tofsee | 874a9f3f63ed70e21534e934e46414299378b356fd43aa6913830893e1dc0acc

Analysis

max time kernel
145s
max time network
146s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 00:10

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General

Target

e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe
Size

14.8MB
MD5

e3d03a9bc3c9fb03b13b7a88f5e0c9e2
SHA1

d5e7db18e136a7a17e8a42eb2698087d8f525c9d
SHA256

874a9f3f63ed70e21534e934e46414299378b356fd43aa6913830893e1dc0acc
SHA512

994d82123da445ff8a6b5ffcbccc34e73fbe48ff8ba5884b916997d79a95af29877f04394d8dfc87cb2f038707992ee6267e3b9df19bdc4ee1d41aac2d77ce06
SSDEEP

49152:dSGAcdeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee7:dSO

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\xbbevxwn = "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
2752	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\xbbevxwn\ImagePath = "C:\\Windows\\SysWOW64\\xbbevxwn\\dpwqvbow.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3056	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	dpwqvbow.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 3056	2736	dpwqvbow.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3016	sc.exe
2620	sc.exe
2672	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	dpwqvbow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 2056	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	30
PID 1864 wrote to memory of 2056	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	30
PID 1864 wrote to memory of 2056	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	30
PID 1864 wrote to memory of 2056	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	30
PID 1864 wrote to memory of 2964	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	32
PID 1864 wrote to memory of 2964	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	32
PID 1864 wrote to memory of 2964	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	32
PID 1864 wrote to memory of 2964	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	32
PID 1864 wrote to memory of 3016	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	34
PID 1864 wrote to memory of 3016	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	34
PID 1864 wrote to memory of 3016	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	34
PID 1864 wrote to memory of 3016	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	34
PID 1864 wrote to memory of 2620	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	36
PID 1864 wrote to memory of 2620	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	36
PID 1864 wrote to memory of 2620	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	36
PID 1864 wrote to memory of 2620	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	36
PID 1864 wrote to memory of 2672	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	38
PID 1864 wrote to memory of 2672	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	38
PID 1864 wrote to memory of 2672	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	38
PID 1864 wrote to memory of 2672	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	38
PID 1864 wrote to memory of 2752	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	41
PID 1864 wrote to memory of 2752	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	41
PID 1864 wrote to memory of 2752	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	41
PID 1864 wrote to memory of 2752	1864	e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe	41
PID 2736 wrote to memory of 3056	2736	dpwqvbow.exe	43
PID 2736 wrote to memory of 3056	2736	dpwqvbow.exe	43
PID 2736 wrote to memory of 3056	2736	dpwqvbow.exe	43
PID 2736 wrote to memory of 3056	2736	dpwqvbow.exe	43
PID 2736 wrote to memory of 3056	2736	dpwqvbow.exe	43
PID 2736 wrote to memory of 3056	2736	dpwqvbow.exe	43

C:\Users\Admin\AppData\Local\Temp\e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xbbevxwn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dpwqvbow.exe" C:\Windows\SysWOW64\xbbevxwn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xbbevxwn binPath= "C:\Windows\SysWOW64\xbbevxwn\dpwqvbow.exe /d\"C:\Users\Admin\AppData\Local\Temp\e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3016
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xbbevxwn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2620
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xbbevxwn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- 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:2752

C:\Windows\SysWOW64\xbbevxwn\dpwqvbow.exe
C:\Windows\SysWOW64\xbbevxwn\dpwqvbow.exe /d"C:\Users\Admin\AppData\Local\Temp\e3d03a9bc3c9fb03b13b7a88f5e0c9e2_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- 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:3056

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\dpwqvbow.exe

Filesize
10.6MB

MD5
0b4a740d182f46b5a5abb6f8c811df68

SHA1
e73c83cd44eeabb9ff2bb3bdcc42f50af5f3bd40

SHA256
abd0b03f0ffcc1df5472a6e62a1ef40bff427e0bf361d525a2ae3c979e5fe9a2

SHA512
d3bbffdc902e6b65a6d3385f1e63481ffaed087674aa37b21462f9c7d961d11ba670713d11e04fc2bef38c54cf0e6062285a46eb0969433f97eb6e7ccb45f4d2

Download Submit
memory/1864-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1864-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1864-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1864-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/1864-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1864-1-0x0000000000A10000-0x0000000000B10000-memory.dmp

Filesize
1024KB

Download
memory/2736-16-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/3056-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3056-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads