3d9328ba22e7afde5ac34165c07dabf1f7d2c9ea2df2c80393248609b3842313

General

Target

Silviozas Premium Proxy.exe
Size

2.0MB
MD5

17c11665b8f2dfb8156b89a06b445802
SHA1

7e78b2c59f3bdb7f625aaf57d1b6d383a85fff1b
SHA256

3d9328ba22e7afde5ac34165c07dabf1f7d2c9ea2df2c80393248609b3842313
SHA512

89200ad7063db0ba7b677d2034bcefc9143acd8da0c8759a5400a7c08a60034014e8a2b10637edc1b73c79ce8f98c00978dc491b59dbc79d66cd04e7bd55e236
SSDEEP

49152:bYF2c018Cl7NzHXFcBuXIw89MFYHy2pHiin1rk6NMKr:bYF2cArNFU8IwFFYHy2pCit/Nxr

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2044	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	Silviozas Premium Proxy.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2044	powershell.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1708	Silviozas Premium Proxy.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	powershell.exe
Token: SeDebugPrivilege	1708	Silviozas Premium Proxy.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1044	1708	Silviozas Premium Proxy.exe	31
PID 1708 wrote to memory of 1044	1708	Silviozas Premium Proxy.exe	31
PID 1708 wrote to memory of 1044	1708	Silviozas Premium Proxy.exe	31
PID 1708 wrote to memory of 1352	1708	Silviozas Premium Proxy.exe	32
PID 1708 wrote to memory of 1352	1708	Silviozas Premium Proxy.exe	32
PID 1708 wrote to memory of 1352	1708	Silviozas Premium Proxy.exe	32
PID 1352 wrote to memory of 2044	1352	cmd.exe	33
PID 1352 wrote to memory of 2044	1352	cmd.exe	33
PID 1352 wrote to memory of 2044	1352	cmd.exe	33
PID 1708 wrote to memory of 2248	1708	Silviozas Premium Proxy.exe	34
PID 1708 wrote to memory of 2248	1708	Silviozas Premium Proxy.exe	34
PID 1708 wrote to memory of 2248	1708	Silviozas Premium Proxy.exe	34
PID 1708 wrote to memory of 2652	1708	Silviozas Premium Proxy.exe	35
PID 1708 wrote to memory of 2652	1708	Silviozas Premium Proxy.exe	35
PID 1708 wrote to memory of 2652	1708	Silviozas Premium Proxy.exe	35
PID 2652 wrote to memory of 2716	2652	cmd.exe	36
PID 2652 wrote to memory of 2716	2652	cmd.exe	36
PID 2652 wrote to memory of 2716	2652	cmd.exe	36
PID 2652 wrote to memory of 2732	2652	cmd.exe	37
PID 2652 wrote to memory of 2732	2652	cmd.exe	37
PID 2652 wrote to memory of 2732	2652	cmd.exe	37
PID 2652 wrote to memory of 2756	2652	cmd.exe	38
PID 2652 wrote to memory of 2756	2652	cmd.exe	38
PID 2652 wrote to memory of 2756	2652	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\Silviozas Premium Proxy.exe
"C:\Users\Admin\AppData\Local\Temp\Silviozas Premium Proxy.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color 0A
  2⤵
  PID:1044
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c powershell "Add-MpPreference -ExclusionPath 'C:\Users\Public\Proxy_Stuff\Silviozas Premium Proxy.exe'"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell "Add-MpPreference -ExclusionPath 'C:\Users\Public\Proxy_Stuff\Silviozas Premium Proxy.exe'"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2044
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color 0A
  2⤵
  PID:2248
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Silviozas Premium Proxy.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Silviozas Premium Proxy.exe" MD5
    3⤵
    PID:2716
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:2732
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1708-17-0x000000013F190000-0x000000013FA3F000-memory.dmp

Filesize
8.7MB

Download
memory/1708-2-0x00000000023A0000-0x00000000023B0000-memory.dmp

Filesize
64KB

Download
memory/1708-25-0x000000013F190000-0x000000013FA3F000-memory.dmp

Filesize
8.7MB

Download
memory/1708-22-0x000000013F190000-0x000000013FA3F000-memory.dmp

Filesize
8.7MB

Download
memory/1708-0-0x000000013F190000-0x000000013FA3F000-memory.dmp

Filesize
8.7MB

Download
memory/1708-20-0x000000013F190000-0x000000013FA3F000-memory.dmp

Filesize
8.7MB

Download
memory/1708-19-0x000000013F190000-0x000000013FA3F000-memory.dmp

Filesize
8.7MB

Download
memory/1708-18-0x000000013F190000-0x000000013FA3F000-memory.dmp

Filesize
8.7MB

Download
memory/2044-9-0x0000000002910000-0x0000000002918000-memory.dmp

Filesize
32KB

Download
memory/2044-12-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2044-15-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2044-11-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2044-13-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2044-14-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2044-10-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2044-8-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

Filesize
2.9MB

Download
memory/2044-7-0x000007FEF58EE000-0x000007FEF58EF000-memory.dmp

Filesize
4KB

Download

Analysis

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