tofsee | aab32afff9386da5026e13907bc9b3449ca79216b3bdf027a4f54a399dde7576

General

Target

d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe
Size

11.5MB
MD5

d8fee716b4673dbe2860a3cefb3ccf03
SHA1

1649c17a2b4c0d816aeba0b6759afa73b7b4a6d9
SHA256

aab32afff9386da5026e13907bc9b3449ca79216b3bdf027a4f54a399dde7576
SHA512

c8d20e8b80ea466e7ebf3a4b8303f27d9566bacd3614f6b36bca683dc5e54d5aca97aa66897bb70f50072f5d97de27c4702d57764d344399f1bee5e3ba6359b9
SSDEEP

3072:/oiqjV0QCeV75zMwb2EfDXTBrt0c5f+Z7ApWt+0krytpObPUfAGM4H1M4CjiJNx4:/oiqjWHeV9zthDjBrmA+VkDbSAgQiTx

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\mglymgfd = "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

2632 netsh.exe

pid	process
2632	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\mglymgfd\ImagePath = "C:\\Windows\\SysWOW64\\mglymgfd\\otphfiu.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

536 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

otphfiu.exe

pid process

2600 otphfiu.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

otphfiu.exe

description pid process target process

PID 2600 set thread context of 536 2600 otphfiu.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

2896 sc.exe
2724 sc.exe
2556 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
536	svchost.exe

pid	process
2600	otphfiu.exe

description	pid	process	target process
PID 2600 set thread context of 536	2600	otphfiu.exe	svchost.exe

pid	process
2896	sc.exe
2724	sc.exe
2556	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:

d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.execmd.exenetsh.exeotphfiu.execmd.exesc.exesc.exesc.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	otphfiu.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exeotphfiu.exe

description	pid	process	target process
PID 2684 wrote to memory of 2972	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	cmd.exe
PID 2684 wrote to memory of 2972	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	cmd.exe
PID 2684 wrote to memory of 2972	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	cmd.exe
PID 2684 wrote to memory of 2972	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	cmd.exe
PID 2684 wrote to memory of 2688	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	cmd.exe
PID 2684 wrote to memory of 2688	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	cmd.exe
PID 2684 wrote to memory of 2688	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	cmd.exe
PID 2684 wrote to memory of 2688	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	cmd.exe
PID 2684 wrote to memory of 2896	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2896	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2896	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2896	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2724	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2724	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2724	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2724	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2556	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2556	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2556	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2556	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	sc.exe
PID 2684 wrote to memory of 2632	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	netsh.exe
PID 2684 wrote to memory of 2632	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	netsh.exe
PID 2684 wrote to memory of 2632	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	netsh.exe
PID 2684 wrote to memory of 2632	2684	d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe	netsh.exe
PID 2600 wrote to memory of 536	2600	otphfiu.exe	svchost.exe
PID 2600 wrote to memory of 536	2600	otphfiu.exe	svchost.exe
PID 2600 wrote to memory of 536	2600	otphfiu.exe	svchost.exe
PID 2600 wrote to memory of 536	2600	otphfiu.exe	svchost.exe
PID 2600 wrote to memory of 536	2600	otphfiu.exe	svchost.exe
PID 2600 wrote to memory of 536	2600	otphfiu.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mglymgfd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\otphfiu.exe" C:\Windows\SysWOW64\mglymgfd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mglymgfd binPath= "C:\Windows\SysWOW64\mglymgfd\otphfiu.exe /d\"C:\Users\Admin\AppData\Local\Temp\d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mglymgfd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mglymgfd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2556
- 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:2632

C:\Windows\SysWOW64\mglymgfd\otphfiu.exe
C:\Windows\SysWOW64\mglymgfd\otphfiu.exe /d"C:\Users\Admin\AppData\Local\Temp\d8fee716b4673dbe2860a3cefb3ccf03_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- 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:536

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\otphfiu.exe

Filesize
14.8MB

MD5
02757ff99012c97c1ee58ea42baf45df

SHA1
bef14729829888a0beda93126d29a543fd556560

SHA256
6999c1de3792bd4fd36938cf955c53d745465fc175af411a89a55e09e1ca09bd

SHA512
9e88cc28098886bf8ece81226e904051d63c1ea7a55460b0aa83d96e4dd478df5c7e64561016231c3093ad53eb2bdf32a0c2d24c525129c66e1cbef577e429b9

Download Submit
memory/536-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/536-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/536-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/536-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/536-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2600-17-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2684-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2684-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2684-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2684-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2684-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2684-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads