tofsee | 98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 09:29

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General

Target

JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe
Size

160KB
MD5

7bb2733e97ba152441a12ce8af74aaed
SHA1

24909286b6b30a7eacf9ea85d801025758c2855c
SHA256

98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3
SHA512

e3169bac012d03ef8f7b40646c77e5298f8977ed3dd87f320c43e0b75f709c6f461216ca85e644cc1d7f3d3aa4dd4fdf0853cbcd0aa05f2730b1e71561db7dbc
SSDEEP

1536:fae1yygZJ4PWKemQPvB450xEmnVGgkwyYsZSn/wnmwophe6e2SohlD222CHRPARx:a1AuRzSdDYsI/wnrsBSohN21CH9ARo2

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\sllvxoiq = "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
2924	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\sllvxoiq\ImagePath = "C:\\Windows\\SysWOW64\\sllvxoiq\\vocogacp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2848	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	vocogacp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 2848	2748	vocogacp.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2224	sc.exe
2884	sc.exe
320	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vocogacp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.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 2388 wrote to memory of 3032	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	30
PID 2388 wrote to memory of 3032	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	30
PID 2388 wrote to memory of 3032	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	30
PID 2388 wrote to memory of 3032	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	30
PID 2388 wrote to memory of 1452	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	32
PID 2388 wrote to memory of 1452	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	32
PID 2388 wrote to memory of 1452	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	32
PID 2388 wrote to memory of 1452	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	32
PID 2388 wrote to memory of 2224	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	34
PID 2388 wrote to memory of 2224	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	34
PID 2388 wrote to memory of 2224	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	34
PID 2388 wrote to memory of 2224	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	34
PID 2388 wrote to memory of 2884	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	36
PID 2388 wrote to memory of 2884	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	36
PID 2388 wrote to memory of 2884	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	36
PID 2388 wrote to memory of 2884	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	36
PID 2388 wrote to memory of 320	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	38
PID 2388 wrote to memory of 320	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	38
PID 2388 wrote to memory of 320	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	38
PID 2388 wrote to memory of 320	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	38
PID 2748 wrote to memory of 2848	2748	vocogacp.exe	41
PID 2748 wrote to memory of 2848	2748	vocogacp.exe	41
PID 2748 wrote to memory of 2848	2748	vocogacp.exe	41
PID 2748 wrote to memory of 2848	2748	vocogacp.exe	41
PID 2748 wrote to memory of 2848	2748	vocogacp.exe	41
PID 2748 wrote to memory of 2848	2748	vocogacp.exe	41
PID 2388 wrote to memory of 2924	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	42
PID 2388 wrote to memory of 2924	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	42
PID 2388 wrote to memory of 2924	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	42
PID 2388 wrote to memory of 2924	2388	JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sllvxoiq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vocogacp.exe" C:\Windows\SysWOW64\sllvxoiq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1452
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sllvxoiq binPath= "C:\Windows\SysWOW64\sllvxoiq\vocogacp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2224
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sllvxoiq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sllvxoiq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:320
- 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:2924

C:\Windows\SysWOW64\sllvxoiq\vocogacp.exe
C:\Windows\SysWOW64\sllvxoiq\vocogacp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98a711617a2ec118caeb49fadc1e28e233e556d5ab21d39def5f7219fb50ddf3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- 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:2848

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\vocogacp.exe

Filesize
13.9MB

MD5
df5962c326e77b0aeefdafff56f1a446

SHA1
3f35df30116f4e4ed0a6eba11e817a98982471d2

SHA256
d82e3103f9c11e83b0ac6daa6829dcfc584e5d396fb5ad3ed6f2688139c37166

SHA512
a827a4aa311eac9424f388a9785fa93af13c1da94070a6542b19959e162bd1ca55e05f51cb94bdf8f69368899363b643c50f9cb5d3e598935d6bf0fb7c894145

Download Submit
memory/2388-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2388-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2388-1-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2388-12-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2388-0-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2388-14-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2388-13-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2748-11-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2848-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-6-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads