tofsee | 67314c47761f224867a6e381e23d77fa7cf662643e5bb801e3f472f6d038c19a

General

Target

0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe
Size

11.0MB
MD5

0e51c9c45b53313e8e6c0576345d3b19
SHA1

55f17718e70dded090e1ced958d4a9d8dc531027
SHA256

67314c47761f224867a6e381e23d77fa7cf662643e5bb801e3f472f6d038c19a
SHA512

41e28eb3d83083c91f065003a0f3a4dca521c9928aa640a746e5ad600d558533afd166b0d165bd8e531a307a101e9eba19128a6d0a78b756991f9617dfb5eb18
SSDEEP

98304:ouuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu3:

Score

10^/10

tofsee evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
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

Processes:

netsh.exe

pid process

2756 netsh.exe

pid	process
2756	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\hxrjytu\ImagePath = "C:\\Windows\\SysWOW64\\hxrjytu\\vpyivydp.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2748 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

vpyivydp.exe

pid process

2768 vpyivydp.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

vpyivydp.exe

description pid process target process

PID 2768 set thread context of 2748 2768 vpyivydp.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2632 sc.exe
2996 sc.exe
2644 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2748	svchost.exe

pid	process
2768	vpyivydp.exe

description	pid	process	target process
PID 2768 set thread context of 2748	2768	vpyivydp.exe	svchost.exe

pid	process
2632	sc.exe
2996	sc.exe
2644	sc.exe

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

Processes:

netsh.exe

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

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exevpyivydp.exe

description	pid	process	target process
PID 2236 wrote to memory of 2088	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	cmd.exe
PID 2236 wrote to memory of 2088	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	cmd.exe
PID 2236 wrote to memory of 2088	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	cmd.exe
PID 2236 wrote to memory of 2088	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	cmd.exe
PID 2236 wrote to memory of 2284	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	cmd.exe
PID 2236 wrote to memory of 2284	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	cmd.exe
PID 2236 wrote to memory of 2284	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	cmd.exe
PID 2236 wrote to memory of 2284	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	cmd.exe
PID 2236 wrote to memory of 2996	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2996	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2996	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2996	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2644	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2644	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2644	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2644	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2632	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2632	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2632	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2632	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	sc.exe
PID 2236 wrote to memory of 2756	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	netsh.exe
PID 2236 wrote to memory of 2756	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	netsh.exe
PID 2236 wrote to memory of 2756	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	netsh.exe
PID 2236 wrote to memory of 2756	2236	0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe	netsh.exe
PID 2768 wrote to memory of 2748	2768	vpyivydp.exe	svchost.exe
PID 2768 wrote to memory of 2748	2768	vpyivydp.exe	svchost.exe
PID 2768 wrote to memory of 2748	2768	vpyivydp.exe	svchost.exe
PID 2768 wrote to memory of 2748	2768	vpyivydp.exe	svchost.exe
PID 2768 wrote to memory of 2748	2768	vpyivydp.exe	svchost.exe
PID 2768 wrote to memory of 2748	2768	vpyivydp.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2236

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hxrjytu\
2⤵
PID:2088

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vpyivydp.exe" C:\Windows\SysWOW64\hxrjytu\
2⤵
PID:2284

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create hxrjytu binPath= "C:\Windows\SysWOW64\hxrjytu\vpyivydp.exe /d\"C:\Users\Admin\AppData\Local\Temp\0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2996

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description hxrjytu "wifi internet conection"
2⤵
- Launches sc.exe
PID:2644

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start hxrjytu
2⤵
- Launches sc.exe
PID:2632

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
PID:2756

C:\Windows\SysWOW64\hxrjytu\vpyivydp.exe
C:\Windows\SysWOW64\hxrjytu\vpyivydp.exe /d"C:\Users\Admin\AppData\Local\Temp\0e51c9c45b53313e8e6c0576345d3b19_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2768

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\vpyivydp.exe
Filesize
14.6MB

MD5
b2373b06041e8fe75d4b0ed2244bca08

SHA1
0649edbfbcec9076170d255fa4d0e986d8c2dd1c

SHA256
c55139ca778ea1adedc8f934c5cf14ec29b33f5e867221e30ef49325a2fae256

SHA512
0b1572d359ee6acf0b25d45dd6f8e5f355ced30ff3802c8fe3a60a3f6c82fe44b18ff266abf8ee49337f4f80451d14a4cd3b6bcfb58261169b68be657c96907e

Download Submit
memory/2236-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2236-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2236-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/2236-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2236-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2748-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2748-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2748-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2748-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2768-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads