tofsee | 0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 01:20

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General

Target

JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe
Size

271KB
MD5

d10661dfbee9320316539edd6c2d1583
SHA1

eef33f22896d6393bba58445c75eae9d73d57b2c
SHA256

0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5
SHA512

1b242e28fbb0d1299a6b59044b82d6e395c3c61300d5d312b626d3f7aa7c758f92666813d1cfef41ab4a1486cd9a922dd232cd96d53bf238810b5ed3d8cde58b
SSDEEP

6144:9HFo/Rtx8btjppCB9xqiF8ASn0zl19pDJO:VC/Rtxehuj8nn0B19b

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\ioilovmb = "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
2744	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\ioilovmb\ImagePath = "C:\\Windows\\SysWOW64\\ioilovmb\\mrnfdgs.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2360	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2724	mrnfdgs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2724 set thread context of 2360	2724	mrnfdgs.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3068	sc.exe
2940	sc.exe
2192	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	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mrnfdgs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2108	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	30
PID 2932 wrote to memory of 2108	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	30
PID 2932 wrote to memory of 2108	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	30
PID 2932 wrote to memory of 2108	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	30
PID 2932 wrote to memory of 2948	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	32
PID 2932 wrote to memory of 2948	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	32
PID 2932 wrote to memory of 2948	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	32
PID 2932 wrote to memory of 2948	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	32
PID 2932 wrote to memory of 3068	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	34
PID 2932 wrote to memory of 3068	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	34
PID 2932 wrote to memory of 3068	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	34
PID 2932 wrote to memory of 3068	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	34
PID 2932 wrote to memory of 2940	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	36
PID 2932 wrote to memory of 2940	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	36
PID 2932 wrote to memory of 2940	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	36
PID 2932 wrote to memory of 2940	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	36
PID 2932 wrote to memory of 2192	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	38
PID 2932 wrote to memory of 2192	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	38
PID 2932 wrote to memory of 2192	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	38
PID 2932 wrote to memory of 2192	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	38
PID 2932 wrote to memory of 2744	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	41
PID 2932 wrote to memory of 2744	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	41
PID 2932 wrote to memory of 2744	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	41
PID 2932 wrote to memory of 2744	2932	JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe	41
PID 2724 wrote to memory of 2360	2724	mrnfdgs.exe	43
PID 2724 wrote to memory of 2360	2724	mrnfdgs.exe	43
PID 2724 wrote to memory of 2360	2724	mrnfdgs.exe	43
PID 2724 wrote to memory of 2360	2724	mrnfdgs.exe	43
PID 2724 wrote to memory of 2360	2724	mrnfdgs.exe	43
PID 2724 wrote to memory of 2360	2724	mrnfdgs.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ioilovmb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mrnfdgs.exe" C:\Windows\SysWOW64\ioilovmb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ioilovmb binPath= "C:\Windows\SysWOW64\ioilovmb\mrnfdgs.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ioilovmb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ioilovmb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2192
- 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:2744

C:\Windows\SysWOW64\ioilovmb\mrnfdgs.exe
C:\Windows\SysWOW64\ioilovmb\mrnfdgs.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0454f772bdaedebddddb0919b3d4fe7675d8fde17444778c27ac4c4ac65a6fa5.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- 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:2360

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\mrnfdgs.exe

Filesize
10.9MB

MD5
1bd99b8ff9558229ed2bfadd7c8c73af

SHA1
3e08526ff907ee5df08a684d6c1a78488f3f5bd5

SHA256
691dfca29eacb99af5a9608b25b121616e99c78eda8381b821ffbe1c21d0d2e1

SHA512
f220e11a390f1021647bec22d1650d59ed1a3bd40d260721172f4e384c4424069cb3cf33135db9afa870e3e154e2b3988f3e52f2345fc2919c52064da2a24007

Download Submit
memory/2360-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2360-12-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2360-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2360-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2360-19-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2724-18-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2932-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2932-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2932-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2932-10-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2932-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads