tofsee | d0eff54fcc3e55633eaf0b74e3e757cd17ac81abe8015cca3496b3f10f9a45d5

Analysis

max time kernel
3s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 04:51

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General

Target

0f17b0d4320240b6109bc8a25f505e09.exe
Size

13.0MB
MD5

0f17b0d4320240b6109bc8a25f505e09
SHA1

995e221404656216ce3ff4cd17f82b4b5bdd8c2c
SHA256

d0eff54fcc3e55633eaf0b74e3e757cd17ac81abe8015cca3496b3f10f9a45d5
SHA512

eeca32f1953961d360233613e10818c5398b36e57e888175099b005af646f00a3a82f8fb134690d1b1059ff5ec4fb5bd9ed21a692d68fbbc721b8ba35d74509a
SSDEEP

24576:gT8rgnPp+RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRB:Qp+

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
2800	netsh.exe

Launches sc.exe 3 IoCs

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

pid	Process
4776	sc.exe
1820	sc.exe
4292	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\0f17b0d4320240b6109bc8a25f505e09.exe
"C:\Users\Admin\AppData\Local\Temp\0f17b0d4320240b6109bc8a25f505e09.exe"
1⤵
PID:2152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\orxvirwi\
  2⤵
  PID:2212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vbmxpeyk.exe" C:\Windows\SysWOW64\orxvirwi\
  2⤵
  PID:4716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create orxvirwi binPath= "C:\Windows\SysWOW64\orxvirwi\vbmxpeyk.exe /d\"C:\Users\Admin\AppData\Local\Temp\0f17b0d4320240b6109bc8a25f505e09.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:1820
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description orxvirwi "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:4292
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start orxvirwi
  2⤵
  - Launches sc.exe
  PID:4776
- 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:2800

C:\Windows\SysWOW64\orxvirwi\vbmxpeyk.exe
C:\Windows\SysWOW64\orxvirwi\vbmxpeyk.exe /d"C:\Users\Admin\AppData\Local\Temp\0f17b0d4320240b6109bc8a25f505e09.exe"
1⤵
PID:4788
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4792

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\vbmxpeyk.exe

Filesize
386KB

MD5
50792ad35b827262a5c379f8472823cd

SHA1
b4be50e430b7afa7ec019479bbc6bb0d854d37fc

SHA256
5d43d53a3e9233a89dbf9ee1bf48f560d1a3430a80ff764b9d98844a9dad54c0

SHA512
d6cd27174db723cb546c8b1970f976c087385822a78b1a377c8af32afc83a0b41c401b105bb929774bc7564184b5181590b14a8af3e94cc0366c2e090fd43e01

Download Submit
memory/2152-1-0x0000000000AB0000-0x0000000000BB0000-memory.dmp

Filesize
1024KB

Download
memory/2152-4-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2152-7-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2152-8-0x0000000000A90000-0x0000000000AA3000-memory.dmp

Filesize
76KB

Download
memory/2152-2-0x0000000000A90000-0x0000000000AA3000-memory.dmp

Filesize
76KB

Download
memory/4788-14-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/4788-13-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/4788-10-0x00000000009B0000-0x0000000000AB0000-memory.dmp

Filesize
1024KB

Download
memory/4792-11-0x0000000000F60000-0x0000000000F75000-memory.dmp

Filesize
84KB

Download
memory/4792-18-0x0000000000F60000-0x0000000000F75000-memory.dmp

Filesize
84KB

Download
memory/4792-17-0x0000000000F60000-0x0000000000F75000-memory.dmp

Filesize
84KB

Download
memory/4792-19-0x0000000000F60000-0x0000000000F75000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads