tofsee | 76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 02:46

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General

Target

JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe
Size

159KB
MD5

34f90b79823c2119291242a85372614c
SHA1

a0a1e2ca7601fffa34ba6d0c9fe81214c7fd60f3
SHA256

76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239
SHA512

1047e34b82be935e77079aae9c761c78c9de56ba1003c4c9e891863dd3cc920bd67df5ab4df65f785b21644a493d260524f2557e9554094401b8cc8c8f786c5d
SSDEEP

3072:f754OjNeZE6gjfPa2CAbQSi2sjnh3NnTNJSLZcY4N5FokL:FNeZE6gLJC+l32Nn1

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\cdnofojx = "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
2876	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\cdnofojx\ImagePath = "C:\\Windows\\SysWOW64\\cdnofojx\\ixyercwv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2936	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	ixyercwv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2936	2816	ixyercwv.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1712	sc.exe
2340	sc.exe
2764	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ixyercwv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 1708	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	30
PID 2584 wrote to memory of 1708	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	30
PID 2584 wrote to memory of 1708	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	30
PID 2584 wrote to memory of 1708	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	30
PID 2584 wrote to memory of 2540	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	32
PID 2584 wrote to memory of 2540	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	32
PID 2584 wrote to memory of 2540	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	32
PID 2584 wrote to memory of 2540	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	32
PID 2584 wrote to memory of 1712	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	34
PID 2584 wrote to memory of 1712	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	34
PID 2584 wrote to memory of 1712	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	34
PID 2584 wrote to memory of 1712	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	34
PID 2584 wrote to memory of 2340	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	36
PID 2584 wrote to memory of 2340	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	36
PID 2584 wrote to memory of 2340	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	36
PID 2584 wrote to memory of 2340	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	36
PID 2584 wrote to memory of 2764	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	38
PID 2584 wrote to memory of 2764	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	38
PID 2584 wrote to memory of 2764	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	38
PID 2584 wrote to memory of 2764	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	38
PID 2584 wrote to memory of 2876	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	41
PID 2584 wrote to memory of 2876	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	41
PID 2584 wrote to memory of 2876	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	41
PID 2584 wrote to memory of 2876	2584	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	41
PID 2816 wrote to memory of 2936	2816	ixyercwv.exe	43
PID 2816 wrote to memory of 2936	2816	ixyercwv.exe	43
PID 2816 wrote to memory of 2936	2816	ixyercwv.exe	43
PID 2816 wrote to memory of 2936	2816	ixyercwv.exe	43
PID 2816 wrote to memory of 2936	2816	ixyercwv.exe	43
PID 2816 wrote to memory of 2936	2816	ixyercwv.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cdnofojx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ixyercwv.exe" C:\Windows\SysWOW64\cdnofojx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2540
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cdnofojx binPath= "C:\Windows\SysWOW64\cdnofojx\ixyercwv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cdnofojx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2340
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cdnofojx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2764
- 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:2876

C:\Windows\SysWOW64\cdnofojx\ixyercwv.exe
C:\Windows\SysWOW64\cdnofojx\ixyercwv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2936

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

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Downloads

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

Filesize
11.4MB

MD5
b5f8031d8bd164f3420113c074c2870c

SHA1
c707a868ce3785c6bf50ed07a4056f6044c4314b

SHA256
d1b4ea3b4bea24732749418ac651ce4c5d096f5cd52776f8c64ee62bb3af388e

SHA512
dff6609e5efa1ffd0c49b6b00ef258a13ec2fca59eeddf5effaaf2dc7697666fff021d6050c98def1ad1c454d6dd239093d75610389f92d1d1c5870eae3db65c

Download Submit
memory/2584-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2584-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2584-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2584-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2584-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2584-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2584-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2816-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2936-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads