tofsee | 5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9

General

Target

JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe
Size

246KB
MD5

a41405a0933cd2a8e56aeb6cb617b092
SHA1

14d5a7346c98eed4aeb824234e4e7619529ec867
SHA256

5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9
SHA512

44656ba4a0899c3b39d66b06be55947bf5df8c41c48ce47fb207559304097d047e2677a71be043c613c156ba85641864bca99ecc89e8d1db458028bc820d2b38
SSDEEP

6144:E2xmEZ8ABRMXOGFTPRuzbgwu6QigabwVf:E0mE+OGFT5unn5

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
3792	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\gwqrquuw\ImagePath = "C:\\Windows\\SysWOW64\\gwqrquuw\\apuvpxat.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_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe

Deletes itself 1 IoCs

pid	Process
3852	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3728	apuvpxat.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3728 set thread context of 3852	3728	apuvpxat.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
4848	sc.exe
3328	sc.exe
2372	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
2352	2228	WerFault.exe	81
3484	3728	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	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.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	apuvpxat.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	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 2228 wrote to memory of 2396	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	82
PID 2228 wrote to memory of 2396	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	82
PID 2228 wrote to memory of 2396	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	82
PID 2228 wrote to memory of 316	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	84
PID 2228 wrote to memory of 316	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	84
PID 2228 wrote to memory of 316	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	84
PID 2228 wrote to memory of 2372	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	86
PID 2228 wrote to memory of 2372	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	86
PID 2228 wrote to memory of 2372	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	86
PID 2228 wrote to memory of 4848	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	88
PID 2228 wrote to memory of 4848	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	88
PID 2228 wrote to memory of 4848	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	88
PID 2228 wrote to memory of 3328	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	90
PID 2228 wrote to memory of 3328	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	90
PID 2228 wrote to memory of 3328	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	90
PID 2228 wrote to memory of 3792	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	93
PID 2228 wrote to memory of 3792	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	93
PID 2228 wrote to memory of 3792	2228	JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe	93
PID 3728 wrote to memory of 3852	3728	apuvpxat.exe	98
PID 3728 wrote to memory of 3852	3728	apuvpxat.exe	98
PID 3728 wrote to memory of 3852	3728	apuvpxat.exe	98
PID 3728 wrote to memory of 3852	3728	apuvpxat.exe	98
PID 3728 wrote to memory of 3852	3728	apuvpxat.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gwqrquuw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\apuvpxat.exe" C:\Windows\SysWOW64\gwqrquuw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gwqrquuw binPath= "C:\Windows\SysWOW64\gwqrquuw\apuvpxat.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2372
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gwqrquuw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gwqrquuw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3328
- 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:3792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 1036
  2⤵
  - Program crash
  PID:2352

C:\Windows\SysWOW64\gwqrquuw\apuvpxat.exe
C:\Windows\SysWOW64\gwqrquuw\apuvpxat.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ed32447dcb29ab948c0eeaf6990d2daf0dfad2c86aa5f490de81a44b5dbb2f9.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 516
  2⤵
  - Program crash
  PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2228 -ip 2228
1⤵
PID:888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3728 -ip 3728
1⤵
PID:244

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\apuvpxat.exe

Filesize
12.4MB

MD5
306a2469d7cbc70da51f5c7bf754eaf3

SHA1
e9d66bbe2350c50b52360b9b5c14fe359282db36

SHA256
c0b71fd767c590751000c402a8eed794840f944b8bac4bb8a47b33a8ee831cbd

SHA512
fc24a5cccce9e79ddef914ee4ec58a0d0f3996219f852f5343f89a0f15f78ad08820528c3aff716a0750175b51acbbe3b5d519d3b9b57737e4a1a12e71bf9eb0

Download Submit
memory/2228-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2228-11-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/2228-1-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/2228-8-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2228-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2228-0-0x00000000021A0000-0x00000000021AD000-memory.dmp

Filesize
52KB

Download
memory/2228-10-0x00000000021A0000-0x00000000021AD000-memory.dmp

Filesize
52KB

Download
memory/3728-9-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3728-7-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3728-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3728-17-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3852-15-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download
memory/3852-13-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download
memory/3852-16-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads