tofsee | 3f3c63071ab9751ad62d9ebe72017d51a5bb99aac712fb291aa1bcbd6b10d62f

Analysis

max time kernel
40s
max time network
159s
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, 13:17

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General

Target

19b941ca46e34d47ec52dc3248c1cfb4.exe
Size

12.8MB
MD5

19b941ca46e34d47ec52dc3248c1cfb4
SHA1

5f50bf90cf8cbaeb31db2258b6ee869bba723462
SHA256

3f3c63071ab9751ad62d9ebe72017d51a5bb99aac712fb291aa1bcbd6b10d62f
SHA512

4e15d47c7ca273606bf0a57a4442ca96b6149cc765dab98da0b6757736cca97e50fa1e6a7e1a58a89dbed471ceafc3597a5339bc9bb764cc53ef37ad89d79e9a
SSDEEP

49152:gj5555555555555555555555555555555555555555555555555555555555555b:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

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
4228	netsh.exe

Launches sc.exe 3 IoCs

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

pid	Process
4388	sc.exe
4608	sc.exe
4828	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\19b941ca46e34d47ec52dc3248c1cfb4.exe
"C:\Users\Admin\AppData\Local\Temp\19b941ca46e34d47ec52dc3248c1cfb4.exe"
1⤵
PID:4428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\djnogfnq\
  2⤵
  PID:800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gacztpze.exe" C:\Windows\SysWOW64\djnogfnq\
  2⤵
  PID:4972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create djnogfnq binPath= "C:\Windows\SysWOW64\djnogfnq\gacztpze.exe /d\"C:\Users\Admin\AppData\Local\Temp\19b941ca46e34d47ec52dc3248c1cfb4.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:4608
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description djnogfnq "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:4828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start djnogfnq
  2⤵
  - Launches sc.exe
  PID:4388
- 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:4228

C:\Windows\SysWOW64\djnogfnq\gacztpze.exe
C:\Windows\SysWOW64\djnogfnq\gacztpze.exe /d"C:\Users\Admin\AppData\Local\Temp\19b941ca46e34d47ec52dc3248c1cfb4.exe"
1⤵
PID:2056
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4088

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/2056-11-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2056-18-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4088-20-0x0000000000DE0000-0x0000000000DF5000-memory.dmp

Filesize
84KB

Download
memory/4088-19-0x0000000000DE0000-0x0000000000DF5000-memory.dmp

Filesize
84KB

Download
memory/4088-15-0x0000000000DE0000-0x0000000000DF5000-memory.dmp

Filesize
84KB

Download
memory/4088-21-0x0000000000DE0000-0x0000000000DF5000-memory.dmp

Filesize
84KB

Download
memory/4428-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/4428-5-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4428-8-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/4428-2-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4428-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4428-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4428-3-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads