tofsee | 1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 09:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe
Size

291KB
MD5

831a5dc5fa2b9d8d477d3ef10e217506
SHA1

313455b9a0487d9dcf0b0ceaa054fc8d942a3eca
SHA256

1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece
SHA512

eca615a24dfb8a729a37fdd34e3723c767bd03f99a8404d66fe09e53d58dd4832254fb4049f7b0d13dd510d6cbd0fb876a919dab68ab3bca2370000b8f3f651b
SSDEEP

6144:n2EGgkHHbPvLrBbciQ83oSXuZet0yyeeT3PXsE+BmLzL+:n2oknbrr2iQCoSXuZet0yyeQEE+Bmq

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation 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
Tofsee family
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\dljuuqix = "0"	svchost.exe

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

pid	Process
2812	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\dljuuqix\ImagePath = "C:\\Windows\\SysWOW64\\dljuuqix\\renklqcp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2884	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2672	renklqcp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 2884	2672	renklqcp.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2676	sc.exe
3060	sc.exe
108	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

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

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	renklqcp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2836	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	31
PID 2688 wrote to memory of 2836	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	31
PID 2688 wrote to memory of 2836	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	31
PID 2688 wrote to memory of 2836	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	31
PID 2688 wrote to memory of 2684	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	33
PID 2688 wrote to memory of 2684	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	33
PID 2688 wrote to memory of 2684	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	33
PID 2688 wrote to memory of 2684	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	33
PID 2688 wrote to memory of 2676	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	35
PID 2688 wrote to memory of 2676	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	35
PID 2688 wrote to memory of 2676	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	35
PID 2688 wrote to memory of 2676	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	35
PID 2688 wrote to memory of 3060	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	37
PID 2688 wrote to memory of 3060	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	37
PID 2688 wrote to memory of 3060	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	37
PID 2688 wrote to memory of 3060	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	37
PID 2688 wrote to memory of 108	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	39
PID 2688 wrote to memory of 108	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	39
PID 2688 wrote to memory of 108	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	39
PID 2688 wrote to memory of 108	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	39
PID 2688 wrote to memory of 2812	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	42
PID 2688 wrote to memory of 2812	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	42
PID 2688 wrote to memory of 2812	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	42
PID 2688 wrote to memory of 2812	2688	JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe	42
PID 2672 wrote to memory of 2884	2672	renklqcp.exe	44
PID 2672 wrote to memory of 2884	2672	renklqcp.exe	44
PID 2672 wrote to memory of 2884	2672	renklqcp.exe	44
PID 2672 wrote to memory of 2884	2672	renklqcp.exe	44
PID 2672 wrote to memory of 2884	2672	renklqcp.exe	44
PID 2672 wrote to memory of 2884	2672	renklqcp.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dljuuqix\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\renklqcp.exe" C:\Windows\SysWOW64\dljuuqix\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dljuuqix binPath= "C:\Windows\SysWOW64\dljuuqix\renklqcp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dljuuqix "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dljuuqix
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:108
- 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
  - System Location Discovery: System Language Discovery
  PID:2812

C:\Windows\SysWOW64\dljuuqix\renklqcp.exe
C:\Windows\SysWOW64\dljuuqix\renklqcp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1843cd50cf003274224a0f3355562f429b8dc4cd307b5b6b8d3fadfbd3840ece.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

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

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
12.6MB

MD5
f7ff3eff9c78d07b43a1684b5b8db8e7

SHA1
6070f9878325e7d7113c8ef894d163f524517cc4

SHA256
3d81fc80f5ea7c41f616a27b451e31b1ef8aa4c834b1f424099e83b5dfe2608d

SHA512
3d172cf08bf073b25f3820057932d1307ab0efb5c4421fe490590af32cc75dfb570fbe9748bf4cbe7c6003ec570977c80910fe3e83653e2d6a56eb6d7086dbac

Download Submit
memory/2672-12-0x0000000000400000-0x0000000001FCF000-memory.dmp

Filesize
27.8MB

Download
memory/2688-2-0x0000000000400000-0x0000000001FCF000-memory.dmp

Filesize
27.8MB

Download
memory/2688-3-0x0000000000400000-0x0000000001FCF000-memory.dmp

Filesize
27.8MB

Download
memory/2688-6-0x0000000000400000-0x0000000001FCF000-memory.dmp

Filesize
27.8MB

Download
memory/2884-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads