tofsee | cae6e52eea1ab162fae910da0f3e05511e3dbdcef880c7b086bc957d02f4a03a

General

Target

fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe
Size

10.2MB
MD5

fc4c19c4f99d2dae23b8a3c779e0ca44
SHA1

7464b6fee5fcac8fe8fafbf979d84e2c2b0e8b0b
SHA256

cae6e52eea1ab162fae910da0f3e05511e3dbdcef880c7b086bc957d02f4a03a
SHA512

e0a5a3c551aa6fb4e7cde98610a5b1c8a2c9fd817d66ffe4f935074c245d9c09f5d49f6a00ec63f2c5ec6253978621dc033ad21619bed81e61eacd7dd5eaf1e4
SSDEEP

196608:Ydrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr:wrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrn

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
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
3624	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\nglaewp\ImagePath = "C:\\Windows\\SysWOW64\\nglaewp\\tamzivwq.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2956	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3728	tamzivwq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3728 set thread context of 2956	3728	tamzivwq.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
3328	sc.exe
1280	sc.exe
3948	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
1484	3124	WerFault.exe	81
320	3728	WerFault.exe	92

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	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	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tamzivwq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 1480	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	82
PID 3124 wrote to memory of 1480	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	82
PID 3124 wrote to memory of 1480	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	82
PID 3124 wrote to memory of 3780	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	84
PID 3124 wrote to memory of 3780	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	84
PID 3124 wrote to memory of 3780	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	84
PID 3124 wrote to memory of 1280	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	86
PID 3124 wrote to memory of 1280	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	86
PID 3124 wrote to memory of 1280	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	86
PID 3124 wrote to memory of 3948	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	88
PID 3124 wrote to memory of 3948	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	88
PID 3124 wrote to memory of 3948	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	88
PID 3124 wrote to memory of 3328	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	90
PID 3124 wrote to memory of 3328	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	90
PID 3124 wrote to memory of 3328	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	90
PID 3124 wrote to memory of 3624	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	93
PID 3124 wrote to memory of 3624	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	93
PID 3124 wrote to memory of 3624	3124	fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe	93
PID 3728 wrote to memory of 2956	3728	tamzivwq.exe	98
PID 3728 wrote to memory of 2956	3728	tamzivwq.exe	98
PID 3728 wrote to memory of 2956	3728	tamzivwq.exe	98
PID 3728 wrote to memory of 2956	3728	tamzivwq.exe	98
PID 3728 wrote to memory of 2956	3728	tamzivwq.exe	98

C:\Users\Admin\AppData\Local\Temp\fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nglaewp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tamzivwq.exe" C:\Windows\SysWOW64\nglaewp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3780
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nglaewp binPath= "C:\Windows\SysWOW64\nglaewp\tamzivwq.exe /d\"C:\Users\Admin\AppData\Local\Temp\fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1280
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nglaewp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nglaewp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3328
- 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:3624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 1044
  2⤵
  - Program crash
  PID:1484

C:\Windows\SysWOW64\nglaewp\tamzivwq.exe
C:\Windows\SysWOW64\nglaewp\tamzivwq.exe /d"C:\Users\Admin\AppData\Local\Temp\fc4c19c4f99d2dae23b8a3c779e0ca44_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 508
  2⤵
  - Program crash
  PID:320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3124 -ip 3124
1⤵
PID:3092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3728 -ip 3728
1⤵
PID:244

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

Replay Monitor

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Downloads

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

Filesize
11.4MB

MD5
8636fe37dc8a9436c090a3f47cc99079

SHA1
8ee3b5d7ea8d2ff4cbb9c180c77d62387eb3a573

SHA256
1adcc70466bfe18f9e3b11c8c7eac95a056f5c4b3e2182c240220c724da6208c

SHA512
19e4428bc7c1b72d835da149977fe8a2ed6717beaf5bd95c97772061ac562653d13e560bd0ef16a257667d666c534d95765966e3ba75457b5a36c2ff6b7004af

Download Submit
memory/2956-14-0x0000000000D90000-0x0000000000DA5000-memory.dmp

Filesize
84KB

Download
memory/2956-17-0x0000000000D90000-0x0000000000DA5000-memory.dmp

Filesize
84KB

Download
memory/2956-16-0x0000000000D90000-0x0000000000DA5000-memory.dmp

Filesize
84KB

Download
memory/3124-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3124-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3124-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/3124-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3124-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3124-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3728-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3728-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3728-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3728-18-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads