tofsee | c5115b8da44355cfb8993ee6c2bb8d4503ed063a612b93369a1a252c3b0e43b2

General

Target

501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe
Size

12.0MB
MD5

501269ab016ccab753cc21fc38002f10
SHA1

0401a4c62eac2e78fa22c2f087d19c2ae70dc245
SHA256

c5115b8da44355cfb8993ee6c2bb8d4503ed063a612b93369a1a252c3b0e43b2
SHA512

85e145151df1ff4003d68e6dbf91dd2a1ef30cf36b2080736ed6c1a314ecd7fafd1272e83d1a757fa7e77ec08bff57937d7370a4f1c036de5946bb8495df3ea0
SSDEEP

3072:uNoWIXVg044YmyJc/rY/2Woct6Mz+7L00vyLf9nQLWLIMcesvKeHTQzIaH/q99Q0:uNoWwy0jYBkE/vocLz+2QSLIBee8q9N

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
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\ixrnyhwd\ImagePath = "C:\\Windows\\SysWOW64\\ixrnyhwd\\qodpjfqg.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	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3820	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3712	qodpjfqg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3712 set thread context of 3820	3712	qodpjfqg.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
2064	sc.exe
4648	sc.exe
956	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

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	501269ab016ccab753cc21fc38002f10_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	sc.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qodpjfqg.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2420	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	87
PID 2948 wrote to memory of 2420	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	87
PID 2948 wrote to memory of 2420	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	87
PID 2948 wrote to memory of 2248	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	89
PID 2948 wrote to memory of 2248	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	89
PID 2948 wrote to memory of 2248	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	89
PID 2948 wrote to memory of 956	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	93
PID 2948 wrote to memory of 956	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	93
PID 2948 wrote to memory of 956	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	93
PID 2948 wrote to memory of 2064	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	95
PID 2948 wrote to memory of 2064	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	95
PID 2948 wrote to memory of 2064	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	95
PID 2948 wrote to memory of 4648	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	99
PID 2948 wrote to memory of 4648	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	99
PID 2948 wrote to memory of 4648	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	99
PID 2948 wrote to memory of 3792	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	102
PID 2948 wrote to memory of 3792	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	102
PID 2948 wrote to memory of 3792	2948	501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe	102
PID 3712 wrote to memory of 3820	3712	qodpjfqg.exe	104
PID 3712 wrote to memory of 3820	3712	qodpjfqg.exe	104
PID 3712 wrote to memory of 3820	3712	qodpjfqg.exe	104
PID 3712 wrote to memory of 3820	3712	qodpjfqg.exe	104
PID 3712 wrote to memory of 3820	3712	qodpjfqg.exe	104

C:\Users\Admin\AppData\Local\Temp\501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ixrnyhwd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qodpjfqg.exe" C:\Windows\SysWOW64\ixrnyhwd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ixrnyhwd binPath= "C:\Windows\SysWOW64\ixrnyhwd\qodpjfqg.exe /d\"C:\Users\Admin\AppData\Local\Temp\501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:956
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ixrnyhwd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ixrnyhwd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4648
- 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\ixrnyhwd\qodpjfqg.exe
C:\Windows\SysWOW64\ixrnyhwd\qodpjfqg.exe /d"C:\Users\Admin\AppData\Local\Temp\501269ab016ccab753cc21fc38002f10_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3712
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3820

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\qodpjfqg.exe

Filesize
10.6MB

MD5
a51e7be9496cad7aaadf1e83b62bd990

SHA1
1997ec0369c9cd23bddad9259370a44c89115f23

SHA256
1d918913dfbf00ff08c1f13e0717d2009e6c688b40ee764fbeede8129a0e0636

SHA512
2392525395d6bbaf51628aa5ef691025aad2b90d8a429124cf4a771c727d991e1df68aafefb3ae5fa99b01a2102a78158e1c61ad430ef9dc896552316ffe5cfc

Download Submit
memory/2948-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2948-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

Filesize
1024KB

Download
memory/2948-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2948-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2948-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2948-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/3712-14-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/3712-15-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/3820-13-0x0000000000E00000-0x0000000000E15000-memory.dmp

Filesize
84KB

Download
memory/3820-11-0x0000000000E00000-0x0000000000E15000-memory.dmp

Filesize
84KB

Download
memory/3820-17-0x0000000000E00000-0x0000000000E15000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads