tofsee | d654d69144fc6ec2500c227daf77a0ed09424082093ad47571e4cf83739068dd

General

Target

f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe
Size

11.4MB
MD5

f2210787bb2598f8739155f21507eb79
SHA1

a3113938de29f92261e0591cbf8a570c284ec863
SHA256

d654d69144fc6ec2500c227daf77a0ed09424082093ad47571e4cf83739068dd
SHA512

94302dadf31c5011ed5f728d88343f0ac5695a6cb257e4673ce982b516b292b81e0466f2aae207cb7f155594a0c7a0887ee7de00d4bdcf1a004c230b3be4470f
SSDEEP

12288:hIIW7A7qL8SHSIiwN/iZBqAsArTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT7:OA7qLNNf

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\zduoloar = "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

2424 netsh.exe

pid	process
2424	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\zduoloar\ImagePath = "C:\\Windows\\SysWOW64\\zduoloar\\upeotyqo.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2360 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

upeotyqo.exe

pid process

2312 upeotyqo.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

upeotyqo.exe

description pid process target process

PID 2312 set thread context of 2360 2312 upeotyqo.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

3032 sc.exe
2516 sc.exe
2052 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2360	svchost.exe

pid	process
2312	upeotyqo.exe

description	pid	process	target process
PID 2312 set thread context of 2360	2312	upeotyqo.exe	svchost.exe

pid	process
3032	sc.exe
2516	sc.exe
2052	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f2210787bb2598f8739155f21507eb79_JaffaCakes118.exeupeotyqo.exe

description	pid	process	target process
PID 928 wrote to memory of 2204	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	cmd.exe
PID 928 wrote to memory of 2204	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	cmd.exe
PID 928 wrote to memory of 2204	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	cmd.exe
PID 928 wrote to memory of 2204	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	cmd.exe
PID 928 wrote to memory of 2388	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	cmd.exe
PID 928 wrote to memory of 2388	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	cmd.exe
PID 928 wrote to memory of 2388	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	cmd.exe
PID 928 wrote to memory of 2388	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	cmd.exe
PID 928 wrote to memory of 3032	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 3032	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 3032	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 3032	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 2516	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 2516	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 2516	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 2516	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 2052	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 2052	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 2052	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 2052	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	sc.exe
PID 928 wrote to memory of 2424	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	netsh.exe
PID 928 wrote to memory of 2424	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	netsh.exe
PID 928 wrote to memory of 2424	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	netsh.exe
PID 928 wrote to memory of 2424	928	f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe	netsh.exe
PID 2312 wrote to memory of 2360	2312	upeotyqo.exe	svchost.exe
PID 2312 wrote to memory of 2360	2312	upeotyqo.exe	svchost.exe
PID 2312 wrote to memory of 2360	2312	upeotyqo.exe	svchost.exe
PID 2312 wrote to memory of 2360	2312	upeotyqo.exe	svchost.exe
PID 2312 wrote to memory of 2360	2312	upeotyqo.exe	svchost.exe
PID 2312 wrote to memory of 2360	2312	upeotyqo.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:928

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zduoloar\
2⤵
PID:2204

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\upeotyqo.exe" C:\Windows\SysWOW64\zduoloar\
2⤵
PID:2388

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create zduoloar binPath= "C:\Windows\SysWOW64\zduoloar\upeotyqo.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:3032

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description zduoloar "wifi internet conection"
2⤵
- Launches sc.exe
PID:2516

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start zduoloar
2⤵
- Launches sc.exe
PID:2052

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:2424

C:\Windows\SysWOW64\zduoloar\upeotyqo.exe
C:\Windows\SysWOW64\zduoloar\upeotyqo.exe /d"C:\Users\Admin\AppData\Local\Temp\f2210787bb2598f8739155f21507eb79_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2312

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2360

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\upeotyqo.exe

Filesize
14.1MB

MD5
4869fd22abe1fa9e7bcc8ecabeea0d10

SHA1
8517b9afde70199c6faa27f6c7a95a08a73075d5

SHA256
36b79ecacdc66a7dd1a1e8cfd8f6d81209ea23758f6c2c9fca776be56f7f6bab

SHA512
cd3bd89c76e92235f54bfb97fbfd59703f9057ca83b1d5cfe91919d89b19db75f99fcd57ccc86b4f18826683c1a5bfc36884b6fbe3afef43353df48310148d87

Download Submit
memory/928-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/928-3-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/928-8-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/928-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/928-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2312-17-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2312-10-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2312-11-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2360-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2360-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2360-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2360-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2360-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2360-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2360-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads