privateloader | c089ce71477ac4b8f6875ee49c6532b275d92b210998c683e37eb1a98089a052

General

Target

044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe
Size

4.0MB
MD5

3134fa9cea6fd7071133d85a5fb4f04e
SHA1

bc8428fa442bc143aaa444e98dae698f440abc3e
SHA256

044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9
SHA512

e0d7e8f40bae193d484ef67342280c10c3223af3ebae7ae8285535435871e145e5a57c3e04944eb7d6df9688e7273e15066cb6748d26fd1015f4f820ae162be8
SSDEEP

98304:706FB3Lep0AUPnz1GWObOOdbvUcPIPaatXQK2ApRE9Zea:7FL3Lk0AUPpGVbdbcyEtXWAzE9ka

Score

10^/10

privateloader 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__	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.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	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1376-134-0x0000000000A50000-0x0000000001612000-memory.dmp	themida
behavioral2/memory/1376-143-0x0000000000A50000-0x0000000001612000-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	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.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.

flow	ioc
60	ipinfo.io
61	ipinfo.io

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
1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1376 set thread context of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3796	InstallUtil.exe
3796	InstallUtil.exe
3796	InstallUtil.exe
3796	InstallUtil.exe
3796	InstallUtil.exe
3796	InstallUtil.exe
3796	InstallUtil.exe
3796	InstallUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87
PID 1376 wrote to memory of 3796	1376	044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe	87

C:\Users\Admin\AppData\Local\Temp\044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe
"C:\Users\Admin\AppData\Local\Temp\044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.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:1376
- 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
  - Suspicious behavior: EnumeratesProcesses
  PID:3796

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1464

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1484

Network

MITRE ATT&CK Enterprise v6

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

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1376-144-0x00007FFA252F0000-0x00007FFA254E5000-memory.dmp

Filesize
2.0MB

Download
memory/1376-143-0x0000000000A50000-0x0000000001612000-memory.dmp

Filesize
11.8MB

Download
memory/1376-135-0x00007FFA252F0000-0x00007FFA254E5000-memory.dmp

Filesize
2.0MB

Download
memory/1376-136-0x00007FFA07300000-0x00007FFA07DC1000-memory.dmp

Filesize
10.8MB

Download
memory/1376-137-0x0000000000A50000-0x0000000001612000-memory.dmp

Filesize
11.8MB

Download
memory/1376-138-0x00007FFA252F0000-0x00007FFA254E5000-memory.dmp

Filesize
2.0MB

Download
memory/1376-134-0x0000000000A50000-0x0000000001612000-memory.dmp

Filesize
11.8MB

Download
memory/1376-146-0x00007FFA07300000-0x00007FFA07DC1000-memory.dmp

Filesize
10.8MB

Download
memory/1376-132-0x0000000000A50000-0x0000000001612000-memory.dmp

Filesize
11.8MB

Download
memory/1376-139-0x00007FFA07300000-0x00007FFA07DC1000-memory.dmp

Filesize
10.8MB

Download
memory/3796-140-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/3796-145-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/3796-142-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/3796-147-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/3796-148-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads