tofsee | 8573d926664e8e68863b4132353913030b894c358af74d436e50d3c00dcf73a3

Analysis

max time kernel
151s
max time network
157s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 04:20

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General

Target

6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe
Size

14.5MB
MD5

6d18d177546eb637963d6a0eeb3850cd
SHA1

b32ad7c9cd878520c73dd07440cf603933c6df77
SHA256

8573d926664e8e68863b4132353913030b894c358af74d436e50d3c00dcf73a3
SHA512

22dfd4c0392b2a9e01f6f1794e4ddf7c0173862b5a4b5963bcc2c4e37e798cb3bb00651ae88a5fe31b5bb83c64082c1266b0834cd1633f740a0f25f939c43d38
SSDEEP

6144:uNytwy0vP4gE/r4JSzyEc9T3M+0snM6rSuB:uI+XvP4Z4JSzyEg7r0snNB

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

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\xpobutbq = "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
2956	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\xpobutbq\ImagePath = "C:\\Windows\\SysWOW64\\xpobutbq\\xnnnctzr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
944	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	xnnnctzr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 944	2732	xnnnctzr.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2976	sc.exe
2884	sc.exe
2800	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	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.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	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	xnnnctzr.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2832	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	30
PID 2768 wrote to memory of 2832	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	30
PID 2768 wrote to memory of 2832	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	30
PID 2768 wrote to memory of 2832	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	30
PID 2768 wrote to memory of 2912	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	32
PID 2768 wrote to memory of 2912	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	32
PID 2768 wrote to memory of 2912	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	32
PID 2768 wrote to memory of 2912	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	32
PID 2768 wrote to memory of 2800	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	34
PID 2768 wrote to memory of 2800	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	34
PID 2768 wrote to memory of 2800	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	34
PID 2768 wrote to memory of 2800	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	34
PID 2768 wrote to memory of 2976	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	36
PID 2768 wrote to memory of 2976	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	36
PID 2768 wrote to memory of 2976	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	36
PID 2768 wrote to memory of 2976	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	36
PID 2768 wrote to memory of 2884	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	38
PID 2768 wrote to memory of 2884	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	38
PID 2768 wrote to memory of 2884	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	38
PID 2768 wrote to memory of 2884	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	38
PID 2768 wrote to memory of 2956	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	40
PID 2768 wrote to memory of 2956	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	40
PID 2768 wrote to memory of 2956	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	40
PID 2768 wrote to memory of 2956	2768	6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe	40
PID 2732 wrote to memory of 944	2732	xnnnctzr.exe	43
PID 2732 wrote to memory of 944	2732	xnnnctzr.exe	43
PID 2732 wrote to memory of 944	2732	xnnnctzr.exe	43
PID 2732 wrote to memory of 944	2732	xnnnctzr.exe	43
PID 2732 wrote to memory of 944	2732	xnnnctzr.exe	43
PID 2732 wrote to memory of 944	2732	xnnnctzr.exe	43

C:\Users\Admin\AppData\Local\Temp\6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xpobutbq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xnnnctzr.exe" C:\Windows\SysWOW64\xpobutbq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2912
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xpobutbq binPath= "C:\Windows\SysWOW64\xpobutbq\xnnnctzr.exe /d\"C:\Users\Admin\AppData\Local\Temp\6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xpobutbq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xpobutbq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- 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:2956

C:\Windows\SysWOW64\xpobutbq\xnnnctzr.exe
C:\Windows\SysWOW64\xpobutbq\xnnnctzr.exe /d"C:\Users\Admin\AppData\Local\Temp\6d18d177546eb637963d6a0eeb3850cd_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- 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:944

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\xnnnctzr.exe

Filesize
12.5MB

MD5
bc9b6f3e178c248c8a76de21ad29fc0a

SHA1
1a54a5ba232f3f1ceb2899f51025c5942db7346f

SHA256
44a191de68a1e2e9705c266b9fefe1cb73bf7a28de02a395e86617868114350e

SHA512
f8dad05d10dca06fd0854ca55c62e0a5ee7877df54e223395a6cc81978578d30a2a1df6bfe1ca5b9f97eaf5e0c47597794a50b96ec58905892cfe7aad33d1217

Download Submit
memory/944-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/944-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/944-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/944-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/944-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-17-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2768-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2768-1-0x0000000000920000-0x0000000000A20000-memory.dmp

Filesize
1024KB

Download
memory/2768-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2768-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2768-7-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2768-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads