privateloader | aac9a5332ba9a713cc28127daee26de3f717931450e28e1e380ae737fcdd0078

General

Target

1727289740.5171468_Install.exe
Size

459.7MB
MD5

c72c455d9d23f624151c6314fa5ab6df
SHA1

562868d89a7033995c1ce3a0e4873a1e0c17a3c3
SHA256

aac9a5332ba9a713cc28127daee26de3f717931450e28e1e380ae737fcdd0078
SHA512

fda9af5b9dbe324d5d0436dcd3161317a33a48c951f7f3788e45aa916b9fa02784241e3f53561b34f3c16850f731eddcf443e23be7f4b942f1de856b922220a2
SSDEEP

98304:Vf7Bb7y7nGkZyOF9E4x92DbOel65B5puXPDOiiCAEDfr7ZP1Zx0hyD:97t+rrZyIeT65BXoCi173ZPvxh

Score

10^/10

privateloader discovery evasion loader main themida trojan

Malware Config

Extracted

Family

privateloader

C2

http://91.241.19.125/pub.php?pub=one

http://sarfoods.com/index.php

208.67.104.60

Attributes

payload_url
https://cdn.discordapp.com/attachments/910842184708792331/931507465563045909/dingo_20220114120058.bmp

https://c.xyzgamec.com/userdown/2202/random.exe

http://193.56.146.76/Proxytest.exe

http://www.yzsyjyjh.com/askhelp23/askinstall23.exe

http://privacy-tools-for-you-780.com/downloads/toolspab3.exe

http://luminati-china.xyz/aman/casper2.exe

https://innovicservice.net/assets/vendor/counterup/RobCleanerInstlr95038215.exe

http://tg8.cllgxx.com/hp8/g1/yrpp1047.exe

https://cdn.discordapp.com/attachments/910842184708792331/930849718240698368/Roll.bmp

https://cdn.discordapp.com/attachments/910842184708792331/930850766787330068/real1201.bmp

https://cdn.discordapp.com/attachments/910842184708792331/930882959131693096/Installer.bmp

http://185.215.113.208/ferrari.exe

https://cdn.discordapp.com/attachments/910842184708792331/931233371110141962/LingeringsAntiphon.bmp

https://cdn.discordapp.com/attachments/910842184708792331/931285223709225071/russ.bmp

https://cdn.discordapp.com/attachments/910842184708792331/932720393201016842/filinnn.bmp

https://cdn.discordapp.com/attachments/910842184708792331/933436611427979305/build20k.bmp

https://c.xyzgamec.com/userdown/2202/random.exe

http://mnbuiy.pw/adsli/note8876.exe

http://www.yzsyjyjh.com/askhelp23/askinstall23.exe

http://luminati-china.xyz/aman/casper2.exe

https://suprimax.vet.br/css/fonts/OneCleanerInst942914.exe

http://tg8.cllgxx.com/hp8/g1/ssaa1047.exe

https://www.deezloader.app/files/Deezloader_Remix_Installer_64_bit_4.3.0_Setup.exe

https://www.deezloader.app/files/Deezloader_Remix_Installer_32_bit_4.3.0_Setup.exe

https://cdn.discordapp.com/attachments/910281601559167006/911516400005296219/anyname.exe

https://cdn.discordapp.com/attachments/910281601559167006/911516894660530226/PBsecond.exe

https://cdn.discordapp.com/attachments/910842184708792331/914047763304550410/Xpadder.bmp

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1727289740.5171468_Install.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1727289740.5171468_Install.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1727289740.5171468_Install.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/2100-5-0x0000000000A90000-0x00000000016AA000-memory.dmp	themida
behavioral2/memory/2100-23-0x0000000000A90000-0x00000000016AA000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1727289740.5171468_Install.exe

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ipinfo.io
1	api.db-ip.com
5	ipinfo.io
7	api.db-ip.com

Drops file in System32 directory 4 IoCs

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2100	1727289740.5171468_Install.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 3280	2100	1727289740.5171468_Install.exe	80

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	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3280	InstallUtil.exe
3280	InstallUtil.exe
3280	InstallUtil.exe
3280	InstallUtil.exe
3280	InstallUtil.exe
3280	InstallUtil.exe
3280	InstallUtil.exe
3280	InstallUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80
PID 2100 wrote to memory of 3280	2100	1727289740.5171468_Install.exe	80

C:\Users\Admin\AppData\Local\Temp\1727289740.5171468_Install.exe
"C:\Users\Admin\AppData\Local\Temp\1727289740.5171468_Install.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
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3280

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4700

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2100-8-0x00007FF925E3A000-0x00007FF925E3B000-memory.dmp

Filesize
4KB

Download
memory/2100-23-0x0000000000A90000-0x00000000016AA000-memory.dmp

Filesize
12.1MB

Download
memory/2100-2-0x00007FF925E20000-0x00007FF925EDD000-memory.dmp

Filesize
756KB

Download
memory/2100-5-0x0000000000A90000-0x00000000016AA000-memory.dmp

Filesize
12.1MB

Download
memory/2100-6-0x000001B83FCE0000-0x000001B83FF8E000-memory.dmp

Filesize
2.7MB

Download
memory/2100-7-0x0000000000A90000-0x00000000016AA000-memory.dmp

Filesize
12.1MB

Download
memory/2100-0-0x0000000000A90000-0x00000000016AA000-memory.dmp

Filesize
12.1MB

Download
memory/2100-9-0x00007FF925E20000-0x00007FF925EDD000-memory.dmp

Filesize
756KB

Download
memory/2100-1-0x00007FF925E3A000-0x00007FF925E3B000-memory.dmp

Filesize
4KB

Download
memory/2100-24-0x00007FF925E20000-0x00007FF925EDD000-memory.dmp

Filesize
756KB

Download
memory/3280-12-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/3280-15-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/3280-14-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/3280-13-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/3280-37-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads