tofsee | f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 02:29

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General

Target

JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe
Size

147KB
MD5

5257a7e18e8f9dcbd3171159633288e5
SHA1

172373aaade3546e28f2c653b9d9ae120050faaa
SHA256

f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6
SHA512

426e5dfb3d2958910db61bb06859fc3980c5ad6eecdc42a4833ffd7ad5f0d8a3e93536c38c812d9cbc67a5a18515f5cef3fd755795a97f5e65cbcfcee934dc8e
SSDEEP

3072:+b60ay8bkn6jdahHD0V0LI5UnrcPI1ZeNJfX6ALz:+bvayP6jdaZD0VSncPI1eXJ

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\nuohjsod = "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
2728	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\nuohjsod\ImagePath = "C:\\Windows\\SysWOW64\\nuohjsod\\ombnhdoe.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2596	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2848	ombnhdoe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2596	2848	ombnhdoe.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2892	sc.exe
2296	sc.exe
2836	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.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	ombnhdoe.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2344	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	31
PID 2360 wrote to memory of 2344	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	31
PID 2360 wrote to memory of 2344	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	31
PID 2360 wrote to memory of 2344	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	31
PID 2360 wrote to memory of 2496	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	33
PID 2360 wrote to memory of 2496	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	33
PID 2360 wrote to memory of 2496	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	33
PID 2360 wrote to memory of 2496	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	33
PID 2360 wrote to memory of 2892	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	35
PID 2360 wrote to memory of 2892	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	35
PID 2360 wrote to memory of 2892	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	35
PID 2360 wrote to memory of 2892	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	35
PID 2360 wrote to memory of 2296	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	37
PID 2360 wrote to memory of 2296	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	37
PID 2360 wrote to memory of 2296	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	37
PID 2360 wrote to memory of 2296	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	37
PID 2360 wrote to memory of 2836	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	39
PID 2360 wrote to memory of 2836	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	39
PID 2360 wrote to memory of 2836	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	39
PID 2360 wrote to memory of 2836	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	39
PID 2360 wrote to memory of 2728	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	42
PID 2360 wrote to memory of 2728	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	42
PID 2360 wrote to memory of 2728	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	42
PID 2360 wrote to memory of 2728	2360	JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe	42
PID 2848 wrote to memory of 2596	2848	ombnhdoe.exe	44
PID 2848 wrote to memory of 2596	2848	ombnhdoe.exe	44
PID 2848 wrote to memory of 2596	2848	ombnhdoe.exe	44
PID 2848 wrote to memory of 2596	2848	ombnhdoe.exe	44
PID 2848 wrote to memory of 2596	2848	ombnhdoe.exe	44
PID 2848 wrote to memory of 2596	2848	ombnhdoe.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nuohjsod\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ombnhdoe.exe" C:\Windows\SysWOW64\nuohjsod\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nuohjsod binPath= "C:\Windows\SysWOW64\nuohjsod\ombnhdoe.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nuohjsod "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2296
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nuohjsod
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- 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:2728

C:\Windows\SysWOW64\nuohjsod\ombnhdoe.exe
C:\Windows\SysWOW64\nuohjsod\ombnhdoe.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5c1953b78e2e0011b315c65651919695c4407b96cc50d2ecf8821e2e0a7fbb6.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- 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:2596

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\ombnhdoe.exe

Filesize
11.2MB

MD5
6eb18f7f444b2e9d4a0d6b5af9286b77

SHA1
e6b387666e224e8ac30db1cff357155678e36d11

SHA256
82df15522c7f0ce9864c67750b888c5017e86ac855c53f5feedaa8784ede8945

SHA512
a5a3f9945fb327e0ea4ddd6a4d911eb6a08912c9cc4fe876cdfcec3cfc61a86dc86038222c2ee47446d3ab2281c5fe9d1af3a38b44e1cbb6c47c65ab2243d4ed

Download Submit
memory/2360-8-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2360-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2360-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2360-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2360-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2360-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2596-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-15-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads