tofsee | 78b66266e386520e9237277177df4ded95ae576e3037be7283280c45e265bc4c

General

Target

2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe
Size

11.0MB
MD5

2ee3d2fccb4958d4db46211115b69b4f
SHA1

405236a23bcd689505d0dd9954b0338e6b4e31ca
SHA256

78b66266e386520e9237277177df4ded95ae576e3037be7283280c45e265bc4c
SHA512

6f03e55b0e6a6bf74977f12e2dd1f00b4968d5eb4b4a2b6a62ace3cf7100262c83679d3bfe4d71ae2692ac0298565b389c98ca8b07523a62c1b66866f75b216f
SSDEEP

196608:Xdrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr:Nrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrn

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
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
464	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\xsuukea\ImagePath = "C:\\Windows\\SysWOW64\\xsuukea\\lohpnpxh.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4604	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3508	lohpnpxh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3508 set thread context of 4604	3508	lohpnpxh.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
4836	sc.exe
1292	sc.exe
3880	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
4988	4808	WerFault.exe	82
4896	3508	WerFault.exe	96

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	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lohpnpxh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 952	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	86
PID 4808 wrote to memory of 952	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	86
PID 4808 wrote to memory of 952	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	86
PID 4808 wrote to memory of 3616	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	88
PID 4808 wrote to memory of 3616	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	88
PID 4808 wrote to memory of 3616	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	88
PID 4808 wrote to memory of 4836	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	90
PID 4808 wrote to memory of 4836	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	90
PID 4808 wrote to memory of 4836	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	90
PID 4808 wrote to memory of 1292	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	92
PID 4808 wrote to memory of 1292	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	92
PID 4808 wrote to memory of 1292	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	92
PID 4808 wrote to memory of 3880	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	94
PID 4808 wrote to memory of 3880	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	94
PID 4808 wrote to memory of 3880	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	94
PID 4808 wrote to memory of 464	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	97
PID 4808 wrote to memory of 464	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	97
PID 4808 wrote to memory of 464	4808	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	97
PID 3508 wrote to memory of 4604	3508	lohpnpxh.exe	103
PID 3508 wrote to memory of 4604	3508	lohpnpxh.exe	103
PID 3508 wrote to memory of 4604	3508	lohpnpxh.exe	103
PID 3508 wrote to memory of 4604	3508	lohpnpxh.exe	103
PID 3508 wrote to memory of 4604	3508	lohpnpxh.exe	103

C:\Users\Admin\AppData\Local\Temp\2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xsuukea\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lohpnpxh.exe" C:\Windows\SysWOW64\xsuukea\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3616
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xsuukea binPath= "C:\Windows\SysWOW64\xsuukea\lohpnpxh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xsuukea "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1292
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xsuukea
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3880
- 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:464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 676
  2⤵
  - Program crash
  PID:4988

C:\Windows\SysWOW64\xsuukea\lohpnpxh.exe
C:\Windows\SysWOW64\xsuukea\lohpnpxh.exe /d"C:\Users\Admin\AppData\Local\Temp\2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 508
  2⤵
  - Program crash
  PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4808 -ip 4808
1⤵
PID:4452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3508 -ip 3508
1⤵
PID:4632

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\lohpnpxh.exe

Filesize
13.3MB

MD5
6430115b4cd6b2e378cf43c17fe9b6e6

SHA1
4ee39f04cf513136d12ee205203d6fa2574e5e97

SHA256
33ae3cdc14b1a9a867f8661f62300315ed1e22c0e8a39184644d956ac515eb06

SHA512
1e2764a04d72d1f52d72b18ead17107476cd5986bf68be6fcd2cb21855cee6690526bf97eb7e6a3dc56238e252b7f4f38818578e631b2953f5b02b2725b1e5b5

Download Submit
memory/3508-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3508-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3508-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3508-19-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4604-14-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/4604-16-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/4604-17-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/4808-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4808-1-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download
memory/4808-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4808-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4808-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4808-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads