tofsee | 5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 22:46

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General

Target

JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe
Size

238KB
MD5

7b1c6a6a156ceda7be1606583bc126a5
SHA1

466c9e967bcf87509615e0dd98f2c007ee886fa4
SHA256

5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b
SHA512

f13f2ff68613cf952492f7b1c561fe27d9f8ebaacd863930c2b0ab235900c5280abdcdbce4348e4e2c96de055d7532e69a94712e0e7fbcc7885a34ab1f1cf5da
SSDEEP

3072:v7ojA4DTPiryxGZEftEZp2I3/qQW7NbVggjcGkNIVqI7sxkgaBChMpZa9uD6VdyV:aA4DTPirDWlEV/cf7ITsq7igavwVf

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\cglfxldb = "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
2740	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\cglfxldb\ImagePath = "C:\\Windows\\SysWOW64\\cglfxldb\\zfadmvvq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2108	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2644	zfadmvvq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2108	2644	zfadmvvq.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2776	sc.exe
2592	sc.exe
2744	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zfadmvvq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2420	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	28
PID 2320 wrote to memory of 2420	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	28
PID 2320 wrote to memory of 2420	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	28
PID 2320 wrote to memory of 2420	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	28
PID 2320 wrote to memory of 1676	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	30
PID 2320 wrote to memory of 1676	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	30
PID 2320 wrote to memory of 1676	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	30
PID 2320 wrote to memory of 1676	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	30
PID 2320 wrote to memory of 2776	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	32
PID 2320 wrote to memory of 2776	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	32
PID 2320 wrote to memory of 2776	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	32
PID 2320 wrote to memory of 2776	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	32
PID 2320 wrote to memory of 2592	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	34
PID 2320 wrote to memory of 2592	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	34
PID 2320 wrote to memory of 2592	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	34
PID 2320 wrote to memory of 2592	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	34
PID 2320 wrote to memory of 2744	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	36
PID 2320 wrote to memory of 2744	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	36
PID 2320 wrote to memory of 2744	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	36
PID 2320 wrote to memory of 2744	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	36
PID 2320 wrote to memory of 2740	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	39
PID 2320 wrote to memory of 2740	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	39
PID 2320 wrote to memory of 2740	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	39
PID 2320 wrote to memory of 2740	2320	JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe	39
PID 2644 wrote to memory of 2108	2644	zfadmvvq.exe	41
PID 2644 wrote to memory of 2108	2644	zfadmvvq.exe	41
PID 2644 wrote to memory of 2108	2644	zfadmvvq.exe	41
PID 2644 wrote to memory of 2108	2644	zfadmvvq.exe	41
PID 2644 wrote to memory of 2108	2644	zfadmvvq.exe	41
PID 2644 wrote to memory of 2108	2644	zfadmvvq.exe	41

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cglfxldb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zfadmvvq.exe" C:\Windows\SysWOW64\cglfxldb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1676
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cglfxldb binPath= "C:\Windows\SysWOW64\cglfxldb\zfadmvvq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cglfxldb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2592
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cglfxldb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- 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:2740

C:\Windows\SysWOW64\cglfxldb\zfadmvvq.exe
C:\Windows\SysWOW64\cglfxldb\zfadmvvq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5411354e943b9ac88a828a6769497307dd7bf67954c878eef8027f34afe0443b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- 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:2108

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\zfadmvvq.exe

Filesize
12.4MB

MD5
22d403bd9c041b3902350e6842c55d18

SHA1
b2230fb441f437f1769a83a7d00c356b059ecfbd

SHA256
81a21d98ebe3c87b2f32177a8be6c1fbc443d03497eb29a465ce01e1880a3bba

SHA512
a0441dae98cc85186dabe126a32f4cb98de8699cdbb8b942ec84431605ffcaa2bb563bcc6582e450d1f1307889f80b3907b4c55c4cad0425bc8f706fd30a4e06

Download Submit
memory/2108-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2108-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2108-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2108-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2108-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2320-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2320-1-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2320-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2320-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2320-7-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2320-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2320-0-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2644-16-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads