tofsee | ff63e0e9c87d9151822cede77df12c3d037dbfd39865437c7e7e23e33a15f5bc

General

Target

6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe
Size

13.1MB
MD5

6a05a5da802f453957669ef5435c969f
SHA1

3eafa3328c9ff522386a0dfba196f1fb1d4f2e5c
SHA256

ff63e0e9c87d9151822cede77df12c3d037dbfd39865437c7e7e23e33a15f5bc
SHA512

9a2f0d83904497b0a54ae59db074969b2225edf406faee0cec562523c74cd9d8fe19acbe40c3e84604a0d8e6436802f4d332962834110d382164bab47fff7b46
SSDEEP

393216:E55555555555555555555555555555555555555555555555555555555555555H:

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\dvwxamcq = "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

2596 netsh.exe

pid	process
2596	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\dvwxamcq\ImagePath = "C:\\Windows\\SysWOW64\\dvwxamcq\\ubecddth.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2628 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ubecddth.exe

pid process

2736 ubecddth.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ubecddth.exe

description pid process target process

PID 2736 set thread context of 2628 2736 ubecddth.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

2776 sc.exe
2564 sc.exe
2352 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2628	svchost.exe

pid	process
2736	ubecddth.exe

description	pid	process	target process
PID 2736 set thread context of 2628	2736	ubecddth.exe	svchost.exe

pid	process
2776	sc.exe
2564	sc.exe
2352	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.exeubecddth.exe6a05a5da802f453957669ef5435c969f_JaffaCakes118.execmd.exesc.exesvchost.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	ubecddth.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a05a5da802f453957669ef5435c969f_JaffaCakes118.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	svchost.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:

6a05a5da802f453957669ef5435c969f_JaffaCakes118.exeubecddth.exe

description	pid	process	target process
PID 1292 wrote to memory of 2744	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	cmd.exe
PID 1292 wrote to memory of 2744	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	cmd.exe
PID 1292 wrote to memory of 2744	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	cmd.exe
PID 1292 wrote to memory of 2744	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	cmd.exe
PID 1292 wrote to memory of 2192	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	cmd.exe
PID 1292 wrote to memory of 2192	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	cmd.exe
PID 1292 wrote to memory of 2192	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	cmd.exe
PID 1292 wrote to memory of 2192	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	cmd.exe
PID 1292 wrote to memory of 2776	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2776	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2776	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2776	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2564	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2564	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2564	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2564	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2352	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2352	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2352	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2352	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	sc.exe
PID 1292 wrote to memory of 2596	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	netsh.exe
PID 1292 wrote to memory of 2596	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	netsh.exe
PID 1292 wrote to memory of 2596	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	netsh.exe
PID 1292 wrote to memory of 2596	1292	6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe	netsh.exe
PID 2736 wrote to memory of 2628	2736	ubecddth.exe	svchost.exe
PID 2736 wrote to memory of 2628	2736	ubecddth.exe	svchost.exe
PID 2736 wrote to memory of 2628	2736	ubecddth.exe	svchost.exe
PID 2736 wrote to memory of 2628	2736	ubecddth.exe	svchost.exe
PID 2736 wrote to memory of 2628	2736	ubecddth.exe	svchost.exe
PID 2736 wrote to memory of 2628	2736	ubecddth.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1292

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dvwxamcq\
2⤵
- System Location Discovery: System Language Discovery
PID:2744

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ubecddth.exe" C:\Windows\SysWOW64\dvwxamcq\
2⤵
- System Location Discovery: System Language Discovery
PID:2192

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create dvwxamcq binPath= "C:\Windows\SysWOW64\dvwxamcq\ubecddth.exe /d\"C:\Users\Admin\AppData\Local\Temp\6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2776

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description dvwxamcq "wifi internet conection"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2564

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start dvwxamcq
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2352

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:2596

C:\Windows\SysWOW64\dvwxamcq\ubecddth.exe
C:\Windows\SysWOW64\dvwxamcq\ubecddth.exe /d"C:\Users\Admin\AppData\Local\Temp\6a05a5da802f453957669ef5435c969f_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736

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:2628

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\ubecddth.exe
Filesize
13.2MB

MD5
5aadfd4a981f8efaabfe748287d30a55

SHA1
4db7f0df06975546fe64adab2e546c88cbae8c3a

SHA256
aa9def911f6474f8dbe5c3c6ed53b30fc0daed707187fb7468e3b62977332d6c

SHA512
80815080e56e580deea1bbace5334dd316527a0e58bedde71c9d11322928e6220ab08b7640ccd14add91ded39b4cbebc37ab00934978bfc024e841dd4b0f4d73

Download Submit
memory/1292-8-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1292-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1292-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1292-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1292-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1292-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2628-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads