tofsee | 16fdbb6f45f722fffffafa455e8c5dd268c895e6b050031f40ab557be5240332

General

Target

f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe
Size

344KB
MD5

f3baa4ed45dc9d0b254f70e6e4b0ac0f
SHA1

b3aa03c4bebf4d65227f54f2cafd1e50daa8aebe
SHA256

16fdbb6f45f722fffffafa455e8c5dd268c895e6b050031f40ab557be5240332
SHA512

13d2af499e0ae5819ced2d9086926dbd73259efa24e64705651899f6f1d730e8ed0b36d3438d4271a9254979f132523a3fb9f0994bb77a2a1d2105618f0bbb4a
SSDEEP

6144:BPhtfImvvB2SRwvGklHadh1jCTz9Up+pcBywGFIutJ1H:BXIuvBPRw+klH+PjCn9UpJBlGO

Score

10^/10

tofsee evasion persistence 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

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\cneosxrt = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2668 netsh.exe

pid	process
2668	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\cneosxrt\ImagePath = "C:\\Windows\\SysWOW64\\cneosxrt\\dzootagx.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2448 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

dzootagx.exe

pid process

2576 dzootagx.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

dzootagx.exe

description pid process target process

PID 2576 set thread context of 2448 2576 dzootagx.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
2552 sc.exe
2648 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2448	svchost.exe

pid	process
2576	dzootagx.exe

description	pid	process	target process
PID 2576 set thread context of 2448	2576	dzootagx.exe	svchost.exe

pid	process
2776	sc.exe
2552	sc.exe
2648	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exedzootagx.exe

description	pid	process	target process
PID 2340 wrote to memory of 2320	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 2320	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 2320	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 2320	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 2144	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 2144	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 2144	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 2144	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 2776	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2776	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2776	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2776	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2552	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2552	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2552	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2552	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2648	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2648	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2648	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2648	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2668	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	netsh.exe
PID 2340 wrote to memory of 2668	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	netsh.exe
PID 2340 wrote to memory of 2668	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	netsh.exe
PID 2340 wrote to memory of 2668	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	netsh.exe
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	svchost.exe
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	svchost.exe
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	svchost.exe
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	svchost.exe
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	svchost.exe
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2340

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cneosxrt\
2⤵
PID:2320

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dzootagx.exe" C:\Windows\SysWOW64\cneosxrt\
2⤵
PID:2144

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create cneosxrt binPath= "C:\Windows\SysWOW64\cneosxrt\dzootagx.exe /d\"C:\Users\Admin\AppData\Local\Temp\f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2776

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description cneosxrt "wifi internet conection"
2⤵
- Launches sc.exe
PID:2552

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start cneosxrt
2⤵
- Launches sc.exe
PID:2648

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
PID:2668

C:\Windows\SysWOW64\cneosxrt\dzootagx.exe
C:\Windows\SysWOW64\cneosxrt\dzootagx.exe /d"C:\Users\Admin\AppData\Local\Temp\f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2576

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dzootagx.exe
Filesize
13.1MB

MD5
2b5f8d99f4c59b90af9911f53b6ffc98

SHA1
5e313855adb91f8432356844898907fd80dc7702

SHA256
8eae21a633468e547fc7d061490f0b5f50cd52e5d9d95d91df195328f0003016

SHA512
1ecc697bbc73369daf312f9198db18759b65d8bbd843cd22cbd1a22888f1f56f77e079dd08faa3237b8eb8faa7d9df895c414c8f41fcd17a036097dd3f4afe55

Download Submit
memory/2340-3-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2340-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2340-4-0x0000000000400000-0x0000000000788000-memory.dmp

Filesize
3.5MB

Download
memory/2340-8-0x0000000000400000-0x0000000000788000-memory.dmp

Filesize
3.5MB

Download
memory/2448-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2448-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2448-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2448-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2448-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2448-21-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2576-15-0x0000000000400000-0x0000000000788000-memory.dmp

Filesize
3.5MB

Download
memory/2576-9-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads