tofsee | 67167d788f5243da7e44ebfd327ea53e9ce6df446c0cf87d2436fbfea64196bd

Analysis

max time kernel
146s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 19:50

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General

Target

2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe
Size

12.4MB
MD5

21981ec84a389fba811b1444fc514d74
SHA1

d7642bbb25ff9a612b318289845a1c959541a2b4
SHA256

67167d788f5243da7e44ebfd327ea53e9ce6df446c0cf87d2436fbfea64196bd
SHA512

84d5249d655dda69d87fa35e724cbde17e29a8b05109b5ff82e3b0638ef2087cc83cd9d236315642791a09f6021ae85b58c7979a77a4ef5a18861dd23dac89c0
SSDEEP

24576:bpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttt:too

Score

10^/10

tofsee discovery evasion 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

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\igjhdgqw = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2796	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\igjhdgqw\ImagePath = "C:\\Windows\\SysWOW64\\igjhdgqw\\iewwtihv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2756	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	iewwtihv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2756	2824	iewwtihv.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2744	sc.exe
2788	sc.exe
988	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iewwtihv.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2540	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	30
PID 2372 wrote to memory of 2540	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	30
PID 2372 wrote to memory of 2540	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	30
PID 2372 wrote to memory of 2540	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	30
PID 2372 wrote to memory of 1444	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	32
PID 2372 wrote to memory of 1444	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	32
PID 2372 wrote to memory of 1444	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	32
PID 2372 wrote to memory of 1444	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	32
PID 2372 wrote to memory of 2788	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	34
PID 2372 wrote to memory of 2788	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	34
PID 2372 wrote to memory of 2788	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	34
PID 2372 wrote to memory of 2788	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	34
PID 2372 wrote to memory of 988	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	36
PID 2372 wrote to memory of 988	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	36
PID 2372 wrote to memory of 988	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	36
PID 2372 wrote to memory of 988	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	36
PID 2372 wrote to memory of 2744	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	38
PID 2372 wrote to memory of 2744	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	38
PID 2372 wrote to memory of 2744	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	38
PID 2372 wrote to memory of 2744	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	38
PID 2824 wrote to memory of 2756	2824	iewwtihv.exe	41
PID 2824 wrote to memory of 2756	2824	iewwtihv.exe	41
PID 2824 wrote to memory of 2756	2824	iewwtihv.exe	41
PID 2824 wrote to memory of 2756	2824	iewwtihv.exe	41
PID 2824 wrote to memory of 2756	2824	iewwtihv.exe	41
PID 2824 wrote to memory of 2756	2824	iewwtihv.exe	41
PID 2372 wrote to memory of 2796	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	42
PID 2372 wrote to memory of 2796	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	42
PID 2372 wrote to memory of 2796	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	42
PID 2372 wrote to memory of 2796	2372	2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\igjhdgqw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iewwtihv.exe" C:\Windows\SysWOW64\igjhdgqw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create igjhdgqw binPath= "C:\Windows\SysWOW64\igjhdgqw\iewwtihv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description igjhdgqw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start igjhdgqw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- 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:2796

C:\Windows\SysWOW64\igjhdgqw\iewwtihv.exe
C:\Windows\SysWOW64\igjhdgqw\iewwtihv.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-19_21981ec84a389fba811b1444fc514d74_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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:2756

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\iewwtihv.exe

Filesize
12.6MB

MD5
ae44886a1f039103260967652b88735d

SHA1
f61963c1fe4e400d110289f2b9d2eacc9758a733

SHA256
447093ac118e1a8af96b81f6e5d046aa8cc8412814138b15de332e8045595e4d

SHA512
6e03e3ca43aecd09bf3ad2e96651f486e920f18f6e5f52984ab0780253e8739dfd20b6916a56c7f5cdc885f92262075c3e19e8d474ef1bda4cb0353b569eda71

Download Submit
memory/2372-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2372-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2372-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2372-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2372-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2372-16-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2372-15-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2756-8-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2756-11-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2756-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-18-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2756-19-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2824-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads