tofsee | 3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/12/2024, 08:36

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General

Target

JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe
Size

284KB
MD5

52cd68a1d3f07bc8244da2ad26d4b0e0
SHA1

5d5e8d9a50e0041c93a8f78c83a458efeae28b1c
SHA256

3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc
SHA512

99dc2024a47425a90dae24728bc3e11e4bd3809997cd00020419036559c80b7214384b0243233516fae2ef69bdf41a72c346f3d061740b7dbf2536fe19f147c4
SSDEEP

3072:+u4V4SIVHGyIfEjIO1/s3Rd0qJVBF9S20kew9SyZ/3JWwhGmt/pyROVczwRjH/So:T4VjcAfEz1/sBdJdv7WYZtByggwRr

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\bgjgucut = "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\bgjgucut\ImagePath = "C:\\Windows\\SysWOW64\\bgjgucut\\qxvglgui.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2652	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	qxvglgui.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 2652	2856	qxvglgui.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
984	sc.exe
2392	sc.exe
2136	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	qxvglgui.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2332	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	30
PID 2328 wrote to memory of 2332	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	30
PID 2328 wrote to memory of 2332	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	30
PID 2328 wrote to memory of 2332	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	30
PID 2328 wrote to memory of 2468	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	32
PID 2328 wrote to memory of 2468	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	32
PID 2328 wrote to memory of 2468	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	32
PID 2328 wrote to memory of 2468	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	32
PID 2328 wrote to memory of 984	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	34
PID 2328 wrote to memory of 984	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	34
PID 2328 wrote to memory of 984	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	34
PID 2328 wrote to memory of 984	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	34
PID 2328 wrote to memory of 2392	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	36
PID 2328 wrote to memory of 2392	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	36
PID 2328 wrote to memory of 2392	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	36
PID 2328 wrote to memory of 2392	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	36
PID 2328 wrote to memory of 2136	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	38
PID 2328 wrote to memory of 2136	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	38
PID 2328 wrote to memory of 2136	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	38
PID 2328 wrote to memory of 2136	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	38
PID 2328 wrote to memory of 2884	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	41
PID 2328 wrote to memory of 2884	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	41
PID 2328 wrote to memory of 2884	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	41
PID 2328 wrote to memory of 2884	2328	JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe	41
PID 2856 wrote to memory of 2652	2856	qxvglgui.exe	44
PID 2856 wrote to memory of 2652	2856	qxvglgui.exe	44
PID 2856 wrote to memory of 2652	2856	qxvglgui.exe	44
PID 2856 wrote to memory of 2652	2856	qxvglgui.exe	44
PID 2856 wrote to memory of 2652	2856	qxvglgui.exe	44
PID 2856 wrote to memory of 2652	2856	qxvglgui.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bgjgucut\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qxvglgui.exe" C:\Windows\SysWOW64\bgjgucut\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2468
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bgjgucut binPath= "C:\Windows\SysWOW64\bgjgucut\qxvglgui.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bgjgucut "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2392
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bgjgucut
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2136
- 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\bgjgucut\qxvglgui.exe
C:\Windows\SysWOW64\bgjgucut\qxvglgui.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2652

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\qxvglgui.exe

Filesize
12.8MB

MD5
9eb483a24a4ea446b640005bc450b9ab

SHA1
27c51252e5bb7698c63bb94a5a3ecc45db94e255

SHA256
c7e2762df668a9064b7b57a45f47233bd60bbd88ad19333bbac78f4a70ea1bab

SHA512
143eba260425438bae1c59c59b14bab104a8397ba7d40897661755d554f5def966fffcf6ba5b0b39803531a4bbf5ce328a4ce76aa6f4344121d624e352837dd0

Download Submit
memory/2328-10-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/2328-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2328-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2328-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/2328-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2652-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2652-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2652-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-12-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2652-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2856-16-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads