tofsee | 15a6a7d1b4839bcaa784303b0c9e05bce24f556efa0d36b05ef3eeeb87ba7805

General

Target

f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe
Size

10.0MB
MD5

f8da8c7403f48e779b019347774fe670
SHA1

34e5fb58342872225e0efa70ba9b1f0b8cd9655e
SHA256

15a6a7d1b4839bcaa784303b0c9e05bce24f556efa0d36b05ef3eeeb87ba7805
SHA512

eef7a2f01fd2c3a51c0de323e34e6f2ed5c509b713d7ed811baeb98d6990e9dbc1d6cfa99cf643cd229a19febcc1624ec3ad4525ff4d6657d4799d4327872a3c
SSDEEP

6144:UrZQVnJzxj5nP76vk7wQ6udJm1lzvGCUWlnpj:IZ2zxj5nPmRQ6QgjzOCnl

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\gqoibtix = "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

Processes:

netsh.exe

pid process

2640 netsh.exe

pid	process
2640	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\gqoibtix\ImagePath = "C:\\Windows\\SysWOW64\\gqoibtix\\qktdqtyk.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3000 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

qktdqtyk.exe

pid process

2820 qktdqtyk.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

qktdqtyk.exe

description pid process target process

PID 2820 set thread context of 3000 2820 qktdqtyk.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2620 sc.exe
2104 sc.exe
2840 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3000	svchost.exe

pid	process
2820	qktdqtyk.exe

description	pid	process	target process
PID 2820 set thread context of 3000	2820	qktdqtyk.exe	svchost.exe

pid	process
2620	sc.exe
2104	sc.exe
2840	sc.exe

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

Processes:

netsh.exe

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

Processes:

sc.exesc.exesvchost.execmd.exesc.exenetsh.exeqktdqtyk.exef8da8c7403f48e779b019347774fe670_JaffaCakes118.execmd.exe

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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qktdqtyk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f8da8c7403f48e779b019347774fe670_JaffaCakes118.exeqktdqtyk.exe

description	pid	process	target process
PID 2656 wrote to memory of 2296	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	cmd.exe
PID 2656 wrote to memory of 2296	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	cmd.exe
PID 2656 wrote to memory of 2296	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	cmd.exe
PID 2656 wrote to memory of 2296	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	cmd.exe
PID 2656 wrote to memory of 2736	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	cmd.exe
PID 2656 wrote to memory of 2736	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	cmd.exe
PID 2656 wrote to memory of 2736	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	cmd.exe
PID 2656 wrote to memory of 2736	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	cmd.exe
PID 2656 wrote to memory of 2620	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2620	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2620	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2620	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2104	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2104	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2104	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2104	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2840	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2840	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2840	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2840	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	sc.exe
PID 2656 wrote to memory of 2640	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	netsh.exe
PID 2656 wrote to memory of 2640	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	netsh.exe
PID 2656 wrote to memory of 2640	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	netsh.exe
PID 2656 wrote to memory of 2640	2656	f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe	netsh.exe
PID 2820 wrote to memory of 3000	2820	qktdqtyk.exe	svchost.exe
PID 2820 wrote to memory of 3000	2820	qktdqtyk.exe	svchost.exe
PID 2820 wrote to memory of 3000	2820	qktdqtyk.exe	svchost.exe
PID 2820 wrote to memory of 3000	2820	qktdqtyk.exe	svchost.exe
PID 2820 wrote to memory of 3000	2820	qktdqtyk.exe	svchost.exe
PID 2820 wrote to memory of 3000	2820	qktdqtyk.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gqoibtix\
2⤵
- System Location Discovery: System Language Discovery
PID:2296

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qktdqtyk.exe" C:\Windows\SysWOW64\gqoibtix\
2⤵
- System Location Discovery: System Language Discovery
PID:2736

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create gqoibtix binPath= "C:\Windows\SysWOW64\gqoibtix\qktdqtyk.exe /d\"C:\Users\Admin\AppData\Local\Temp\f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2620

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description gqoibtix "wifi internet conection"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2104

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start gqoibtix
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2840

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:2640

C:\Windows\SysWOW64\gqoibtix\qktdqtyk.exe
C:\Windows\SysWOW64\gqoibtix\qktdqtyk.exe /d"C:\Users\Admin\AppData\Local\Temp\f8da8c7403f48e779b019347774fe670_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820

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:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
11.3MB

MD5
3371e663bb0db0ff1b4ef964335d6f17

SHA1
0263ee6d78dca2ec68d6ae44fc5f2f51b4545218

SHA256
dd07ee1f57290bb2d52f103b56ba05d443ed39a9ad52769327871c7eca9572d4

SHA512
7b657c9ec1d987489b477a5a3e847a217f31afd21c7c5828da1429a713395bde81af2da4d799e0abb81fcf1f474dea0547c0769d7d52c12cf3efcd936fed281c

Download Submit
memory/2656-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2656-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2656-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2656-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2656-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2656-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/2820-17-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3000-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3000-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads