tofsee | 3b81501b4c22dbf3d58fd6af148aacdc7bc1acf761a3f7209e351b1bde12616b

General

Target

fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe
Size

11.0MB
MD5

fb725cdde0c644bf58ed7bc807d400fe
SHA1

4c31c781d128da8576b73cb86596720d0faaab3c
SHA256

3b81501b4c22dbf3d58fd6af148aacdc7bc1acf761a3f7209e351b1bde12616b
SHA512

eec1664315a2fb1625705fc7980c007fc790675c9ad2c13c6db01ee5adb7c6114c2b8cdb1f1dd6ac5ecacddce6e35d0616d20d086aac7fe0d78ee02636edb71d
SSDEEP

12288:4IIW7A7qL8SHSIiwN/iZBqAsArTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT3:5A7qLNNf

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\kxppejka = "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

2724 netsh.exe

pid	process
2724	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\kxppejka\ImagePath = "C:\\Windows\\SysWOW64\\kxppejka\\wfvjkynt.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2476 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

wfvjkynt.exe

pid process

2620 wfvjkynt.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

wfvjkynt.exe

description pid process target process

PID 2620 set thread context of 2476 2620 wfvjkynt.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

2660 sc.exe
3044 sc.exe
2728 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2476	svchost.exe

pid	process
2620	wfvjkynt.exe

description	pid	process	target process
PID 2620 set thread context of 2476	2620	wfvjkynt.exe	svchost.exe

pid	process
2660	sc.exe
3044	sc.exe
2728	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exewfvjkynt.exe

description	pid	process	target process
PID 2124 wrote to memory of 1712	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 2124 wrote to memory of 1712	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 2124 wrote to memory of 1712	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 2124 wrote to memory of 1712	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 2124 wrote to memory of 2552	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 2124 wrote to memory of 2552	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 2124 wrote to memory of 2552	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 2124 wrote to memory of 2552	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 2124 wrote to memory of 2660	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 2660	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 2660	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 2660	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 3044	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 3044	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 3044	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 3044	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 2728	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 2728	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 2728	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 2728	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 2124 wrote to memory of 2724	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	netsh.exe
PID 2124 wrote to memory of 2724	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	netsh.exe
PID 2124 wrote to memory of 2724	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	netsh.exe
PID 2124 wrote to memory of 2724	2124	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	netsh.exe
PID 2620 wrote to memory of 2476	2620	wfvjkynt.exe	svchost.exe
PID 2620 wrote to memory of 2476	2620	wfvjkynt.exe	svchost.exe
PID 2620 wrote to memory of 2476	2620	wfvjkynt.exe	svchost.exe
PID 2620 wrote to memory of 2476	2620	wfvjkynt.exe	svchost.exe
PID 2620 wrote to memory of 2476	2620	wfvjkynt.exe	svchost.exe
PID 2620 wrote to memory of 2476	2620	wfvjkynt.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2124

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kxppejka\
2⤵
PID:1712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wfvjkynt.exe" C:\Windows\SysWOW64\kxppejka\
2⤵
PID:2552

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create kxppejka binPath= "C:\Windows\SysWOW64\kxppejka\wfvjkynt.exe /d\"C:\Users\Admin\AppData\Local\Temp\fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2660

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description kxppejka "wifi internet conection"
2⤵
- Launches sc.exe
PID:3044

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start kxppejka
2⤵
- Launches sc.exe
PID:2728

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:2724

C:\Windows\SysWOW64\kxppejka\wfvjkynt.exe
C:\Windows\SysWOW64\kxppejka\wfvjkynt.exe /d"C:\Users\Admin\AppData\Local\Temp\fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2620

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2476

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

1

T1562.001

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\wfvjkynt.exe
Filesize
14.7MB

MD5
deb2d81c01c1b9932963f98e3ace9c42

SHA1
5b77377f273f3e96a9eece61672d39d218372ab1

SHA256
2cd90a7e5512cee98740aa1da73bc09171b480f9b5e1b40c1769e68d6c3718ff

SHA512
807517bafa5a25792b266197b41ae37545a91db8c71fd4f7c3e87b7df3629ca9ba6a38253eaac8fa2a4b3a006a68562f8484955de8477440414db5f36682f704

Download Submit
memory/2124-4-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2124-3-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2124-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2124-8-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2124-9-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2476-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2476-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2476-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2476-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2476-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2476-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2476-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2476-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2620-13-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2620-16-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2620-10-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads