tofsee | 4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 14:04

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General

Target

JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe
Size

164KB
MD5

d649d038cbf42befb5e8a84c0c0409df
SHA1

cb7c56f0e704a6d0ea3e30cf3cc5b3db5b14a617
SHA256

4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115
SHA512

4ee8b9a76e54a7b4cfbb1e32f61095ba4dac4a046612f263ca7bb63d302660f7f8c05c6f11c038f62d6541919f37cb8ac5b7b205ecd05a072c8e8dba956fe4ed
SSDEEP

3072:xhqN3KT33532RxJqf6Is57HoWx3xS9H6S:xsNE33532tjEa

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\vxodqjii = "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
2684	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\vxodqjii\ImagePath = "C:\\Windows\\SysWOW64\\vxodqjii\\sidpjvzr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2620	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	sidpjvzr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2620	2744	sidpjvzr.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2700	sc.exe
2772	sc.exe
2764	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	cmd.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	sidpjvzr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2728	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	30
PID 2092 wrote to memory of 2728	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	30
PID 2092 wrote to memory of 2728	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	30
PID 2092 wrote to memory of 2728	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	30
PID 2092 wrote to memory of 2852	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	32
PID 2092 wrote to memory of 2852	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	32
PID 2092 wrote to memory of 2852	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	32
PID 2092 wrote to memory of 2852	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	32
PID 2092 wrote to memory of 2700	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	34
PID 2092 wrote to memory of 2700	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	34
PID 2092 wrote to memory of 2700	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	34
PID 2092 wrote to memory of 2700	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	34
PID 2092 wrote to memory of 2772	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	36
PID 2092 wrote to memory of 2772	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	36
PID 2092 wrote to memory of 2772	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	36
PID 2092 wrote to memory of 2772	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	36
PID 2092 wrote to memory of 2764	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	38
PID 2092 wrote to memory of 2764	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	38
PID 2092 wrote to memory of 2764	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	38
PID 2092 wrote to memory of 2764	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	38
PID 2092 wrote to memory of 2684	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	41
PID 2092 wrote to memory of 2684	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	41
PID 2092 wrote to memory of 2684	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	41
PID 2092 wrote to memory of 2684	2092	JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe	41
PID 2744 wrote to memory of 2620	2744	sidpjvzr.exe	43
PID 2744 wrote to memory of 2620	2744	sidpjvzr.exe	43
PID 2744 wrote to memory of 2620	2744	sidpjvzr.exe	43
PID 2744 wrote to memory of 2620	2744	sidpjvzr.exe	43
PID 2744 wrote to memory of 2620	2744	sidpjvzr.exe	43
PID 2744 wrote to memory of 2620	2744	sidpjvzr.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vxodqjii\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sidpjvzr.exe" C:\Windows\SysWOW64\vxodqjii\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vxodqjii binPath= "C:\Windows\SysWOW64\vxodqjii\sidpjvzr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vxodqjii "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vxodqjii
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2764
- 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:2684

C:\Windows\SysWOW64\vxodqjii\sidpjvzr.exe
C:\Windows\SysWOW64\vxodqjii\sidpjvzr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c02eaf72087d84609c6a3ab2b1f937b9610cfce1c088480efef333c788f2115.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- 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:2620

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
10.7MB

MD5
626b04823668cf70a37530132a06a08c

SHA1
638a2ad2b9934f82ed07fb8674764bcd944c66fa

SHA256
bdecf4e92346b611968ace52d316498e142488fffe81dd1dcd520fa461c1fbd5

SHA512
1ca746c0ddd737ab5b6060b642561cc65399b1701327ebda015b3ff43bb0ae3a697714856682919be80e452e7b2e8445df1a639eca1b1e95ae59ecc035fdefa0

Download Submit
memory/2092-8-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2092-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2092-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2092-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2092-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2092-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2620-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2620-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2620-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2620-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2744-15-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads