tofsee | c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 03:09

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General

Target

JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe
Size

325KB
MD5

424b5c8d8ecadd9049cefd26188984f7
SHA1

b257341ca384e216ce6f286184606bb431d14217
SHA256

c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8
SHA512

4334351e2f789d41763481e0e851175be92ee275faca9af5e33592d9e054dbcbd8e3deeacb2f5000872971e2cad4d19e1763360a47025c7f5626528a273993ae
SSDEEP

6144:erHiD3oQZ2HobNAJIZMVfwoYFWwGGeolAHPs53HpZg9qR:+CD3F4OWwGGeolAk53f

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\spwhjyio = "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
2800	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\spwhjyio\ImagePath = "C:\\Windows\\SysWOW64\\spwhjyio\\unbnfzbo.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
524	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2868	unbnfzbo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 524	2868	unbnfzbo.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1632	sc.exe
2796	sc.exe
1356	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	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	unbnfzbo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2160	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	30
PID 2348 wrote to memory of 2160	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	30
PID 2348 wrote to memory of 2160	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	30
PID 2348 wrote to memory of 2160	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	30
PID 2348 wrote to memory of 2300	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	32
PID 2348 wrote to memory of 2300	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	32
PID 2348 wrote to memory of 2300	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	32
PID 2348 wrote to memory of 2300	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	32
PID 2348 wrote to memory of 1356	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	34
PID 2348 wrote to memory of 1356	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	34
PID 2348 wrote to memory of 1356	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	34
PID 2348 wrote to memory of 1356	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	34
PID 2348 wrote to memory of 1632	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	36
PID 2348 wrote to memory of 1632	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	36
PID 2348 wrote to memory of 1632	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	36
PID 2348 wrote to memory of 1632	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	36
PID 2348 wrote to memory of 2796	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	38
PID 2348 wrote to memory of 2796	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	38
PID 2348 wrote to memory of 2796	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	38
PID 2348 wrote to memory of 2796	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	38
PID 2348 wrote to memory of 2800	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	41
PID 2348 wrote to memory of 2800	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	41
PID 2348 wrote to memory of 2800	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	41
PID 2348 wrote to memory of 2800	2348	JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe	41
PID 2868 wrote to memory of 524	2868	unbnfzbo.exe	43
PID 2868 wrote to memory of 524	2868	unbnfzbo.exe	43
PID 2868 wrote to memory of 524	2868	unbnfzbo.exe	43
PID 2868 wrote to memory of 524	2868	unbnfzbo.exe	43
PID 2868 wrote to memory of 524	2868	unbnfzbo.exe	43
PID 2868 wrote to memory of 524	2868	unbnfzbo.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\spwhjyio\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\unbnfzbo.exe" C:\Windows\SysWOW64\spwhjyio\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2300
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create spwhjyio binPath= "C:\Windows\SysWOW64\spwhjyio\unbnfzbo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1356
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description spwhjyio "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1632
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start spwhjyio
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- 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:2800

C:\Windows\SysWOW64\spwhjyio\unbnfzbo.exe
C:\Windows\SysWOW64\spwhjyio\unbnfzbo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c64e2ef9ab2c17bff92fab62479fbf3ce1724c4e8f5f9a2bd9f4c40113f433a8.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- 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:524

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\unbnfzbo.exe

Filesize
13.7MB

MD5
251e28996ca437b9efc0cfc67a9d7c1b

SHA1
7111104717f75b9fa5d09c675cd54fe38dd685e5

SHA256
66ce0287e07d869139bd542e2210c48406099ee0c9278bb9813cd4399de66cdf

SHA512
e0f835b81b1fb30e311663b27a5bdab0358d27d3242e804251505ba28194381c52e30ffc3d95219311caa2aee134ae78c43ea064320f8c71b26490819d661a31

Download Submit
memory/524-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/524-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/524-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/524-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/524-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2348-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2348-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2348-7-0x0000000000400000-0x00000000023A8000-memory.dmp

Filesize
31.7MB

Download
memory/2348-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2348-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2348-1-0x0000000002460000-0x0000000002560000-memory.dmp

Filesize
1024KB

Download
memory/2868-17-0x0000000000400000-0x00000000023A8000-memory.dmp

Filesize
31.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads