tofsee | 7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30

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
26/12/2024, 17:19

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General

Target

JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe
Size

214KB
MD5

ac6e290d0141fe9be72a6379ae438e1c
SHA1

ac6cf2c5fa673887cbef396b0cd1f9fd503bb739
SHA256

7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30
SHA512

43f7f7afd25cc626e0f8383e4988693d9d19352feb530aabc64a25940462cf3d7b754b93c3e61c3201d2f0dd80e1114f617d5927880456924bf4a79be23b0c6f
SSDEEP

3072:m7Zt0dLUdxVjd6XlJdtHspVFFReJH4xNCL8EQylObFwJDsxkgaBChopZa9uD6Vdu:yt0edxVd6XZavFFRCm9weigaTwVf

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\zirptrzp = "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
2664	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\zirptrzp\ImagePath = "C:\\Windows\\SysWOW64\\zirptrzp\\wxvfibgr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2800	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	wxvfibgr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2800	2780	wxvfibgr.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2352	sc.exe
2704	sc.exe
2812	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe
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	sc.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	wxvfibgr.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2320	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	31
PID 2336 wrote to memory of 2320	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	31
PID 2336 wrote to memory of 2320	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	31
PID 2336 wrote to memory of 2320	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	31
PID 2336 wrote to memory of 1704	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	33
PID 2336 wrote to memory of 1704	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	33
PID 2336 wrote to memory of 1704	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	33
PID 2336 wrote to memory of 1704	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	33
PID 2336 wrote to memory of 2352	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	35
PID 2336 wrote to memory of 2352	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	35
PID 2336 wrote to memory of 2352	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	35
PID 2336 wrote to memory of 2352	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	35
PID 2336 wrote to memory of 2704	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	37
PID 2336 wrote to memory of 2704	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	37
PID 2336 wrote to memory of 2704	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	37
PID 2336 wrote to memory of 2704	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	37
PID 2336 wrote to memory of 2812	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	39
PID 2336 wrote to memory of 2812	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	39
PID 2336 wrote to memory of 2812	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	39
PID 2336 wrote to memory of 2812	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	39
PID 2336 wrote to memory of 2664	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	42
PID 2336 wrote to memory of 2664	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	42
PID 2336 wrote to memory of 2664	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	42
PID 2336 wrote to memory of 2664	2336	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	42
PID 2780 wrote to memory of 2800	2780	wxvfibgr.exe	44
PID 2780 wrote to memory of 2800	2780	wxvfibgr.exe	44
PID 2780 wrote to memory of 2800	2780	wxvfibgr.exe	44
PID 2780 wrote to memory of 2800	2780	wxvfibgr.exe	44
PID 2780 wrote to memory of 2800	2780	wxvfibgr.exe	44
PID 2780 wrote to memory of 2800	2780	wxvfibgr.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zirptrzp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wxvfibgr.exe" C:\Windows\SysWOW64\zirptrzp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zirptrzp binPath= "C:\Windows\SysWOW64\zirptrzp\wxvfibgr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2352
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zirptrzp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zirptrzp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- 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:2664

C:\Windows\SysWOW64\zirptrzp\wxvfibgr.exe
C:\Windows\SysWOW64\zirptrzp\wxvfibgr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- 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:2800

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\wxvfibgr.exe

Filesize
12.1MB

MD5
3bc4962164b366d1c31269fd3c7ed614

SHA1
2f576298a832ae66fb21b2a92c1d9f829a77b98a

SHA256
e02e5ff256343333d776537d62db428a7d8a551615e2db3db290c2d665dfb16f

SHA512
a2493c2d0def7b0ecc3873734bb1d0f2ff07481162ab86b11d5ce0bbbc8f606e357a594c33cbcb44f8359a89c299c7a51efbd22e9eab8c62217eaaec0a8b0a47

Download Submit
memory/2336-7-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/2336-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2336-1-0x0000000000250000-0x0000000000263000-memory.dmp

Filesize
76KB

Download
memory/2336-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2336-8-0x0000000000250000-0x0000000000263000-memory.dmp

Filesize
76KB

Download
memory/2336-0-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/2336-6-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2780-14-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2800-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2800-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2800-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2800-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads