tofsee | 15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd

Analysis

max time kernel
148s
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 21:13

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General

Target

JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe
Size

284KB
MD5

b41df6042d7fcfdc9bbfe3922271433f
SHA1

986f1a17abc590ae702349ea8685d11c2ec27dd7
SHA256

15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd
SHA512

7076d94049a6b90e9e91ef486b0ed8d94108e26d520af6a8ac9de8e1b82706b0d01f1cab9e256c911e03e70e71bd370bffa3652cdc78af4756b28a7f47b77e1b
SSDEEP

3072:H5yVL6SVHvyADnC4b1/w3Rf9qcRT9S20kesJ/MpKaVPmpujX1BWRQdmRfzt:ZyVGSBDnp1/wBfw42fVPwujWQd6f

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\ouijtenh = "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
2824	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\ouijtenh\ImagePath = "C:\\Windows\\SysWOW64\\ouijtenh\\fvqcwime.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2804	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	fvqcwime.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2804	2764	fvqcwime.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2156	sc.exe
872	sc.exe
2720	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	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fvqcwime.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2348	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	30
PID 2092 wrote to memory of 2348	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	30
PID 2092 wrote to memory of 2348	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	30
PID 2092 wrote to memory of 2348	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	30
PID 2092 wrote to memory of 1660	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	32
PID 2092 wrote to memory of 1660	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	32
PID 2092 wrote to memory of 1660	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	32
PID 2092 wrote to memory of 1660	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	32
PID 2092 wrote to memory of 2156	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	35
PID 2092 wrote to memory of 2156	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	35
PID 2092 wrote to memory of 2156	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	35
PID 2092 wrote to memory of 2156	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	35
PID 2092 wrote to memory of 872	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	37
PID 2092 wrote to memory of 872	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	37
PID 2092 wrote to memory of 872	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	37
PID 2092 wrote to memory of 872	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	37
PID 2092 wrote to memory of 2720	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	39
PID 2092 wrote to memory of 2720	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	39
PID 2092 wrote to memory of 2720	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	39
PID 2092 wrote to memory of 2720	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	39
PID 2092 wrote to memory of 2824	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	42
PID 2092 wrote to memory of 2824	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	42
PID 2092 wrote to memory of 2824	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	42
PID 2092 wrote to memory of 2824	2092	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	42
PID 2764 wrote to memory of 2804	2764	fvqcwime.exe	44
PID 2764 wrote to memory of 2804	2764	fvqcwime.exe	44
PID 2764 wrote to memory of 2804	2764	fvqcwime.exe	44
PID 2764 wrote to memory of 2804	2764	fvqcwime.exe	44
PID 2764 wrote to memory of 2804	2764	fvqcwime.exe	44
PID 2764 wrote to memory of 2804	2764	fvqcwime.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ouijtenh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fvqcwime.exe" C:\Windows\SysWOW64\ouijtenh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1660
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ouijtenh binPath= "C:\Windows\SysWOW64\ouijtenh\fvqcwime.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ouijtenh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ouijtenh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- 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:2824

C:\Windows\SysWOW64\ouijtenh\fvqcwime.exe
C:\Windows\SysWOW64\ouijtenh\fvqcwime.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2804

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\fvqcwime.exe

Filesize
14.6MB

MD5
ee5deb41971c04c69423ed4d8b0ce642

SHA1
f1bd85308e2c618e961424c5ddfd78a8cc21e3c1

SHA256
f30f1aa8343e2a99cd78a80426ed8585e248533d0ee3fdbcb974356361afc7c4

SHA512
46942ada1b34d9ac40b43071b35243036144446decf883c8c867d1b246a5f72a66da3e8406655e5661d5c6c782cce9e27f9ccb5b59b6d4550056ab9fcfe01325

Download Submit
memory/2092-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2092-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2092-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2092-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2092-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2092-1-0x0000000002D60000-0x0000000002E60000-memory.dmp

Filesize
1024KB

Download
memory/2764-17-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2804-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2804-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2804-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2804-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads