tofsee | a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764

General

Target

JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe
Size

178KB
MD5

daf0fb3d694f2fcc9cfafb1f82676fdc
SHA1

7340cf04391200ab8eec8f9b1169401178b00f4b
SHA256

a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764
SHA512

12724405a8e8f2efb644b844b70550718757ce9217ba488f8d4865c7db8eb05738d1036a5df84a081c12a746966ef7971c39f119f1732693a7ec163ab09380c6
SSDEEP

1536:q7v/wkGpcGl1W7QH78+w6eAlEkZnyHmbZIy6b6NsG8YknMYmed4tYl3Dhn5vMDJN:q7PGcGloEehA+M6ZTnMntYTfvMgB1R

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
3708	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\vfoycrtp\ImagePath = "C:\\Windows\\SysWOW64\\vfoycrtp\\ngrhspib.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe

Deletes itself 1 IoCs

pid	Process
2904	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2040	ngrhspib.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 2904	2040	ngrhspib.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
1952	sc.exe
1528	sc.exe
2856	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
2080	2040	WerFault.exe	92
2872	4528	WerFault.exe	81

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_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe
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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ngrhspib.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 4488	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	82
PID 4528 wrote to memory of 4488	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	82
PID 4528 wrote to memory of 4488	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	82
PID 4528 wrote to memory of 3492	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	84
PID 4528 wrote to memory of 3492	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	84
PID 4528 wrote to memory of 3492	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	84
PID 4528 wrote to memory of 1952	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	86
PID 4528 wrote to memory of 1952	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	86
PID 4528 wrote to memory of 1952	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	86
PID 4528 wrote to memory of 1528	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	88
PID 4528 wrote to memory of 1528	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	88
PID 4528 wrote to memory of 1528	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	88
PID 4528 wrote to memory of 2856	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	90
PID 4528 wrote to memory of 2856	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	90
PID 4528 wrote to memory of 2856	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	90
PID 4528 wrote to memory of 3708	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	93
PID 4528 wrote to memory of 3708	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	93
PID 4528 wrote to memory of 3708	4528	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	93
PID 2040 wrote to memory of 2904	2040	ngrhspib.exe	96
PID 2040 wrote to memory of 2904	2040	ngrhspib.exe	96
PID 2040 wrote to memory of 2904	2040	ngrhspib.exe	96
PID 2040 wrote to memory of 2904	2040	ngrhspib.exe	96
PID 2040 wrote to memory of 2904	2040	ngrhspib.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vfoycrtp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ngrhspib.exe" C:\Windows\SysWOW64\vfoycrtp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vfoycrtp binPath= "C:\Windows\SysWOW64\vfoycrtp\ngrhspib.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vfoycrtp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vfoycrtp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2856
- 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:3708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 676
  2⤵
  - Program crash
  PID:2872

C:\Windows\SysWOW64\vfoycrtp\ngrhspib.exe
C:\Windows\SysWOW64\vfoycrtp\ngrhspib.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 520
  2⤵
  - Program crash
  PID:2080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2040 -ip 2040
1⤵
PID:4748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4528 -ip 4528
1⤵
PID:2828

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\ngrhspib.exe

Filesize
10.9MB

MD5
bed6a35cf084cfb84d737380fe34c657

SHA1
06bd7414d905e5d26f04c95844e8cb37fccb06ac

SHA256
a2a3516515b091685a387e0f57dfc25f35ba995792229abc80a38c2e55042851

SHA512
3ccba7a14ddda109c077101c78262023e2752856e6aecb61deb35a3cd0ee6cfc487a53ad8b503da483ac1a55373177376d215e70a2868384367fae403f69b8ca

Download Submit
memory/2040-13-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2040-6-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2040-7-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2904-11-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/2904-20-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/2904-8-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/2904-19-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/2904-18-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/4528-16-0x0000000000520000-0x0000000000533000-memory.dmp

Filesize
76KB

Download
memory/4528-15-0x0000000000510000-0x000000000051D000-memory.dmp

Filesize
52KB

Download
memory/4528-0-0x0000000000510000-0x000000000051D000-memory.dmp

Filesize
52KB

Download
memory/4528-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4528-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4528-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4528-1-0x0000000000520000-0x0000000000533000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads