tofsee | b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 21:47

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General

Target

JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe
Size

285KB
MD5

af9e5d753d03655da119c7e35cb59c5f
SHA1

e2797ebf86a7d535cfebd2f3ff6ab022d7888aaf
SHA256

b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f
SHA512

93b09c81dcab40163afa8c75835b4bbcb5a87d378bbd7cccdc2fc96257c44b3882c1ab9b7ed14027d43ab10b5c00fb52d2bb2aedaa2c356697b69d0e317e2b99
SSDEEP

6144:ANXxcSzbHJgv0pc+mNAArvCkSIbceTdp45YakI/:ANXKsbHCcpWuaTJHpHav/

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\vgmwogho = "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
2956	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\vgmwogho\ImagePath = "C:\\Windows\\SysWOW64\\vgmwogho\\iljeyfpz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2784	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	iljeyfpz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2784	2736	iljeyfpz.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2880	sc.exe
2940	sc.exe
2752	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_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.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	iljeyfpz.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1620	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	31
PID 2340 wrote to memory of 1620	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	31
PID 2340 wrote to memory of 1620	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	31
PID 2340 wrote to memory of 1620	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	31
PID 2340 wrote to memory of 2200	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	33
PID 2340 wrote to memory of 2200	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	33
PID 2340 wrote to memory of 2200	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	33
PID 2340 wrote to memory of 2200	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	33
PID 2340 wrote to memory of 2880	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	35
PID 2340 wrote to memory of 2880	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	35
PID 2340 wrote to memory of 2880	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	35
PID 2340 wrote to memory of 2880	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	35
PID 2340 wrote to memory of 2940	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	37
PID 2340 wrote to memory of 2940	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	37
PID 2340 wrote to memory of 2940	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	37
PID 2340 wrote to memory of 2940	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	37
PID 2340 wrote to memory of 2752	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	39
PID 2340 wrote to memory of 2752	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	39
PID 2340 wrote to memory of 2752	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	39
PID 2340 wrote to memory of 2752	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	39
PID 2340 wrote to memory of 2956	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	42
PID 2340 wrote to memory of 2956	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	42
PID 2340 wrote to memory of 2956	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	42
PID 2340 wrote to memory of 2956	2340	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	42
PID 2736 wrote to memory of 2784	2736	iljeyfpz.exe	44
PID 2736 wrote to memory of 2784	2736	iljeyfpz.exe	44
PID 2736 wrote to memory of 2784	2736	iljeyfpz.exe	44
PID 2736 wrote to memory of 2784	2736	iljeyfpz.exe	44
PID 2736 wrote to memory of 2784	2736	iljeyfpz.exe	44
PID 2736 wrote to memory of 2784	2736	iljeyfpz.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vgmwogho\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iljeyfpz.exe" C:\Windows\SysWOW64\vgmwogho\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2200
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vgmwogho binPath= "C:\Windows\SysWOW64\vgmwogho\iljeyfpz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vgmwogho "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vgmwogho
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- 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:2956

C:\Windows\SysWOW64\vgmwogho\iljeyfpz.exe
C:\Windows\SysWOW64\vgmwogho\iljeyfpz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- 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:2784

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\iljeyfpz.exe

Filesize
10.0MB

MD5
54b0e1986e4da60ca4390dd3c4c3bebd

SHA1
3e741e077b905ead71c00aaef26f30181c4bf814

SHA256
016797dbcb9fa3fba85a3e5e27651175c75fcda4a207a6c0d140e250fe1c082f

SHA512
21c870f17dd2dca583ccd64adbb3c90568f45db538a4a34f1c28f97bf7d06e4566817aebcca1c7084fee490dd34762b282bc1bfc4c2bd915eee70d68dc757160

Download Submit
memory/2340-1-0x0000000002D30000-0x0000000002E30000-memory.dmp

Filesize
1024KB

Download
memory/2340-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2340-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2340-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2340-8-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2736-14-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2784-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads