privateloader | 649c75d99b6d8e237d8a8d0142796fcbfa7381674628201f474b58039144ec2a

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 15:23

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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

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
1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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.exeschtasks.exeschtasks.exe

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

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exe

pid	Process
2708	schtasks.exe
2596	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

pid	Process
1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	pid	Process	procid_target
PID 1184 wrote to memory of 2708	1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	31
PID 1184 wrote to memory of 2708	1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	31
PID 1184 wrote to memory of 2708	1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	31
PID 1184 wrote to memory of 2708	1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	31
PID 1184 wrote to memory of 2596	1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	33
PID 1184 wrote to memory of 2596	1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	33
PID 1184 wrote to memory of 2596	1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	33
PID 1184 wrote to memory of 2596	1184	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	33

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
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe" /tn "PowerControl HR" /sc HOURLY /rl HIGHEST
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2708
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe" /tn "PowerControl LG" /sc ONLOGON /rl HIGHEST
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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/1184-0-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-1-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-33-0x00000000007C3000-0x0000000000A12000-memory.dmp

Filesize
2.3MB

Download
memory/1184-32-0x0000000001000000-0x0000000001001000-memory.dmp

Filesize
4KB

Download
memory/1184-30-0x0000000001000000-0x0000000001001000-memory.dmp

Filesize
4KB

Download
memory/1184-27-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/1184-34-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-25-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/1184-22-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/1184-20-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/1184-17-0x0000000000E50000-0x0000000000E51000-memory.dmp

Filesize
4KB

Download
memory/1184-15-0x0000000000E50000-0x0000000000E51000-memory.dmp

Filesize
4KB

Download
memory/1184-12-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1184-10-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1184-8-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1184-7-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1184-5-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1184-3-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1184-35-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-37-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-36-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-38-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-39-0x00000000007C3000-0x0000000000A12000-memory.dmp

Filesize
2.3MB

Download
memory/1184-40-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-42-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-45-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/1184-46-0x00000000007C3000-0x0000000000A12000-memory.dmp

Filesize
2.3MB

Download