tofsee | c0aef11456b3d92db24df5b4c900cc4f7c522c65d208f165712b49922fb66284

Analysis

max time kernel
2s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 06:14

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General

Target

0ad95925dd1ce555bb2175b7aad2594d.exe
Size

13.4MB
MD5

0ad95925dd1ce555bb2175b7aad2594d
SHA1

a6d4de33bd65281641cccc280744ea7ab595a51f
SHA256

c0aef11456b3d92db24df5b4c900cc4f7c522c65d208f165712b49922fb66284
SHA512

27213fb2ad271c3408e059c64f6d12c25cbb8ae406fc00328a5b1c8c46891cc04d68ed1ce6a47bef89c156235fa6f2d9e63848ac82a346573e90614acec4a6cd
SSDEEP

49152:zHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

43.231.4.6

lazystax.ru

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
2580	netsh.exe

Launches sc.exe 3 IoCs

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

pid	Process
2100	sc.exe
2596	sc.exe
2656	sc.exe

C:\Users\Admin\AppData\Local\Temp\0ad95925dd1ce555bb2175b7aad2594d.exe
"C:\Users\Admin\AppData\Local\Temp\0ad95925dd1ce555bb2175b7aad2594d.exe"
1⤵
PID:952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gzybouf\
  2⤵
  PID:2988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mnpqknia.exe" C:\Windows\SysWOW64\gzybouf\
  2⤵
  PID:3052
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gzybouf binPath= "C:\Windows\SysWOW64\gzybouf\mnpqknia.exe /d\"C:\Users\Admin\AppData\Local\Temp\0ad95925dd1ce555bb2175b7aad2594d.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2100
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gzybouf "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2596
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gzybouf
  2⤵
  - Launches sc.exe
  PID:2656
- 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:2580

C:\Windows\SysWOW64\gzybouf\mnpqknia.exe
C:\Windows\SysWOW64\gzybouf\mnpqknia.exe /d"C:\Users\Admin\AppData\Local\Temp\0ad95925dd1ce555bb2175b7aad2594d.exe"
1⤵
PID:2956
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2496

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/952-3-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/952-4-0x0000000000400000-0x0000000000C19000-memory.dmp

Filesize
8.1MB

Download
memory/952-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/952-7-0x0000000000400000-0x0000000000C19000-memory.dmp

Filesize
8.1MB

Download
memory/952-8-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2496-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2496-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2956-17-0x0000000000400000-0x0000000000C19000-memory.dmp

Filesize
8.1MB

Download
memory/2956-12-0x0000000000400000-0x0000000000C19000-memory.dmp

Filesize
8.1MB

Download
memory/2956-10-0x0000000000DC0000-0x0000000000EC0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads