tofsee | 2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313

Analysis

max time kernel
144s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 09:52

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General

Target

JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe
Size

310KB
MD5

2c5389a25b8b4e41c9d0d9368635c66c
SHA1

0b874b47a0b5b8c971a6750d35fd1eb081ab2df8
SHA256

2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313
SHA512

43f9c4aa667fad4f1d6c31af8c0cbed18b1e66d6a0596cd04d605714813c89e621f86dd369769c8f54705b10e2b7935f1e84f0e37e64f8258c4bfc7456b86dd2
SSDEEP

6144:tSKVaczmP5HaPF4N3LnJSs0+2775wRLcacJj:tSKVaczC4PF0bJSsDVRLc

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

patmushta.info

parubey.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\fcqublra = "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
2556	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\fcqublra\ImagePath = "C:\\Windows\\SysWOW64\\fcqublra\\vtrgylhk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1776	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2608	vtrgylhk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2608 set thread context of 1776	2608	vtrgylhk.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2812	sc.exe
2800	sc.exe
1236	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vtrgylhk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2748	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	30
PID 2364 wrote to memory of 2748	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	30
PID 2364 wrote to memory of 2748	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	30
PID 2364 wrote to memory of 2748	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	30
PID 2364 wrote to memory of 2788	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	32
PID 2364 wrote to memory of 2788	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	32
PID 2364 wrote to memory of 2788	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	32
PID 2364 wrote to memory of 2788	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	32
PID 2364 wrote to memory of 2812	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	34
PID 2364 wrote to memory of 2812	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	34
PID 2364 wrote to memory of 2812	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	34
PID 2364 wrote to memory of 2812	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	34
PID 2364 wrote to memory of 2800	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	36
PID 2364 wrote to memory of 2800	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	36
PID 2364 wrote to memory of 2800	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	36
PID 2364 wrote to memory of 2800	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	36
PID 2364 wrote to memory of 1236	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	38
PID 2364 wrote to memory of 1236	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	38
PID 2364 wrote to memory of 1236	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	38
PID 2364 wrote to memory of 1236	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	38
PID 2364 wrote to memory of 2556	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	41
PID 2364 wrote to memory of 2556	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	41
PID 2364 wrote to memory of 2556	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	41
PID 2364 wrote to memory of 2556	2364	JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe	41
PID 2608 wrote to memory of 1776	2608	vtrgylhk.exe	43
PID 2608 wrote to memory of 1776	2608	vtrgylhk.exe	43
PID 2608 wrote to memory of 1776	2608	vtrgylhk.exe	43
PID 2608 wrote to memory of 1776	2608	vtrgylhk.exe	43
PID 2608 wrote to memory of 1776	2608	vtrgylhk.exe	43
PID 2608 wrote to memory of 1776	2608	vtrgylhk.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fcqublra\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vtrgylhk.exe" C:\Windows\SysWOW64\fcqublra\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fcqublra binPath= "C:\Windows\SysWOW64\fcqublra\vtrgylhk.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fcqublra "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fcqublra
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1236
- 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:2556

C:\Windows\SysWOW64\fcqublra\vtrgylhk.exe
C:\Windows\SysWOW64\fcqublra\vtrgylhk.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f09b78d9553e76cfb5f37d3b95c328c0e27492a41b053870c4cd38fe34cc313.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608
- 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:1776

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\vtrgylhk.exe

Filesize
14.5MB

MD5
ea65c4278790fd498ad7040cd51b9c78

SHA1
dd249bb69f88efe2a649ede46970963aba6f2d2e

SHA256
1f746b120072f7383420b0b14c3dbaab87b31ac26ba5e3da5b3cf7e20ef3293c

SHA512
5e72e700a5bcf8bfc04e2d642806d8f6aa8d4fba142f4c9d39bcafe86af4f038172ced6ddf60dce926e7b2a101860235d7720552afb4f7d5dd6bcb6237a38bb9

Download Submit
memory/1776-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1776-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1776-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1776-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1776-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2364-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2364-7-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2364-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2364-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2364-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2608-15-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads