tofsee | cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5

General

Target

f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe
Size

10.1MB
MD5

f777ab88e7988a6197689c84bd5c200b
SHA1

9b8f94fe18fcfcbbb6ca1736751d6ca5ee417766
SHA256

cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5
SHA512

9e9730d5ee6629003f29dcd9193ccd09acfa52256439a8408019273fd12b5c87138de4459d659c63a7eb505cc81039a50767ca33adf687a389a40aeb6ba64436
SSDEEP

12288:Iz+wSUpBMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMs:Iz8

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.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\nyqjdkzi = "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

2916 netsh.exe

pid	process
2916	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\nyqjdkzi\ImagePath = "C:\\Windows\\SysWOW64\\nyqjdkzi\\lsffitlg.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2584 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

lsffitlg.exe

pid process

2492 lsffitlg.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

lsffitlg.exe

description pid process target process

PID 2492 set thread context of 2584 2492 lsffitlg.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

1560 sc.exe
1832 sc.exe
2752 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2584	svchost.exe

pid	process
2492	lsffitlg.exe

description	pid	process	target process
PID 2492 set thread context of 2584	2492	lsffitlg.exe	svchost.exe

pid	process
1560	sc.exe
1832	sc.exe
2752	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exelsffitlg.exe

description	pid	process	target process
PID 2076 wrote to memory of 2300	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	cmd.exe
PID 2076 wrote to memory of 2300	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	cmd.exe
PID 2076 wrote to memory of 2300	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	cmd.exe
PID 2076 wrote to memory of 2300	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	cmd.exe
PID 2076 wrote to memory of 2832	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	cmd.exe
PID 2076 wrote to memory of 2832	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	cmd.exe
PID 2076 wrote to memory of 2832	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	cmd.exe
PID 2076 wrote to memory of 2832	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	cmd.exe
PID 2076 wrote to memory of 1560	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 1560	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 1560	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 1560	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 1832	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 1832	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 1832	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 1832	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 2752	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 2752	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 2752	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 2752	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	sc.exe
PID 2076 wrote to memory of 2916	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	netsh.exe
PID 2076 wrote to memory of 2916	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	netsh.exe
PID 2076 wrote to memory of 2916	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	netsh.exe
PID 2076 wrote to memory of 2916	2076	f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe	netsh.exe
PID 2492 wrote to memory of 2584	2492	lsffitlg.exe	svchost.exe
PID 2492 wrote to memory of 2584	2492	lsffitlg.exe	svchost.exe
PID 2492 wrote to memory of 2584	2492	lsffitlg.exe	svchost.exe
PID 2492 wrote to memory of 2584	2492	lsffitlg.exe	svchost.exe
PID 2492 wrote to memory of 2584	2492	lsffitlg.exe	svchost.exe
PID 2492 wrote to memory of 2584	2492	lsffitlg.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2076

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nyqjdkzi\
2⤵
PID:2300

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lsffitlg.exe" C:\Windows\SysWOW64\nyqjdkzi\
2⤵
PID:2832

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create nyqjdkzi binPath= "C:\Windows\SysWOW64\nyqjdkzi\lsffitlg.exe /d\"C:\Users\Admin\AppData\Local\Temp\f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1560

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description nyqjdkzi "wifi internet conection"
2⤵
- Launches sc.exe
PID:1832

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start nyqjdkzi
2⤵
- Launches sc.exe
PID:2752

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:2916

C:\Windows\SysWOW64\nyqjdkzi\lsffitlg.exe
C:\Windows\SysWOW64\nyqjdkzi\lsffitlg.exe /d"C:\Users\Admin\AppData\Local\Temp\f777ab88e7988a6197689c84bd5c200b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2492

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2584

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

1

T1562.001

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\lsffitlg.exe
Filesize
10.2MB

MD5
d913e876cddecd8d8f755e4b461c2e0d

SHA1
abb88f4c6463dd540e13db7debfbac2713668fc3

SHA256
1e03a9fe364c33fb84f7e66b74458a9132859330580677e4b0720b02b0544f12

SHA512
b4980a6a2e9c6660787661bcb2e1719794ea37bda9b095823ca6c8016c07e3af559d60e1c125d4757bb58e012f92b3e734aec9464e1b52118437937e6dacdf47

Download Submit
memory/2076-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2076-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2076-2-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2076-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2076-7-0x00000000050E0000-0x00000000050F1000-memory.dmp

Filesize
68KB

Download
memory/2076-6-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2492-17-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2492-18-0x00000000050E0000-0x00000000050F1000-memory.dmp

Filesize
68KB

Download
memory/2492-11-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2492-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2584-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-23-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads