tofsee | 16fdbb6f45f722fffffafa455e8c5dd268c895e6b050031f40ab557be5240332

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 14:58

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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

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

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

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

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

pid	Process
2448	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	dzootagx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 2448	2576	dzootagx.exe	41

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2320	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	28
PID 2340 wrote to memory of 2320	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	28
PID 2340 wrote to memory of 2320	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	28
PID 2340 wrote to memory of 2320	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	28
PID 2340 wrote to memory of 2144	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	30
PID 2340 wrote to memory of 2144	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	30
PID 2340 wrote to memory of 2144	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	30
PID 2340 wrote to memory of 2144	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	30
PID 2340 wrote to memory of 2776	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	32
PID 2340 wrote to memory of 2776	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	32
PID 2340 wrote to memory of 2776	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	32
PID 2340 wrote to memory of 2776	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	32
PID 2340 wrote to memory of 2552	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	34
PID 2340 wrote to memory of 2552	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	34
PID 2340 wrote to memory of 2552	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	34
PID 2340 wrote to memory of 2552	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	34
PID 2340 wrote to memory of 2648	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	36
PID 2340 wrote to memory of 2648	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	36
PID 2340 wrote to memory of 2648	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	36
PID 2340 wrote to memory of 2648	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	36
PID 2340 wrote to memory of 2668	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	39
PID 2340 wrote to memory of 2668	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	39
PID 2340 wrote to memory of 2668	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	39
PID 2340 wrote to memory of 2668	2340	f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe	39
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	41
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	41
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	41
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	41
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	41
PID 2576 wrote to memory of 2448	2576	dzootagx.exe	41

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

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

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