tofsee | 48e0ce9cfa0bd0951aaf6cff66593631c06472384d593641fe76854c7d0b3f82

General

Target

ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe
Size

11.2MB
MD5

ffdceebfd66c68c128cd5c7e349881b5
SHA1

19e173e67dea7a78b95bce015cf4a58dc2f976c7
SHA256

48e0ce9cfa0bd0951aaf6cff66593631c06472384d593641fe76854c7d0b3f82
SHA512

be958ffd1343a1e1c06ea68a29fa6861c6a1762a74f227190c7d2597a0a64f9926527491b8a11835975d6bf7743359423c9dbf090523d9585c7d1afb623acbd8
SSDEEP

49152:wNbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb7:w

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\mwuqffgc = "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

2552 netsh.exe

pid	process
2552	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\mwuqffgc\ImagePath = "C:\\Windows\\SysWOW64\\mwuqffgc\\igvhbxiy.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2464 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

igvhbxiy.exe

pid process

2568 igvhbxiy.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

igvhbxiy.exe

description pid process target process

PID 2568 set thread context of 2464 2568 igvhbxiy.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

2628 sc.exe
2576 sc.exe
2640 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2464	svchost.exe

pid	process
2568	igvhbxiy.exe

description	pid	process	target process
PID 2568 set thread context of 2464	2568	igvhbxiy.exe	svchost.exe

pid	process
2628	sc.exe
2576	sc.exe
2640	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exeigvhbxiy.exe

description	pid	process	target process
PID 1444 wrote to memory of 2372	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	cmd.exe
PID 1444 wrote to memory of 2372	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	cmd.exe
PID 1444 wrote to memory of 2372	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	cmd.exe
PID 1444 wrote to memory of 2372	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	cmd.exe
PID 1444 wrote to memory of 2984	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	cmd.exe
PID 1444 wrote to memory of 2984	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	cmd.exe
PID 1444 wrote to memory of 2984	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	cmd.exe
PID 1444 wrote to memory of 2984	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	cmd.exe
PID 1444 wrote to memory of 2576	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2576	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2576	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2576	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2640	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2640	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2640	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2640	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2628	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2628	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2628	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2628	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	sc.exe
PID 1444 wrote to memory of 2552	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	netsh.exe
PID 1444 wrote to memory of 2552	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	netsh.exe
PID 1444 wrote to memory of 2552	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	netsh.exe
PID 1444 wrote to memory of 2552	1444	ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe	netsh.exe
PID 2568 wrote to memory of 2464	2568	igvhbxiy.exe	svchost.exe
PID 2568 wrote to memory of 2464	2568	igvhbxiy.exe	svchost.exe
PID 2568 wrote to memory of 2464	2568	igvhbxiy.exe	svchost.exe
PID 2568 wrote to memory of 2464	2568	igvhbxiy.exe	svchost.exe
PID 2568 wrote to memory of 2464	2568	igvhbxiy.exe	svchost.exe
PID 2568 wrote to memory of 2464	2568	igvhbxiy.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mwuqffgc\
2⤵
PID:2372

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\igvhbxiy.exe" C:\Windows\SysWOW64\mwuqffgc\
2⤵
PID:2984

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create mwuqffgc binPath= "C:\Windows\SysWOW64\mwuqffgc\igvhbxiy.exe /d\"C:\Users\Admin\AppData\Local\Temp\ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2576

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description mwuqffgc "wifi internet conection"
2⤵
- Launches sc.exe
PID:2640

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start mwuqffgc
2⤵
- Launches sc.exe
PID:2628

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:2552

C:\Windows\SysWOW64\mwuqffgc\igvhbxiy.exe
C:\Windows\SysWOW64\mwuqffgc\igvhbxiy.exe /d"C:\Users\Admin\AppData\Local\Temp\ffdceebfd66c68c128cd5c7e349881b5_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2568

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2464

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\igvhbxiy.exe
Filesize
14.8MB

MD5
f5390ca2a46c944c82b949478d19a80a

SHA1
3677b7998e400dcd03e412a3294a7a4aa063828f

SHA256
6f4cb0a27c039a4e3ee72287bf6244540004b9d5e27091b5aec9d6755a82b762

SHA512
e9535f448ccc85080e75d2664ccbb09b7a151a6406da1c10fdb9e058bbe2dbf8e104b74a2f757b0154230154de835817a20f0cfb09401703504dd84279a5eb0e

Download Submit
memory/1444-3-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1444-1-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

Filesize
1024KB

Download
memory/1444-4-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/1444-8-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2464-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2464-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2464-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2464-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2464-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2464-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2464-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2568-9-0x0000000002C40000-0x0000000002D40000-memory.dmp

Filesize
1024KB

Download
memory/2568-15-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2568-17-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads