tofsee | 093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7

General

Target

JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe
Size

296KB
MD5

706b81cc3fa7c62ebf8c33571bc4c805
SHA1

b4167d2b276a971f6751990083dbe46c2c1e1ac8
SHA256

093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7
SHA512

02dee4be0c82a98498855ee642980e22acff93b597280d7be9776678cf7c56b381e5da28463a8601868c4ca32dbcd27a821a0c3b6b1e67d51b4a345c0034335e
SSDEEP

6144:HfCqfoXxGFNcpT+l7ALJQaaSXuZet0yy8wu1eozh/wRi7B:GXc7cpOALiaaSXuZet0yy8wu1ecwRi

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
4716	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\pnyymndl\ImagePath = "C:\\Windows\\SysWOW64\\pnyymndl\\mrqoekti.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe

Deletes itself 1 IoCs

pid	Process
2444	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
972	mrqoekti.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 972 set thread context of 2444	972	mrqoekti.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
5040	sc.exe
3088	sc.exe
2836	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
4916	4008	WerFault.exe	82
1484	972	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mrqoekti.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 2380	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	83
PID 4008 wrote to memory of 2380	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	83
PID 4008 wrote to memory of 2380	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	83
PID 4008 wrote to memory of 2604	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	85
PID 4008 wrote to memory of 2604	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	85
PID 4008 wrote to memory of 2604	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	85
PID 4008 wrote to memory of 2836	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	88
PID 4008 wrote to memory of 2836	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	88
PID 4008 wrote to memory of 2836	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	88
PID 4008 wrote to memory of 5040	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	90
PID 4008 wrote to memory of 5040	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	90
PID 4008 wrote to memory of 5040	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	90
PID 4008 wrote to memory of 3088	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	92
PID 4008 wrote to memory of 3088	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	92
PID 4008 wrote to memory of 3088	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	92
PID 4008 wrote to memory of 4716	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	95
PID 4008 wrote to memory of 4716	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	95
PID 4008 wrote to memory of 4716	4008	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	95
PID 972 wrote to memory of 2444	972	mrqoekti.exe	101
PID 972 wrote to memory of 2444	972	mrqoekti.exe	101
PID 972 wrote to memory of 2444	972	mrqoekti.exe	101
PID 972 wrote to memory of 2444	972	mrqoekti.exe	101
PID 972 wrote to memory of 2444	972	mrqoekti.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pnyymndl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mrqoekti.exe" C:\Windows\SysWOW64\pnyymndl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pnyymndl binPath= "C:\Windows\SysWOW64\pnyymndl\mrqoekti.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pnyymndl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pnyymndl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3088
- 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:4716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 1220
  2⤵
  - Program crash
  PID:4916

C:\Windows\SysWOW64\pnyymndl\mrqoekti.exe
C:\Windows\SysWOW64\pnyymndl\mrqoekti.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 972 -s 508
  2⤵
  - Program crash
  PID:1484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4008 -ip 4008
1⤵
PID:2232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 972 -ip 972
1⤵
PID:3848

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\mrqoekti.exe

Filesize
12.4MB

MD5
bf87d9780f5665c24be2503c0d6dcc15

SHA1
734a8efded6532a09b06d2996802fcc83cd371d5

SHA256
74e4084938ce81a1deaa357ced0bf638fb978248bbf13f1615c4888f949d7b30

SHA512
e1ea5d979e71fa5c9b69419b39ca45d29fe189cad9b1f605272cbcf944f56095e68d2b698aa841ec092efdf4b4e08ace82838056605276740c843420ba2461cb

Download Submit
memory/972-15-0x0000000000400000-0x0000000001C00000-memory.dmp

Filesize
24.0MB

Download
memory/2444-11-0x0000000000720000-0x0000000000735000-memory.dmp

Filesize
84KB

Download
memory/2444-13-0x0000000000720000-0x0000000000735000-memory.dmp

Filesize
84KB

Download
memory/2444-14-0x0000000000720000-0x0000000000735000-memory.dmp

Filesize
84KB

Download
memory/4008-1-0x0000000001DD0000-0x0000000001ED0000-memory.dmp

Filesize
1024KB

Download
memory/4008-2-0x0000000001DA0000-0x0000000001DB3000-memory.dmp

Filesize
76KB

Download
memory/4008-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4008-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4008-8-0x0000000001DA0000-0x0000000001DB3000-memory.dmp

Filesize
76KB

Download
memory/4008-7-0x0000000000400000-0x0000000001C00000-memory.dmp

Filesize
24.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads