tofsee | 9890431d787f9448ed2abe4c371c580c7751577afc5994618bb3b7f852813077

General

Target

f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe
Size

10.3MB
MD5

f41d75b14ec54e06280c36e915290f41
SHA1

afc0c56f74ff4f4b85649463167f562532d3616d
SHA256

9890431d787f9448ed2abe4c371c580c7751577afc5994618bb3b7f852813077
SHA512

7b035781972deea2327d1b0fb841fcd9c02b2ddd14bcbde3c3efcea1a43776c31709111978d983efff36557a75c71d2b74b4ba1188c6ef4709fe3b478948bf0d
SSDEEP

24576:MjY+lg48SlJPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:3HSl

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

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\aqiipstt = "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

1992 netsh.exe

pid	process
1992	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\aqiipstt\ImagePath = "C:\\Windows\\SysWOW64\\aqiipstt\\hioxiesa.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1016 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

hioxiesa.exe

pid process

1760 hioxiesa.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

hioxiesa.exe

description pid process target process

PID 1760 set thread context of 1016 1760 hioxiesa.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

1608 sc.exe
1160 sc.exe
948 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1016	svchost.exe

pid	process
1760	hioxiesa.exe

description	pid	process	target process
PID 1760 set thread context of 1016	1760	hioxiesa.exe	svchost.exe

pid	process
1608	sc.exe
1160	sc.exe
948	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exehioxiesa.exe

description	pid	process	target process
PID 2336 wrote to memory of 2344	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	cmd.exe
PID 2336 wrote to memory of 2344	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	cmd.exe
PID 2336 wrote to memory of 2344	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	cmd.exe
PID 2336 wrote to memory of 2344	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	cmd.exe
PID 2336 wrote to memory of 1612	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	cmd.exe
PID 2336 wrote to memory of 1612	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	cmd.exe
PID 2336 wrote to memory of 1612	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	cmd.exe
PID 2336 wrote to memory of 1612	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	cmd.exe
PID 2336 wrote to memory of 1608	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 1608	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 1608	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 1608	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 1160	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 1160	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 1160	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 1160	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 948	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 948	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 948	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 948	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	sc.exe
PID 2336 wrote to memory of 1992	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	netsh.exe
PID 2336 wrote to memory of 1992	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	netsh.exe
PID 2336 wrote to memory of 1992	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	netsh.exe
PID 2336 wrote to memory of 1992	2336	f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe	netsh.exe
PID 1760 wrote to memory of 1016	1760	hioxiesa.exe	svchost.exe
PID 1760 wrote to memory of 1016	1760	hioxiesa.exe	svchost.exe
PID 1760 wrote to memory of 1016	1760	hioxiesa.exe	svchost.exe
PID 1760 wrote to memory of 1016	1760	hioxiesa.exe	svchost.exe
PID 1760 wrote to memory of 1016	1760	hioxiesa.exe	svchost.exe
PID 1760 wrote to memory of 1016	1760	hioxiesa.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2336

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aqiipstt\
2⤵
PID:2344

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hioxiesa.exe" C:\Windows\SysWOW64\aqiipstt\
2⤵
PID:1612

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create aqiipstt binPath= "C:\Windows\SysWOW64\aqiipstt\hioxiesa.exe /d\"C:\Users\Admin\AppData\Local\Temp\f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1608

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description aqiipstt "wifi internet conection"
2⤵
- Launches sc.exe
PID:1160

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start aqiipstt
2⤵
- Launches sc.exe
PID:948

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:1992

C:\Windows\SysWOW64\aqiipstt\hioxiesa.exe
C:\Windows\SysWOW64\aqiipstt\hioxiesa.exe /d"C:\Users\Admin\AppData\Local\Temp\f41d75b14ec54e06280c36e915290f41_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1760

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:1016

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\hioxiesa.exe
Filesize
11.6MB

MD5
2cff3faa810fc2167ce0f9992686c629

SHA1
baadec1887bea33878da6708a952de44207a782d

SHA256
a8e9ae4fff80ae87dc4f19ec4ad27143ab2e85c6407a5dca04647717d219fbe1

SHA512
37cd9a20e0d0019438b96558944d70cbf3588bb1934ea463cfca8d81a085d1f8b8b6426cabe2675028a386b1056f610932c01813567d54214ffb91eca761f29e

Download Submit
memory/1016-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1016-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1016-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1016-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1016-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1016-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1760-11-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/1760-10-0x0000000000A30000-0x0000000000B30000-memory.dmp

Filesize
1024KB

Download
memory/1760-17-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/2336-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2336-8-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2336-4-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/2336-7-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/2336-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads