tofsee | ddff17d8b9a979139a8fc51673bd6cdf13d41a6212412410a361170525144de3

Analysis

max time kernel
142s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 11:37

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General

Target

2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe
Size

11.6MB
MD5

f042f43e6fbf7b7fdc1d39b013541d43
SHA1

d73b396426e9a66f9a8528eee49462aedb97c8cf
SHA256

ddff17d8b9a979139a8fc51673bd6cdf13d41a6212412410a361170525144de3
SHA512

19c92a2015b1e63fe90840106453a12219e921a168c3a2d9338a15c9a24bc90eaeaef056c5274427ca788aa2475f837d4dde34f1fada02890e6d19b9b2038561
SSDEEP

24576:mEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZn:ffot

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\jxagggcd = "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
2808	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\jxagggcd\ImagePath = "C:\\Windows\\SysWOW64\\jxagggcd\\hmwrlxuw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2800	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	hmwrlxuw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 2800	2876	hmwrlxuw.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2916	sc.exe
2488	sc.exe
2964	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	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.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	hmwrlxuw.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2908	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	30
PID 2004 wrote to memory of 2908	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	30
PID 2004 wrote to memory of 2908	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	30
PID 2004 wrote to memory of 2908	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	30
PID 2004 wrote to memory of 3036	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	32
PID 2004 wrote to memory of 3036	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	32
PID 2004 wrote to memory of 3036	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	32
PID 2004 wrote to memory of 3036	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	32
PID 2004 wrote to memory of 2916	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	34
PID 2004 wrote to memory of 2916	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	34
PID 2004 wrote to memory of 2916	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	34
PID 2004 wrote to memory of 2916	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	34
PID 2004 wrote to memory of 2488	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	36
PID 2004 wrote to memory of 2488	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	36
PID 2004 wrote to memory of 2488	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	36
PID 2004 wrote to memory of 2488	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	36
PID 2004 wrote to memory of 2964	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	38
PID 2004 wrote to memory of 2964	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	38
PID 2004 wrote to memory of 2964	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	38
PID 2004 wrote to memory of 2964	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	38
PID 2004 wrote to memory of 2808	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	40
PID 2004 wrote to memory of 2808	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	40
PID 2004 wrote to memory of 2808	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	40
PID 2004 wrote to memory of 2808	2004	2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe	40
PID 2876 wrote to memory of 2800	2876	hmwrlxuw.exe	43
PID 2876 wrote to memory of 2800	2876	hmwrlxuw.exe	43
PID 2876 wrote to memory of 2800	2876	hmwrlxuw.exe	43
PID 2876 wrote to memory of 2800	2876	hmwrlxuw.exe	43
PID 2876 wrote to memory of 2800	2876	hmwrlxuw.exe	43
PID 2876 wrote to memory of 2800	2876	hmwrlxuw.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jxagggcd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hmwrlxuw.exe" C:\Windows\SysWOW64\jxagggcd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jxagggcd binPath= "C:\Windows\SysWOW64\jxagggcd\hmwrlxuw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jxagggcd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2488
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jxagggcd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2964
- 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:2808

C:\Windows\SysWOW64\jxagggcd\hmwrlxuw.exe
C:\Windows\SysWOW64\jxagggcd\hmwrlxuw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_f042f43e6fbf7b7fdc1d39b013541d43_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876
- 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:2800

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\hmwrlxuw.exe

Filesize
12.3MB

MD5
13eb8ad26f921f98c2d2f1d6c0588c43

SHA1
c6fe406d4c74d0e27bd52ef9c9d591ea03a5816a

SHA256
7a18a3fed6abab0d623ab6c4debd8bac5c33e470fb5aec2956c067a5516feb9f

SHA512
d8d49dae772ca1c22c0a9cc269f6fe8a4d5a9c50170a7115d712b090af5c9c1f29eb9f7754dae635dc1074874df9493ccfc40ea000818a40c7446a4c4d7989ac

Download Submit
memory/2004-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2004-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2004-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2004-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2004-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2800-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2800-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2800-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2800-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2876-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads