tofsee | 3741ce9fe249af187edf138e87543844f539fcb9b539d81e97832b44fb7dfe29

General

Target

2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe
Size

13.3MB
MD5

6a78c96bfc6f9c9957e4fc753858e158
SHA1

9f1c1ed1e963110addd477cf2c70e633fb889c3e
SHA256

3741ce9fe249af187edf138e87543844f539fcb9b539d81e97832b44fb7dfe29
SHA512

e195b4e519b87817cc4444dc171414e7d93133c05d1a610235ee4047a18f22620b6b7b88bb4589811054b6c1fab8cf63ffb923dc9500cc1cdb86c44106f5434d
SSDEEP

6144:lXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:lXzuKJ8GD96ySzTcANnQMMMMMMMb

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
5060	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
4064	azplsot.exe

Launches sc.exe 3 IoCs

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

pid	Process
1724	sc.exe
3700	sc.exe
5096	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2608	4060	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 7 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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 4692	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	99
PID 4060 wrote to memory of 4692	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	99
PID 4060 wrote to memory of 4692	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	99
PID 4060 wrote to memory of 1232	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	101
PID 4060 wrote to memory of 1232	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	101
PID 4060 wrote to memory of 1232	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	101
PID 4060 wrote to memory of 1724	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	103
PID 4060 wrote to memory of 1724	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	103
PID 4060 wrote to memory of 1724	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	103
PID 4060 wrote to memory of 3700	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	105
PID 4060 wrote to memory of 3700	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	105
PID 4060 wrote to memory of 3700	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	105
PID 4060 wrote to memory of 5096	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	107
PID 4060 wrote to memory of 5096	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	107
PID 4060 wrote to memory of 5096	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	107
PID 4060 wrote to memory of 5060	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	110
PID 4060 wrote to memory of 5060	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	110
PID 4060 wrote to memory of 5060	4060	2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe	110

C:\Users\Admin\AppData\Local\Temp\2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\naveydzh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4692
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\azplsot.exe" C:\Windows\SysWOW64\naveydzh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1232
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create naveydzh binPath= "C:\Windows\SysWOW64\naveydzh\azplsot.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description naveydzh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start naveydzh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5096
- 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:5060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 1028
  2⤵
  - Program crash
  PID:2608

C:\Windows\SysWOW64\naveydzh\azplsot.exe
C:\Windows\SysWOW64\naveydzh\azplsot.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-02_6a78c96bfc6f9c9957e4fc753858e158_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4060 -ip 4060
1⤵
PID:4492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.1MB

MD5
40ceeaf26d53e589410e07a551005b63

SHA1
433f1c3cdf11a20631190cdb365782642c58d94a

SHA256
efb6d64dab9487fb6ce707c13ec02d7d631d45f1407e0053e8115c43d7530063

SHA512
59ff12dfef22da9433bf19e29adf97b8e53ddf739fb2c45c24d28ede508cb2a3f2d3f5c7e2b95a87953b639a6b8af78bfa803dbcda1f589bf930d378c939123c

Download Submit
memory/4060-1-0x00000000007B0000-0x00000000008B0000-memory.dmp

Filesize
1024KB

Download
memory/4060-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4060-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4060-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4060-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4060-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads