tofsee | 9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887

General

Target

JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe
Size

179KB
MD5

091abd4eddf1fce2d33a6b066453e4c9
SHA1

de05a70e3dca3ce6a0b64cb6adca073248302840
SHA256

9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887
SHA512

4406692d65a81517a19d14cf082ebe9f40bf41dbf43d3c4ae44efc4eff46f1580ebfee0e43c1fe52bad36a9fae2f2d32f2bf004b81ae051a82f42ebf7f5c9971
SSDEEP

3072:l744SpmfTOqHTO8nYzvoI+6+gNU22HNgesS5nXm:MmfTO0Vn0oxXga2QudmX

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
3992	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\ludtinxy\ImagePath = "C:\\Windows\\SysWOW64\\ludtinxy\\hjdsokgx.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe

Deletes itself 1 IoCs

pid	Process
2832	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4712	hjdsokgx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4712 set thread context of 2832	4712	hjdsokgx.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
5064	sc.exe
3424	sc.exe
1252	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2620	4712	WerFault.exe	94
4840	3396	WerFault.exe	82

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	hjdsokgx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.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	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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 1760	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	83
PID 3396 wrote to memory of 1760	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	83
PID 3396 wrote to memory of 1760	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	83
PID 3396 wrote to memory of 4152	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	85
PID 3396 wrote to memory of 4152	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	85
PID 3396 wrote to memory of 4152	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	85
PID 3396 wrote to memory of 5064	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	87
PID 3396 wrote to memory of 5064	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	87
PID 3396 wrote to memory of 5064	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	87
PID 3396 wrote to memory of 3424	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	89
PID 3396 wrote to memory of 3424	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	89
PID 3396 wrote to memory of 3424	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	89
PID 3396 wrote to memory of 1252	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	92
PID 3396 wrote to memory of 1252	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	92
PID 3396 wrote to memory of 1252	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	92
PID 3396 wrote to memory of 3992	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	95
PID 3396 wrote to memory of 3992	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	95
PID 3396 wrote to memory of 3992	3396	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	95
PID 4712 wrote to memory of 2832	4712	hjdsokgx.exe	100
PID 4712 wrote to memory of 2832	4712	hjdsokgx.exe	100
PID 4712 wrote to memory of 2832	4712	hjdsokgx.exe	100
PID 4712 wrote to memory of 2832	4712	hjdsokgx.exe	100
PID 4712 wrote to memory of 2832	4712	hjdsokgx.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ludtinxy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hjdsokgx.exe" C:\Windows\SysWOW64\ludtinxy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4152
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ludtinxy binPath= "C:\Windows\SysWOW64\ludtinxy\hjdsokgx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ludtinxy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ludtinxy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1252
- 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:3992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 1040
  2⤵
  - Program crash
  PID:4840

C:\Windows\SysWOW64\ludtinxy\hjdsokgx.exe
C:\Windows\SysWOW64\ludtinxy\hjdsokgx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 536
  2⤵
  - Program crash
  PID:2620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3396 -ip 3396
1⤵
PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4712 -ip 4712
1⤵
PID:1572

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\hjdsokgx.exe

Filesize
14.5MB

MD5
ea7ca9025867397830606449b7ffb61e

SHA1
3cd0b43fdccb50678ca9e631d966ffa2a8a3cd60

SHA256
232a83dd7dcf347a848bccf2fddc21150d33e5e45a98e8b748b80dbcd562f48f

SHA512
319f2cba50b546d6ccea6c28b01942b82745aa3574e6529e70d1c67488419e2055467466f4ed3b9e25fc71e8e87e55e37cf51b28df20b82c2b4ef1cafe8aa8fb

Download Submit
memory/2832-9-0x00000000010D0000-0x00000000010E5000-memory.dmp

Filesize
84KB

Download
memory/2832-21-0x00000000010D0000-0x00000000010E5000-memory.dmp

Filesize
84KB

Download
memory/2832-20-0x00000000010D0000-0x00000000010E5000-memory.dmp

Filesize
84KB

Download
memory/2832-19-0x00000000010D0000-0x00000000010E5000-memory.dmp

Filesize
84KB

Download
memory/2832-12-0x00000000010D0000-0x00000000010E5000-memory.dmp

Filesize
84KB

Download
memory/3396-17-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/3396-15-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3396-16-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/3396-0-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/3396-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3396-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3396-1-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/4712-8-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4712-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4712-14-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4712-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads