tofsee | 8de7a9b847f9881f6c472acb4d995ec487c7bd2099d50338f474468f6c02599b

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 02:28

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General

Target

JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe
Size

12.9MB
MD5

485037fcdfbbc9e974b35af5afaa2e35
SHA1

533313aa52b4c2c91e1120bb3bf141a15a439717
SHA256

8de7a9b847f9881f6c472acb4d995ec487c7bd2099d50338f474468f6c02599b
SHA512

b3b3a790b4d635f8c37eecb5431587521fefc83172ad65fd065e5752bb2ae7f2e53f46f039d2626185c05926e9155c5deb6bcaf685dd49f7c8656fc72305e071
SSDEEP

49152:cxYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY0:c

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\pilviqlm = "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
2752	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\pilviqlm\ImagePath = "C:\\Windows\\SysWOW64\\pilviqlm\\wjspqvhu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2668	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	wjspqvhu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2668	2700	wjspqvhu.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2356	sc.exe
2068	sc.exe
2644	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	netsh.exe
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	wjspqvhu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1972	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	30
PID 2972 wrote to memory of 1972	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	30
PID 2972 wrote to memory of 1972	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	30
PID 2972 wrote to memory of 1972	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	30
PID 2972 wrote to memory of 1932	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	32
PID 2972 wrote to memory of 1932	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	32
PID 2972 wrote to memory of 1932	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	32
PID 2972 wrote to memory of 1932	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	32
PID 2972 wrote to memory of 2356	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	34
PID 2972 wrote to memory of 2356	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	34
PID 2972 wrote to memory of 2356	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	34
PID 2972 wrote to memory of 2356	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	34
PID 2972 wrote to memory of 2068	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	36
PID 2972 wrote to memory of 2068	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	36
PID 2972 wrote to memory of 2068	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	36
PID 2972 wrote to memory of 2068	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	36
PID 2972 wrote to memory of 2644	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	38
PID 2972 wrote to memory of 2644	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	38
PID 2972 wrote to memory of 2644	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	38
PID 2972 wrote to memory of 2644	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	38
PID 2972 wrote to memory of 2752	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	41
PID 2972 wrote to memory of 2752	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	41
PID 2972 wrote to memory of 2752	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	41
PID 2972 wrote to memory of 2752	2972	JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe	41
PID 2700 wrote to memory of 2668	2700	wjspqvhu.exe	44
PID 2700 wrote to memory of 2668	2700	wjspqvhu.exe	44
PID 2700 wrote to memory of 2668	2700	wjspqvhu.exe	44
PID 2700 wrote to memory of 2668	2700	wjspqvhu.exe	44
PID 2700 wrote to memory of 2668	2700	wjspqvhu.exe	44
PID 2700 wrote to memory of 2668	2700	wjspqvhu.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pilviqlm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wjspqvhu.exe" C:\Windows\SysWOW64\pilviqlm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pilviqlm binPath= "C:\Windows\SysWOW64\pilviqlm\wjspqvhu.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2356
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pilviqlm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pilviqlm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2644
- 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:2752

C:\Windows\SysWOW64\pilviqlm\wjspqvhu.exe
C:\Windows\SysWOW64\pilviqlm\wjspqvhu.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_485037fcdfbbc9e974b35af5afaa2e35.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- 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:2668

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\wjspqvhu.exe

Filesize
11.1MB

MD5
12bf0ea638bbcde16ff783fb5b1d0097

SHA1
084fc2de8ac0d2f77379c3285759ac2dba3d6362

SHA256
e5182e95785a19ec3140d30acd41ceca42561438d8cd2de94b5d601f3a7cb96c

SHA512
7d34cb4a39cab640e0b8d5da39ddedbba787291b5239ec7a6321a8514ff6f7a0501263b0f51df10ba5dd1e41e50915c935666ee986216e2b11bc919cfd53e7d0

Download Submit
memory/2668-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2668-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2668-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2668-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2700-17-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2972-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2972-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2972-4-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2972-9-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2972-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads