tofsee | d0978ac838d8b09d7ff16bb48f6f8cacde782a3850c72b6a43254125a3ade655

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
08-01-2025 13:42

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General

Target

JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe
Size

10.0MB
MD5

a278e4c790ac1ec17e6549ccb38c0113
SHA1

6284ed2b4d460a6df65ce9a0ebd33e4783501033
SHA256

d0978ac838d8b09d7ff16bb48f6f8cacde782a3850c72b6a43254125a3ade655
SHA512

e2d8b191f6182f71794fa571dc3780020bbebc9fa1f3576b980583c8a2a2a8de3e376fa0850aa8d412610a09cf6e832c9ba075dba12e6f08d60efcb1e0c66461
SSDEEP

12288:eZ93MVB6rNhb20I0Sq/bdcdKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK/:e73MVHJ0Sob

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\lvsabami = "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
2816	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\lvsabami\ImagePath = "C:\\Windows\\SysWOW64\\lvsabami\\ehfaublv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2848	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1988	ehfaublv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 2848	1988	ehfaublv.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1500	sc.exe
3056	sc.exe
2804	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	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.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	netsh.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	ehfaublv.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 1476	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	30
PID 804 wrote to memory of 1476	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	30
PID 804 wrote to memory of 1476	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	30
PID 804 wrote to memory of 1476	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	30
PID 804 wrote to memory of 3012	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	32
PID 804 wrote to memory of 3012	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	32
PID 804 wrote to memory of 3012	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	32
PID 804 wrote to memory of 3012	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	32
PID 804 wrote to memory of 1500	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	34
PID 804 wrote to memory of 1500	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	34
PID 804 wrote to memory of 1500	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	34
PID 804 wrote to memory of 1500	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	34
PID 804 wrote to memory of 3056	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	36
PID 804 wrote to memory of 3056	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	36
PID 804 wrote to memory of 3056	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	36
PID 804 wrote to memory of 3056	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	36
PID 804 wrote to memory of 2804	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	38
PID 804 wrote to memory of 2804	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	38
PID 804 wrote to memory of 2804	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	38
PID 804 wrote to memory of 2804	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	38
PID 804 wrote to memory of 2816	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	41
PID 804 wrote to memory of 2816	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	41
PID 804 wrote to memory of 2816	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	41
PID 804 wrote to memory of 2816	804	JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe	41
PID 1988 wrote to memory of 2848	1988	ehfaublv.exe	43
PID 1988 wrote to memory of 2848	1988	ehfaublv.exe	43
PID 1988 wrote to memory of 2848	1988	ehfaublv.exe	43
PID 1988 wrote to memory of 2848	1988	ehfaublv.exe	43
PID 1988 wrote to memory of 2848	1988	ehfaublv.exe	43
PID 1988 wrote to memory of 2848	1988	ehfaublv.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lvsabami\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1476
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ehfaublv.exe" C:\Windows\SysWOW64\lvsabami\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3012
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lvsabami binPath= "C:\Windows\SysWOW64\lvsabami\ehfaublv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1500
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lvsabami "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3056
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lvsabami
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:2816

C:\Windows\SysWOW64\lvsabami\ehfaublv.exe
C:\Windows\SysWOW64\lvsabami\ehfaublv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a278e4c790ac1ec17e6549ccb38c0113.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1988
- 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:2848

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\ehfaublv.exe

Filesize
12.6MB

MD5
e58eae0452ba8035dc670d60d2e7caa4

SHA1
a7f061977bd878bf53db0ffa86e4ffdfdcc81fc4

SHA256
04b4267a402ff4ce99addcddd47c2944e62b757b41a347d6c850261679444f4c

SHA512
27d9d2fe21045cc13a2c14e2a899364ffcdfc60f14037b974266652e521e8beee0a96a303ac7bbfe7ff8810465749e469de71c7e29935bd0583ff292a8914e59

Download Submit
memory/804-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/804-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/804-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/804-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/804-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/804-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/1988-15-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2848-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads