tofsee | a3eb89c5fe1e820b0ba694c4aeab1351999630b490d988b4dd698753ab8eb7dc

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 03:03

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General

Target

JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe
Size

333KB
MD5

f53aeee66a0b0dc9cdf6dd537f48287c
SHA1

e7e29654829306c7c1633190833d1fe8fc0c44b5
SHA256

a3eb89c5fe1e820b0ba694c4aeab1351999630b490d988b4dd698753ab8eb7dc
SHA512

6d7a5f77650886803623ae6c3f7aae73a6a4d641b47cbe4707df91d5ed150b55da4a79be0abcdaa4ad2418037579abf966baf451c56eeb41c1a1183916eba04a
SSDEEP

6144:/Q41aFOBM9gLaaxfOcWB4KsjKTzcbbyXoAsy6mOnbe3q:o44FuX+axfOcWKhjKncb+vsTmql

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\ncldkpqe = "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
2724	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\ncldkpqe\ImagePath = "C:\\Windows\\SysWOW64\\ncldkpqe\\jkisvote.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2624	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2800	jkisvote.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2800 set thread context of 2624	2800	jkisvote.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2692	sc.exe
2808	sc.exe
1864	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	cmd.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	jkisvote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 2536	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	30
PID 1896 wrote to memory of 2536	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	30
PID 1896 wrote to memory of 2536	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	30
PID 1896 wrote to memory of 2536	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	30
PID 1896 wrote to memory of 1964	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	32
PID 1896 wrote to memory of 1964	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	32
PID 1896 wrote to memory of 1964	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	32
PID 1896 wrote to memory of 1964	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	32
PID 1896 wrote to memory of 1864	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	34
PID 1896 wrote to memory of 1864	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	34
PID 1896 wrote to memory of 1864	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	34
PID 1896 wrote to memory of 1864	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	34
PID 1896 wrote to memory of 2692	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	36
PID 1896 wrote to memory of 2692	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	36
PID 1896 wrote to memory of 2692	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	36
PID 1896 wrote to memory of 2692	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	36
PID 1896 wrote to memory of 2808	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	38
PID 1896 wrote to memory of 2808	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	38
PID 1896 wrote to memory of 2808	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	38
PID 1896 wrote to memory of 2808	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	38
PID 1896 wrote to memory of 2724	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	41
PID 1896 wrote to memory of 2724	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	41
PID 1896 wrote to memory of 2724	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	41
PID 1896 wrote to memory of 2724	1896	JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe	41
PID 2800 wrote to memory of 2624	2800	jkisvote.exe	43
PID 2800 wrote to memory of 2624	2800	jkisvote.exe	43
PID 2800 wrote to memory of 2624	2800	jkisvote.exe	43
PID 2800 wrote to memory of 2624	2800	jkisvote.exe	43
PID 2800 wrote to memory of 2624	2800	jkisvote.exe	43
PID 2800 wrote to memory of 2624	2800	jkisvote.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ncldkpqe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jkisvote.exe" C:\Windows\SysWOW64\ncldkpqe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ncldkpqe binPath= "C:\Windows\SysWOW64\ncldkpqe\jkisvote.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1864
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ncldkpqe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ncldkpqe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- 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:2724

C:\Windows\SysWOW64\ncldkpqe\jkisvote.exe
C:\Windows\SysWOW64\ncldkpqe\jkisvote.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f53aeee66a0b0dc9cdf6dd537f48287c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800
- 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:2624

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\jkisvote.exe

Filesize
14.3MB

MD5
20fc2f3408556c47e46f00f94bb81093

SHA1
91ab6dbe7f4dfb6e9d944c790379870a581ed814

SHA256
cac337fbddee9c8c955cfc93994d72348165f6837eb3b8761446f0effcd65df0

SHA512
74eca71226419b2778ba9eec5c703b94560ccd8b8f6cbafc35eb8541f689f2d4b216c78c77c7abb27b46e19a1aa00e45c9d3bb9789f369470336c5eeeba3f9c8

Download Submit
memory/1896-11-0x0000000000850000-0x0000000000950000-memory.dmp

Filesize
1024KB

Download
memory/1896-4-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1896-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1896-9-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1896-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1896-1-0x0000000000850000-0x0000000000950000-memory.dmp

Filesize
1024KB

Download
memory/2624-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2624-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2624-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-12-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2624-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2800-17-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads