tofsee | 5bb6d4452191977be56ad5145aea155685b5e6ea4a019c9ab98e781f4d09dca3

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
07-01-2025 23:45

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General

Target

JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe
Size

12.6MB
MD5

7f90ff9d2dba4edc26a7410a0b557a41
SHA1

b50854f8852d7d6ccdd8a1cb86ab392d7704f716
SHA256

5bb6d4452191977be56ad5145aea155685b5e6ea4a019c9ab98e781f4d09dca3
SHA512

a1bad2c021a3846d5d191514edbb0dc563d9dd2ce26b095f9e3a7aabe5e566a132eaebefc1cb37587cdcb5c40f87d58e5b9565cd448f2f2109177d1e9dbee6f0
SSDEEP

49152:6/m3UeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeD:6

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

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\zmluqjaw = "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
2992	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\zmluqjaw\ImagePath = "C:\\Windows\\SysWOW64\\zmluqjaw\\hwbcweha.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2640	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	hwbcweha.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2760 set thread context of 2640	2760	hwbcweha.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2324	sc.exe
1984	sc.exe
2880	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_7f90ff9d2dba4edc26a7410a0b557a41.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
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	hwbcweha.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1976	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	30
PID 1732 wrote to memory of 1976	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	30
PID 1732 wrote to memory of 1976	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	30
PID 1732 wrote to memory of 1976	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	30
PID 1732 wrote to memory of 2284	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	32
PID 1732 wrote to memory of 2284	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	32
PID 1732 wrote to memory of 2284	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	32
PID 1732 wrote to memory of 2284	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	32
PID 1732 wrote to memory of 2324	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	34
PID 1732 wrote to memory of 2324	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	34
PID 1732 wrote to memory of 2324	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	34
PID 1732 wrote to memory of 2324	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	34
PID 1732 wrote to memory of 1984	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	36
PID 1732 wrote to memory of 1984	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	36
PID 1732 wrote to memory of 1984	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	36
PID 1732 wrote to memory of 1984	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	36
PID 1732 wrote to memory of 2880	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	38
PID 1732 wrote to memory of 2880	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	38
PID 1732 wrote to memory of 2880	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	38
PID 1732 wrote to memory of 2880	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	38
PID 1732 wrote to memory of 2992	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	41
PID 1732 wrote to memory of 2992	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	41
PID 1732 wrote to memory of 2992	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	41
PID 1732 wrote to memory of 2992	1732	JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe	41
PID 2760 wrote to memory of 2640	2760	hwbcweha.exe	43
PID 2760 wrote to memory of 2640	2760	hwbcweha.exe	43
PID 2760 wrote to memory of 2640	2760	hwbcweha.exe	43
PID 2760 wrote to memory of 2640	2760	hwbcweha.exe	43
PID 2760 wrote to memory of 2640	2760	hwbcweha.exe	43
PID 2760 wrote to memory of 2640	2760	hwbcweha.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zmluqjaw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hwbcweha.exe" C:\Windows\SysWOW64\zmluqjaw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2284
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zmluqjaw binPath= "C:\Windows\SysWOW64\zmluqjaw\hwbcweha.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zmluqjaw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zmluqjaw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- 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:2992

C:\Windows\SysWOW64\zmluqjaw\hwbcweha.exe
C:\Windows\SysWOW64\zmluqjaw\hwbcweha.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f90ff9d2dba4edc26a7410a0b557a41.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- 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:2640

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\hwbcweha.exe

Filesize
14.6MB

MD5
e162b2e09e9a76c563adf45e3ec3c4f0

SHA1
937e43c2554f28cb780118a7f40a8c22709829fd

SHA256
28d083e54c18ee7cfd30d3354228fd0487e40c25898f538fdf04fdd9a649b2f4

SHA512
86f51890e5e92633faf452508591d075b845169b3826ff82e53091326f6878a21f64dc06f48d8e67b99734c2bd3071a1f6d23a3deffc2998534e6b43d62fdecb

Download Submit
memory/1732-10-0x00000000017A0000-0x00000000018A0000-memory.dmp

Filesize
1024KB

Download
memory/1732-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1732-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1732-8-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/1732-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1732-1-0x00000000017A0000-0x00000000018A0000-memory.dmp

Filesize
1024KB

Download
memory/1732-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2640-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2760-16-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads