tofsee | 635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:35

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General

Target

JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe
Size

235KB
MD5

84b6df0a9ab6a18d4810ca534b17d7cc
SHA1

cf534454d4527e792dedc6a59aa4c16b2f454c7f
SHA256

635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09
SHA512

570f1e03f358bd26e634eca6539cc12fc0bad75b15448f256d16c4b55bd7677cdaa02c77afd9de4e18db9fd14384ba6f41d0b61f251c098f0725c2f3d49d3c56
SSDEEP

6144:IAgL/FU4vBg9SMePSGjD6vzb7ITsqXigad:IAghUegJGj+H7R

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

mubrikych.top

oxxyfix.xyz

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\dprzmenu = "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
2820	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\dprzmenu\ImagePath = "C:\\Windows\\SysWOW64\\dprzmenu\\vozrinat.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1664	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2932	vozrinat.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 1664	2932	vozrinat.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2864	sc.exe
2148	sc.exe
2520	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vozrinat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2240	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	29
PID 2344 wrote to memory of 2240	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	29
PID 2344 wrote to memory of 2240	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	29
PID 2344 wrote to memory of 2240	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	29
PID 2344 wrote to memory of 2044	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	31
PID 2344 wrote to memory of 2044	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	31
PID 2344 wrote to memory of 2044	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	31
PID 2344 wrote to memory of 2044	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	31
PID 2344 wrote to memory of 2148	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	33
PID 2344 wrote to memory of 2148	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	33
PID 2344 wrote to memory of 2148	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	33
PID 2344 wrote to memory of 2148	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	33
PID 2344 wrote to memory of 2520	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	35
PID 2344 wrote to memory of 2520	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	35
PID 2344 wrote to memory of 2520	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	35
PID 2344 wrote to memory of 2520	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	35
PID 2344 wrote to memory of 2864	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	37
PID 2344 wrote to memory of 2864	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	37
PID 2344 wrote to memory of 2864	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	37
PID 2344 wrote to memory of 2864	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	37
PID 2344 wrote to memory of 2820	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	40
PID 2344 wrote to memory of 2820	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	40
PID 2344 wrote to memory of 2820	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	40
PID 2344 wrote to memory of 2820	2344	JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe	40
PID 2932 wrote to memory of 1664	2932	vozrinat.exe	42
PID 2932 wrote to memory of 1664	2932	vozrinat.exe	42
PID 2932 wrote to memory of 1664	2932	vozrinat.exe	42
PID 2932 wrote to memory of 1664	2932	vozrinat.exe	42
PID 2932 wrote to memory of 1664	2932	vozrinat.exe	42
PID 2932 wrote to memory of 1664	2932	vozrinat.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dprzmenu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2240
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vozrinat.exe" C:\Windows\SysWOW64\dprzmenu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2044
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dprzmenu binPath= "C:\Windows\SysWOW64\dprzmenu\vozrinat.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2148
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dprzmenu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2520
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dprzmenu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- 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:2820

C:\Windows\SysWOW64\dprzmenu\vozrinat.exe
C:\Windows\SysWOW64\dprzmenu\vozrinat.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_635c96eadf804c9514fa3c4cc93f08ccf658e32d331d7646fd1d2a2a8f80dc09.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932
- 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:1664

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\vozrinat.exe

Filesize
11.0MB

MD5
0ab5827274de69964f932b44d45f0b3b

SHA1
2eb39782a6d69f3d34b310d7040e787dc3d42f55

SHA256
716535c70aa56013806b53b20430782fad1a4fc13bf07b2169b9f872b7fb9afd

SHA512
a1a1bc8ff773998dbe5a4143d05c1513ead85da40234a403cb5d7a25acc1ce8d6a4d5558e86a7188cbf03511613d038aa0d1ed0548fb34f49fea8ccf8a2ddc06

Download Submit
memory/1664-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1664-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1664-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1664-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1664-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2344-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2344-1-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2344-6-0x0000000000400000-0x000000000082C000-memory.dmp

Filesize
4.2MB

Download
memory/2344-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2344-8-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2344-7-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2344-0-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2932-16-0x0000000000400000-0x000000000082C000-memory.dmp

Filesize
4.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads