tofsee | fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 19:59

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General

Target

JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe
Size

160KB
MD5

f7362c11138f5fb89143d4e97419b015
SHA1

f67454310411f4d89d34699b5faa8f5643806de6
SHA256

fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f
SHA512

c242fb26590cae181260ab8d8c786f69821d4131478c1d8a08beca116db329080eb28020b8636bc70907ced218913f802ec32e6621e349ebe13a596c090b6c12
SSDEEP

1536:9aCl+iglHErWOeaAnDt45cNQ6nVGAk/m1AR8bFgrTTN2FJpstlLnDe06IO4gGGH5:IFqSV7W5vnw7JSTrMIWQLDP9KmMFTe0

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ptehdyhl = "0"	svchost.exe

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
1256	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\ptehdyhl\ImagePath = "C:\\Windows\\SysWOW64\\ptehdyhl\\dzootagx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2600	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	dzootagx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2600	2832	dzootagx.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2724	sc.exe
2624	sc.exe
2788	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	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dzootagx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2792	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	31
PID 2132 wrote to memory of 2792	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	31
PID 2132 wrote to memory of 2792	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	31
PID 2132 wrote to memory of 2792	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	31
PID 2132 wrote to memory of 2824	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	33
PID 2132 wrote to memory of 2824	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	33
PID 2132 wrote to memory of 2824	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	33
PID 2132 wrote to memory of 2824	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	33
PID 2132 wrote to memory of 2724	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	35
PID 2132 wrote to memory of 2724	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	35
PID 2132 wrote to memory of 2724	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	35
PID 2132 wrote to memory of 2724	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	35
PID 2132 wrote to memory of 2624	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	37
PID 2132 wrote to memory of 2624	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	37
PID 2132 wrote to memory of 2624	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	37
PID 2132 wrote to memory of 2624	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	37
PID 2132 wrote to memory of 2788	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	39
PID 2132 wrote to memory of 2788	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	39
PID 2132 wrote to memory of 2788	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	39
PID 2132 wrote to memory of 2788	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	39
PID 2832 wrote to memory of 2600	2832	dzootagx.exe	42
PID 2832 wrote to memory of 2600	2832	dzootagx.exe	42
PID 2832 wrote to memory of 2600	2832	dzootagx.exe	42
PID 2832 wrote to memory of 2600	2832	dzootagx.exe	42
PID 2832 wrote to memory of 2600	2832	dzootagx.exe	42
PID 2832 wrote to memory of 2600	2832	dzootagx.exe	42
PID 2132 wrote to memory of 1256	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	43
PID 2132 wrote to memory of 1256	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	43
PID 2132 wrote to memory of 1256	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	43
PID 2132 wrote to memory of 1256	2132	JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ptehdyhl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dzootagx.exe" C:\Windows\SysWOW64\ptehdyhl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ptehdyhl binPath= "C:\Windows\SysWOW64\ptehdyhl\dzootagx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ptehdyhl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ptehdyhl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- 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:1256

C:\Windows\SysWOW64\ptehdyhl\dzootagx.exe
C:\Windows\SysWOW64\ptehdyhl\dzootagx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda6b81845b74210279a7797739ba4deddebf04f6b1b9a7dff4a38a793808e1f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dzootagx.exe

Filesize
12.7MB

MD5
9e19372950b6fd5b6d81a711a44a3d48

SHA1
2d0a76c840aca5b6bf787570798316a37dd81662

SHA256
1ce223a9a5d0c54410ef1422db1024fa83c4d496845bfabcfd3bd8856212b5d4

SHA512
bf036c4f541c5d58f1afb08fb9170d7caef23ea924fdaf395763c9f0761f34834f54e8502bce7eb60a1636676b0f462f487e8d1dfc45a8529a73514885b52151

Download Submit
memory/2132-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2132-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2132-1-0x00000000003D0000-0x00000000003E3000-memory.dmp

Filesize
76KB

Download
memory/2132-12-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2132-0-0x00000000003A0000-0x00000000003AD000-memory.dmp

Filesize
52KB

Download
memory/2132-14-0x00000000003A0000-0x00000000003AD000-memory.dmp

Filesize
52KB

Download
memory/2132-13-0x00000000003D0000-0x00000000003E3000-memory.dmp

Filesize
76KB

Download
memory/2600-9-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2600-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-6-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2600-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2600-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2832-11-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads