tofsee | 8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 20:00

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General

Target

JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe
Size

164KB
MD5

7a78a6f842b330bc684cdda11ab74aa6
SHA1

a82f763272099af37c783f84b3f8bc40c53a3baa
SHA256

8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6
SHA512

c9ec2869ee5eebcf0e35379c93c9266f84cac02d7f9d8957da3aea2daee088775d5fbec358e479202898561a2011a0c5b8ce909c62bc12b60f7271402eccddf8
SSDEEP

3072:e6s43X9OdK9GTy0+FXwCj7DJ5AuwUbayCVyuS9H6p:en2OdO0cXwCj7TwUbayCQuEa

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\fzipkfac = "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
2656	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\fzipkfac\ImagePath = "C:\\Windows\\SysWOW64\\fzipkfac\\jqtrssiw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2236	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	jqtrssiw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 2236	2576	jqtrssiw.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2568	sc.exe
2132	sc.exe
2572	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	jqtrssiw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.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	netsh.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 2724	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	28
PID 1608 wrote to memory of 2724	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	28
PID 1608 wrote to memory of 2724	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	28
PID 1608 wrote to memory of 2724	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	28
PID 1608 wrote to memory of 2332	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	30
PID 1608 wrote to memory of 2332	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	30
PID 1608 wrote to memory of 2332	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	30
PID 1608 wrote to memory of 2332	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	30
PID 1608 wrote to memory of 2132	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	32
PID 1608 wrote to memory of 2132	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	32
PID 1608 wrote to memory of 2132	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	32
PID 1608 wrote to memory of 2132	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	32
PID 1608 wrote to memory of 2572	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	34
PID 1608 wrote to memory of 2572	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	34
PID 1608 wrote to memory of 2572	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	34
PID 1608 wrote to memory of 2572	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	34
PID 1608 wrote to memory of 2568	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	36
PID 1608 wrote to memory of 2568	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	36
PID 1608 wrote to memory of 2568	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	36
PID 1608 wrote to memory of 2568	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	36
PID 1608 wrote to memory of 2656	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	39
PID 1608 wrote to memory of 2656	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	39
PID 1608 wrote to memory of 2656	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	39
PID 1608 wrote to memory of 2656	1608	JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe	39
PID 2576 wrote to memory of 2236	2576	jqtrssiw.exe	41
PID 2576 wrote to memory of 2236	2576	jqtrssiw.exe	41
PID 2576 wrote to memory of 2236	2576	jqtrssiw.exe	41
PID 2576 wrote to memory of 2236	2576	jqtrssiw.exe	41
PID 2576 wrote to memory of 2236	2576	jqtrssiw.exe	41
PID 2576 wrote to memory of 2236	2576	jqtrssiw.exe	41

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fzipkfac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jqtrssiw.exe" C:\Windows\SysWOW64\fzipkfac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fzipkfac binPath= "C:\Windows\SysWOW64\fzipkfac\jqtrssiw.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fzipkfac "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fzipkfac
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2568
- 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:2656

C:\Windows\SysWOW64\fzipkfac\jqtrssiw.exe
C:\Windows\SysWOW64\fzipkfac\jqtrssiw.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8004d9880f148d86544d90cf8d516eefc8571561d1635c03bc91bbb10be11be6.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- 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:2236

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\jqtrssiw.exe

Filesize
14.4MB

MD5
f7e07046c295486a9cf72ef8aac24c07

SHA1
ece043b38bfdc38bf62682fbdfe6cd85e0055995

SHA256
30d075f67a1f9846e48a3b74b1bcd4159026a0cdf739d870c188b1773b11c9dd

SHA512
9cc8b247574f7ef8658442842a8e7c72f02bb01d387aa7dc9015bf26a1d86b58a736d5dae52c61e0dfd1f7b1d04d594aa12e44ffe7998ea7fdf82293fc80e9f8

Download Submit
memory/1608-8-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1608-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1608-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1608-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1608-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1608-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2236-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2236-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2236-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2236-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2236-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-15-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads