tofsee | 9ba265e583e2305ddfa169aee1b7d2e8dda3c444c563e4c57bb824872c3f8063

General

Target

2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe
Size

14.3MB
MD5

2dbbbb6fb0dc0f225463a7423b11c464
SHA1

d07a60e5b2c4395af53bb49706a68f671bbfb7db
SHA256

9ba265e583e2305ddfa169aee1b7d2e8dda3c444c563e4c57bb824872c3f8063
SHA512

ca8ec58419213e42c91768e3b40b4fb02e1d76c4048f18d3104454e91600f072e534d1b0f0a33e01eb2c4658bf4a520e1507835ea1f28a08933291664d3eeba9
SSDEEP

24576:cJQyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy3:c

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\sldehibh = "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

2732 netsh.exe

pid	process
2732	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\sldehibh\ImagePath = "C:\\Windows\\SysWOW64\\sldehibh\\ubnajwxr.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3004 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ubnajwxr.exe

pid process

3044 ubnajwxr.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ubnajwxr.exe

description pid process target process

PID 3044 set thread context of 3004 3044 ubnajwxr.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

2748 sc.exe
2692 sc.exe
2660 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3004	svchost.exe

pid	process
3044	ubnajwxr.exe

description	pid	process	target process
PID 3044 set thread context of 3004	3044	ubnajwxr.exe	svchost.exe

pid	process
2748	sc.exe
2692	sc.exe
2660	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:

cmd.exesc.exesc.execmd.exesc.exenetsh.exeubnajwxr.exesvchost.exe2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe

description	ioc	process
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	ubnajwxr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exeubnajwxr.exe

description	pid	process	target process
PID 2916 wrote to memory of 2668	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	cmd.exe
PID 2916 wrote to memory of 2668	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	cmd.exe
PID 2916 wrote to memory of 2668	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	cmd.exe
PID 2916 wrote to memory of 2668	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	cmd.exe
PID 2916 wrote to memory of 2752	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	cmd.exe
PID 2916 wrote to memory of 2752	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	cmd.exe
PID 2916 wrote to memory of 2752	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	cmd.exe
PID 2916 wrote to memory of 2752	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	cmd.exe
PID 2916 wrote to memory of 2748	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2748	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2748	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2748	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2692	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2692	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2692	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2692	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2660	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2660	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2660	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2660	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	sc.exe
PID 2916 wrote to memory of 2732	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	netsh.exe
PID 2916 wrote to memory of 2732	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	netsh.exe
PID 2916 wrote to memory of 2732	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	netsh.exe
PID 2916 wrote to memory of 2732	2916	2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe	netsh.exe
PID 3044 wrote to memory of 3004	3044	ubnajwxr.exe	svchost.exe
PID 3044 wrote to memory of 3004	3044	ubnajwxr.exe	svchost.exe
PID 3044 wrote to memory of 3004	3044	ubnajwxr.exe	svchost.exe
PID 3044 wrote to memory of 3004	3044	ubnajwxr.exe	svchost.exe
PID 3044 wrote to memory of 3004	3044	ubnajwxr.exe	svchost.exe
PID 3044 wrote to memory of 3004	3044	ubnajwxr.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sldehibh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ubnajwxr.exe" C:\Windows\SysWOW64\sldehibh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sldehibh binPath= "C:\Windows\SysWOW64\sldehibh\ubnajwxr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sldehibh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sldehibh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2660
- 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:2732

C:\Windows\SysWOW64\sldehibh\ubnajwxr.exe
C:\Windows\SysWOW64\sldehibh\ubnajwxr.exe /d"C:\Users\Admin\AppData\Local\Temp\2dbbbb6fb0dc0f225463a7423b11c464_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- 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:3004

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
14.2MB

MD5
45b61bb99a897083d8932d9538a74a7e

SHA1
6edc66dd7849f07ecba1b53fd42bca31529b8bb5

SHA256
de7ae6769125e24810b135a1e81c633bc244f909136997e8272967ca0e250bbc

SHA512
ec69da75c096ffb346b3a6e71c6e58800e7cb65af0ed2290db1290549c8f6d004e6cb04e22ed77561ce8c03c7b5f487660df11638084e38d8b9370d8ae68e651

Download Submit
memory/2916-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2916-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/2916-4-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2916-9-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2916-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3004-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3004-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3004-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3004-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3004-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3044-17-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads