tofsee | ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 18:07

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General

Target

JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe
Size

164KB
MD5

ef9919f9069d7dbc5dd623483cb4cab5
SHA1

15dc95800da86f01c4ab3461f5d1549e3804d490
SHA256

ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121
SHA512

af859aa71534c3359e6dd88a86239046b34c43809a6cf35a067ab2bb114b509625f430ff7c24ddefbd5b16802cd12095cd224801102985607e3f73008eec9698
SSDEEP

1536:jJI8UMLeRaE1C6XYLrh8PLTCJdFoCEhpgtXsP+qrdeZQ5rRzBOGGtw1arhK5AICp:j1usACEj6Wz316K5LVau9VS9H6l

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\lmsoguqf = "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
2864	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\lmsoguqf\ImagePath = "C:\\Windows\\SysWOW64\\lmsoguqf\\ubecddth.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2780	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3036	ubecddth.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3036 set thread context of 2780	3036	ubecddth.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2272	sc.exe
2912	sc.exe
2752	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ubecddth.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2080	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	30
PID 2612 wrote to memory of 2080	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	30
PID 2612 wrote to memory of 2080	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	30
PID 2612 wrote to memory of 2080	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	30
PID 2612 wrote to memory of 2828	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	32
PID 2612 wrote to memory of 2828	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	32
PID 2612 wrote to memory of 2828	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	32
PID 2612 wrote to memory of 2828	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	32
PID 2612 wrote to memory of 2272	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	34
PID 2612 wrote to memory of 2272	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	34
PID 2612 wrote to memory of 2272	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	34
PID 2612 wrote to memory of 2272	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	34
PID 2612 wrote to memory of 2912	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	36
PID 2612 wrote to memory of 2912	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	36
PID 2612 wrote to memory of 2912	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	36
PID 2612 wrote to memory of 2912	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	36
PID 2612 wrote to memory of 2752	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	38
PID 2612 wrote to memory of 2752	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	38
PID 2612 wrote to memory of 2752	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	38
PID 2612 wrote to memory of 2752	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	38
PID 2612 wrote to memory of 2864	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	41
PID 2612 wrote to memory of 2864	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	41
PID 2612 wrote to memory of 2864	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	41
PID 2612 wrote to memory of 2864	2612	JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe	41
PID 3036 wrote to memory of 2780	3036	ubecddth.exe	43
PID 3036 wrote to memory of 2780	3036	ubecddth.exe	43
PID 3036 wrote to memory of 2780	3036	ubecddth.exe	43
PID 3036 wrote to memory of 2780	3036	ubecddth.exe	43
PID 3036 wrote to memory of 2780	3036	ubecddth.exe	43
PID 3036 wrote to memory of 2780	3036	ubecddth.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lmsoguqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ubecddth.exe" C:\Windows\SysWOW64\lmsoguqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lmsoguqf binPath= "C:\Windows\SysWOW64\lmsoguqf\ubecddth.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lmsoguqf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2912
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lmsoguqf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- 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:2864

C:\Windows\SysWOW64\lmsoguqf\ubecddth.exe
C:\Windows\SysWOW64\lmsoguqf\ubecddth.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee8971669604d991bb835184b977c9d2c7fb8d24da37d4c4006e12719578b121.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- 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:2780

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\ubecddth.exe

Filesize
14.5MB

MD5
fa41a10534b0b3585bf540b0dca2e949

SHA1
06b64eb076f3785d6d78374eb17d80f566326368

SHA256
636ff0c079856418cfb38637fb32f7682ebc50e8a043fc0dd59b8a95c6e4b7d7

SHA512
ff6a18761afca8eda26798f074f29eddc028abd0f8fa890fb34bb676ad77acf55768d70117b16a42f57a3464dcbaaa14df5731bddd2e3ada6f60c9d1a1e314a4

Download Submit
memory/2612-8-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2612-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2612-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2612-10-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2612-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2612-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2780-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3036-17-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads