tofsee | a221a2996b315a116ccfe8e2d7b553fc3a02e7ebb8a11e78e5117f11ed2cfc62

General

Target

f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe
Size

11.4MB
MD5

f8256df8c758c14405aaf36f704caaad
SHA1

087dfabfb57a9a0896609642d9e18dc60939e378
SHA256

a221a2996b315a116ccfe8e2d7b553fc3a02e7ebb8a11e78e5117f11ed2cfc62
SHA512

37606175aca89abcec765db9d51a9237945827dab77f66ce719b5bb9e9e6d7db77ec8a6af97e5d34694065973417d1930897f37c5621033ebf87100436ccdd4b
SSDEEP

98304:4UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUf:

Score

10^/10

tofsee evasion persistence 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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\timtftms = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2744 netsh.exe

pid	process
2744	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\timtftms\ImagePath = "C:\\Windows\\SysWOW64\\timtftms\\umvdanzt.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2484 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

umvdanzt.exe

pid process

2596 umvdanzt.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

umvdanzt.exe

description pid process target process

PID 2596 set thread context of 2484 2596 umvdanzt.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

2556 sc.exe
2592 sc.exe
2740 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2484	svchost.exe

pid	process
2596	umvdanzt.exe

description	pid	process	target process
PID 2596 set thread context of 2484	2596	umvdanzt.exe	svchost.exe

pid	process
2556	sc.exe
2592	sc.exe
2740	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exeumvdanzt.exe

description	pid	process	target process
PID 1632 wrote to memory of 2156	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1632 wrote to memory of 2156	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1632 wrote to memory of 2156	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1632 wrote to memory of 2156	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1632 wrote to memory of 2668	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1632 wrote to memory of 2668	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1632 wrote to memory of 2668	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1632 wrote to memory of 2668	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1632 wrote to memory of 2556	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2556	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2556	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2556	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2592	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2592	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2592	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2592	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2740	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2740	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2740	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2740	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1632 wrote to memory of 2744	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	netsh.exe
PID 1632 wrote to memory of 2744	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	netsh.exe
PID 1632 wrote to memory of 2744	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	netsh.exe
PID 1632 wrote to memory of 2744	1632	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	netsh.exe
PID 2596 wrote to memory of 2484	2596	umvdanzt.exe	svchost.exe
PID 2596 wrote to memory of 2484	2596	umvdanzt.exe	svchost.exe
PID 2596 wrote to memory of 2484	2596	umvdanzt.exe	svchost.exe
PID 2596 wrote to memory of 2484	2596	umvdanzt.exe	svchost.exe
PID 2596 wrote to memory of 2484	2596	umvdanzt.exe	svchost.exe
PID 2596 wrote to memory of 2484	2596	umvdanzt.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\timtftms\
  2⤵
  PID:2156
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\umvdanzt.exe" C:\Windows\SysWOW64\timtftms\
  2⤵
  PID:2668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create timtftms binPath= "C:\Windows\SysWOW64\timtftms\umvdanzt.exe /d\"C:\Users\Admin\AppData\Local\Temp\f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2556
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description timtftms "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2592
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start timtftms
  2⤵
  - Launches sc.exe
  PID:2740
- 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
  PID:2744

C:\Windows\SysWOW64\timtftms\umvdanzt.exe
C:\Windows\SysWOW64\timtftms\umvdanzt.exe /d"C:\Users\Admin\AppData\Local\Temp\f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\umvdanzt.exe

Filesize
10.6MB

MD5
b1c1363533986c1aa5d48631dc7f97f2

SHA1
f5d2f43061f9b1e1e0b6b7b0fb389eee387b4839

SHA256
3810017db0611c53b8ec0cd199473364614e2dab164d746a5fd1ddc4a6d754b6

SHA512
151dc8e313283c366f915c8eb7495971594b8f955a742abf8701da3b484b688c5d5fcfbb45751d5f09e47878c9b12d658e3ef265f8ee12f8d6cd83095fc87f62

Download Submit
memory/1632-1-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

Filesize
1024KB

Download
memory/1632-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1632-4-0x0000000000400000-0x0000000002CC4000-memory.dmp

Filesize
40.8MB

Download
memory/1632-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1632-6-0x0000000000400000-0x0000000002CC4000-memory.dmp

Filesize
40.8MB

Download
memory/2484-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2484-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2484-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2484-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2484-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2484-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-10-0x0000000002E70000-0x0000000002F70000-memory.dmp

Filesize
1024KB

Download
memory/2596-16-0x0000000000400000-0x0000000002CC4000-memory.dmp

Filesize
40.8MB

Download
memory/2596-18-0x0000000000400000-0x0000000002CC4000-memory.dmp

Filesize
40.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads