tofsee | c04a5f65f05b9b01b6b4c594a5e7a20c5d6a0cc78e92a782fba497dae49f60d9

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
30-11-2024 02:03

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General

Target

b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe
Size

11.2MB
MD5

b45db2c776b80d9917734597ec4aaec7
SHA1

9036a908ff16d45a0ce8a281e73665affd118091
SHA256

c04a5f65f05b9b01b6b4c594a5e7a20c5d6a0cc78e92a782fba497dae49f60d9
SHA512

47a66f3b5e22d1045a71216fca4afd843f264f5046f3f7a9483e14964a0d42293b9b06c7baee7e9b09adfa6a98a67ba6073b7b9366169ca4cca7e7d912629365
SSDEEP

6144:CVLzTNrHtNo3azgzs1anrC+ekTXiRpYjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjD:CVL3NrTo3bjLTM

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\ncfyitlf = "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
2880	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\ncfyitlf\ImagePath = "C:\\Windows\\SysWOW64\\ncfyitlf\\szxiniwk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2756	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	szxiniwk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 2756	2860	szxiniwk.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2900	sc.exe
2472	sc.exe
2740	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	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	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szxiniwk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 2052	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	30
PID 2568 wrote to memory of 2052	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	30
PID 2568 wrote to memory of 2052	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	30
PID 2568 wrote to memory of 2052	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	30
PID 2568 wrote to memory of 2336	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	32
PID 2568 wrote to memory of 2336	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	32
PID 2568 wrote to memory of 2336	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	32
PID 2568 wrote to memory of 2336	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	32
PID 2568 wrote to memory of 2900	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	34
PID 2568 wrote to memory of 2900	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	34
PID 2568 wrote to memory of 2900	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	34
PID 2568 wrote to memory of 2900	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	34
PID 2568 wrote to memory of 2472	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	36
PID 2568 wrote to memory of 2472	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	36
PID 2568 wrote to memory of 2472	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	36
PID 2568 wrote to memory of 2472	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	36
PID 2568 wrote to memory of 2740	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	38
PID 2568 wrote to memory of 2740	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	38
PID 2568 wrote to memory of 2740	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	38
PID 2568 wrote to memory of 2740	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	38
PID 2568 wrote to memory of 2880	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	41
PID 2568 wrote to memory of 2880	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	41
PID 2568 wrote to memory of 2880	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	41
PID 2568 wrote to memory of 2880	2568	b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe	41
PID 2860 wrote to memory of 2756	2860	szxiniwk.exe	43
PID 2860 wrote to memory of 2756	2860	szxiniwk.exe	43
PID 2860 wrote to memory of 2756	2860	szxiniwk.exe	43
PID 2860 wrote to memory of 2756	2860	szxiniwk.exe	43
PID 2860 wrote to memory of 2756	2860	szxiniwk.exe	43
PID 2860 wrote to memory of 2756	2860	szxiniwk.exe	43

C:\Users\Admin\AppData\Local\Temp\b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ncfyitlf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\szxiniwk.exe" C:\Windows\SysWOW64\ncfyitlf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2336
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ncfyitlf binPath= "C:\Windows\SysWOW64\ncfyitlf\szxiniwk.exe /d\"C:\Users\Admin\AppData\Local\Temp\b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2900
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ncfyitlf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ncfyitlf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- 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:2880

C:\Windows\SysWOW64\ncfyitlf\szxiniwk.exe
C:\Windows\SysWOW64\ncfyitlf\szxiniwk.exe /d"C:\Users\Admin\AppData\Local\Temp\b45db2c776b80d9917734597ec4aaec7_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- 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:2756

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\szxiniwk.exe

Filesize
13.3MB

MD5
b3c55cc6d814d495632c4c7c9c5c8ea2

SHA1
6e657e12c0423dd8ae69824024f47fb4ffffd81f

SHA256
a019ad7760a9cd51395847039ff29d3e23693eeee3a81ae2b8dafc116b0f8b3b

SHA512
30c961cb0d6f95c48362248a713d564bb9fedea4e40f6ac72ff0ce0e5e0dff6b09039077d067f963bc22103c9c4e6095ef671258cb3fa7d2626a2acca0fd308b

Download Submit
memory/2568-8-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2568-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2568-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2568-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2568-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2568-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2756-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2860-17-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads