tofsee | db4582f33b218c1bfd904c331e03acd29217b75397b608c2e45352dfa9111613

Analysis

max time kernel
145s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 20:02

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General

Target

2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe
Size

10.9MB
MD5

5c21d1621ae8aed4b888874b6440a2b6
SHA1

6aee183901b7c8e9fcdfd96111d8e738d90d8caa
SHA256

db4582f33b218c1bfd904c331e03acd29217b75397b608c2e45352dfa9111613
SHA512

ca39fef8c7376f085ccf808fdb4b20d0e171ac7e62cc1e2150804114cdc5c6abeab0926a43c98142d993a59aaf26ae6dde40873aba17a7a72bb76152e8733a9c
SSDEEP

24576:TpomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt7:Voop

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\gzytcqit = "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
2800	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\gzytcqit\ImagePath = "C:\\Windows\\SysWOW64\\gzytcqit\\hjcnucqg.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2884	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2184	hjcnucqg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2184 set thread context of 2884	2184	hjcnucqg.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2332	sc.exe
2092	sc.exe
2572	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	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hjcnucqg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2016	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	30
PID 1684 wrote to memory of 2016	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	30
PID 1684 wrote to memory of 2016	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	30
PID 1684 wrote to memory of 2016	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	30
PID 1684 wrote to memory of 1036	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	32
PID 1684 wrote to memory of 1036	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	32
PID 1684 wrote to memory of 1036	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	32
PID 1684 wrote to memory of 1036	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	32
PID 1684 wrote to memory of 2572	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	34
PID 1684 wrote to memory of 2572	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	34
PID 1684 wrote to memory of 2572	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	34
PID 1684 wrote to memory of 2572	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	34
PID 1684 wrote to memory of 2332	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	36
PID 1684 wrote to memory of 2332	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	36
PID 1684 wrote to memory of 2332	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	36
PID 1684 wrote to memory of 2332	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	36
PID 1684 wrote to memory of 2092	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	38
PID 1684 wrote to memory of 2092	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	38
PID 1684 wrote to memory of 2092	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	38
PID 1684 wrote to memory of 2092	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	38
PID 2184 wrote to memory of 2884	2184	hjcnucqg.exe	41
PID 2184 wrote to memory of 2884	2184	hjcnucqg.exe	41
PID 2184 wrote to memory of 2884	2184	hjcnucqg.exe	41
PID 2184 wrote to memory of 2884	2184	hjcnucqg.exe	41
PID 2184 wrote to memory of 2884	2184	hjcnucqg.exe	41
PID 2184 wrote to memory of 2884	2184	hjcnucqg.exe	41
PID 1684 wrote to memory of 2800	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	42
PID 1684 wrote to memory of 2800	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	42
PID 1684 wrote to memory of 2800	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	42
PID 1684 wrote to memory of 2800	1684	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gzytcqit\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hjcnucqg.exe" C:\Windows\SysWOW64\gzytcqit\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gzytcqit binPath= "C:\Windows\SysWOW64\gzytcqit\hjcnucqg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gzytcqit "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gzytcqit
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2092
- 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:2800

C:\Windows\SysWOW64\gzytcqit\hjcnucqg.exe
C:\Windows\SysWOW64\gzytcqit\hjcnucqg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- 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:2884

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\hjcnucqg.exe

Filesize
11.5MB

MD5
452a0f44d6263f479d520bcf8de1410e

SHA1
cb3a24fb95be298eac156759c6ac1c86a23161a0

SHA256
dfa62093693d4b76f9b59bfa4216e7829945a9a0586239929a99a3acd94dfbcf

SHA512
8bbc3774d758f8e80a3ea1346ccf6362a08fa4a465545accd09ec77a67906140a664f3be86b2d8d1c51015a9d89968a49497edd5908ec45e8423af021e3dd012

Download Submit
memory/1684-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1684-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1684-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/1684-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1684-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1684-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2184-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2884-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads