tofsee | f0d57552bf5ffe22df4adbb50471050c49ac94bef439c389d9ca5ed8edcd5412

Analysis

max time kernel
149s
max time network
134s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/02/2025, 03:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe
Size

14.8MB
MD5

9ad052f1dfdc04131a88efc6b3a20f46
SHA1

c35a04c10306d8272f58fe5552eb52e543793cda
SHA256

f0d57552bf5ffe22df4adbb50471050c49ac94bef439c389d9ca5ed8edcd5412
SHA512

b6252b89b53719b51dd9b6de5fadb969eb7b8af6a79461a7ed2907ac571d9be62e640f80f47ea54820af1d03f68bf8a35b3d3e979b445462cb00e7ce0779ef44
SSDEEP

24576:+pomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt0:SooS

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\mecqiqbj = "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
2960	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\mecqiqbj\ImagePath = "C:\\Windows\\SysWOW64\\mecqiqbj\\iijupqow.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2740	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	iijupqow.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2740	2764	iijupqow.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2944	sc.exe
2984	sc.exe
2848	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	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_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	iijupqow.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	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 2604 wrote to memory of 572	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	29
PID 2604 wrote to memory of 572	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	29
PID 2604 wrote to memory of 572	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	29
PID 2604 wrote to memory of 572	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	29
PID 2604 wrote to memory of 2836	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	31
PID 2604 wrote to memory of 2836	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	31
PID 2604 wrote to memory of 2836	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	31
PID 2604 wrote to memory of 2836	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	31
PID 2604 wrote to memory of 2944	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	33
PID 2604 wrote to memory of 2944	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	33
PID 2604 wrote to memory of 2944	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	33
PID 2604 wrote to memory of 2944	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	33
PID 2604 wrote to memory of 2984	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	35
PID 2604 wrote to memory of 2984	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	35
PID 2604 wrote to memory of 2984	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	35
PID 2604 wrote to memory of 2984	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	35
PID 2604 wrote to memory of 2848	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	37
PID 2604 wrote to memory of 2848	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	37
PID 2604 wrote to memory of 2848	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	37
PID 2604 wrote to memory of 2848	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	37
PID 2604 wrote to memory of 2960	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	39
PID 2604 wrote to memory of 2960	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	39
PID 2604 wrote to memory of 2960	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	39
PID 2604 wrote to memory of 2960	2604	2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe	39
PID 2764 wrote to memory of 2740	2764	iijupqow.exe	42
PID 2764 wrote to memory of 2740	2764	iijupqow.exe	42
PID 2764 wrote to memory of 2740	2764	iijupqow.exe	42
PID 2764 wrote to memory of 2740	2764	iijupqow.exe	42
PID 2764 wrote to memory of 2740	2764	iijupqow.exe	42
PID 2764 wrote to memory of 2740	2764	iijupqow.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mecqiqbj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iijupqow.exe" C:\Windows\SysWOW64\mecqiqbj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mecqiqbj binPath= "C:\Windows\SysWOW64\mecqiqbj\iijupqow.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mecqiqbj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mecqiqbj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- 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:2960

C:\Windows\SysWOW64\mecqiqbj\iijupqow.exe
C:\Windows\SysWOW64\mecqiqbj\iijupqow.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_9ad052f1dfdc04131a88efc6b3a20f46_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2740

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\iijupqow.exe

Filesize
10.4MB

MD5
ebe9ae4371185d9d2b98792781a19c31

SHA1
32cbf02e2b4174261cbd98adf09b89378b107d5b

SHA256
f5dda4dc0dff4b9a8881ee8b3089da57037ba302577f683ef123f51a1f6346bd

SHA512
6e93df50716b56d101172aaa3f7985d81c6124a02a6a1756d9e4f4b2233c4091dba8c6a120d7ff0f02ac1c7f7ac950fd8a9d9f33708b95664739c40d01c338d9

Download Submit
memory/2604-9-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2604-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2604-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2604-6-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2604-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2604-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2604-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2604-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2740-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2740-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2740-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2740-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2764-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads