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
708	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 2 IoCs

pid	Process
708	powershell.exe
708	powershell.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4016	Silviozas Premium Proxy.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	708	powershell.exe
Token: SeDebugPrivilege	4016	Silviozas Premium Proxy.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 2996	4016	Silviozas Premium Proxy.exe	85
PID 4016 wrote to memory of 2996	4016	Silviozas Premium Proxy.exe	85
PID 4016 wrote to memory of 4132	4016	Silviozas Premium Proxy.exe	86
PID 4016 wrote to memory of 4132	4016	Silviozas Premium Proxy.exe	86
PID 4132 wrote to memory of 708	4132	cmd.exe	87
PID 4132 wrote to memory of 708	4132	cmd.exe	87
PID 4016 wrote to memory of 3120	4016	Silviozas Premium Proxy.exe	91
PID 4016 wrote to memory of 3120	4016	Silviozas Premium Proxy.exe	91
PID 4016 wrote to memory of 3116	4016	Silviozas Premium Proxy.exe	92
PID 4016 wrote to memory of 3116	4016	Silviozas Premium Proxy.exe	92
PID 3116 wrote to memory of 1216	3116	cmd.exe	93
PID 3116 wrote to memory of 1216	3116	cmd.exe	93
PID 3116 wrote to memory of 856	3116	cmd.exe	94
PID 3116 wrote to memory of 856	3116	cmd.exe	94
PID 3116 wrote to memory of 2420	3116	cmd.exe	95
PID 3116 wrote to memory of 2420	3116	cmd.exe	95

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:4016
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color 0A
  2⤵
  PID:2996
- 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:4132
- - 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:708
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color 0A
  2⤵
  PID:3120
- 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:3116
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Silviozas Premium Proxy.exe" MD5
    3⤵
    PID:1216
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:856
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:2420

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jiykbpr3.yta.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/708-17-0x00007FFD7FE30000-0x00007FFD808F1000-memory.dmp

Filesize
10.8MB

Download
memory/708-3-0x000001F6F4860000-0x000001F6F4882000-memory.dmp

Filesize
136KB

Download
memory/708-2-0x00007FFD7FE33000-0x00007FFD7FE35000-memory.dmp

Filesize
8KB

Download
memory/708-13-0x00007FFD7FE30000-0x00007FFD808F1000-memory.dmp

Filesize
10.8MB

Download
memory/708-14-0x00007FFD7FE30000-0x00007FFD808F1000-memory.dmp

Filesize
10.8MB

Download
memory/4016-0-0x00007FF692140000-0x00007FF6929EF000-memory.dmp

Filesize
8.7MB

Download
memory/4016-19-0x00007FF692140000-0x00007FF6929EF000-memory.dmp

Filesize
8.7MB

Download
memory/4016-20-0x00007FF692140000-0x00007FF6929EF000-memory.dmp

Filesize
8.7MB

Download
memory/4016-21-0x00007FF692140000-0x00007FF6929EF000-memory.dmp

Filesize
8.7MB

Download
memory/4016-23-0x00007FF692140000-0x00007FF6929EF000-memory.dmp

Filesize
8.7MB

Download
memory/4016-27-0x00007FF692140000-0x00007FF6929EF000-memory.dmp

Filesize
8.7MB

Download
memory/4016-33-0x00007FF692140000-0x00007FF6929EF000-memory.dmp

Filesize
8.7MB

Download

Analysis

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