tofsee | 11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 21:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe
Size

291KB
MD5

780b60facfcf100af7a2d30da62ddf3d
SHA1

17c31df57ed29494f39b0091e7ba3fe459018644
SHA256

11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced
SHA512

87828565200be79a86d401bdb5a30d063171c28de7bc030baa29d03a3dc2ac9d6d1b38c3b6c0a41c5f998d1c7b23891a6075b0d810d097670e8a41c0d928f453
SSDEEP

6144:M6k6SmTHN6W9Blk5gi615mof8WBCAb81wp:MZFmN6W9BlYgi6DAiCAbA

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\wmhxkuzm = "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
2772	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\wmhxkuzm\ImagePath = "C:\\Windows\\SysWOW64\\wmhxkuzm\\nxlcfspe.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2668	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2292	nxlcfspe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 2668	2292	nxlcfspe.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2740	sc.exe
2704	sc.exe
2824	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nxlcfspe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 236 wrote to memory of 1716	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	30
PID 236 wrote to memory of 1716	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	30
PID 236 wrote to memory of 1716	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	30
PID 236 wrote to memory of 1716	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	30
PID 236 wrote to memory of 2424	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	32
PID 236 wrote to memory of 2424	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	32
PID 236 wrote to memory of 2424	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	32
PID 236 wrote to memory of 2424	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	32
PID 236 wrote to memory of 2704	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	34
PID 236 wrote to memory of 2704	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	34
PID 236 wrote to memory of 2704	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	34
PID 236 wrote to memory of 2704	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	34
PID 236 wrote to memory of 2824	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	36
PID 236 wrote to memory of 2824	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	36
PID 236 wrote to memory of 2824	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	36
PID 236 wrote to memory of 2824	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	36
PID 236 wrote to memory of 2740	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	38
PID 236 wrote to memory of 2740	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	38
PID 236 wrote to memory of 2740	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	38
PID 236 wrote to memory of 2740	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	38
PID 236 wrote to memory of 2772	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	41
PID 236 wrote to memory of 2772	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	41
PID 236 wrote to memory of 2772	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	41
PID 236 wrote to memory of 2772	236	JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe	41
PID 2292 wrote to memory of 2668	2292	nxlcfspe.exe	43
PID 2292 wrote to memory of 2668	2292	nxlcfspe.exe	43
PID 2292 wrote to memory of 2668	2292	nxlcfspe.exe	43
PID 2292 wrote to memory of 2668	2292	nxlcfspe.exe	43
PID 2292 wrote to memory of 2668	2292	nxlcfspe.exe	43
PID 2292 wrote to memory of 2668	2292	nxlcfspe.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:236
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wmhxkuzm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nxlcfspe.exe" C:\Windows\SysWOW64\wmhxkuzm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wmhxkuzm binPath= "C:\Windows\SysWOW64\wmhxkuzm\nxlcfspe.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wmhxkuzm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wmhxkuzm
  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:2772

C:\Windows\SysWOW64\wmhxkuzm\nxlcfspe.exe
C:\Windows\SysWOW64\wmhxkuzm\nxlcfspe.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11d49902844ec882859eb77c3290075e777b549160f222a3b40223f2f46c2ced.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- 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:2668

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nxlcfspe.exe

Filesize
10.1MB

MD5
c18b5b9087b5caad54306b74d0faa8fc

SHA1
d667b9ffae6fc546c27f13deefbb4c4c1b47941f

SHA256
c68ddf03a724a770dbb5b880c46edbfbc218d11156f5963487173b5b6d0d0da3

SHA512
a95e52e2e6f83e87acf9feeaa16763216fc9b5b772c815953affd8f484d4214bb29d74897c0e55a8319f72aabade0cc19e9efe30bac74154c16808db9eca512f

Download Submit
memory/236-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/236-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/236-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/236-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/236-9-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/236-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/236-7-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2292-18-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2668-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads