tofsee | 07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 14:17

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General

Target

JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe
Size

198KB
MD5

3ec8e58a92565c4ced1145c1c72ab6ec
SHA1

a34a09a7adc735bf169b9ec84d11f64f68132270
SHA256

07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808
SHA512

b8fab3c46dc352f6bc1e25d1df6a50620e3b6e212b4f2e7540fd2fd343420d83ba059e6e10ff7b419273254fe6a44e72226bf1a3c4fd9209ad768857e6f32e41
SSDEEP

3072:NnrGi1mhhahmGJlLRwdSFK5KircPI1ZeNMkcx8EuSzsz:NrGi1mhZGJFGq0cPI1siuSz+

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

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\uxzsnrim = "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
2884	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\uxzsnrim\ImagePath = "C:\\Windows\\SysWOW64\\uxzsnrim\\sidpjvzr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2816	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	sidpjvzr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 2816	2752	sidpjvzr.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2760	sc.exe
2892	sc.exe
2308	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	netsh.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	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sidpjvzr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1052	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	30
PID 1732 wrote to memory of 1052	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	30
PID 1732 wrote to memory of 1052	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	30
PID 1732 wrote to memory of 1052	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	30
PID 1732 wrote to memory of 2920	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	32
PID 1732 wrote to memory of 2920	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	32
PID 1732 wrote to memory of 2920	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	32
PID 1732 wrote to memory of 2920	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	32
PID 1732 wrote to memory of 2308	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	34
PID 1732 wrote to memory of 2308	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	34
PID 1732 wrote to memory of 2308	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	34
PID 1732 wrote to memory of 2308	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	34
PID 1732 wrote to memory of 2760	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	36
PID 1732 wrote to memory of 2760	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	36
PID 1732 wrote to memory of 2760	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	36
PID 1732 wrote to memory of 2760	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	36
PID 1732 wrote to memory of 2892	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	38
PID 1732 wrote to memory of 2892	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	38
PID 1732 wrote to memory of 2892	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	38
PID 1732 wrote to memory of 2892	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	38
PID 1732 wrote to memory of 2884	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	41
PID 1732 wrote to memory of 2884	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	41
PID 1732 wrote to memory of 2884	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	41
PID 1732 wrote to memory of 2884	1732	JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe	41
PID 2752 wrote to memory of 2816	2752	sidpjvzr.exe	43
PID 2752 wrote to memory of 2816	2752	sidpjvzr.exe	43
PID 2752 wrote to memory of 2816	2752	sidpjvzr.exe	43
PID 2752 wrote to memory of 2816	2752	sidpjvzr.exe	43
PID 2752 wrote to memory of 2816	2752	sidpjvzr.exe	43
PID 2752 wrote to memory of 2816	2752	sidpjvzr.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uxzsnrim\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sidpjvzr.exe" C:\Windows\SysWOW64\uxzsnrim\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uxzsnrim binPath= "C:\Windows\SysWOW64\uxzsnrim\sidpjvzr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2308
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uxzsnrim "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uxzsnrim
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2892
- 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:2884

C:\Windows\SysWOW64\uxzsnrim\sidpjvzr.exe
C:\Windows\SysWOW64\uxzsnrim\sidpjvzr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07635e09b07f448dae84a64557fbd6214ae2be52391ab67257fe53fb42fbb808.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- 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:2816

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\sidpjvzr.exe

Filesize
12.9MB

MD5
851122e53577291ad48fb2de95c7bce1

SHA1
45b92e5c42b0f4d5506da9b54f22a00f87578567

SHA256
41a048a2b4906ca7188993bea3e56973fd80ca08cc37eda34a1cac0bbf75a474

SHA512
44d366e476db6ee10b0226e60f72c9b7febc58e07189084269561c2bd7174fc7bdb04b00aa0ab747e0a4c7b0d0fcf8ee6f2acb907a2c5a40cc58f696ed6c724a

Download Submit
memory/1732-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1732-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1732-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1732-8-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1732-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1732-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/2752-17-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2816-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads