tofsee | e385027bf50361742ca9a6a3d9c179cde61b1f2de98fc59e43574c9775c0dbb6

Analysis

max time kernel
144s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 05:05

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General

Target

JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe
Size

12.7MB
MD5

dba85cdc0e89cd40923b53f496ae1764
SHA1

375b729f779ddd55457ab70806dfeebc8d4c6099
SHA256

e385027bf50361742ca9a6a3d9c179cde61b1f2de98fc59e43574c9775c0dbb6
SHA512

bd1c24111e28e7956157f9d9a8f52ee431d01aa34bea9e670819e85b8c1e2e73fcc98873235fb799501b63f5eff6c1320ce8319573d1e37f56db26e67c586405
SSDEEP

196608:sT6666666666666666666666666666666666666666666666666666666666666+:s

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\lglhzcff = "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
1964	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\lglhzcff\ImagePath = "C:\\Windows\\SysWOW64\\lglhzcff\\uxvqkrbl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2872	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	uxvqkrbl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 2872	2720	uxvqkrbl.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2788	sc.exe
2824	sc.exe
2864	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uxvqkrbl.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.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 2524 wrote to memory of 2412	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	30
PID 2524 wrote to memory of 2412	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	30
PID 2524 wrote to memory of 2412	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	30
PID 2524 wrote to memory of 2412	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	30
PID 2524 wrote to memory of 2528	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	32
PID 2524 wrote to memory of 2528	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	32
PID 2524 wrote to memory of 2528	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	32
PID 2524 wrote to memory of 2528	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	32
PID 2524 wrote to memory of 2788	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	34
PID 2524 wrote to memory of 2788	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	34
PID 2524 wrote to memory of 2788	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	34
PID 2524 wrote to memory of 2788	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	34
PID 2524 wrote to memory of 2824	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	36
PID 2524 wrote to memory of 2824	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	36
PID 2524 wrote to memory of 2824	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	36
PID 2524 wrote to memory of 2824	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	36
PID 2524 wrote to memory of 2864	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	38
PID 2524 wrote to memory of 2864	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	38
PID 2524 wrote to memory of 2864	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	38
PID 2524 wrote to memory of 2864	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	38
PID 2524 wrote to memory of 1964	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	41
PID 2524 wrote to memory of 1964	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	41
PID 2524 wrote to memory of 1964	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	41
PID 2524 wrote to memory of 1964	2524	JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe	41
PID 2720 wrote to memory of 2872	2720	uxvqkrbl.exe	43
PID 2720 wrote to memory of 2872	2720	uxvqkrbl.exe	43
PID 2720 wrote to memory of 2872	2720	uxvqkrbl.exe	43
PID 2720 wrote to memory of 2872	2720	uxvqkrbl.exe	43
PID 2720 wrote to memory of 2872	2720	uxvqkrbl.exe	43
PID 2720 wrote to memory of 2872	2720	uxvqkrbl.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lglhzcff\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2412
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uxvqkrbl.exe" C:\Windows\SysWOW64\lglhzcff\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lglhzcff binPath= "C:\Windows\SysWOW64\lglhzcff\uxvqkrbl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lglhzcff "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 lglhzcff
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- 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:1964

C:\Windows\SysWOW64\lglhzcff\uxvqkrbl.exe
C:\Windows\SysWOW64\lglhzcff\uxvqkrbl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dba85cdc0e89cd40923b53f496ae1764.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- 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:2872

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\uxvqkrbl.exe

Filesize
12.2MB

MD5
2e3ccfec8b2ba3bcc5ac16efb728e72e

SHA1
d67140157fdd206931fe52343f31dc987d1e1c9d

SHA256
5f5687ed5648d92052d52c14044344e9946eef915c6cde7954df833440a0a8c6

SHA512
33a24988a6fb6545d99a74f68b31e7da4926ef2421234498d0b09d4b47f601f2fe6f8f98f8fdda478f30e99c85bc9a98af78c53455d5542f8f81314fdd7935fb

Download Submit
memory/2524-8-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2524-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2524-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2524-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2524-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2524-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/2720-17-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2872-16-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2872-14-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2872-18-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2872-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2872-11-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads