tofsee | 2ee579a9f9ebf574254c0da0f2a45fbff896e7864e3b40f95f826943e6f0213b

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 22:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe
Size

12.2MB
MD5

7c2a38a540f8fc122b16114bf6d252fa
SHA1

6db7d9c26da4e59d8b32a7e64332b3c00b05d2b8
SHA256

2ee579a9f9ebf574254c0da0f2a45fbff896e7864e3b40f95f826943e6f0213b
SHA512

8dd997262da18500f24b8a3bbe04f62e18dbb2f4d3f74f21542cf01c6f02fe60fd0d779b92d60047cc70750f0f640f0fcae82795d02297955315457b53d4fa9f
SSDEEP

49152:PtRCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCf:V

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\kcdjxayg = "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
2920	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\kcdjxayg\ImagePath = "C:\\Windows\\SysWOW64\\kcdjxayg\\ixcdxfib.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2736	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	ixcdxfib.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2892 set thread context of 2736	2892	ixcdxfib.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
264	sc.exe
2484	sc.exe
1896	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	sc.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ixcdxfib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 1124	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	30
PID 2448 wrote to memory of 1124	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	30
PID 2448 wrote to memory of 1124	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	30
PID 2448 wrote to memory of 1124	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	30
PID 2448 wrote to memory of 2568	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	32
PID 2448 wrote to memory of 2568	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	32
PID 2448 wrote to memory of 2568	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	32
PID 2448 wrote to memory of 2568	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	32
PID 2448 wrote to memory of 264	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	34
PID 2448 wrote to memory of 264	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	34
PID 2448 wrote to memory of 264	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	34
PID 2448 wrote to memory of 264	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	34
PID 2448 wrote to memory of 2484	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	36
PID 2448 wrote to memory of 2484	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	36
PID 2448 wrote to memory of 2484	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	36
PID 2448 wrote to memory of 2484	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	36
PID 2448 wrote to memory of 1896	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	38
PID 2448 wrote to memory of 1896	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	38
PID 2448 wrote to memory of 1896	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	38
PID 2448 wrote to memory of 1896	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	38
PID 2448 wrote to memory of 2920	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	41
PID 2448 wrote to memory of 2920	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	41
PID 2448 wrote to memory of 2920	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	41
PID 2448 wrote to memory of 2920	2448	JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe	41
PID 2892 wrote to memory of 2736	2892	ixcdxfib.exe	43
PID 2892 wrote to memory of 2736	2892	ixcdxfib.exe	43
PID 2892 wrote to memory of 2736	2892	ixcdxfib.exe	43
PID 2892 wrote to memory of 2736	2892	ixcdxfib.exe	43
PID 2892 wrote to memory of 2736	2892	ixcdxfib.exe	43
PID 2892 wrote to memory of 2736	2892	ixcdxfib.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kcdjxayg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ixcdxfib.exe" C:\Windows\SysWOW64\kcdjxayg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kcdjxayg binPath= "C:\Windows\SysWOW64\kcdjxayg\ixcdxfib.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kcdjxayg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kcdjxayg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1896
- 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:2920

C:\Windows\SysWOW64\kcdjxayg\ixcdxfib.exe
C:\Windows\SysWOW64\kcdjxayg\ixcdxfib.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c2a38a540f8fc122b16114bf6d252fa.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- 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:2736

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\ixcdxfib.exe

Filesize
14.1MB

MD5
a05d923e5f701a3f97a6091d248a8ba9

SHA1
81d8a641c66c00f40efa2cfe5eb22bf66e1923d4

SHA256
3377d3ed81e256ae4e64a0285dbe3748f43fe664a51503711edabbb6489b45de

SHA512
7d36bb49ee0bc9deffc860f34300f9297ca91bb2b8d39b4e531142aedafde60523b09cf0cf9c6bbf0a6a0e3be08abf3094ba68f5924a75c0504111fde9046a57

Download Submit
memory/2448-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2448-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2448-4-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2448-9-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2448-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2736-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2892-15-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads