tofsee | ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 01:08

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General

Target

JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe
Size

209KB
MD5

e82c12ac55c0311711662933ac992adb
SHA1

def513d7900933a49e29246ad3c3477090d57c25
SHA256

ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81
SHA512

84d22716e46f571c29de52b536423fd5e6ddc6b4302fa8dfb1a151e20022e3a912bd6f924d70f4b9242cf5bd63e79652cb839b7cd71357c37f4b0391063bad95
SSDEEP

6144:h8efQLO1hTJO9iaQF/SE+Zdq5bdb7ITsq4:h8eIQhTk9TQxfcdgbh7

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

mubrikych.top

oxxyfix.xyz

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\lzllgmrk = "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
2440	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\lzllgmrk\ImagePath = "C:\\Windows\\SysWOW64\\lzllgmrk\\njrpcazg.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2632	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	njrpcazg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 2632	2976	njrpcazg.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2248	sc.exe
2832	sc.exe
2768	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	njrpcazg.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	sc.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2108	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	31
PID 2428 wrote to memory of 2108	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	31
PID 2428 wrote to memory of 2108	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	31
PID 2428 wrote to memory of 2108	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	31
PID 2428 wrote to memory of 2556	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	33
PID 2428 wrote to memory of 2556	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	33
PID 2428 wrote to memory of 2556	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	33
PID 2428 wrote to memory of 2556	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	33
PID 2428 wrote to memory of 2248	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	35
PID 2428 wrote to memory of 2248	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	35
PID 2428 wrote to memory of 2248	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	35
PID 2428 wrote to memory of 2248	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	35
PID 2428 wrote to memory of 2832	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	37
PID 2428 wrote to memory of 2832	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	37
PID 2428 wrote to memory of 2832	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	37
PID 2428 wrote to memory of 2832	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	37
PID 2428 wrote to memory of 2768	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	39
PID 2428 wrote to memory of 2768	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	39
PID 2428 wrote to memory of 2768	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	39
PID 2428 wrote to memory of 2768	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	39
PID 2428 wrote to memory of 2440	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	42
PID 2428 wrote to memory of 2440	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	42
PID 2428 wrote to memory of 2440	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	42
PID 2428 wrote to memory of 2440	2428	JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe	42
PID 2976 wrote to memory of 2632	2976	njrpcazg.exe	44
PID 2976 wrote to memory of 2632	2976	njrpcazg.exe	44
PID 2976 wrote to memory of 2632	2976	njrpcazg.exe	44
PID 2976 wrote to memory of 2632	2976	njrpcazg.exe	44
PID 2976 wrote to memory of 2632	2976	njrpcazg.exe	44
PID 2976 wrote to memory of 2632	2976	njrpcazg.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lzllgmrk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\njrpcazg.exe" C:\Windows\SysWOW64\lzllgmrk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2556
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lzllgmrk binPath= "C:\Windows\SysWOW64\lzllgmrk\njrpcazg.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lzllgmrk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lzllgmrk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- 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:2440

C:\Windows\SysWOW64\lzllgmrk\njrpcazg.exe
C:\Windows\SysWOW64\lzllgmrk\njrpcazg.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed3974b35c98e3801bcb42b98d9e9f3ec4b41b280fa07df3527f22ce5adf2e81.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- 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:2632

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\njrpcazg.exe

Filesize
12.9MB

MD5
47fc46d08fdf42c15783b6e769048c33

SHA1
48e658cf09143ed795c57ff30b6ead2aecdcf784

SHA256
a97778c668f6aa012ece39dabebe01ffce0ecdae4d15fbef7c965be3e5f52d03

SHA512
ac8715ba44f50df9bcc9c463e1b98759669aa48b41a6dff58309dccf13f47098e984c1f3cf1f3e8d630336306d144dfcb20d924144885b4fde526953ae0b253a

Download Submit
memory/2428-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2428-8-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2428-1-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/2428-5-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download
memory/2428-7-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download
memory/2428-0-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2428-9-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/2428-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2632-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2632-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2632-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2632-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2976-16-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads