tofsee | eef9674a3b52a43eb0fdfaaa7d431a4c2b7dcf48f4ec3bc0e0f1a5f3c0d65817

General

Target

f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe
Size

10.4MB
MD5

f8d73df41f2762b31b9de96cfa433aa0
SHA1

ae4aa80d63ec0a48f6b834a8cd862e0638afd383
SHA256

eef9674a3b52a43eb0fdfaaa7d431a4c2b7dcf48f4ec3bc0e0f1a5f3c0d65817
SHA512

15a379fdeb3a2900e92553054e9acbf3e68ddbe1e29c6806164e34c8a136c8de0b5f556a15e25ddf9577caec1f7a00b7e06d7d2149c0cc35cc9a5e9419286816
SSDEEP

196608:iE/vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvH:iE

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\fovzgxls = "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

2608 netsh.exe

pid	process
2608	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\fovzgxls\ImagePath = "C:\\Windows\\SysWOW64\\fovzgxls\\bqdzlkdp.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1984 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

bqdzlkdp.exe

pid process

2580 bqdzlkdp.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

bqdzlkdp.exe

description pid process target process

PID 2580 set thread context of 1984 2580 bqdzlkdp.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

2664 sc.exe
2544 sc.exe
2560 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1984	svchost.exe

pid	process
2580	bqdzlkdp.exe

description	pid	process	target process
PID 2580 set thread context of 1984	2580	bqdzlkdp.exe	svchost.exe

pid	process
2664	sc.exe
2544	sc.exe
2560	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exebqdzlkdp.exe

description	pid	process	target process
PID 1284 wrote to memory of 2500	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	cmd.exe
PID 1284 wrote to memory of 2500	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	cmd.exe
PID 1284 wrote to memory of 2500	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	cmd.exe
PID 1284 wrote to memory of 2500	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	cmd.exe
PID 1284 wrote to memory of 2160	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	cmd.exe
PID 1284 wrote to memory of 2160	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	cmd.exe
PID 1284 wrote to memory of 2160	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	cmd.exe
PID 1284 wrote to memory of 2160	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	cmd.exe
PID 1284 wrote to memory of 2560	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2560	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2560	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2560	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2664	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2664	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2664	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2664	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2544	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2544	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2544	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2544	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	sc.exe
PID 1284 wrote to memory of 2608	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	netsh.exe
PID 1284 wrote to memory of 2608	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	netsh.exe
PID 1284 wrote to memory of 2608	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	netsh.exe
PID 1284 wrote to memory of 2608	1284	f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe	netsh.exe
PID 2580 wrote to memory of 1984	2580	bqdzlkdp.exe	svchost.exe
PID 2580 wrote to memory of 1984	2580	bqdzlkdp.exe	svchost.exe
PID 2580 wrote to memory of 1984	2580	bqdzlkdp.exe	svchost.exe
PID 2580 wrote to memory of 1984	2580	bqdzlkdp.exe	svchost.exe
PID 2580 wrote to memory of 1984	2580	bqdzlkdp.exe	svchost.exe
PID 2580 wrote to memory of 1984	2580	bqdzlkdp.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1284

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fovzgxls\
2⤵
PID:2500

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bqdzlkdp.exe" C:\Windows\SysWOW64\fovzgxls\
2⤵
PID:2160

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create fovzgxls binPath= "C:\Windows\SysWOW64\fovzgxls\bqdzlkdp.exe /d\"C:\Users\Admin\AppData\Local\Temp\f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2560

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description fovzgxls "wifi internet conection"
2⤵
- Launches sc.exe
PID:2664

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start fovzgxls
2⤵
- Launches sc.exe
PID:2544

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:2608

C:\Windows\SysWOW64\fovzgxls\bqdzlkdp.exe
C:\Windows\SysWOW64\fovzgxls\bqdzlkdp.exe /d"C:\Users\Admin\AppData\Local\Temp\f8d73df41f2762b31b9de96cfa433aa0_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2580

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:1984

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\bqdzlkdp.exe
Filesize
14.3MB

MD5
9d3446fe4c87e6352286b6376713b161

SHA1
d908a5070bf4b0eb73c6d95ef76744c052862753

SHA256
3363d014508cc9e1ff91809798167711349c81df5b549835df245ff017a88c5b

SHA512
24c57d32972c9bc2200f36b18773ebece1aced9a8d115becb0a3ecf217a45bda92255c1b185709e5bdc7130e31436591daf81d63fd814893f595cce603d19869

Download Submit
memory/1284-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/1284-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1284-4-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/1284-6-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/1984-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1984-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1984-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1984-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1984-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1984-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1984-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2580-10-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2580-9-0x00000000009B0000-0x0000000000AB0000-memory.dmp

Filesize
1024KB

Download
memory/2580-15-0x0000000000400000-0x0000000000870000-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