tofsee | 036bf4e675789eddebe930cd43ba1d35ff11b070146d7924d227a8332bc5d2c5

General

Target

2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe
Size

14.0MB
MD5

53085a6f8df30225e3546188424dab11
SHA1

688763bc7f35c3a97fb879e5d3b3d496efc8faf7
SHA256

036bf4e675789eddebe930cd43ba1d35ff11b070146d7924d227a8332bc5d2c5
SHA512

ff7fd4b243b05a24016cb3861ad258e1d7c5d9c1a079f171f97b7d0034480d3bdb7b8c0404200e98824e60fe36d26bf54b6eb564df4caa18144aa4969fb217de
SSDEEP

6144:ZN7EUevPsS7JFxs3ba86/YsUvSaUo2lt/XUANtvcBNCxkNbnKWrLHtHtHtHtHtHl:ZpbevZK3baxY/SGtAN5cBNC0H

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
2532	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\huspulqf\ImagePath = "C:\\Windows\\SysWOW64\\huspulqf\\kkjpaovy.exe"	svchost.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe

Deletes itself 1 IoCs

pid	Process
4544	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1924	kkjpaovy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 4544	1924	kkjpaovy.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
568	sc.exe
444	sc.exe
4840	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	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	kkjpaovy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_53085a6f8df30225e3546188424dab11_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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 812	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	89
PID 4192 wrote to memory of 812	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	89
PID 4192 wrote to memory of 812	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	89
PID 4192 wrote to memory of 4240	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	91
PID 4192 wrote to memory of 4240	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	91
PID 4192 wrote to memory of 4240	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	91
PID 4192 wrote to memory of 568	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	93
PID 4192 wrote to memory of 568	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	93
PID 4192 wrote to memory of 568	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	93
PID 4192 wrote to memory of 444	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	95
PID 4192 wrote to memory of 444	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	95
PID 4192 wrote to memory of 444	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	95
PID 4192 wrote to memory of 4840	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	97
PID 4192 wrote to memory of 4840	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	97
PID 4192 wrote to memory of 4840	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	97
PID 4192 wrote to memory of 2532	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	100
PID 4192 wrote to memory of 2532	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	100
PID 4192 wrote to memory of 2532	4192	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	100
PID 1924 wrote to memory of 4544	1924	kkjpaovy.exe	104
PID 1924 wrote to memory of 4544	1924	kkjpaovy.exe	104
PID 1924 wrote to memory of 4544	1924	kkjpaovy.exe	104
PID 1924 wrote to memory of 4544	1924	kkjpaovy.exe	104
PID 1924 wrote to memory of 4544	1924	kkjpaovy.exe	104

C:\Users\Admin\AppData\Local\Temp\2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\huspulqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kkjpaovy.exe" C:\Windows\SysWOW64\huspulqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4240
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create huspulqf binPath= "C:\Windows\SysWOW64\huspulqf\kkjpaovy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description huspulqf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start huspulqf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4840
- 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:2532

C:\Windows\SysWOW64\huspulqf\kkjpaovy.exe
C:\Windows\SysWOW64\huspulqf\kkjpaovy.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Modify Registry

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\kkjpaovy.exe

Filesize
13.2MB

MD5
3d56362ee17d8e59493c8f4809d26d91

SHA1
395da35c2495dc1fe957d7e09fdb55fed37bc4bc

SHA256
890cf5846c181ae793e9145f225751bd7b444e395e5e6f3b780f66ca6b739d50

SHA512
6ebc4885fb9cdca761282a58f4e9cf6d5d977a39ecb7106f260ca11f29649365b15ba9fbf82adabcdbdff4ca1d2ee37e54809fe4612a68ca0e2eb7aa33f83553

Download Submit
memory/1924-14-0x0000000000400000-0x00000000062F0000-memory.dmp

Filesize
94.9MB

Download
memory/4192-1-0x0000000006510000-0x0000000006610000-memory.dmp

Filesize
1024KB

Download
memory/4192-2-0x00000000064B0000-0x00000000064C3000-memory.dmp

Filesize
76KB

Download
memory/4192-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4192-6-0x0000000000400000-0x00000000062F0000-memory.dmp

Filesize
94.9MB

Download
memory/4192-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4192-9-0x00000000064B0000-0x00000000064C3000-memory.dmp

Filesize
76KB

Download
memory/4192-8-0x0000000000400000-0x00000000062F0000-memory.dmp

Filesize
94.9MB

Download
memory/4544-12-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/4544-15-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download
memory/4544-16-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads