tofsee | 665f67bbebb566cefe67f0ffbf743e93509211b8a490bf132d232d020d55e5f2

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
10-01-2025 16:40

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General

Target

JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe
Size

10.1MB
MD5

e90b90af3f600eb0030f10f43fc1e213
SHA1

c64fe5d5de7582aa3362bff12bff069ab030f2f2
SHA256

665f67bbebb566cefe67f0ffbf743e93509211b8a490bf132d232d020d55e5f2
SHA512

9d2cae9099cafabf1107240e52c6647c3caae6014493fdae0e6b07ac4a42300d1b79c2f034f8bb3f7a28e5cee5246127ab46bd5a92689cd0bb5d17d91b9d8efe
SSDEEP

49152:Q77777777777777777777777777777777777777777777777777777777777777X:

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\dtflizzc = "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
1732	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\dtflizzc\ImagePath = "C:\\Windows\\SysWOW64\\dtflizzc\\phzgfwho.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3056	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	phzgfwho.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 3056	2308	phzgfwho.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
3028	sc.exe
2936	sc.exe
2944	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	phzgfwho.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2188	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	28
PID 2284 wrote to memory of 2188	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	28
PID 2284 wrote to memory of 2188	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	28
PID 2284 wrote to memory of 2188	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	28
PID 2284 wrote to memory of 1988	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	30
PID 2284 wrote to memory of 1988	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	30
PID 2284 wrote to memory of 1988	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	30
PID 2284 wrote to memory of 1988	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	30
PID 2284 wrote to memory of 2936	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	32
PID 2284 wrote to memory of 2936	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	32
PID 2284 wrote to memory of 2936	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	32
PID 2284 wrote to memory of 2936	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	32
PID 2284 wrote to memory of 2944	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	34
PID 2284 wrote to memory of 2944	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	34
PID 2284 wrote to memory of 2944	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	34
PID 2284 wrote to memory of 2944	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	34
PID 2284 wrote to memory of 3028	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	36
PID 2284 wrote to memory of 3028	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	36
PID 2284 wrote to memory of 3028	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	36
PID 2284 wrote to memory of 3028	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	36
PID 2284 wrote to memory of 1732	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	39
PID 2284 wrote to memory of 1732	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	39
PID 2284 wrote to memory of 1732	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	39
PID 2284 wrote to memory of 1732	2284	JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe	39
PID 2308 wrote to memory of 3056	2308	phzgfwho.exe	41
PID 2308 wrote to memory of 3056	2308	phzgfwho.exe	41
PID 2308 wrote to memory of 3056	2308	phzgfwho.exe	41
PID 2308 wrote to memory of 3056	2308	phzgfwho.exe	41
PID 2308 wrote to memory of 3056	2308	phzgfwho.exe	41
PID 2308 wrote to memory of 3056	2308	phzgfwho.exe	41

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dtflizzc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2188
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\phzgfwho.exe" C:\Windows\SysWOW64\dtflizzc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dtflizzc binPath= "C:\Windows\SysWOW64\dtflizzc\phzgfwho.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2936
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dtflizzc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dtflizzc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3028
- 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:1732

C:\Windows\SysWOW64\dtflizzc\phzgfwho.exe
C:\Windows\SysWOW64\dtflizzc\phzgfwho.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e90b90af3f600eb0030f10f43fc1e213.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- 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:3056

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\phzgfwho.exe

Filesize
14.0MB

MD5
4edc3fc1c163512e19e1ab3f5e382704

SHA1
6c7d7725d4c752c9caddbdf6792dce29fcc2fa1a

SHA256
76437c6f268b08cf3dc46a1f779812dee48edee8f942d178b2e49f172cbe42e2

SHA512
58b067c669707a643bdf00148f7d1aec3f70b570496a9b42d89df1683f236721aff730ba3da3267afabf36a66d75028ff832c6f5dde3ef21993f3a50714a669f

Download Submit
memory/2284-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2284-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2284-4-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2284-9-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2284-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2308-17-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/3056-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3056-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads