tofsee | c466c81252bad216e977913ad8ca17ba679e9e3face818c2ba85bb8bbc5a9346

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 14:06

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General

Target

JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe
Size

12.5MB
MD5

6d2c4d0bb3c69b3ef5c0580bf12811c0
SHA1

ab43ca8fabbb2dde3b73faa2bb6c6ae49c119345
SHA256

c466c81252bad216e977913ad8ca17ba679e9e3face818c2ba85bb8bbc5a9346
SHA512

73c5cdde6145fd1e3c13e2e993482c2f5611db339ff6e91ccaacbc7a0bbc02f80a4b08278a342abb64b9a44f04a93b9381f75237d9a93ff1a29dafd50268f2ec
SSDEEP

24576:1/FfqVdOBr70Fm09999999999999999999999999999999999999999999999991:RFU

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\mqlrhaij = "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
2884	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\mqlrhaij\ImagePath = "C:\\Windows\\SysWOW64\\mqlrhaij\\dvnutkvc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2912	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	dvnutkvc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2912	2824	dvnutkvc.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2580	sc.exe
1548	sc.exe
2720	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_6d2c4d0bb3c69b3ef5c0580bf12811c0.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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dvnutkvc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 2916	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	30
PID 372 wrote to memory of 2916	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	30
PID 372 wrote to memory of 2916	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	30
PID 372 wrote to memory of 2916	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	30
PID 372 wrote to memory of 2424	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	32
PID 372 wrote to memory of 2424	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	32
PID 372 wrote to memory of 2424	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	32
PID 372 wrote to memory of 2424	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	32
PID 372 wrote to memory of 2580	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	34
PID 372 wrote to memory of 2580	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	34
PID 372 wrote to memory of 2580	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	34
PID 372 wrote to memory of 2580	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	34
PID 372 wrote to memory of 1548	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	36
PID 372 wrote to memory of 1548	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	36
PID 372 wrote to memory of 1548	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	36
PID 372 wrote to memory of 1548	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	36
PID 372 wrote to memory of 2720	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	38
PID 372 wrote to memory of 2720	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	38
PID 372 wrote to memory of 2720	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	38
PID 372 wrote to memory of 2720	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	38
PID 372 wrote to memory of 2884	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	41
PID 372 wrote to memory of 2884	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	41
PID 372 wrote to memory of 2884	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	41
PID 372 wrote to memory of 2884	372	JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe	41
PID 2824 wrote to memory of 2912	2824	dvnutkvc.exe	43
PID 2824 wrote to memory of 2912	2824	dvnutkvc.exe	43
PID 2824 wrote to memory of 2912	2824	dvnutkvc.exe	43
PID 2824 wrote to memory of 2912	2824	dvnutkvc.exe	43
PID 2824 wrote to memory of 2912	2824	dvnutkvc.exe	43
PID 2824 wrote to memory of 2912	2824	dvnutkvc.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mqlrhaij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dvnutkvc.exe" C:\Windows\SysWOW64\mqlrhaij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mqlrhaij binPath= "C:\Windows\SysWOW64\mqlrhaij\dvnutkvc.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mqlrhaij "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1548
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mqlrhaij
  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:2884

C:\Windows\SysWOW64\mqlrhaij\dvnutkvc.exe
C:\Windows\SysWOW64\mqlrhaij\dvnutkvc.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d2c4d0bb3c69b3ef5c0580bf12811c0.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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:2912

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\dvnutkvc.exe

Filesize
12.2MB

MD5
13fefdd4fbae9cf4cfd9f5a54ada1130

SHA1
17ff29845a8bf976260498eef87d4377fe537f85

SHA256
a8272f5898dc55a6fca50059bf9c61474e8f3f66082447dd014ff8809d40c1d6

SHA512
b74b5d89c9c39a718d5e3ad0855273efdbe437c2c9fbbec4118be34e85a69a60d4609c2b87da1d14d4a9d1f68800d720f9a8d543cc5d394a4362210fdaa245ab

Download Submit
memory/372-9-0x0000000000240000-0x0000000000253000-memory.dmp

Filesize
76KB

Download
memory/372-1-0x0000000000900000-0x0000000000A00000-memory.dmp

Filesize
1024KB

Download
memory/372-2-0x0000000000240000-0x0000000000253000-memory.dmp

Filesize
76KB

Download
memory/372-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/372-10-0x0000000000900000-0x0000000000A00000-memory.dmp

Filesize
1024KB

Download
memory/372-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/372-8-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2824-16-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2912-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2912-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2912-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2912-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads