tofsee | 0f17baf51ebbbf3f788e8c409a8f02c0cafe0284228452465aa2b0ba8667e617

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/02/2025, 21:01

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General

Target

2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe
Size

14.9MB
MD5

28cae9a9cb20f84f30a95ad6bfdf9dab
SHA1

9e76569721170f7351f13c1e3e5207d18e858f30
SHA256

0f17baf51ebbbf3f788e8c409a8f02c0cafe0284228452465aa2b0ba8667e617
SHA512

7ec421f95b2e962c852086573f60d2beac6cbcbbdad5dc4d7237c0414cbd21ec25bee1dcdc6f9171fceb0180068857b6d079f26f659994ca6f3ddef8a88b52b3
SSDEEP

393216:cXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

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\nnqgaagi = "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
2872	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\nnqgaagi\ImagePath = "C:\\Windows\\SysWOW64\\nnqgaagi\\gtfcvinx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2728	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2864	gtfcvinx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 2728	2864	gtfcvinx.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2908	sc.exe
2744	sc.exe
2832	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gtfcvinx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 1528	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	30
PID 1288 wrote to memory of 1528	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	30
PID 1288 wrote to memory of 1528	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	30
PID 1288 wrote to memory of 1528	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	30
PID 1288 wrote to memory of 3036	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	32
PID 1288 wrote to memory of 3036	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	32
PID 1288 wrote to memory of 3036	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	32
PID 1288 wrote to memory of 3036	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	32
PID 1288 wrote to memory of 2908	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	34
PID 1288 wrote to memory of 2908	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	34
PID 1288 wrote to memory of 2908	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	34
PID 1288 wrote to memory of 2908	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	34
PID 1288 wrote to memory of 2744	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	36
PID 1288 wrote to memory of 2744	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	36
PID 1288 wrote to memory of 2744	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	36
PID 1288 wrote to memory of 2744	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	36
PID 1288 wrote to memory of 2832	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	38
PID 1288 wrote to memory of 2832	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	38
PID 1288 wrote to memory of 2832	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	38
PID 1288 wrote to memory of 2832	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	38
PID 2864 wrote to memory of 2728	2864	gtfcvinx.exe	41
PID 2864 wrote to memory of 2728	2864	gtfcvinx.exe	41
PID 2864 wrote to memory of 2728	2864	gtfcvinx.exe	41
PID 2864 wrote to memory of 2728	2864	gtfcvinx.exe	41
PID 2864 wrote to memory of 2728	2864	gtfcvinx.exe	41
PID 2864 wrote to memory of 2728	2864	gtfcvinx.exe	41
PID 1288 wrote to memory of 2872	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	42
PID 1288 wrote to memory of 2872	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	42
PID 1288 wrote to memory of 2872	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	42
PID 1288 wrote to memory of 2872	1288	2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nnqgaagi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gtfcvinx.exe" C:\Windows\SysWOW64\nnqgaagi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nnqgaagi binPath= "C:\Windows\SysWOW64\nnqgaagi\gtfcvinx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nnqgaagi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nnqgaagi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- 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:2872

C:\Windows\SysWOW64\nnqgaagi\gtfcvinx.exe
C:\Windows\SysWOW64\nnqgaagi\gtfcvinx.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_28cae9a9cb20f84f30a95ad6bfdf9dab_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2864
- 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:2728

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\gtfcvinx.exe

Filesize
14.2MB

MD5
ddb0a06a8fbf3b1b336096aec6daf910

SHA1
19f831e51bbdc031db4856532654c5ec6e3c5d58

SHA256
0f50ebf272fad20c086c685ad09e2069f418db2e6829405276d3ec293dec47cb

SHA512
c74221db8f59810a09ecd8b6ca4e8c20f9953c07100fc599e38fc21d3b20440e7095517db238f8904254f1ce61098d4b178638828ee241de053ddd1d7a71df2c

Download Submit
memory/1288-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1288-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1288-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/1288-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1288-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1288-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2728-11-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2728-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-8-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2728-17-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2728-18-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2864-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads