privateloader | 649c75d99b6d8e237d8a8d0142796fcbfa7381674628201f474b58039144ec2a

Resubmissions

15-11-2024 18:05

241115-wpjcdsxrdy 10

11-11-2024 21:40

241111-1h6xbsxcql 10

03-12-2022 17:54

221203-wg4ncscc33 10

Analysis

max time kernel
1798s
max time network
1804s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
15-11-2024 18:05

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Report Analysis Logs

General

Target

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
Size

4.8MB
MD5

854d5dfe2d5193aa4150765c123df8ad
SHA1

1b21d80c4beb90b03d795cf11145619aeb3a4f37
SHA256

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45
SHA512

48ed604ea966a35cc16631ce5da692bb236badafdb6d3d01ef3a27ab5a9c1ea6a19d6e8209c894ab292614cfbd355c2ca96401fd4dbb9a3abbfd886cddae77cc
SSDEEP

98304:GiIOIQKetb5uDv/tFAOoLKSIc5EP61wNYZiu7JfQmEM9:rIbCEA1EP614g9fQm59

Score

10^/10

privateloader discovery evasion loader trojan

Malware Config

Extracted

Family

privateloader

208.67.104.60

Signatures

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
Privateloader family
privateloader
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

pid process

2424 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

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

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

pid	process
2424	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
2424	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
2424	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
2424	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
2424	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
2424	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

C:\Users\Admin\AppData\Local\Temp\85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
"C:\Users\Admin\AppData\Local\Temp\85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2424-0-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/2424-1-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/2424-3-0x00000000007C3000-0x0000000000A12000-memory.dmp

Filesize
2.3MB

Download
memory/2424-4-0x0000000000E50000-0x0000000000E51000-memory.dmp

Filesize
4KB

Download
memory/2424-5-0x0000000002B10000-0x0000000002B11000-memory.dmp

Filesize
4KB

Download
memory/2424-6-0x0000000002B40000-0x0000000002B41000-memory.dmp

Filesize
4KB

Download
memory/2424-7-0x0000000002B50000-0x0000000002B51000-memory.dmp

Filesize
4KB

Download
memory/2424-9-0x0000000002B70000-0x0000000002B71000-memory.dmp

Filesize
4KB

Download
memory/2424-8-0x0000000002B60000-0x0000000002B61000-memory.dmp

Filesize
4KB

Download
memory/2424-10-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/2424-11-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/2424-12-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/2424-13-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/2424-14-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/2424-15-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/2424-16-0x00000000007C3000-0x0000000000A12000-memory.dmp

Filesize
2.3MB

Download