tofsee | 03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498

General

Target

JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe
Size

158KB
MD5

e66711396e9e59bd6e7af4fbc5edffc9
SHA1

3b959a56c5e50b57f0dafd949b3acbcbad0fdc63
SHA256

03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498
SHA512

18b7b47268aa87f41403ddcd394fc8ad141b215c7e3ea874ebfc6fc645c877d90221487d371b9c2c58d5ddbe3ef21099d88b0088215c0637115d6f6840b3a6ec
SSDEEP

1536:qaCl+iglHErWOeaAnDt45cNQ6nVGAkzKVuMqYlHHKLoPv+FoU/WlLFD2b31Xls2K:5FqSV7W5D6uMqqHaQv++LFD2bFi2fPq

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
2960	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\icifvnmb\ImagePath = "C:\\Windows\\SysWOW64\\icifvnmb\\bgfdtzix.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe

Deletes itself 1 IoCs

pid	Process
3224	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	bgfdtzix.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 3224	2744	bgfdtzix.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
4784	sc.exe
3424	sc.exe
2964	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
976	3900	WerFault.exe	82
3148	2744	WerFault.exe	94

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.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	bgfdtzix.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3900 wrote to memory of 4148	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	83
PID 3900 wrote to memory of 4148	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	83
PID 3900 wrote to memory of 4148	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	83
PID 3900 wrote to memory of 3484	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	85
PID 3900 wrote to memory of 3484	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	85
PID 3900 wrote to memory of 3484	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	85
PID 3900 wrote to memory of 4784	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	87
PID 3900 wrote to memory of 4784	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	87
PID 3900 wrote to memory of 4784	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	87
PID 3900 wrote to memory of 3424	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	89
PID 3900 wrote to memory of 3424	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	89
PID 3900 wrote to memory of 3424	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	89
PID 3900 wrote to memory of 2964	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	91
PID 3900 wrote to memory of 2964	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	91
PID 3900 wrote to memory of 2964	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	91
PID 2744 wrote to memory of 3224	2744	bgfdtzix.exe	95
PID 2744 wrote to memory of 3224	2744	bgfdtzix.exe	95
PID 2744 wrote to memory of 3224	2744	bgfdtzix.exe	95
PID 2744 wrote to memory of 3224	2744	bgfdtzix.exe	95
PID 2744 wrote to memory of 3224	2744	bgfdtzix.exe	95
PID 3900 wrote to memory of 2960	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	99
PID 3900 wrote to memory of 2960	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	99
PID 3900 wrote to memory of 2960	3900	JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\icifvnmb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bgfdtzix.exe" C:\Windows\SysWOW64\icifvnmb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create icifvnmb binPath= "C:\Windows\SysWOW64\icifvnmb\bgfdtzix.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4784
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description icifvnmb "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 icifvnmb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2964
- 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:2960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 1188
  2⤵
  - Program crash
  PID:976

C:\Windows\SysWOW64\icifvnmb\bgfdtzix.exe
C:\Windows\SysWOW64\icifvnmb\bgfdtzix.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03fd0195f7f5445ad12b2e63c3ad7684e90553c779117da8bb7c9876c38aa498.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 516
  2⤵
  - Program crash
  PID:3148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2744 -ip 2744
1⤵
PID:2628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3900 -ip 3900
1⤵
PID:4804

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\bgfdtzix.exe

Filesize
11.4MB

MD5
cce63ab16ded2a0fe97b8e6a6297ba7c

SHA1
e4c9a17b0f524775d19784cab469f9c6fd112756

SHA256
6a15458f99dbd948c73dfda526ab8818a7cadf6474c191fd0e34fede0cbc0ccc

SHA512
69a4407d1085590f91e6779ede049c3c9936081ec33ca33fe4d8d394c3e4039bdf3701da4bdbd36b87b762da994abd805ee128c523242648c546809958b702f5

Download Submit
memory/2744-7-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2744-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2744-8-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2744-6-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3224-12-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3224-9-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3224-19-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3224-20-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3224-21-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3900-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3900-0-0x00000000006E0000-0x00000000006ED000-memory.dmp

Filesize
52KB

Download
memory/3900-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3900-15-0x00000000006F0000-0x0000000000703000-memory.dmp

Filesize
76KB

Download
memory/3900-1-0x00000000006F0000-0x0000000000703000-memory.dmp

Filesize
76KB

Download
memory/3900-14-0x00000000006E0000-0x00000000006ED000-memory.dmp

Filesize
52KB

Download
memory/3900-13-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads