tofsee | 4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 16:15

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General

Target

JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe
Size

213KB
MD5

5c50519f8123fd804b2e8d74337022e6
SHA1

b862cfa9f1b20d1acceb43fc2ef3a788464265c2
SHA256

4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011
SHA512

6e362bb25221c74c955a228a30549bd22212932b81aa4ce26c26edf771227cbee0ffea2c3d9095ed4b801843a36744d7aa0f19c16786d7624d4688f12094f2ac
SSDEEP

3072:H7Zt0dLUdxVjd6XsHD1brlFgYodllBgB839E/ZVStsxkgaBChopZa9uD6Vdyhkb:Vt0edxVd6XUDVxu1r39WfigaTwVf

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\nbqdadyj = "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
2880	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\nbqdadyj\ImagePath = "C:\\Windows\\SysWOW64\\nbqdadyj\\gyqxwnyf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2772	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	gyqxwnyf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2772	2824	gyqxwnyf.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2164	sc.exe
2872	sc.exe
2704	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	gyqxwnyf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2484	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	30
PID 1736 wrote to memory of 2484	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	30
PID 1736 wrote to memory of 2484	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	30
PID 1736 wrote to memory of 2484	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	30
PID 1736 wrote to memory of 2328	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	32
PID 1736 wrote to memory of 2328	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	32
PID 1736 wrote to memory of 2328	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	32
PID 1736 wrote to memory of 2328	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	32
PID 1736 wrote to memory of 2164	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	34
PID 1736 wrote to memory of 2164	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	34
PID 1736 wrote to memory of 2164	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	34
PID 1736 wrote to memory of 2164	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	34
PID 1736 wrote to memory of 2872	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	36
PID 1736 wrote to memory of 2872	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	36
PID 1736 wrote to memory of 2872	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	36
PID 1736 wrote to memory of 2872	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	36
PID 1736 wrote to memory of 2704	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	38
PID 1736 wrote to memory of 2704	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	38
PID 1736 wrote to memory of 2704	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	38
PID 1736 wrote to memory of 2704	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	38
PID 1736 wrote to memory of 2880	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	41
PID 1736 wrote to memory of 2880	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	41
PID 1736 wrote to memory of 2880	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	41
PID 1736 wrote to memory of 2880	1736	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	41
PID 2824 wrote to memory of 2772	2824	gyqxwnyf.exe	43
PID 2824 wrote to memory of 2772	2824	gyqxwnyf.exe	43
PID 2824 wrote to memory of 2772	2824	gyqxwnyf.exe	43
PID 2824 wrote to memory of 2772	2824	gyqxwnyf.exe	43
PID 2824 wrote to memory of 2772	2824	gyqxwnyf.exe	43
PID 2824 wrote to memory of 2772	2824	gyqxwnyf.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nbqdadyj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gyqxwnyf.exe" C:\Windows\SysWOW64\nbqdadyj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2328
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nbqdadyj binPath= "C:\Windows\SysWOW64\nbqdadyj\gyqxwnyf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nbqdadyj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nbqdadyj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- 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:2880

C:\Windows\SysWOW64\nbqdadyj\gyqxwnyf.exe
C:\Windows\SysWOW64\nbqdadyj\gyqxwnyf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.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:2772

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\gyqxwnyf.exe

Filesize
11.5MB

MD5
cdfbecf2ec23331131d3427a2adcaf80

SHA1
aa40a3c93f3273406b611a22815415d4ad682d0f

SHA256
7a21e51b89c4038eaa5435c0a60bad29ba4211e6e5c4da8b3000aa51c384d022

SHA512
b06c0aded187ea71f0fec44a6fb327267f184f5963411101da0a1683f57e616fbcdbfa2ca78acea6817c65e2770afe5d9f8d1cca121a81a060775b7a8d1c3349

Download Submit
memory/1736-7-0x00000000003C0000-0x00000000003CD000-memory.dmp

Filesize
52KB

Download
memory/1736-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1736-1-0x00000000003D0000-0x00000000003E3000-memory.dmp

Filesize
76KB

Download
memory/1736-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1736-8-0x00000000003D0000-0x00000000003E3000-memory.dmp

Filesize
76KB

Download
memory/1736-0-0x00000000003C0000-0x00000000003CD000-memory.dmp

Filesize
52KB

Download
memory/1736-6-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2772-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-16-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads