tofsee | 116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90

Analysis

max time kernel
150s
max time network
140s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 05:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe
Size

294KB
MD5

a1bdfd66929511e7bbcc0ce444d1a0c0
SHA1

dcbaebdb5056efacf8175f9ee02dadbbadc3133b
SHA256

116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90
SHA512

3e72e65bd3cbf4f518f3c25cd149f99282cd351cd79899081688fb019d4ec3860c30b0076f096bd06fe844720eca0dce5309740b92e0c5c4f206818aebc31fbc
SSDEEP

6144:qZVs9POvu5Qi21Dqcjah3gd01p9JQ98JCYkM:qMmuGVDqcld039JQ0C

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

patmushta.info

parubey.info

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\yhytyhhl = "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
2868	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\yhytyhhl\ImagePath = "C:\\Windows\\SysWOW64\\yhytyhhl\\xoczmsv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2732	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3036	xoczmsv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3036 set thread context of 2732	3036	xoczmsv.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2400	sc.exe
2704	sc.exe
2240	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_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.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	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	xoczmsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2160	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	30
PID 2000 wrote to memory of 2160	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	30
PID 2000 wrote to memory of 2160	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	30
PID 2000 wrote to memory of 2160	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	30
PID 2000 wrote to memory of 2148	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	32
PID 2000 wrote to memory of 2148	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	32
PID 2000 wrote to memory of 2148	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	32
PID 2000 wrote to memory of 2148	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	32
PID 2000 wrote to memory of 2400	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	34
PID 2000 wrote to memory of 2400	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	34
PID 2000 wrote to memory of 2400	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	34
PID 2000 wrote to memory of 2400	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	34
PID 2000 wrote to memory of 2704	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	36
PID 2000 wrote to memory of 2704	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	36
PID 2000 wrote to memory of 2704	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	36
PID 2000 wrote to memory of 2704	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	36
PID 2000 wrote to memory of 2240	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	38
PID 2000 wrote to memory of 2240	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	38
PID 2000 wrote to memory of 2240	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	38
PID 2000 wrote to memory of 2240	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	38
PID 2000 wrote to memory of 2868	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	42
PID 2000 wrote to memory of 2868	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	42
PID 2000 wrote to memory of 2868	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	42
PID 2000 wrote to memory of 2868	2000	JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe	42
PID 3036 wrote to memory of 2732	3036	xoczmsv.exe	44
PID 3036 wrote to memory of 2732	3036	xoczmsv.exe	44
PID 3036 wrote to memory of 2732	3036	xoczmsv.exe	44
PID 3036 wrote to memory of 2732	3036	xoczmsv.exe	44
PID 3036 wrote to memory of 2732	3036	xoczmsv.exe	44
PID 3036 wrote to memory of 2732	3036	xoczmsv.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yhytyhhl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xoczmsv.exe" C:\Windows\SysWOW64\yhytyhhl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2148
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yhytyhhl binPath= "C:\Windows\SysWOW64\yhytyhhl\xoczmsv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2400
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yhytyhhl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start yhytyhhl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2240
- 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:2868

C:\Windows\SysWOW64\yhytyhhl\xoczmsv.exe
C:\Windows\SysWOW64\yhytyhhl\xoczmsv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_116b97527179910ca3fc8f83b19b462c9458e9171b6b8fee2d5cb15f0e7bea90.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- 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:2732

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
11.1MB

MD5
0b8b1c30d6a2127d3c5db691f4fb0ffb

SHA1
c3c549ad2dc2d098f06b8721a7357cbe91553b53

SHA256
d4beb986bd23db8560b6241f2179dd5bbbf52c263333db1d2347ff931aa92e97

SHA512
b91ef98f9c88abf4cbc2da99c3bd5738359f313e081e8f5a439066948d3569aef35d0244d22e73fc4331d18eeaa4304947149ccdb6003a235f4612af74ecd84b

Download Submit
memory/2000-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2000-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2000-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2000-8-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2000-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2000-1-0x00000000008A0000-0x00000000009A0000-memory.dmp

Filesize
1024KB

Download
memory/2732-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3036-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads