tofsee | 993a1f148487ee99b8cd6cb04ef01a51d95fb0b89a7157139e53cf82a8833dd0

General

Target

JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe
Size

13.7MB
MD5

9cd8940b4de1f0dd95ddc816fc813a86
SHA1

6b6ac4bac2e168f1adb1ca5ef38c1ef16b734ba4
SHA256

993a1f148487ee99b8cd6cb04ef01a51d95fb0b89a7157139e53cf82a8833dd0
SHA512

7fc147d76b1efe5fa68ce4216d0d38387fb0be0cfbdeb25fa18b71a64f4c4acba1f19bc24b0fd1b6f9891991a78ce8567e1aed9db8c1cc4dea5e1ca2b815a25d
SSDEEP

49152:H77777777777777777777777777777777777777777777777777777777777777b:

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
5060	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\lgrivmti\ImagePath = "C:\\Windows\\SysWOW64\\lgrivmti\\shiobmgf.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe

Deletes itself 1 IoCs

pid	Process
628	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1992	shiobmgf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 628	1992	shiobmgf.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
1696	sc.exe
3920	sc.exe
1496	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3868	4064	WerFault.exe	82
1312	1992	WerFault.exe	94

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	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	shiobmgf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 1260	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	83
PID 4064 wrote to memory of 1260	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	83
PID 4064 wrote to memory of 1260	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	83
PID 4064 wrote to memory of 2860	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	85
PID 4064 wrote to memory of 2860	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	85
PID 4064 wrote to memory of 2860	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	85
PID 4064 wrote to memory of 1696	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	88
PID 4064 wrote to memory of 1696	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	88
PID 4064 wrote to memory of 1696	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	88
PID 4064 wrote to memory of 3920	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	90
PID 4064 wrote to memory of 3920	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	90
PID 4064 wrote to memory of 3920	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	90
PID 4064 wrote to memory of 1496	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	92
PID 4064 wrote to memory of 1496	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	92
PID 4064 wrote to memory of 1496	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	92
PID 4064 wrote to memory of 5060	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	95
PID 4064 wrote to memory of 5060	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	95
PID 4064 wrote to memory of 5060	4064	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	95
PID 1992 wrote to memory of 628	1992	shiobmgf.exe	101
PID 1992 wrote to memory of 628	1992	shiobmgf.exe	101
PID 1992 wrote to memory of 628	1992	shiobmgf.exe	101
PID 1992 wrote to memory of 628	1992	shiobmgf.exe	101
PID 1992 wrote to memory of 628	1992	shiobmgf.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lgrivmti\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\shiobmgf.exe" C:\Windows\SysWOW64\lgrivmti\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lgrivmti binPath= "C:\Windows\SysWOW64\lgrivmti\shiobmgf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1696
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lgrivmti "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lgrivmti
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1496
- 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:5060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 1148
  2⤵
  - Program crash
  PID:3868

C:\Windows\SysWOW64\lgrivmti\shiobmgf.exe
C:\Windows\SysWOW64\lgrivmti\shiobmgf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 516
  2⤵
  - Program crash
  PID:1312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4064 -ip 4064
1⤵
PID:2384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1992 -ip 1992
1⤵
PID:4068

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\shiobmgf.exe

Filesize
10.9MB

MD5
291dca51394539263bd7fefd317a138d

SHA1
2bc2b838bc0652bf0a75289a14b7ed31fe1ee6c2

SHA256
370592ea8c5ba59b74417deceeaf9f7a7ffe7afecf644bf0038ec69d65f4a0d2

SHA512
db76ea8bdb02cc2175345fe91016da0bf3cedebb56f154b9ca40a2c7751b94eb8500156de854f3e859a851abd004c97e8ad55a5db7606ccf52b67de3db8f4bc0

Download Submit
memory/628-14-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/628-11-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/628-15-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/1992-13-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/1992-17-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/4064-1-0x00000000017E0000-0x00000000018E0000-memory.dmp

Filesize
1024KB

Download
memory/4064-2-0x00000000032C0000-0x00000000032D3000-memory.dmp

Filesize
76KB

Download
memory/4064-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4064-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4064-9-0x00000000032C0000-0x00000000032D3000-memory.dmp

Filesize
76KB

Download
memory/4064-8-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads