tofsee | 18a7e2c03f3ef42f3f49633f77567e9d52126bfb9d7364d3a64cecf242279583

Resubmissions

30/01/2025, 03:07

250130-dmjk9sxjbz 10

29/01/2025, 17:28

250129-v1zm3ssrgm 10

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
29/01/2025, 17:28

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General

Target

2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe
Size

10.8MB
MD5

566bbb19f3c7cc564d8bc4387efba05c
SHA1

7d5c801927244a0c64a164fe66f23c2c7566bee3
SHA256

18a7e2c03f3ef42f3f49633f77567e9d52126bfb9d7364d3a64cecf242279583
SHA512

eaac74c7a2fced2ef0237b12004949391d2b55f8922b184cdd07adc71a8e4366f368f2541c91103f0d5eb6ed3823b790c41e9ae3754c51469cbf1260d9ca8d64
SSDEEP

49152:lqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:lqtYc3

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\quksmhqo = "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
2912	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\quksmhqo\ImagePath = "C:\\Windows\\SysWOW64\\quksmhqo\\tbquhfoo.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2824	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2916	tbquhfoo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2824	2916	tbquhfoo.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2136	sc.exe
2200	sc.exe
2096	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tbquhfoo.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2372	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	30
PID 2416 wrote to memory of 2372	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	30
PID 2416 wrote to memory of 2372	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	30
PID 2416 wrote to memory of 2372	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	30
PID 2416 wrote to memory of 2156	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	32
PID 2416 wrote to memory of 2156	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	32
PID 2416 wrote to memory of 2156	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	32
PID 2416 wrote to memory of 2156	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	32
PID 2416 wrote to memory of 2136	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	34
PID 2416 wrote to memory of 2136	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	34
PID 2416 wrote to memory of 2136	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	34
PID 2416 wrote to memory of 2136	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	34
PID 2416 wrote to memory of 2200	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	36
PID 2416 wrote to memory of 2200	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	36
PID 2416 wrote to memory of 2200	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	36
PID 2416 wrote to memory of 2200	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	36
PID 2416 wrote to memory of 2096	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	38
PID 2416 wrote to memory of 2096	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	38
PID 2416 wrote to memory of 2096	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	38
PID 2416 wrote to memory of 2096	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	38
PID 2916 wrote to memory of 2824	2916	tbquhfoo.exe	42
PID 2916 wrote to memory of 2824	2916	tbquhfoo.exe	42
PID 2916 wrote to memory of 2824	2916	tbquhfoo.exe	42
PID 2916 wrote to memory of 2824	2916	tbquhfoo.exe	42
PID 2916 wrote to memory of 2824	2916	tbquhfoo.exe	42
PID 2916 wrote to memory of 2824	2916	tbquhfoo.exe	42
PID 2416 wrote to memory of 2912	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	41
PID 2416 wrote to memory of 2912	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	41
PID 2416 wrote to memory of 2912	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	41
PID 2416 wrote to memory of 2912	2416	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	41

C:\Users\Admin\AppData\Local\Temp\2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\quksmhqo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tbquhfoo.exe" C:\Windows\SysWOW64\quksmhqo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create quksmhqo binPath= "C:\Windows\SysWOW64\quksmhqo\tbquhfoo.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2136
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description quksmhqo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2200
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start quksmhqo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2096
- 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:2912

C:\Windows\SysWOW64\quksmhqo\tbquhfoo.exe
C:\Windows\SysWOW64\quksmhqo\tbquhfoo.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- 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:2824

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\tbquhfoo.exe

Filesize
13.8MB

MD5
d593f8375ff0df3c53bcb949b81980e5

SHA1
c89752b2cdad561687010104461b6215cbee870d

SHA256
1a8afb0a9fe1d212e9c88917ab4cb2ba7c486266dffaf413e896720ffdf7014d

SHA512
d9632aadd6ff42de02b801cb729976e31e5bd1f4b8e3f9af11cccb2fc23129d421c311bebade97eec2067f6d28a8e42646baf56ceb0dfe99f53fe9af36853051

Download Submit
memory/2416-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2416-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2416-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2416-12-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2416-14-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2416-1-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

Filesize
1024KB

Download
memory/2824-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2916-16-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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