privateloader | 5a5a5ebdbcaac1a77e3b8aa6f439b37080c17076934930121601bb4e78b6dc8a

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2023, 09:25

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General

Target
file.exe
Size 5.5MB
Sample231010-ldl9sscd9x
SHA256 5a5a5ebdbcaac1a77e3b8aa6f439b37080c17076934930121601bb4e78b6dc8a
MD5 a4ae0ede0423659b0e0fa54bb7a72dff
SHA1 51621600acfd50cdfa029d4a71f60bd1d84f89a7
SHA512 72a4c4370446232dd32d94bbad581e2fde351e71bdce02ce13b1cb45fc0ad892f13de262b2901f0ea9b0ec1f3b3c1b6c5fcf8487396a2d855fa247c16cecd944
SSDEEP 49152:fpi8VPYwNW/Fg1mJyRXL68HID3higFPt+6wODn24bd/WbISiAtA7VN56k136hRh5:Qu9iDwanRp/Wb7I7fd6R/RYlNS3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

privateloader risepro collection loader stealer

Malware Config

Extracted

Family

risepro

194.169.175.128

Signatures

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
RisePro
RisePro stealer is an infostealer distributed by PrivateLoader.
stealer risepro

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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
16	ipinfo.io
17	ipinfo.io

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1876 set thread context of 4244	1876	file.exe	86
PID 1876 set thread context of 3916	1876	file.exe	88
PID 1876 set thread context of 3708	1876	file.exe	90

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3708	InstallUtil.exe
3708	InstallUtil.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4244	1876	file.exe	86
PID 1876 wrote to memory of 4848	1876	file.exe	87
PID 1876 wrote to memory of 4848	1876	file.exe	87
PID 1876 wrote to memory of 4848	1876	file.exe	87
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3916	1876	file.exe	88
PID 1876 wrote to memory of 3980	1876	file.exe	89
PID 1876 wrote to memory of 3980	1876	file.exe	89
PID 1876 wrote to memory of 3980	1876	file.exe	89
PID 1876 wrote to memory of 3708	1876	file.exe	90
PID 1876 wrote to memory of 3708	1876	file.exe	90
PID 1876 wrote to memory of 3708	1876	file.exe	90
PID 1876 wrote to memory of 3708	1876	file.exe	90
PID 1876 wrote to memory of 3708	1876	file.exe	90
PID 1876 wrote to memory of 3708	1876	file.exe	90
PID 1876 wrote to memory of 3708	1876	file.exe	90
PID 1876 wrote to memory of 3708	1876	file.exe	90
PID 1876 wrote to memory of 3708	1876	file.exe	90
PID 1876 wrote to memory of 3708	1876	file.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:4244
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:4848
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:3916
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:3980
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:3708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

rise1

Path C:\Users\Admin\AppData\Local\Temp\rise1
Size 13B
SHA256 130f39de6d49298782eb2e571c1b9711e1bf465e385d7ddce411af9fe5121b12
MD5 92247c6081006a70a7ac59bd1bca791c
SHA1 bba99364d6b50e76c78c86eb3e6f28af21beea48
SHA512 8ae30492e0eb8e8f30892adbb4459509de74f1443155d4d7fd717712490201d309d46687e1ae94fba2192a7a9fbf362ea90a454d622035c8fe0900f7e76f4bf1
MD5 SHA1 SHA512

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information.txt

Path C:\Users\Admin\AppData\Local\Temp\tempCMSgmSNUJ9_rCf7\information.txt
Size 3KB
SHA256 b41f034db6fd96cbc1baf9effece17d643f727243fac229fc35c2f7b7e5a7902
MD5 f03b7dd67ca0788ea067192ee1589d0c
SHA1 ad56c3f9ef01575c380dca8f7f9ed66fdd68105c
SHA512 4ea8a32157cfcf58adac118a438e08149d194e2b648b1939e7bf42fd26f064f321bb34c873bc5eb17aaf8630934b9b74974906110ca044d26f8d904458a000db
MD5 SHA1 SHA512

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memory/3708-75-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-14-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-103-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-87-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-8-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-5-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-76-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-70-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-13-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-42-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3708-15-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3916-12-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3916-3-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/3916-6-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/4244-4-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/4244-11-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/4244-0-0x0000000000400000-0x000000000053D000-memory.dmp

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memory/4244-7-0x0000000000400000-0x000000000053D000-memory.dmp

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