tofsee | 641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64

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
25-12-2024 04:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe
Size

327KB
MD5

183b564ef508bf5b3575f43329997ce9
SHA1

5d0daf1744b511f140f8f90c7b60703f4e8ed8e2
SHA256

641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64
SHA512

4a181d1b55956cf24330b634481e15cdff6c9257ca977c2ee98cb1c47dad2f8e9eed7f1dcac7a97bc321a3fdc0cdefacccffc590588516bdc681444da4e58c9c
SSDEEP

6144:wA6pBYkTkm2Uaq3eA+OuVRok7hjl1vcOa0:GpRTkmBaSeA+poyp7

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\jrzdymai = "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
2764	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\jrzdymai\ImagePath = "C:\\Windows\\SysWOW64\\jrzdymai\\jbtazqbi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2636	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	jbtazqbi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 2636	3064	jbtazqbi.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2116	sc.exe
2908	sc.exe
2064	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jbtazqbi.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2404	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	30
PID 2904 wrote to memory of 2404	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	30
PID 2904 wrote to memory of 2404	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	30
PID 2904 wrote to memory of 2404	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	30
PID 2904 wrote to memory of 2464	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	32
PID 2904 wrote to memory of 2464	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	32
PID 2904 wrote to memory of 2464	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	32
PID 2904 wrote to memory of 2464	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	32
PID 2904 wrote to memory of 2116	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	34
PID 2904 wrote to memory of 2116	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	34
PID 2904 wrote to memory of 2116	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	34
PID 2904 wrote to memory of 2116	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	34
PID 2904 wrote to memory of 2908	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	36
PID 2904 wrote to memory of 2908	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	36
PID 2904 wrote to memory of 2908	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	36
PID 2904 wrote to memory of 2908	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	36
PID 2904 wrote to memory of 2064	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	38
PID 2904 wrote to memory of 2064	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	38
PID 2904 wrote to memory of 2064	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	38
PID 2904 wrote to memory of 2064	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	38
PID 2904 wrote to memory of 2764	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	41
PID 2904 wrote to memory of 2764	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	41
PID 2904 wrote to memory of 2764	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	41
PID 2904 wrote to memory of 2764	2904	JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe	41
PID 3064 wrote to memory of 2636	3064	jbtazqbi.exe	44
PID 3064 wrote to memory of 2636	3064	jbtazqbi.exe	44
PID 3064 wrote to memory of 2636	3064	jbtazqbi.exe	44
PID 3064 wrote to memory of 2636	3064	jbtazqbi.exe	44
PID 3064 wrote to memory of 2636	3064	jbtazqbi.exe	44
PID 3064 wrote to memory of 2636	3064	jbtazqbi.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jrzdymai\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jbtazqbi.exe" C:\Windows\SysWOW64\jrzdymai\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jrzdymai binPath= "C:\Windows\SysWOW64\jrzdymai\jbtazqbi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jrzdymai "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jrzdymai
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2064
- 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:2764

C:\Windows\SysWOW64\jrzdymai\jbtazqbi.exe
C:\Windows\SysWOW64\jrzdymai\jbtazqbi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_641305c8da92fc65607cb1fa662e20e76051d4e5718b951dac76fe9f1952fd64.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- 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:2636

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\jbtazqbi.exe

Filesize
14.5MB

MD5
5657666491fb4d1dcb3bb9cf2e040f7d

SHA1
d7f73429f5503b40ee78ca2c489f484dcddeef4f

SHA256
ed24aa4eb6e6c0d93f0bc59a4ca30a4ea09b06cc2bd5cd8ff37ae493520f9f7f

SHA512
31b620f54491e3265b96afcd46e9b9842910659c0e8e8a5e3e3a4fde9e30ad81456ae72f15510ac101102e33877fe87d92406f4e297cd5112c88f646f2fb5e1c

Download Submit
memory/2636-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2636-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2636-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2636-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2904-1-0x0000000002450000-0x0000000002550000-memory.dmp

Filesize
1024KB

Download
memory/2904-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2904-4-0x0000000000400000-0x00000000023A9000-memory.dmp

Filesize
31.7MB

Download
memory/2904-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2904-8-0x0000000000400000-0x00000000023A9000-memory.dmp

Filesize
31.7MB

Download
memory/3064-16-0x0000000000400000-0x00000000023A9000-memory.dmp

Filesize
31.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads