tofsee | 0070e257bc8f51111460d5951238555fb00b9a7416a69204a2d74db64fa72ce0

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 08:43

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General

Target

2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe
Size

14.7MB
MD5

6d60b96b09a8a32c43e61f0d55597a46
SHA1

77bb5533c32405e356e8651302ea9c8f29d3076d
SHA256

0070e257bc8f51111460d5951238555fb00b9a7416a69204a2d74db64fa72ce0
SHA512

3fdae3f4df849242364fd36c5df6ef196114c532c215b2d4735a81baf560ba7e1c503545f78844b5ad56c132afd6168cbb1c9bcc6118254c0892d762684cc910
SSDEEP

3072:ULBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/k:ROMdRQr7OB0ypmMXnl8XEPM3noSWOCZ

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\gmtfslmy = "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
2776	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\gmtfslmy\ImagePath = "C:\\Windows\\SysWOW64\\gmtfslmy\\ywfgplaw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2880	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	ywfgplaw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2880	2780	ywfgplaw.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
3068	sc.exe
2480	sc.exe
2416	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ywfgplaw.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	sc.exe
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	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 2064	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	30
PID 1028 wrote to memory of 2064	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	30
PID 1028 wrote to memory of 2064	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	30
PID 1028 wrote to memory of 2064	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	30
PID 1028 wrote to memory of 2028	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	32
PID 1028 wrote to memory of 2028	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	32
PID 1028 wrote to memory of 2028	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	32
PID 1028 wrote to memory of 2028	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	32
PID 1028 wrote to memory of 3068	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	34
PID 1028 wrote to memory of 3068	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	34
PID 1028 wrote to memory of 3068	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	34
PID 1028 wrote to memory of 3068	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	34
PID 1028 wrote to memory of 2480	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	36
PID 1028 wrote to memory of 2480	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	36
PID 1028 wrote to memory of 2480	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	36
PID 1028 wrote to memory of 2480	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	36
PID 1028 wrote to memory of 2416	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	38
PID 1028 wrote to memory of 2416	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	38
PID 1028 wrote to memory of 2416	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	38
PID 1028 wrote to memory of 2416	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	38
PID 2780 wrote to memory of 2880	2780	ywfgplaw.exe	41
PID 2780 wrote to memory of 2880	2780	ywfgplaw.exe	41
PID 2780 wrote to memory of 2880	2780	ywfgplaw.exe	41
PID 2780 wrote to memory of 2880	2780	ywfgplaw.exe	41
PID 2780 wrote to memory of 2880	2780	ywfgplaw.exe	41
PID 2780 wrote to memory of 2880	2780	ywfgplaw.exe	41
PID 1028 wrote to memory of 2776	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	42
PID 1028 wrote to memory of 2776	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	42
PID 1028 wrote to memory of 2776	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	42
PID 1028 wrote to memory of 2776	1028	2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gmtfslmy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ywfgplaw.exe" C:\Windows\SysWOW64\gmtfslmy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gmtfslmy binPath= "C:\Windows\SysWOW64\gmtfslmy\ywfgplaw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gmtfslmy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2480
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gmtfslmy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2416
- 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:2776

C:\Windows\SysWOW64\gmtfslmy\ywfgplaw.exe
C:\Windows\SysWOW64\gmtfslmy\ywfgplaw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-04_6d60b96b09a8a32c43e61f0d55597a46_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- 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:2880

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\ywfgplaw.exe

Filesize
11.2MB

MD5
344ce158c16a6e54948199aaf0653bdd

SHA1
24c5a6bc8f9945b2c131498607d7a699049039e2

SHA256
4536a8ca2170d25d27b6d0e1b7f95fc193e580776b4c1914590910f12d99b5a7

SHA512
5a639c2b83ad0f2ba90aecb7b38f7e9a8713c5784af4777077adb977df0617ce06ba35490c28c1fa58006d124e707ec85e12bd19106167b12a318776636d5cea

Download Submit
memory/1028-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1028-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1028-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1028-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1028-1-0x0000000000510000-0x0000000000610000-memory.dmp

Filesize
1024KB

Download
memory/1028-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2780-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2880-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2880-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2880-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2880-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads