tofsee | 8d1bf0e97686184c5836db9e0d96dad0f96d8292e1931e564195114d48a6a3ab

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 07:08

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General

Target

JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe
Size

12.0MB
MD5

9356a01842c62929ae89a5c5eac91bb3
SHA1

b921d4fb8d126b710b4faf8ae8754c47f9fd6daf
SHA256

8d1bf0e97686184c5836db9e0d96dad0f96d8292e1931e564195114d48a6a3ab
SHA512

6d440fb56c14b5d7eb8a338dc4a274ec5d39f486b6936fe934dbea0f35fd23b069963c4140cd61a4f5667395124e7e751784d3c830ebe5005b901a1ffbc427f8
SSDEEP

3072:yv0SX17yb9Mq/eNh36eSMXBUOh9W1HGwyPp0mV65po3QIZz50hbKwdqAlSTf6SlH:yw9MTh3cABrcHGwAc5povZ10MwdqAA/

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\sxdroazh = "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
2688	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\sxdroazh\ImagePath = "C:\\Windows\\SysWOW64\\sxdroazh\\zlgdkjjx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2832	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	zlgdkjjx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2832	2828	zlgdkjjx.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
2704	sc.exe
2780	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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_9356a01842c62929ae89a5c5eac91bb3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zlgdkjjx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2288	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	31
PID 2096 wrote to memory of 2288	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	31
PID 2096 wrote to memory of 2288	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	31
PID 2096 wrote to memory of 2288	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	31
PID 2096 wrote to memory of 2640	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	33
PID 2096 wrote to memory of 2640	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	33
PID 2096 wrote to memory of 2640	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	33
PID 2096 wrote to memory of 2640	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	33
PID 2096 wrote to memory of 2836	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	35
PID 2096 wrote to memory of 2836	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	35
PID 2096 wrote to memory of 2836	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	35
PID 2096 wrote to memory of 2836	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	35
PID 2096 wrote to memory of 2704	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	37
PID 2096 wrote to memory of 2704	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	37
PID 2096 wrote to memory of 2704	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	37
PID 2096 wrote to memory of 2704	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	37
PID 2096 wrote to memory of 2780	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	39
PID 2096 wrote to memory of 2780	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	39
PID 2096 wrote to memory of 2780	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	39
PID 2096 wrote to memory of 2780	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	39
PID 2096 wrote to memory of 2688	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	42
PID 2096 wrote to memory of 2688	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	42
PID 2096 wrote to memory of 2688	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	42
PID 2096 wrote to memory of 2688	2096	JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe	42
PID 2828 wrote to memory of 2832	2828	zlgdkjjx.exe	44
PID 2828 wrote to memory of 2832	2828	zlgdkjjx.exe	44
PID 2828 wrote to memory of 2832	2828	zlgdkjjx.exe	44
PID 2828 wrote to memory of 2832	2828	zlgdkjjx.exe	44
PID 2828 wrote to memory of 2832	2828	zlgdkjjx.exe	44
PID 2828 wrote to memory of 2832	2828	zlgdkjjx.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sxdroazh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2288
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zlgdkjjx.exe" C:\Windows\SysWOW64\sxdroazh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sxdroazh binPath= "C:\Windows\SysWOW64\sxdroazh\zlgdkjjx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sxdroazh "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 sxdroazh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2780
- 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:2688

C:\Windows\SysWOW64\sxdroazh\zlgdkjjx.exe
C:\Windows\SysWOW64\sxdroazh\zlgdkjjx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9356a01842c62929ae89a5c5eac91bb3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- 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:2832

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\zlgdkjjx.exe

Filesize
10.1MB

MD5
d86947f5c1bf5969963b30f14a645682

SHA1
c89f38a7414b5131c53e112917b2ea1af1b11a19

SHA256
b4d6bb288a4272ca0712c900d613df1c7bf6aeff6f120df09e682b243d4dad9a

SHA512
7b8a6633fd71c67d05001f59a51246fc8f75450dececf794490c7156a02c6378784d4be1f058b9846ba592d122ebf5549b59b5bd42139c06659fa2dab14fc883

Download Submit
memory/2096-9-0x00000000003A0000-0x00000000003B3000-memory.dmp

Filesize
76KB

Download
memory/2096-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2096-2-0x00000000003A0000-0x00000000003B3000-memory.dmp

Filesize
76KB

Download
memory/2096-8-0x0000000000400000-0x0000000002DA3000-memory.dmp

Filesize
41.6MB

Download
memory/2096-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2096-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2828-15-0x0000000000400000-0x0000000002DA3000-memory.dmp

Filesize
41.6MB

Download
memory/2832-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2832-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2832-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2832-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads