tofsee | c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4

General

Target

JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe
Size

239KB
MD5

dbbfce5475a22a61211c8e53df5ff418
SHA1

9299dec40976f8bd24b1a43b4d1fc719b4df9dcf
SHA256

c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4
SHA512

469d75b4d65c92ab6f31010cf40c5b88972795591cb696f002f1b75ce07ff6db1997413a8f58f7ddcbfacfa5bbb220eeb3f821d5a98cad104b0ff4833efe44a3
SSDEEP

3072:E/QdT6Bl98/a4HtPiUdlS0aMO7yHVMaZByGlTwK1urjYQqL6b99UlrYh:E/ou98/ThiUnJp0GlTwKqYAb99MY

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
2744	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\ocxswbje\ImagePath = "C:\\Windows\\SysWOW64\\ocxswbje\\horpqqgu.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	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe

Deletes itself 1 IoCs

pid	Process
2556	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4928	horpqqgu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4928 set thread context of 2556	4928	horpqqgu.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
4340	sc.exe
2132	sc.exe
1340	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
2200	1068	WerFault.exe	81
4300	4928	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	horpqqgu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 588	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	82
PID 1068 wrote to memory of 588	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	82
PID 1068 wrote to memory of 588	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	82
PID 1068 wrote to memory of 432	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	84
PID 1068 wrote to memory of 432	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	84
PID 1068 wrote to memory of 432	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	84
PID 1068 wrote to memory of 2132	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	86
PID 1068 wrote to memory of 2132	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	86
PID 1068 wrote to memory of 2132	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	86
PID 1068 wrote to memory of 1340	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	88
PID 1068 wrote to memory of 1340	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	88
PID 1068 wrote to memory of 1340	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	88
PID 1068 wrote to memory of 4340	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	90
PID 1068 wrote to memory of 4340	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	90
PID 1068 wrote to memory of 4340	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	90
PID 1068 wrote to memory of 2744	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	93
PID 1068 wrote to memory of 2744	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	93
PID 1068 wrote to memory of 2744	1068	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	93
PID 4928 wrote to memory of 2556	4928	horpqqgu.exe	98
PID 4928 wrote to memory of 2556	4928	horpqqgu.exe	98
PID 4928 wrote to memory of 2556	4928	horpqqgu.exe	98
PID 4928 wrote to memory of 2556	4928	horpqqgu.exe	98
PID 4928 wrote to memory of 2556	4928	horpqqgu.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ocxswbje\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\horpqqgu.exe" C:\Windows\SysWOW64\ocxswbje\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:432
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ocxswbje binPath= "C:\Windows\SysWOW64\ocxswbje\horpqqgu.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ocxswbje "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1340
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ocxswbje
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4340
- 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:2744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 660
  2⤵
  - Program crash
  PID:2200

C:\Windows\SysWOW64\ocxswbje\horpqqgu.exe
C:\Windows\SysWOW64\ocxswbje\horpqqgu.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 516
  2⤵
  - Program crash
  PID:4300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1068 -ip 1068
1⤵
PID:2088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4928 -ip 4928
1⤵
PID:2080

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\horpqqgu.exe

Filesize
14.0MB

MD5
2be1949207560e924ee903c3e402e95a

SHA1
9aaee56ca06856e3ed5144f9e05c6ca7cda6a118

SHA256
64839be227ffcc13d676ddf85ba090ad72432710dcbdebc395909745ee25e05e

SHA512
aa252351d316f94b3e910ef09dc996f81d559eb0653196c0e752c67f27056c7e19e260b891126da9fb662e4c5042e259d7fd19adfb563e5236056badd34c508f

Download Submit
memory/1068-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1068-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1068-1-0x0000000000BB0000-0x0000000000CB0000-memory.dmp

Filesize
1024KB

Download
memory/1068-8-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/1068-9-0x0000000000E00000-0x0000000000E13000-memory.dmp

Filesize
76KB

Download
memory/1068-2-0x0000000000E00000-0x0000000000E13000-memory.dmp

Filesize
76KB

Download
memory/2556-14-0x00000000007E0000-0x00000000007F5000-memory.dmp

Filesize
84KB

Download
memory/2556-16-0x00000000007E0000-0x00000000007F5000-memory.dmp

Filesize
84KB

Download
memory/2556-17-0x00000000007E0000-0x00000000007F5000-memory.dmp

Filesize
84KB

Download
memory/4928-11-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/4928-12-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/4928-13-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/4928-19-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads