tofsee | a5eb7b712c179c271096f6119985b67303d0c18875f33d7ea5cf2fdbcf41dd72

General

Target

18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe
Size

11.6MB
MD5

18840d0fd7d8bd428acafd42d8a85cf0
SHA1

96aaf420d989c98f571d4609d28ab733b89ad070
SHA256

a5eb7b712c179c271096f6119985b67303d0c18875f33d7ea5cf2fdbcf41dd72
SHA512

628118fb72328ba29fe8d30a9f283231c4d4a1789aa4a75812c4276d475bb0734c118fe45bb6a57c1ddb6ddffdd8e42f4eb5edb8f3f4488986d4c51830ece4da
SSDEEP

3072:jMvoJ8oyOUQmaEa1otqKjHJSQEb/PUNnrU0vyHeN2hFRsGcPEH/UnpkWxeVxENOY:jMvw8F3QDEFgIpb8U92ebznbxe4

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\xphdcgqs = "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

2892 netsh.exe

pid	process
2892	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\xphdcgqs\ImagePath = "C:\\Windows\\SysWOW64\\xphdcgqs\\tamzivwq.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2836 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

tamzivwq.exe

pid process

2856 tamzivwq.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

tamzivwq.exe

description pid process target process

PID 2856 set thread context of 2836 2856 tamzivwq.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

2520 sc.exe
2900 sc.exe
1244 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2836	svchost.exe

pid	process
2856	tamzivwq.exe

description	pid	process	target process
PID 2856 set thread context of 2836	2856	tamzivwq.exe	svchost.exe

pid	process
2520	sc.exe
2900	sc.exe
1244	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:

cmd.execmd.exesc.exenetsh.exesvchost.exe18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exesc.exesc.exetamzivwq.exe

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.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	tamzivwq.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exetamzivwq.exe

description	pid	process	target process
PID 1600 wrote to memory of 1672	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 1672	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 1672	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 1672	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2536	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2536	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2536	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2536	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2520	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2520	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2520	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2520	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2900	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2900	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2900	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2900	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 1244	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 1244	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 1244	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 1244	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2892	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	netsh.exe
PID 1600 wrote to memory of 2892	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	netsh.exe
PID 1600 wrote to memory of 2892	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	netsh.exe
PID 1600 wrote to memory of 2892	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	netsh.exe
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	svchost.exe
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	svchost.exe
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	svchost.exe
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	svchost.exe
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	svchost.exe
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xphdcgqs\
2⤵
- System Location Discovery: System Language Discovery
PID:1672

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tamzivwq.exe" C:\Windows\SysWOW64\xphdcgqs\
2⤵
- System Location Discovery: System Language Discovery
PID:2536

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create xphdcgqs binPath= "C:\Windows\SysWOW64\xphdcgqs\tamzivwq.exe /d\"C:\Users\Admin\AppData\Local\Temp\18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2520

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description xphdcgqs "wifi internet conection"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2900

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start xphdcgqs
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1244

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:2892

C:\Windows\SysWOW64\xphdcgqs\tamzivwq.exe
C:\Windows\SysWOW64\xphdcgqs\tamzivwq.exe /d"C:\Users\Admin\AppData\Local\Temp\18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856

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:2836

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\tamzivwq.exe

Filesize
10.5MB

MD5
199d992b9a0c56358e5a77cd5ba105c6

SHA1
2cecf461a98b8b915e7367cdc26e3f0114993757

SHA256
5d27aec4a5e0b7340b3c07695ec6dc9a07bedaa6d268e9f514d98c3bf90fa6a4

SHA512
19ded43e1b54cff97e743915570b64288c7d17369d35d7cb178f70caa5dcd087abfffd3a1a29d2f5346c9a6259c85003db392711edebea48a176310e162cb449

Download Submit
memory/1600-1-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/1600-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1600-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1600-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/1600-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2836-13-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2836-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-10-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2836-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2836-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2856-16-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads