tofsee | dc29002568fbc6453ba1d57da0ecac5b759464026b4d3d110abc4daf36e7de00

General

Target

fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe
Size

14.7MB
MD5

fe624503ac7e44c8dcf7931bee3d7628
SHA1

e3750c0623555c8f7e1500825215d21a4a106319
SHA256

dc29002568fbc6453ba1d57da0ecac5b759464026b4d3d110abc4daf36e7de00
SHA512

96c6c25d2b2d7f8fc87a49a96c461ba2fb3e08f46795c4acd9999af1a7bd676fa07d5829d914f37a90516d3acef13b2e2f62530efb316a83ee04175da2248d6a
SSDEEP

24576:Ogdy5yNM4444444444444444444444444444444444444444444444444444444U:

Score

10^/10

tofsee evasion persistence 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\lkxaluve = "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

2420 netsh.exe

pid	process
2420	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\lkxaluve\ImagePath = "C:\\Windows\\SysWOW64\\lkxaluve\\ptwsenkg.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2436 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ptwsenkg.exe

pid process

2688 ptwsenkg.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ptwsenkg.exe

description pid process target process

PID 2688 set thread context of 2436 2688 ptwsenkg.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

2676 sc.exe
2796 sc.exe
2724 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2436	svchost.exe

pid	process
2688	ptwsenkg.exe

description	pid	process	target process
PID 2688 set thread context of 2436	2688	ptwsenkg.exe	svchost.exe

pid	process
2676	sc.exe
2796	sc.exe
2724	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exeptwsenkg.exe

description	pid	process	target process
PID 2920 wrote to memory of 2740	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	cmd.exe
PID 2920 wrote to memory of 2740	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	cmd.exe
PID 2920 wrote to memory of 2740	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	cmd.exe
PID 2920 wrote to memory of 2740	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	cmd.exe
PID 2920 wrote to memory of 2540	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	cmd.exe
PID 2920 wrote to memory of 2540	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	cmd.exe
PID 2920 wrote to memory of 2540	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	cmd.exe
PID 2920 wrote to memory of 2540	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	cmd.exe
PID 2920 wrote to memory of 2676	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2676	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2676	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2676	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2796	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2796	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2796	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2796	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2724	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2724	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2724	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2724	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	sc.exe
PID 2920 wrote to memory of 2420	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	netsh.exe
PID 2920 wrote to memory of 2420	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	netsh.exe
PID 2920 wrote to memory of 2420	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	netsh.exe
PID 2920 wrote to memory of 2420	2920	fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe	netsh.exe
PID 2688 wrote to memory of 2436	2688	ptwsenkg.exe	svchost.exe
PID 2688 wrote to memory of 2436	2688	ptwsenkg.exe	svchost.exe
PID 2688 wrote to memory of 2436	2688	ptwsenkg.exe	svchost.exe
PID 2688 wrote to memory of 2436	2688	ptwsenkg.exe	svchost.exe
PID 2688 wrote to memory of 2436	2688	ptwsenkg.exe	svchost.exe
PID 2688 wrote to memory of 2436	2688	ptwsenkg.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2920

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lkxaluve\
2⤵
PID:2740

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ptwsenkg.exe" C:\Windows\SysWOW64\lkxaluve\
2⤵
PID:2540

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create lkxaluve binPath= "C:\Windows\SysWOW64\lkxaluve\ptwsenkg.exe /d\"C:\Users\Admin\AppData\Local\Temp\fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2676

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description lkxaluve "wifi internet conection"
2⤵
- Launches sc.exe
PID:2796

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start lkxaluve
2⤵
- Launches sc.exe
PID:2724

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:2420

C:\Windows\SysWOW64\lkxaluve\ptwsenkg.exe
C:\Windows\SysWOW64\lkxaluve\ptwsenkg.exe /d"C:\Users\Admin\AppData\Local\Temp\fe624503ac7e44c8dcf7931bee3d7628_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2688

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2436

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ptwsenkg.exe

Filesize
12.2MB

MD5
061c45e5f458e85247a9a51b695190fb

SHA1
de0a87b90f9a2968e1da190aeb3116496f120cb8

SHA256
19902c8143ad8b0f5b95a012b833ffec05735187d217b36ac7f1f4b41209002b

SHA512
581312b5247e8586c750d99e4f705807373114c98ea34546825dca916953bb6b51fc294e2e728c009cf284db92ff2c8ff21f1746feacc466e2a260b62c2e2c2f

Download Submit
memory/2436-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2436-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2436-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2436-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2436-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2436-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2688-15-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/2688-16-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2920-3-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2920-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2920-8-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2920-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2920-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads