tofsee | 0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa

General

Target

JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe
Size

159KB
MD5

e54caf8c5b1fefb3289f1c743775a7f7
SHA1

9af113a01ef46432502ab37f61e7a8fa15479a7a
SHA256

0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa
SHA512

fef0022c4d1f2c85adec44138ef89e1a2bd6117892dc1ebf5d21866828b3c3c7d0f5fdb97f5b2d965873aca280a923e781ea3c69988fd6b43c5f55b9bc1becc3
SSDEEP

3072:J7+69EJhEjeblBHZ57ODtgNQT0kP+NN34Pu3/d042XL:FEJhEjeRV7ODMkP+NK2d0P

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
1696	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\vlvrceau\ImagePath = "C:\\Windows\\SysWOW64\\vlvrceau\\ncdjwhba.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe

Deletes itself 1 IoCs

pid	Process
4784	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	ncdjwhba.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 4784	2752	ncdjwhba.exe	93

Launches sc.exe 3 IoCs

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

pid	Process
1104	sc.exe
3860	sc.exe
2980	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
2736	4752	WerFault.exe	81
5036	2752	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	ncdjwhba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 3152	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	82
PID 4752 wrote to memory of 3152	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	82
PID 4752 wrote to memory of 3152	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	82
PID 4752 wrote to memory of 3448	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	84
PID 4752 wrote to memory of 3448	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	84
PID 4752 wrote to memory of 3448	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	84
PID 4752 wrote to memory of 1104	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	86
PID 4752 wrote to memory of 1104	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	86
PID 4752 wrote to memory of 1104	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	86
PID 4752 wrote to memory of 3860	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	88
PID 4752 wrote to memory of 3860	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	88
PID 4752 wrote to memory of 3860	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	88
PID 4752 wrote to memory of 2980	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	90
PID 4752 wrote to memory of 2980	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	90
PID 4752 wrote to memory of 2980	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	90
PID 2752 wrote to memory of 4784	2752	ncdjwhba.exe	93
PID 2752 wrote to memory of 4784	2752	ncdjwhba.exe	93
PID 2752 wrote to memory of 4784	2752	ncdjwhba.exe	93
PID 2752 wrote to memory of 4784	2752	ncdjwhba.exe	93
PID 2752 wrote to memory of 4784	2752	ncdjwhba.exe	93
PID 4752 wrote to memory of 1696	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	95
PID 4752 wrote to memory of 1696	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	95
PID 4752 wrote to memory of 1696	4752	JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vlvrceau\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ncdjwhba.exe" C:\Windows\SysWOW64\vlvrceau\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3448
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vlvrceau binPath= "C:\Windows\SysWOW64\vlvrceau\ncdjwhba.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1104
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vlvrceau "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vlvrceau
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2980
- 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:1696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 1036
  2⤵
  - Program crash
  PID:2736

C:\Windows\SysWOW64\vlvrceau\ncdjwhba.exe
C:\Windows\SysWOW64\vlvrceau\ncdjwhba.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4784
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 532
  2⤵
  - Program crash
  PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4752 -ip 4752
1⤵
PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2752 -ip 2752
1⤵
PID:5104

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\ncdjwhba.exe

Filesize
14.6MB

MD5
ebcf45c180235fae49b00aea53ee17c4

SHA1
de981de51767d691553a8af87bc60a346747b074

SHA256
de3f9ca53541952d578af1d44201a99c94de846389195ad2079b373697c9193f

SHA512
dca67ea2112f6120a7d66cb48e6bc2d064d338a311a25a44633026f212bdaf7be8ed490d2824f316d11bad45ed40604e619aacd7f3e81022bc5baff9c01ad453

Download Submit
memory/2752-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4752-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4752-1-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/4752-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4752-0-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/4752-15-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/4752-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4752-16-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/4784-8-0x00000000001B0000-0x00000000001C5000-memory.dmp

Filesize
84KB

Download
memory/4784-11-0x00000000001B0000-0x00000000001C5000-memory.dmp

Filesize
84KB

Download
memory/4784-18-0x00000000001B0000-0x00000000001C5000-memory.dmp

Filesize
84KB

Download
memory/4784-19-0x00000000001B0000-0x00000000001C5000-memory.dmp

Filesize
84KB

Download
memory/4784-20-0x00000000001B0000-0x00000000001C5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads