tofsee | a5eb7b712c179c271096f6119985b67303d0c18875f33d7ea5cf2fdbcf41dd72

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
06-10-2024 14:42

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General

Target

18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe
Size

11.6MB
MD5

18840d0fd7d8bd428acafd42d8a85cf0
SHA1

96aaf420d989c98f571d4609d28ab733b89ad070
SHA256

a5eb7b712c179c271096f6119985b67303d0c18875f33d7ea5cf2fdbcf41dd72
SHA512

628118fb72328ba29fe8d30a9f283231c4d4a1789aa4a75812c4276d475bb0734c118fe45bb6a57c1ddb6ddffdd8e42f4eb5edb8f3f4488986d4c51830ece4da
SSDEEP

3072:jMvoJ8oyOUQmaEa1otqKjHJSQEb/PUNnrU0vyHeN2hFRsGcPEH/UnpkWxeVxENOY:jMvw8F3QDEFgIpb8U92ebznbxe4

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\xphdcgqs = "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
2892	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\xphdcgqs\ImagePath = "C:\\Windows\\SysWOW64\\xphdcgqs\\tamzivwq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2836	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	tamzivwq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 2836	2856	tamzivwq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2520	sc.exe
2900	sc.exe
1244	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	cmd.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	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.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	tamzivwq.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1672	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	30
PID 1600 wrote to memory of 1672	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	30
PID 1600 wrote to memory of 1672	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	30
PID 1600 wrote to memory of 1672	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2536	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	32
PID 1600 wrote to memory of 2536	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	32
PID 1600 wrote to memory of 2536	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	32
PID 1600 wrote to memory of 2536	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	32
PID 1600 wrote to memory of 2520	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	34
PID 1600 wrote to memory of 2520	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	34
PID 1600 wrote to memory of 2520	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	34
PID 1600 wrote to memory of 2520	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	34
PID 1600 wrote to memory of 2900	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	36
PID 1600 wrote to memory of 2900	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	36
PID 1600 wrote to memory of 2900	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	36
PID 1600 wrote to memory of 2900	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	36
PID 1600 wrote to memory of 1244	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	38
PID 1600 wrote to memory of 1244	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	38
PID 1600 wrote to memory of 1244	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	38
PID 1600 wrote to memory of 1244	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	38
PID 1600 wrote to memory of 2892	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	41
PID 1600 wrote to memory of 2892	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	41
PID 1600 wrote to memory of 2892	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	41
PID 1600 wrote to memory of 2892	1600	18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe	41
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	43
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	43
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	43
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	43
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	43
PID 2856 wrote to memory of 2836	2856	tamzivwq.exe	43

C:\Users\Admin\AppData\Local\Temp\18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xphdcgqs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tamzivwq.exe" C:\Windows\SysWOW64\xphdcgqs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xphdcgqs binPath= "C:\Windows\SysWOW64\xphdcgqs\tamzivwq.exe /d\"C:\Users\Admin\AppData\Local\Temp\18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2520
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xphdcgqs "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2900
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xphdcgqs
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1244
- 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:2892

C:\Windows\SysWOW64\xphdcgqs\tamzivwq.exe
C:\Windows\SysWOW64\xphdcgqs\tamzivwq.exe /d"C:\Users\Admin\AppData\Local\Temp\18840d0fd7d8bd428acafd42d8a85cf0_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2836

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\tamzivwq.exe

Filesize
10.5MB

MD5
199d992b9a0c56358e5a77cd5ba105c6

SHA1
2cecf461a98b8b915e7367cdc26e3f0114993757

SHA256
5d27aec4a5e0b7340b3c07695ec6dc9a07bedaa6d268e9f514d98c3bf90fa6a4

SHA512
19ded43e1b54cff97e743915570b64288c7d17369d35d7cb178f70caa5dcd087abfffd3a1a29d2f5346c9a6259c85003db392711edebea48a176310e162cb449

Download Submit
memory/1600-1-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/1600-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1600-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1600-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/1600-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2836-13-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2836-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-10-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2836-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2836-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2856-16-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads