tofsee | 085d29a31f197ad5184cf4c082ea6e061ccfc1a74a700c0f989054619a123756

General

Target

406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe
Size

12.7MB
MD5

406385b053aa722774e90ba0d8ffcf8e
SHA1

c4761c81a298b9003f9eca48e4918078218560f5
SHA256

085d29a31f197ad5184cf4c082ea6e061ccfc1a74a700c0f989054619a123756
SHA512

133a3ae858f022d512fe01070d88ac5862597dc036ed737bd9d2c5421256830d9319942057e62da7d75af3b887fa71045e4fc659a3c5bbecd86beb7f91f6db2d
SSDEEP

49152:lT81MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMME:lT8

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\qpfyekwp = "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

Processes:

netsh.exe

pid process

2576 netsh.exe

pid	process
2576	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\qpfyekwp\ImagePath = "C:\\Windows\\SysWOW64\\qpfyekwp\\wottasmq.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1824 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

wottasmq.exe

pid process

2852 wottasmq.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

wottasmq.exe

description pid process target process

PID 2852 set thread context of 1824 2852 wottasmq.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2688 sc.exe
2796 sc.exe
2672 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1824	svchost.exe

pid	process
2852	wottasmq.exe

description	pid	process	target process
PID 2852 set thread context of 1824	2852	wottasmq.exe	svchost.exe

pid	process
2688	sc.exe
2796	sc.exe
2672	sc.exe

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

Processes:

netsh.exe

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

Processes:

sc.exenetsh.exewottasmq.exesvchost.exesc.exe406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.execmd.execmd.exesc.exe

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	wottasmq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.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

Processes:

406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exewottasmq.exe

description	pid	process	target process
PID 1940 wrote to memory of 2624	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2624	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2624	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2624	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 1760	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 1760	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 1760	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 1760	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2688	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2688	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2688	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2688	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2796	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2796	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2796	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2796	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2672	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2672	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2672	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2672	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2576	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	netsh.exe
PID 1940 wrote to memory of 2576	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	netsh.exe
PID 1940 wrote to memory of 2576	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	netsh.exe
PID 1940 wrote to memory of 2576	1940	406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe	netsh.exe
PID 2852 wrote to memory of 1824	2852	wottasmq.exe	svchost.exe
PID 2852 wrote to memory of 1824	2852	wottasmq.exe	svchost.exe
PID 2852 wrote to memory of 1824	2852	wottasmq.exe	svchost.exe
PID 2852 wrote to memory of 1824	2852	wottasmq.exe	svchost.exe
PID 2852 wrote to memory of 1824	2852	wottasmq.exe	svchost.exe
PID 2852 wrote to memory of 1824	2852	wottasmq.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qpfyekwp\
2⤵
- System Location Discovery: System Language Discovery
PID:2624

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wottasmq.exe" C:\Windows\SysWOW64\qpfyekwp\
2⤵
- System Location Discovery: System Language Discovery
PID:1760

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create qpfyekwp binPath= "C:\Windows\SysWOW64\qpfyekwp\wottasmq.exe /d\"C:\Users\Admin\AppData\Local\Temp\406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2688

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description qpfyekwp "wifi internet conection"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2796

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start qpfyekwp
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2672

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:2576

C:\Windows\SysWOW64\qpfyekwp\wottasmq.exe
C:\Windows\SysWOW64\qpfyekwp\wottasmq.exe /d"C:\Users\Admin\AppData\Local\Temp\406385b053aa722774e90ba0d8ffcf8e_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852

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:1824

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

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

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\wottasmq.exe

Filesize
11.2MB

MD5
0b0aa594913e270f44e3a9c99ecc832a

SHA1
c77d2245ab49356aa46a5ba613276185efe201f6

SHA256
bd02c5e7f4753ee0555d2d13b32723cb006153a4035414e132f3c1ecc946c83d

SHA512
419f1cb0b01f92ed7275d2dab7154d49bab33de508c9d21f79d0e4fdfb9a99258f21e06b9f721ed8421e9dbe7ea4f547c26d39d88948216f8c29426f8568ab94

Download Submit
memory/1824-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1824-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1824-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1824-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1824-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1940-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1940-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1940-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1940-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1940-8-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1940-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/2852-16-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads