrote to memory of 3032	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	34
PID 2804 wrote to memory of 1492	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	36
PID 2804 wrote to memory of 1492	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	36
PID 2804 wrote to memory of 1492	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	36
PID 2804 wrote to memory of 1492	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	36
PID 2804 wrote to memory of 2716	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	38
PID 2804 wrote to memory of 2716	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	38
PID 2804 wrote to memory of 2716	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	38
PID 2804 wrote to memory of 2716	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	38
PID 2804 wrote to memory of 2736	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	40
PID 2804 wrote to memory of 2736	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	40
PID 2804 wrote to memory of 2736	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	40
PID 2804 wrote to memory of 2736	2804	2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe	40
PID 2704 wrote to memory of 2212	2704	qpdftqrj.exe	43
PID 2704 wrote to memory of 2212	2704	qpdftqrj.exe	43
PID 2704 wrote to memory of 2212	2704	qpdftqrj.exe	43
PID 2704 wrote to memory of 2212	2704	qpdftqrj.exe	43
PID 2704 wrote to memory of 2212	2704	qpdftqrj.exe	43
PID 2704 wrote to memory of 2212	2704	qpdftqrj.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wzopdkfo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qpdftqrj.exe" C:\Windows\SysWOW64\wzopdkfo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1868
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wzopdkfo binPath= "C:\Windows\SysWOW64\wzopdkfo\qpdftqrj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3032
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wzopdkfo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wzopdkfo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- 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:2736

C:\Windows\SysWOW64\wzopdkfo\qpdftqrj.exe
C:\Windows\SysWOW64\wzopdkfo\qpdftqrj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_531e61003ca651617f61f707d2487d70_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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:2212

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\qpdftqrj.exe

Filesize
13.2MB

MD5
f5305f320218acc152f5179cda1c811d

SHA1
27ad86780f787a34490f986401937cdf5cd31123

SHA256
39db92b3e02cd3334607908a068c1c176e6c3d4e306902bc845aaa4cf2887f22

SHA512
07f5ee2d96c43127b49628d9b2a1ff914c303e225b874fa3620fa6793f95e3694aaf4b91c16950c3f5218504ee4af1f593bb53142230ee54b48e65496fd4225d

Download Submit
memory/2212-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2212-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2212-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2212-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2212-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2804-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2804-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2804-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2804-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2804-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2804-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads