tofsee | 09a025d90221793f3ff8df11fc2e8e4dac890f387da84d383480084d9b45fffa

Analysis

max time kernel
145s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 22:02

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General

Target

2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe
Size

14.9MB
MD5

c57642a364876b5cc24977f6e411a924
SHA1

33534d6c0c3584921779375592bffd5f75c5f2ac
SHA256

09a025d90221793f3ff8df11fc2e8e4dac890f387da84d383480084d9b45fffa
SHA512

5b8b6f4b39896eb71f341dc901bd45de26683ec20d23b0e70253cd4635841834417d246f807fbda23edf855c3d7ded29c9437887e61f18c66c4853ff80e6173a
SSDEEP

3072:sLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/f:JOMdRQr7OB0ypmMXnl8XEPM3noSWOC8

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\lbrxhfjh = "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
2420	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\lbrxhfjh\ImagePath = "C:\\Windows\\SysWOW64\\lbrxhfjh\\oqjubjxn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2648	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	oqjubjxn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2648	2816	oqjubjxn.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2880	sc.exe
1848	sc.exe
2688	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_c57642a364876b5cc24977f6e411a924_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	oqjubjxn.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 2608 wrote to memory of 2908	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	30
PID 2608 wrote to memory of 2908	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	30
PID 2608 wrote to memory of 2908	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	30
PID 2608 wrote to memory of 2908	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	30
PID 2608 wrote to memory of 1028	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	32
PID 2608 wrote to memory of 1028	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	32
PID 2608 wrote to memory of 1028	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	32
PID 2608 wrote to memory of 1028	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	32
PID 2608 wrote to memory of 1848	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	34
PID 2608 wrote to memory of 1848	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	34
PID 2608 wrote to memory of 1848	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	34
PID 2608 wrote to memory of 1848	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	34
PID 2608 wrote to memory of 2688	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	36
PID 2608 wrote to memory of 2688	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	36
PID 2608 wrote to memory of 2688	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	36
PID 2608 wrote to memory of 2688	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	36
PID 2608 wrote to memory of 2880	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	38
PID 2608 wrote to memory of 2880	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	38
PID 2608 wrote to memory of 2880	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	38
PID 2608 wrote to memory of 2880	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	38
PID 2816 wrote to memory of 2648	2816	oqjubjxn.exe	41
PID 2816 wrote to memory of 2648	2816	oqjubjxn.exe	41
PID 2816 wrote to memory of 2648	2816	oqjubjxn.exe	41
PID 2816 wrote to memory of 2648	2816	oqjubjxn.exe	41
PID 2816 wrote to memory of 2648	2816	oqjubjxn.exe	41
PID 2816 wrote to memory of 2648	2816	oqjubjxn.exe	41
PID 2608 wrote to memory of 2420	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	42
PID 2608 wrote to memory of 2420	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	42
PID 2608 wrote to memory of 2420	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	42
PID 2608 wrote to memory of 2420	2608	2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lbrxhfjh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oqjubjxn.exe" C:\Windows\SysWOW64\lbrxhfjh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lbrxhfjh binPath= "C:\Windows\SysWOW64\lbrxhfjh\oqjubjxn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lbrxhfjh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lbrxhfjh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- 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:2420

C:\Windows\SysWOW64\lbrxhfjh\oqjubjxn.exe
C:\Windows\SysWOW64\lbrxhfjh\oqjubjxn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_c57642a364876b5cc24977f6e411a924_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2648

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\oqjubjxn.exe

Filesize
13.9MB

MD5
d762f63f0a7bac967d9236dbafaeaf64

SHA1
aad4df5792ed2aef3dad51af46bf0434687aedc1

SHA256
9019edf3dcef0c2f6b5a66f925710a94bf6533c2249966271bc3f4a750c7249d

SHA512
fca82ab0810a4380310f8f6ed4f1afdb1b4798215783a0895a732abcc52543d1ee1ba3f8b348a187fa33f3684c15809f56af557fa443295be972431f67477dbb

Download Submit
memory/2608-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2608-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2608-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2608-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2608-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2608-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2648-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads