tofsee | ed12839b6d59af224c0160bb7431a252658952672b23436f0da75343ad30d9bb

Analysis

max time kernel
1s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 05:13

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General

Target

570cb3c8f1b4128dccabb856d58cce88.exe
Size

13.7MB
MD5

570cb3c8f1b4128dccabb856d58cce88
SHA1

13a367d5217658076dea133c23f77b38d72c7e7a
SHA256

ed12839b6d59af224c0160bb7431a252658952672b23436f0da75343ad30d9bb
SHA512

5ceb0ab5dda28c22dca372a537270ad386e52a7ffefba94f508141641e6c0abd73e45dd5387b1640de2575d6c11fa808cfcca2d27ae93cae75065e265fafde1d
SSDEEP

24576:kjDuKnh7YzbKBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBX:knh

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
4528	netsh.exe

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4264	sc.exe
3404	sc.exe
4104	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\570cb3c8f1b4128dccabb856d58cce88.exe
"C:\Users\Admin\AppData\Local\Temp\570cb3c8f1b4128dccabb856d58cce88.exe"
1⤵
PID:3584
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tsezhles\
  2⤵
  PID:868
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bbytwnew.exe" C:\Windows\SysWOW64\tsezhles\
  2⤵
  PID:3612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tsezhles binPath= "C:\Windows\SysWOW64\tsezhles\bbytwnew.exe /d\"C:\Users\Admin\AppData\Local\Temp\570cb3c8f1b4128dccabb856d58cce88.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:4264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tsezhles "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:3404
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tsezhles
  2⤵
  - Launches sc.exe
  PID:4104
- 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:4528

C:\Windows\SysWOW64\tsezhles\bbytwnew.exe
C:\Windows\SysWOW64\tsezhles\bbytwnew.exe /d"C:\Users\Admin\AppData\Local\Temp\570cb3c8f1b4128dccabb856d58cce88.exe"
1⤵
PID:2360
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2360-10-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/2360-8-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/2360-12-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3584-15-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3584-1-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download
memory/3584-3-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3584-2-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/3584-23-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download
memory/4780-14-0x0000000000430000-0x0000000000445000-memory.dmp

Filesize
84KB

Download
memory/4780-9-0x0000000000430000-0x0000000000445000-memory.dmp

Filesize
84KB

Download
memory/4780-16-0x0000000000430000-0x0000000000445000-memory.dmp

Filesize
84KB

Download
memory/4780-17-0x0000000000430000-0x0000000000445000-memory.dmp

Filesize
84KB

Download
memory/4780-25-0x0000000000430000-0x0000000000445000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads