tofsee | eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 07:53

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General

Target

JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe
Size

147KB
MD5

8c9037ef39252b830c9f423eb5893543
SHA1

080ad0e6b966ff4a1eac5ff53bcd9f6204b2c75e
SHA256

eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad
SHA512

9652f12291b3604f2202f8436ed0de6faa746cfb0bfb01500a749d337b3c950dd71aa828e45458e1b07737b8547a6aad10507b33bb0bc3a94dfdc7e7000c6162
SSDEEP

3072:3b60anGsBzXDU0eSPafOWI5DnrcPI1ZeNPDEZYz:3bvantBrDUdJfZIcPI10Dea

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\lwhsdtwf = "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
2568	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\lwhsdtwf\ImagePath = "C:\\Windows\\SysWOW64\\lwhsdtwf\\igvhbxiy.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1752	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	igvhbxiy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 1752	2792	igvhbxiy.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2720	sc.exe
2560	sc.exe
2796	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igvhbxiy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2748	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	30
PID 2648 wrote to memory of 2748	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	30
PID 2648 wrote to memory of 2748	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	30
PID 2648 wrote to memory of 2748	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	30
PID 2648 wrote to memory of 2788	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	32
PID 2648 wrote to memory of 2788	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	32
PID 2648 wrote to memory of 2788	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	32
PID 2648 wrote to memory of 2788	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	32
PID 2648 wrote to memory of 2560	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	34
PID 2648 wrote to memory of 2560	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	34
PID 2648 wrote to memory of 2560	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	34
PID 2648 wrote to memory of 2560	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	34
PID 2648 wrote to memory of 2796	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	36
PID 2648 wrote to memory of 2796	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	36
PID 2648 wrote to memory of 2796	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	36
PID 2648 wrote to memory of 2796	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	36
PID 2648 wrote to memory of 2720	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	38
PID 2648 wrote to memory of 2720	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	38
PID 2648 wrote to memory of 2720	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	38
PID 2648 wrote to memory of 2720	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	38
PID 2648 wrote to memory of 2568	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	41
PID 2648 wrote to memory of 2568	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	41
PID 2648 wrote to memory of 2568	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	41
PID 2648 wrote to memory of 2568	2648	JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe	41
PID 2792 wrote to memory of 1752	2792	igvhbxiy.exe	43
PID 2792 wrote to memory of 1752	2792	igvhbxiy.exe	43
PID 2792 wrote to memory of 1752	2792	igvhbxiy.exe	43
PID 2792 wrote to memory of 1752	2792	igvhbxiy.exe	43
PID 2792 wrote to memory of 1752	2792	igvhbxiy.exe	43
PID 2792 wrote to memory of 1752	2792	igvhbxiy.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lwhsdtwf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\igvhbxiy.exe" C:\Windows\SysWOW64\lwhsdtwf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lwhsdtwf binPath= "C:\Windows\SysWOW64\lwhsdtwf\igvhbxiy.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lwhsdtwf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lwhsdtwf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- 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:2568

C:\Windows\SysWOW64\lwhsdtwf\igvhbxiy.exe
C:\Windows\SysWOW64\lwhsdtwf\igvhbxiy.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- 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:1752

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\igvhbxiy.exe

Filesize
11.4MB

MD5
b940383d9e0f4710592e2a3ff8491534

SHA1
5c82890e72cf1721632af567595bc1e922092229

SHA256
ad7df49ed12fbb52ab4c0ae47b9039689799d81f111bd5aed6c8d24292603a49

SHA512
ebeb0741512ccc70fbab60437727c0686c06e47e4e0c2422b8684a934f9585e9ff6cbcab6a918ec8cb9944fbed49ba8a1815410e31fc6b0166b80205a3a74466

Download Submit
memory/1752-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1752-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1752-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1752-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1752-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2648-8-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2648-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2648-10-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2648-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2648-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2792-16-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads