tofsee | ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 20:12

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General

Target

JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe
Size

342KB
MD5

aabe3e7233157be95fab7d9295545d76
SHA1

b48ff5343235e704de19f11fbb69703cb8add3d7
SHA256

ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8
SHA512

2aedc5cfa0fa21c78d9e44961a40c2fb3c8503ab2e3b8dade135832e58dc72f0fdd782109a7a0d0212c77359adf7ede9caeaaf620e8c89a6bad1160bbf8d13de
SSDEEP

6144:DGw0hF+kAn2aj+qBqLpklFGodlzsPSa3MDUk4B+H90C:DhhdvBqLKlFGodlzsPSaq4Bu

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\munizfc = "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
2732	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\munizfc\ImagePath = "C:\\Windows\\SysWOW64\\munizfc\\vozpaxqj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2588	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	vozpaxqj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 2588	2684	vozpaxqj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3036	sc.exe
2804	sc.exe
2780	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vozpaxqj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2772	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	30
PID 2888 wrote to memory of 2772	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	30
PID 2888 wrote to memory of 2772	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	30
PID 2888 wrote to memory of 2772	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	30
PID 2888 wrote to memory of 664	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	32
PID 2888 wrote to memory of 664	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	32
PID 2888 wrote to memory of 664	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	32
PID 2888 wrote to memory of 664	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	32
PID 2888 wrote to memory of 3036	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	34
PID 2888 wrote to memory of 3036	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	34
PID 2888 wrote to memory of 3036	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	34
PID 2888 wrote to memory of 3036	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	34
PID 2888 wrote to memory of 2804	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	36
PID 2888 wrote to memory of 2804	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	36
PID 2888 wrote to memory of 2804	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	36
PID 2888 wrote to memory of 2804	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	36
PID 2888 wrote to memory of 2780	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	38
PID 2888 wrote to memory of 2780	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	38
PID 2888 wrote to memory of 2780	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	38
PID 2888 wrote to memory of 2780	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	38
PID 2888 wrote to memory of 2732	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	41
PID 2888 wrote to memory of 2732	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	41
PID 2888 wrote to memory of 2732	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	41
PID 2888 wrote to memory of 2732	2888	JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe	41
PID 2684 wrote to memory of 2588	2684	vozpaxqj.exe	43
PID 2684 wrote to memory of 2588	2684	vozpaxqj.exe	43
PID 2684 wrote to memory of 2588	2684	vozpaxqj.exe	43
PID 2684 wrote to memory of 2588	2684	vozpaxqj.exe	43
PID 2684 wrote to memory of 2588	2684	vozpaxqj.exe	43
PID 2684 wrote to memory of 2588	2684	vozpaxqj.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\munizfc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vozpaxqj.exe" C:\Windows\SysWOW64\munizfc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create munizfc binPath= "C:\Windows\SysWOW64\munizfc\vozpaxqj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description munizfc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start munizfc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2780
- 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:2732

C:\Windows\SysWOW64\munizfc\vozpaxqj.exe
C:\Windows\SysWOW64\munizfc\vozpaxqj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- 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:2588

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\vozpaxqj.exe

Filesize
11.4MB

MD5
6e0d8f84fa2ce07c92727f4bd8c5bbc5

SHA1
6d99066647a3b63b6a686e0008923bdc045e9122

SHA256
3c32a2a8b0f4d695b9021db47cfede95f17a61c273bf221af2c7842eba11d82e

SHA512
709e4a2c13e363b5cd2f809469bf5512055815d05681891337df8b4f2532dba2b1a73f8c96a0b5b6e2ced29e3b711175b8b52c2c2d1bd2c96f0c6df67f7a7cd3

Download Submit
memory/2588-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2684-16-0x0000000000400000-0x00000000008FA000-memory.dmp

Filesize
5.0MB

Download
memory/2888-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2888-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2888-7-0x0000000000400000-0x00000000008FA000-memory.dmp

Filesize
5.0MB

Download
memory/2888-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2888-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2888-1-0x0000000000D60000-0x0000000000E60000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads