tofsee | 54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc

General

Target

JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe
Size

337KB
MD5

bbde29fcae02fb3c1659b24259fae809
SHA1

96f9d2ee5a1d9b5a32df367b46193f449c348af0
SHA256

54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc
SHA512

197d987b4a6779a046066f2d940a107e191e7a15e319fb01162fe120148753f627dc6900b6c2f513764518285c6ab6c338bde302efd6062918a9607d961cf234
SSDEEP

3072:LIb0cBNDSBFEXIx07XLWt1zdHbRjMen4H+wgXJ+8wHq0RXtWpbePRX19j/Te8Yt+:OvIqbWt1zhbrjwf8A3RXIpbsNTBYj3i

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

mubrikych.top

oxxyfix.xyz

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
216	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\fxhjfepw\ImagePath = "C:\\Windows\\SysWOW64\\fxhjfepw\\sgeegfbk.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_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe

Deletes itself 1 IoCs

pid	Process
2736	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4176	sgeegfbk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4176 set thread context of 2736	4176	sgeegfbk.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
1728	sc.exe
2224	sc.exe
1844	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
3736	3488	WerFault.exe	82
2012	4176	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sgeegfbk.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 4092	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	83
PID 3488 wrote to memory of 4092	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	83
PID 3488 wrote to memory of 4092	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	83
PID 3488 wrote to memory of 3672	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	86
PID 3488 wrote to memory of 3672	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	86
PID 3488 wrote to memory of 3672	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	86
PID 3488 wrote to memory of 1728	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	88
PID 3488 wrote to memory of 1728	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	88
PID 3488 wrote to memory of 1728	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	88
PID 3488 wrote to memory of 2224	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	90
PID 3488 wrote to memory of 2224	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	90
PID 3488 wrote to memory of 2224	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	90
PID 3488 wrote to memory of 1844	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	92
PID 3488 wrote to memory of 1844	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	92
PID 3488 wrote to memory of 1844	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	92
PID 3488 wrote to memory of 216	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	95
PID 3488 wrote to memory of 216	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	95
PID 3488 wrote to memory of 216	3488	JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe	95
PID 4176 wrote to memory of 2736	4176	sgeegfbk.exe	101
PID 4176 wrote to memory of 2736	4176	sgeegfbk.exe	101
PID 4176 wrote to memory of 2736	4176	sgeegfbk.exe	101
PID 4176 wrote to memory of 2736	4176	sgeegfbk.exe	101
PID 4176 wrote to memory of 2736	4176	sgeegfbk.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fxhjfepw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4092
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sgeegfbk.exe" C:\Windows\SysWOW64\fxhjfepw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3672
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fxhjfepw binPath= "C:\Windows\SysWOW64\fxhjfepw\sgeegfbk.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fxhjfepw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2224
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fxhjfepw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1844
- 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:216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 1252
  2⤵
  - Program crash
  PID:3736

C:\Windows\SysWOW64\fxhjfepw\sgeegfbk.exe
C:\Windows\SysWOW64\fxhjfepw\sgeegfbk.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54f72f49e14040b70a9951650a019694bb185b1d67df595bc52222efd616c9cc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4176
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 512
  2⤵
  - Program crash
  PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3488 -ip 3488
1⤵
PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4176 -ip 4176
1⤵
PID:2072

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\sgeegfbk.exe

Filesize
10.7MB

MD5
47ed5f0fc5d2ce6fc980d9347314f86c

SHA1
5b9d24ac207b42bb85c9fde8d6f6b6657fd7b5af

SHA256
f6f3c1b3f5ee4679df9f8d3ed2b416756ccadd8fefb6ff4752f44115dea571b8

SHA512
145253cea47a8e6ce47ea85e53c5e0b666c9f7766244c3e0061ad3677e62d3b64efb26bc5052bb75fd7631cb41741118826d5e8f74e44b97873098fee4270b3b

Download Submit
memory/2736-14-0x0000000000970000-0x0000000000985000-memory.dmp

Filesize
84KB

Download
memory/2736-16-0x0000000000970000-0x0000000000985000-memory.dmp

Filesize
84KB

Download
memory/2736-17-0x0000000000970000-0x0000000000985000-memory.dmp

Filesize
84KB

Download
memory/3488-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3488-2-0x0000000002220000-0x0000000002233000-memory.dmp

Filesize
76KB

Download
memory/3488-7-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3488-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3488-8-0x0000000002220000-0x0000000002233000-memory.dmp

Filesize
76KB

Download
memory/3488-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/4176-12-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/4176-11-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/4176-13-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/4176-18-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads