tofsee | 2932d1375f7ce5136745afb5dc14e6e5f152f56a88d558642da0477210295de6

General

Target

081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe
Size

12.6MB
MD5

081853711fac25c9e4e9dd1f53904ea6
SHA1

a9eaf8ac58ecf48212c41c2a20ed685f672af073
SHA256

2932d1375f7ce5136745afb5dc14e6e5f152f56a88d558642da0477210295de6
SHA512

ef3cb984af18928a2fd693d9f81b4c20b4e0287b20a02bfec90d2a701b7686b067f030f2e6b7e0b072028554f7bcd4ee9c9f54d46014d84486ea55a265461874
SSDEEP

6144:bO+iHJftwWCUT4sKKjAtqfXSg/dcjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjX:bO+iHJuWCcxpfXJd

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\dfgxoogu = "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

2636 netsh.exe

pid	process
2636	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\dfgxoogu\ImagePath = "C:\\Windows\\SysWOW64\\dfgxoogu\\gsnkrqqe.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2752 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

gsnkrqqe.exe

pid process

2720 gsnkrqqe.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

gsnkrqqe.exe

description pid process target process

PID 2720 set thread context of 2752 2720 gsnkrqqe.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

2708 sc.exe
2996 sc.exe
3044 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2752	svchost.exe

pid	process
2720	gsnkrqqe.exe

description	pid	process	target process
PID 2720 set thread context of 2752	2720	gsnkrqqe.exe	svchost.exe

pid	process
2708	sc.exe
2996	sc.exe
3044	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:

svchost.execmd.exesc.exesc.exegsnkrqqe.exe081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.execmd.exesc.exenetsh.exe

description	ioc	process
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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gsnkrqqe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.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

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exegsnkrqqe.exe

description	pid	process	target process
PID 2120 wrote to memory of 2688	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	cmd.exe
PID 2120 wrote to memory of 2688	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	cmd.exe
PID 2120 wrote to memory of 2688	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	cmd.exe
PID 2120 wrote to memory of 2688	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	cmd.exe
PID 2120 wrote to memory of 3060	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	cmd.exe
PID 2120 wrote to memory of 3060	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	cmd.exe
PID 2120 wrote to memory of 3060	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	cmd.exe
PID 2120 wrote to memory of 3060	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	cmd.exe
PID 2120 wrote to memory of 3044	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 3044	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 3044	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 3044	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 2708	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 2708	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 2708	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 2708	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 2996	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 2996	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 2996	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 2996	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	sc.exe
PID 2120 wrote to memory of 2636	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	netsh.exe
PID 2120 wrote to memory of 2636	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	netsh.exe
PID 2120 wrote to memory of 2636	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	netsh.exe
PID 2120 wrote to memory of 2636	2120	081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe	netsh.exe
PID 2720 wrote to memory of 2752	2720	gsnkrqqe.exe	svchost.exe
PID 2720 wrote to memory of 2752	2720	gsnkrqqe.exe	svchost.exe
PID 2720 wrote to memory of 2752	2720	gsnkrqqe.exe	svchost.exe
PID 2720 wrote to memory of 2752	2720	gsnkrqqe.exe	svchost.exe
PID 2720 wrote to memory of 2752	2720	gsnkrqqe.exe	svchost.exe
PID 2720 wrote to memory of 2752	2720	gsnkrqqe.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dfgxoogu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gsnkrqqe.exe" C:\Windows\SysWOW64\dfgxoogu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dfgxoogu binPath= "C:\Windows\SysWOW64\dfgxoogu\gsnkrqqe.exe /d\"C:\Users\Admin\AppData\Local\Temp\081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3044
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dfgxoogu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dfgxoogu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2996
- 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:2636

C:\Windows\SysWOW64\dfgxoogu\gsnkrqqe.exe
C:\Windows\SysWOW64\dfgxoogu\gsnkrqqe.exe /d"C:\Users\Admin\AppData\Local\Temp\081853711fac25c9e4e9dd1f53904ea6_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- 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:2752

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\gsnkrqqe.exe

Filesize
14.1MB

MD5
09bbf9738b0548e5c2d2bd166edb08a0

SHA1
782fc9bf38113e05489700f52476e1b67232440c

SHA256
435e04ef5c5819370497c84ba6836590ddd1d736832adc56c328ea1f13adc7c3

SHA512
681834c30dd4f35a045d45792bf8d5f133efdcb2a8059426fd0bb17bcd1c08229b8e87de159b90671e4930c49e78088463d51a69a8f4c645c605f1113f695735

Download Submit
memory/2120-8-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2120-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2120-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2120-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2120-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2120-1-0x0000000000900000-0x0000000000A00000-memory.dmp

Filesize
1024KB

Download
memory/2720-17-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2752-16-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2752-14-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2752-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-11-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2752-18-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads