tofsee | fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb

General

Target

JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe
Size

271KB
MD5

3f65dae6305ca843e7b9b7df2f74d838
SHA1

2c44df4d74900d500dcf9835f6c80ff84d268a37
SHA256

fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb
SHA512

93d1cd17ec557a46c3ac6b32a08d24ec1c8dd26ad3c5e2fbe7c4a9c7ce7d2ce568913844d18f950d89a05b22ff76b528ae672b5fbcee8e35da41eb49cde43971
SSDEEP

6144:DgfpPeqotkXALxePgCA0+A3Ii4b6gvlVUgJ:kXotkXALQvAi94+g7/

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
1428	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\skephca\ImagePath = "C:\\Windows\\SysWOW64\\skephca\\ndddsjph.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	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe

Deletes itself 1 IoCs

pid	Process
532	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4440	ndddsjph.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4440 set thread context of 532	4440	ndddsjph.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
2444	sc.exe
208	sc.exe
2164	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
964	2024	WerFault.exe	82
404	4440	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	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	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.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	ndddsjph.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 4984	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	83
PID 2024 wrote to memory of 4984	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	83
PID 2024 wrote to memory of 4984	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	83
PID 2024 wrote to memory of 3988	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	85
PID 2024 wrote to memory of 3988	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	85
PID 2024 wrote to memory of 3988	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	85
PID 2024 wrote to memory of 208	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	87
PID 2024 wrote to memory of 208	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	87
PID 2024 wrote to memory of 208	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	87
PID 2024 wrote to memory of 2164	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	89
PID 2024 wrote to memory of 2164	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	89
PID 2024 wrote to memory of 2164	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	89
PID 2024 wrote to memory of 2444	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	91
PID 2024 wrote to memory of 2444	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	91
PID 2024 wrote to memory of 2444	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	91
PID 2024 wrote to memory of 1428	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	94
PID 2024 wrote to memory of 1428	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	94
PID 2024 wrote to memory of 1428	2024	JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe	94
PID 4440 wrote to memory of 532	4440	ndddsjph.exe	100
PID 4440 wrote to memory of 532	4440	ndddsjph.exe	100
PID 4440 wrote to memory of 532	4440	ndddsjph.exe	100
PID 4440 wrote to memory of 532	4440	ndddsjph.exe	100
PID 4440 wrote to memory of 532	4440	ndddsjph.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\skephca\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ndddsjph.exe" C:\Windows\SysWOW64\skephca\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create skephca binPath= "C:\Windows\SysWOW64\skephca\ndddsjph.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:208
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description skephca "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start skephca
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2444
- 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:1428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 1148
  2⤵
  - Program crash
  PID:964

C:\Windows\SysWOW64\skephca\ndddsjph.exe
C:\Windows\SysWOW64\skephca\ndddsjph.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 512
  2⤵
  - Program crash
  PID:404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2024 -ip 2024
1⤵
PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4440 -ip 4440
1⤵
PID:4092

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\ndddsjph.exe

Filesize
12.3MB

MD5
8188bf989776865c37e1553a051747e8

SHA1
437de994566a5cec29e0204dd6f71a38297a9a32

SHA256
fca2ae15229a5d8f5949ac479349b587cd654c162251925a5fe85f152841c435

SHA512
bbab2349ae3ac120641cbb27eda541d29c87c234f4956307d6281b4e4cbcb8387088a6f3b967b2eaea27b9ce4e09c29330e7661e34a8fbf30992938e9bfc53b6

Download Submit
memory/532-13-0x00000000009A0000-0x00000000009B5000-memory.dmp

Filesize
84KB

Download
memory/532-15-0x00000000009A0000-0x00000000009B5000-memory.dmp

Filesize
84KB

Download
memory/532-16-0x00000000009A0000-0x00000000009B5000-memory.dmp

Filesize
84KB

Download
memory/2024-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2024-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2024-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2024-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2024-9-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/2024-2-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/4440-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4440-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4440-17-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads