tofsee | 9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56

General

Target

JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe
Size

327KB
MD5

b35f2909e897463c416785bdcde42493
SHA1

bac8e6f9c56d963e7409640b91761090079f2fa3
SHA256

9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56
SHA512

6a0e7b2948e5f97228806392fc7a2456ae7df14494823e2570b4fd4fe90cae137610031a31b51acfac6de8d889c5a114548f447c0aa88b17c1e019e29acbc033
SSDEEP

6144:q5CPb057QUO6Tnp5+5aMIerb1us61S8T8Cvo:D0RQUOqnp5Uaferbs1tTl

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.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
2284	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\inlifuzd\ImagePath = "C:\\Windows\\SysWOW64\\inlifuzd\\uqffkrxo.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe

Deletes itself 1 IoCs

pid	Process
3620	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3336	uqffkrxo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3336 set thread context of 3620	3336	uqffkrxo.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
4272	sc.exe
1916	sc.exe
3600	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5092	4792	WerFault.exe	82
3188	3336	WerFault.exe	94

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uqffkrxo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 536	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	83
PID 4792 wrote to memory of 536	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	83
PID 4792 wrote to memory of 536	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	83
PID 4792 wrote to memory of 4444	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	85
PID 4792 wrote to memory of 4444	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	85
PID 4792 wrote to memory of 4444	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	85
PID 4792 wrote to memory of 4272	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	88
PID 4792 wrote to memory of 4272	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	88
PID 4792 wrote to memory of 4272	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	88
PID 4792 wrote to memory of 1916	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	90
PID 4792 wrote to memory of 1916	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	90
PID 4792 wrote to memory of 1916	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	90
PID 4792 wrote to memory of 3600	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	92
PID 4792 wrote to memory of 3600	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	92
PID 4792 wrote to memory of 3600	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	92
PID 4792 wrote to memory of 2284	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	95
PID 4792 wrote to memory of 2284	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	95
PID 4792 wrote to memory of 2284	4792	JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe	95
PID 3336 wrote to memory of 3620	3336	uqffkrxo.exe	101
PID 3336 wrote to memory of 3620	3336	uqffkrxo.exe	101
PID 3336 wrote to memory of 3620	3336	uqffkrxo.exe	101
PID 3336 wrote to memory of 3620	3336	uqffkrxo.exe	101
PID 3336 wrote to memory of 3620	3336	uqffkrxo.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\inlifuzd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uqffkrxo.exe" C:\Windows\SysWOW64\inlifuzd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create inlifuzd binPath= "C:\Windows\SysWOW64\inlifuzd\uqffkrxo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4272
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description inlifuzd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start inlifuzd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3600
- 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:2284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 792
  2⤵
  - Program crash
  PID:5092

C:\Windows\SysWOW64\inlifuzd\uqffkrxo.exe
C:\Windows\SysWOW64\inlifuzd\uqffkrxo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bc9e8366b832675f4dfbbd0282309b9a5574ff3077f09a0c7c7833323c3da56.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3336
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 516
  2⤵
  - Program crash
  PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4792 -ip 4792
1⤵
PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3336 -ip 3336
1⤵
PID:3588

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
11.4MB

MD5
3914de6ad39b41097ffed0723bcd22f7

SHA1
8d49ad04269b81f1716ef80fd5d1da84ea51103d

SHA256
1a687e1addc4172d33f3cbd87d723473c4a9b23d7d788acd523c32c1388f9233

SHA512
c5b7888294b88045089ae30da66abf56b38302c33193dcaf5ef56fb8b9b8c269896ae070ae3e8621636a3e309e58eac72ee5339745bc2ca73dadce68c740e8fd

Download Submit
memory/3336-15-0x0000000000400000-0x00000000023A9000-memory.dmp

Filesize
31.7MB

Download
memory/3620-11-0x00000000006A0000-0x00000000006B5000-memory.dmp

Filesize
84KB

Download
memory/3620-13-0x00000000006A0000-0x00000000006B5000-memory.dmp

Filesize
84KB

Download
memory/3620-14-0x00000000006A0000-0x00000000006B5000-memory.dmp

Filesize
84KB

Download
memory/4792-1-0x00000000025D0000-0x00000000026D0000-memory.dmp

Filesize
1024KB

Download
memory/4792-2-0x0000000002510000-0x0000000002523000-memory.dmp

Filesize
76KB

Download
memory/4792-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4792-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4792-8-0x0000000002510000-0x0000000002523000-memory.dmp

Filesize
76KB

Download
memory/4792-7-0x0000000000400000-0x00000000023A9000-memory.dmp

Filesize
31.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads