tofsee | 2cea1b1e165a19acb0c3a4c4c9a73798a20a6f43965863b29266a36f0f8aa49d

General

Target

6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe
Size

10.4MB
MD5

6315b5985b59592bcb0b76a12d842a53
SHA1

68e27e767670329db251d41fde2cd30a130b7b84
SHA256

2cea1b1e165a19acb0c3a4c4c9a73798a20a6f43965863b29266a36f0f8aa49d
SHA512

a14da4149fb7749dc3942009a34913b4dab5e9d0d83d01ca7d69c5f526cf33edab79fac083d2908b40b8d61ae9c5b8d48f382cacf8806fdf5c81dfe925084d42
SSDEEP

12288:Pp4/GC6zTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTzTT:PpeG

Score

10^/10

tofsee 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
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

1536 netsh.exe

pid	process
1536	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\llydtccf\ImagePath = "C:\\Windows\\SysWOW64\\llydtccf\\qgggvmsk.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

Processes:

6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2304 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

qgggvmsk.exe

pid process

4816 qgggvmsk.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

qgggvmsk.exe

description pid process target process

PID 4816 set thread context of 2304 4816 qgggvmsk.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

4016 sc.exe
1524 sc.exe
4516 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2304	svchost.exe

pid	process
4816	qgggvmsk.exe

description	pid	process	target process
PID 4816 set thread context of 2304	4816	qgggvmsk.exe	svchost.exe

pid	process
4016	sc.exe
1524	sc.exe
4516	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

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1340 5040 WerFault.exe 6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe
1416 4816 WerFault.exe qgggvmsk.exe

pid	pid_target	process	target process
1340	5040	WerFault.exe	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe
1416	4816	WerFault.exe	qgggvmsk.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exeqgggvmsk.exe

description	pid	process	target process
PID 5040 wrote to memory of 2964	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	cmd.exe
PID 5040 wrote to memory of 2964	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	cmd.exe
PID 5040 wrote to memory of 2964	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	cmd.exe
PID 5040 wrote to memory of 1232	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	cmd.exe
PID 5040 wrote to memory of 1232	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	cmd.exe
PID 5040 wrote to memory of 1232	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	cmd.exe
PID 5040 wrote to memory of 4016	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	sc.exe
PID 5040 wrote to memory of 4016	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	sc.exe
PID 5040 wrote to memory of 4016	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	sc.exe
PID 5040 wrote to memory of 1524	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	sc.exe
PID 5040 wrote to memory of 1524	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	sc.exe
PID 5040 wrote to memory of 1524	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	sc.exe
PID 5040 wrote to memory of 4516	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	sc.exe
PID 5040 wrote to memory of 4516	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	sc.exe
PID 5040 wrote to memory of 4516	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	sc.exe
PID 5040 wrote to memory of 1536	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	netsh.exe
PID 5040 wrote to memory of 1536	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	netsh.exe
PID 5040 wrote to memory of 1536	5040	6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe	netsh.exe
PID 4816 wrote to memory of 2304	4816	qgggvmsk.exe	svchost.exe
PID 4816 wrote to memory of 2304	4816	qgggvmsk.exe	svchost.exe
PID 4816 wrote to memory of 2304	4816	qgggvmsk.exe	svchost.exe
PID 4816 wrote to memory of 2304	4816	qgggvmsk.exe	svchost.exe
PID 4816 wrote to memory of 2304	4816	qgggvmsk.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5040

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\llydtccf\
2⤵
PID:2964

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qgggvmsk.exe" C:\Windows\SysWOW64\llydtccf\
2⤵
PID:1232

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create llydtccf binPath= "C:\Windows\SysWOW64\llydtccf\qgggvmsk.exe /d\"C:\Users\Admin\AppData\Local\Temp\6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:4016

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description llydtccf "wifi internet conection"
2⤵
- Launches sc.exe
PID:1524

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start llydtccf
2⤵
- Launches sc.exe
PID:4516

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
PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 1188
2⤵
- Program crash
PID:1340

C:\Windows\SysWOW64\llydtccf\qgggvmsk.exe
C:\Windows\SysWOW64\llydtccf\qgggvmsk.exe /d"C:\Users\Admin\AppData\Local\Temp\6315b5985b59592bcb0b76a12d842a53_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4816

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 528
2⤵
- Program crash
PID:1416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5040 -ip 5040
1⤵
PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4816 -ip 4816
1⤵
PID:4172

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\qgggvmsk.exe
Filesize
12.4MB

MD5
15b37e69dd6c9975e27fa9c2d4cfe0be

SHA1
fddae368090de722305a919a10c14ba1e09ffeab

SHA256
6aa6e95eeca0350d4af2efd816c739a60a3c0e19f8b70553a033603a5cac1d6d

SHA512
61525f1740f2bbce953e9cf39d8383d891489b55e045f17512744fe9b54fc1d39c912a637305d7c3b7b84ce9090dda58b2fedcc38cbd4810b83eb7de68c0593b

Download Submit
memory/2304-13-0x00000000009D0000-0x00000000009E5000-memory.dmp

Filesize
84KB

Download
memory/2304-17-0x00000000009D0000-0x00000000009E5000-memory.dmp

Filesize
84KB

Download
memory/2304-16-0x00000000009D0000-0x00000000009E5000-memory.dmp

Filesize
84KB

Download
memory/4816-14-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/4816-11-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/4816-12-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/4816-18-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/5040-9-0x0000000000610000-0x0000000000623000-memory.dmp

Filesize
76KB

Download
memory/5040-8-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/5040-2-0x0000000000610000-0x0000000000623000-memory.dmp

Filesize
76KB

Download
memory/5040-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5040-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5040-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads