tofsee | 60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101

General

Target

JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe
Size

287KB
MD5

17bb61202a522c4c39b174e82418be79
SHA1

34b87524492f670c91e7c3a19ae50a13b6a4cf0c
SHA256

60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101
SHA512

62f299953cd4b369d33b24ac0d2118a2827554e21ce5d8ccccacc5263d8335a52ba17ea1fb1502075932333cf503a10ae0fa611c9b9485d98c81316edfbc2372
SSDEEP

3072:6Vy4W05xioLc9s0g2n9ICegMuBOd9KXaP3E+/ngr9+oKBJUIjgmLDJ1u1uakB9Yj:ifQ9hBO6XaP3/Q9+xzUug8/udG

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
1412	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\ewppzpsc\ImagePath = "C:\\Windows\\SysWOW64\\ewppzpsc\\boxuvamz.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe

Deletes itself 1 IoCs

pid	Process
3244	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3964	boxuvamz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3964 set thread context of 3244	3964	boxuvamz.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
3532	sc.exe
2068	sc.exe
2628	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
724	4912	WerFault.exe	82
4636	3964	WerFault.exe	93

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_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.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	boxuvamz.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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 4076	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	83
PID 4912 wrote to memory of 4076	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	83
PID 4912 wrote to memory of 4076	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	83
PID 4912 wrote to memory of 3256	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	85
PID 4912 wrote to memory of 3256	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	85
PID 4912 wrote to memory of 3256	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	85
PID 4912 wrote to memory of 3532	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	87
PID 4912 wrote to memory of 3532	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	87
PID 4912 wrote to memory of 3532	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	87
PID 4912 wrote to memory of 2068	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	89
PID 4912 wrote to memory of 2068	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	89
PID 4912 wrote to memory of 2068	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	89
PID 4912 wrote to memory of 2628	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	91
PID 4912 wrote to memory of 2628	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	91
PID 4912 wrote to memory of 2628	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	91
PID 4912 wrote to memory of 1412	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	94
PID 4912 wrote to memory of 1412	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	94
PID 4912 wrote to memory of 1412	4912	JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe	94
PID 3964 wrote to memory of 3244	3964	boxuvamz.exe	100
PID 3964 wrote to memory of 3244	3964	boxuvamz.exe	100
PID 3964 wrote to memory of 3244	3964	boxuvamz.exe	100
PID 3964 wrote to memory of 3244	3964	boxuvamz.exe	100
PID 3964 wrote to memory of 3244	3964	boxuvamz.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ewppzpsc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\boxuvamz.exe" C:\Windows\SysWOW64\ewppzpsc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ewppzpsc binPath= "C:\Windows\SysWOW64\ewppzpsc\boxuvamz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3532
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ewppzpsc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ewppzpsc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2628
- 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:1412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 1192
  2⤵
  - Program crash
  PID:724

C:\Windows\SysWOW64\ewppzpsc\boxuvamz.exe
C:\Windows\SysWOW64\ewppzpsc\boxuvamz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3964
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 512
  2⤵
  - Program crash
  PID:4636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4912 -ip 4912
1⤵
PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3964 -ip 3964
1⤵
PID:920

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\boxuvamz.exe

Filesize
10.9MB

MD5
db2f1fa5a5d32a6a51b2eee54141aff8

SHA1
cc69456cf7134d0617f466a3e2b89b08b6579c9a

SHA256
328040f01d7e248ad7b82c5da3a1e9f74575e2b4c3ad71ebbff49b9d51c62a6f

SHA512
83381bc83a7e5bbfd4d4e4c023d7ba00fae5c27b5bf5fc65cd7df7cfeed76fb3f1a264ceafe1beddb3d814725c5ce00c0a9f932733c546d96ed3e48d83616ea3

Download Submit
memory/3244-11-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/3244-13-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/3244-14-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/3964-15-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download
memory/4912-2-0x0000000002CE0000-0x0000000002CF3000-memory.dmp

Filesize
76KB

Download
memory/4912-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/4912-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4912-8-0x0000000002CE0000-0x0000000002CF3000-memory.dmp

Filesize
76KB

Download
memory/4912-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4912-7-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads