tofsee | c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 23:18

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General

Target

JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe
Size

165KB
MD5

61d5927de2e87d20ed931c0477093c00
SHA1

13576aee06b240532a623e54ada4349112ee70a3
SHA256

c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4
SHA512

9b721bd4a2ce6268c5239c8c7e1ffc8e3bc487d9de79451ba5b5a2744488d4867250e576f8a25260dd84b069419b4cdd2376f1d4433e4b127ee5f8eb0fd80e53
SSDEEP

3072:8HecR8524A4opoavTqaeqUFM+7U7FA5jdDn4qko9K2D22y0u2:BcR024NlaTzUFM+7mArkgqe

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\wtncpseu = "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
2548	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\wtncpseu\ImagePath = "C:\\Windows\\SysWOW64\\wtncpseu\\xcbzpvet.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3004	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2600	xcbzpvet.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2600 set thread context of 3004	2600	xcbzpvet.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2792	sc.exe
2680	sc.exe
2728	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.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	xcbzpvet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2780	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	30
PID 2128 wrote to memory of 2780	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	30
PID 2128 wrote to memory of 2780	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	30
PID 2128 wrote to memory of 2780	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	30
PID 2128 wrote to memory of 2748	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	32
PID 2128 wrote to memory of 2748	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	32
PID 2128 wrote to memory of 2748	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	32
PID 2128 wrote to memory of 2748	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	32
PID 2128 wrote to memory of 2680	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	34
PID 2128 wrote to memory of 2680	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	34
PID 2128 wrote to memory of 2680	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	34
PID 2128 wrote to memory of 2680	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	34
PID 2128 wrote to memory of 2728	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	36
PID 2128 wrote to memory of 2728	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	36
PID 2128 wrote to memory of 2728	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	36
PID 2128 wrote to memory of 2728	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	36
PID 2128 wrote to memory of 2792	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	38
PID 2128 wrote to memory of 2792	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	38
PID 2128 wrote to memory of 2792	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	38
PID 2128 wrote to memory of 2792	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	38
PID 2128 wrote to memory of 2548	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	41
PID 2128 wrote to memory of 2548	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	41
PID 2128 wrote to memory of 2548	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	41
PID 2128 wrote to memory of 2548	2128	JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe	41
PID 2600 wrote to memory of 3004	2600	xcbzpvet.exe	43
PID 2600 wrote to memory of 3004	2600	xcbzpvet.exe	43
PID 2600 wrote to memory of 3004	2600	xcbzpvet.exe	43
PID 2600 wrote to memory of 3004	2600	xcbzpvet.exe	43
PID 2600 wrote to memory of 3004	2600	xcbzpvet.exe	43
PID 2600 wrote to memory of 3004	2600	xcbzpvet.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wtncpseu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xcbzpvet.exe" C:\Windows\SysWOW64\wtncpseu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wtncpseu binPath= "C:\Windows\SysWOW64\wtncpseu\xcbzpvet.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wtncpseu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wtncpseu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2792
- 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:2548

C:\Windows\SysWOW64\wtncpseu\xcbzpvet.exe
C:\Windows\SysWOW64\wtncpseu\xcbzpvet.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7afe2610ad94ccc44eae5c2251ffa81e94043fb2990325f47c8fe8f5cfdf6e4.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- 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:3004

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\xcbzpvet.exe

Filesize
14.3MB

MD5
fd950d2ffb9c7d45eddd9baa6f38ca75

SHA1
1647620968b288db06237d9428e5c9271ddf27ee

SHA256
3e025ef9c37cdd1ea835e2f922e6f2a648c5d9c597628fad8173d32644b619a4

SHA512
48f8a181bdf868749e3613fb755e7a87a5aedca2d43ce9ddf70c86ffbd567ada1dbe164b9af5fad50ad59bbe5fdd158692a310e58579da456e21f965f2cc8c76

Download Submit
memory/2128-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2128-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2128-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2128-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2128-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2128-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2128-6-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2600-14-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3004-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3004-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3004-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3004-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3004-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads