privateloader | 734c33099ecde593fb98847424b2dace1e10f72915051a1480bc9ae7b784f847

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 12:08

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General

Target
Install.exe
Size 699.0MB
Sample240810-payefaydkj
SHA256 deeaa910607a41d28f983768a311288c637fd7cbae181eb947ca32e65c63801f
MD5 1ecbbd576fea7dff8bfa1b00e0105f7d
SHA1 96b71e1f2162d8ab4eb064ca7d05a5b9e586a35c
SHA512 8dfbffbfc9972c5f2e5577aeab2d575a8830126bedd4e1ef261f73f1320f4f20731321e24b02d71054a655b27050c2fd5c95747663de5cd2f86caa680389efc4
SSDEEP 98304:3QXPiboO6zcDPc3d1ZOrJfn30eeMjvhCKqlbeY5S+cP:3eibx+cDU3d1EmTqvhHybeYc+i
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

privateloader discovery loader vmprotect

Malware Config

Signatures

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/4968-0-0x0000000000DC0000-0x0000000002014000-memory.dmp	vmprotect

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	Install.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	Install.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	Install.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	Install.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3840	4968	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Install.exe

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:4968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 872
  2⤵
  - Program crash
  PID:3840

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:760

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4968 -ip 4968
1⤵
PID:4764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4968-0-0x0000000000DC0000-0x0000000002014000-memory.dmp

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