privateloader | 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45

General

Target

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
Size

4.8MB
MD5

854d5dfe2d5193aa4150765c123df8ad
SHA1

1b21d80c4beb90b03d795cf11145619aeb3a4f37
SHA256

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45
SHA512

48ed604ea966a35cc16631ce5da692bb236badafdb6d3d01ef3a27ab5a9c1ea6a19d6e8209c894ab292614cfbd355c2ca96401fd4dbb9a3abbfd886cddae77cc
SSDEEP

98304:GiIOIQKetb5uDv/tFAOoLKSIc5EP61wNYZiu7JfQmEM9:rIbCEA1EP614g9fQm59

Score

10^/10

privateloader evasion loader trojan

Malware Config

Extracted

Family

privateloader

C2

208.67.104.60

Signatures

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

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

25 ipinfo.io
26 ipinfo.io
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

pid process

4352 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

flow	ioc
25	ipinfo.io
26	ipinfo.io

Drops file in Program Files directory 2 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	ioc	process
File created	C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
File opened for modification	C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1736 schtasks.exe
3408 schtasks.exe

pid	process
1736	schtasks.exe
3408	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

pid	process
4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	pid	process	target process
PID 4352 wrote to memory of 3408	4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 4352 wrote to memory of 3408	4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 4352 wrote to memory of 3408	4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 4352 wrote to memory of 1736	4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 4352 wrote to memory of 1736	4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 4352 wrote to memory of 1736	4352	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.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
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4352

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⤵
- Creates scheduled task(s)
PID:3408

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⤵
- Creates scheduled task(s)
PID:1736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1736-144-0x0000000000000000-mapping.dmp

Download
memory/3408-143-0x0000000000000000-mapping.dmp

Download
memory/4352-137-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/4352-132-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/4352-138-0x0000000077C10000-0x0000000077DB3000-memory.dmp

Filesize
1.6MB

Download
memory/4352-139-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/4352-140-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/4352-141-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/4352-142-0x0000000077C10000-0x0000000077DB3000-memory.dmp

Filesize
1.6MB

Download
memory/4352-136-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/4352-135-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/4352-145-0x0000000000400000-0x0000000000CAD000-memory.dmp

Filesize
8.7MB

Download
memory/4352-146-0x0000000077C10000-0x0000000077DB3000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads