tofsee | b9729e082e0107b399ec69aa3ebd7fedf63ca5d65bea80683e2bd62bd5342307

General

Target

ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe
Size

11.6MB
MD5

ec2dbf5565edcf4b842d371ed45ea086
SHA1

47ba7c6b4b8e111f5bd7fd3475ea36c1d787f267
SHA256

b9729e082e0107b399ec69aa3ebd7fedf63ca5d65bea80683e2bd62bd5342307
SHA512

0f78ebb1cad53ce7d941d5692475b23ab907b8933e66dd034692f6381616d7d2899af1b5a708818c3565329e65133169c014ff9d516a9af7c9f03c19c7478d7b
SSDEEP

196608:u+8888888888888888888888888888888888888888888888888888888888888Y:f888888888888888888888888888888r

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
3932	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\ilgjceng\ImagePath = "C:\\Windows\\SysWOW64\\ilgjceng\\ehaigiqa.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2164	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4268	ehaigiqa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 2164	4268	ehaigiqa.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
2132	sc.exe
1592	sc.exe
2732	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3836	1916	WerFault.exe	81
2740	4268	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	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	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.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	ehaigiqa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 3292	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	82
PID 1916 wrote to memory of 3292	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	82
PID 1916 wrote to memory of 3292	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	82
PID 1916 wrote to memory of 2620	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	84
PID 1916 wrote to memory of 2620	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	84
PID 1916 wrote to memory of 2620	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	84
PID 1916 wrote to memory of 2132	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	86
PID 1916 wrote to memory of 2132	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	86
PID 1916 wrote to memory of 2132	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	86
PID 1916 wrote to memory of 1592	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	88
PID 1916 wrote to memory of 1592	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	88
PID 1916 wrote to memory of 1592	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	88
PID 1916 wrote to memory of 2732	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	90
PID 1916 wrote to memory of 2732	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	90
PID 1916 wrote to memory of 2732	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	90
PID 1916 wrote to memory of 3932	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	93
PID 1916 wrote to memory of 3932	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	93
PID 1916 wrote to memory of 3932	1916	ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe	93
PID 4268 wrote to memory of 2164	4268	ehaigiqa.exe	98
PID 4268 wrote to memory of 2164	4268	ehaigiqa.exe	98
PID 4268 wrote to memory of 2164	4268	ehaigiqa.exe	98
PID 4268 wrote to memory of 2164	4268	ehaigiqa.exe	98
PID 4268 wrote to memory of 2164	4268	ehaigiqa.exe	98

C:\Users\Admin\AppData\Local\Temp\ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ilgjceng\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ehaigiqa.exe" C:\Windows\SysWOW64\ilgjceng\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2620
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ilgjceng binPath= "C:\Windows\SysWOW64\ilgjceng\ehaigiqa.exe /d\"C:\Users\Admin\AppData\Local\Temp\ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.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 ilgjceng "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1592
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ilgjceng
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- 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:3932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 1048
  2⤵
  - Program crash
  PID:3836

C:\Windows\SysWOW64\ilgjceng\ehaigiqa.exe
C:\Windows\SysWOW64\ilgjceng\ehaigiqa.exe /d"C:\Users\Admin\AppData\Local\Temp\ec2dbf5565edcf4b842d371ed45ea086_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 532
  2⤵
  - Program crash
  PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1916 -ip 1916
1⤵
PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4268 -ip 4268
1⤵
PID:1064

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\ehaigiqa.exe

Filesize
11.0MB

MD5
c48a2172cf409791495766172153f4e8

SHA1
3d7b30f666a56eb57b172a8b9942ff19c7641725

SHA256
062d1ec6b4e461275d3f2f0f95d94f57b47494e20f3cdcb77e1dd53d90bbfeca

SHA512
2fc15af1cb012990f18846530757761e3dcff2ef537e8afca67ae1294922c36749733f3bc8e8ec22d6b9f038de0eb8a5821dafb66438397b7ea009ecb4f2473e

Download Submit
memory/1916-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1916-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1916-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1916-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1916-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1916-1-0x0000000000720000-0x0000000000820000-memory.dmp

Filesize
1024KB

Download
memory/2164-14-0x0000000000310000-0x0000000000325000-memory.dmp

Filesize
84KB

Download
memory/2164-16-0x0000000000310000-0x0000000000325000-memory.dmp

Filesize
84KB

Download
memory/2164-17-0x0000000000310000-0x0000000000325000-memory.dmp

Filesize
84KB

Download
memory/4268-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4268-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4268-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4268-18-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads