privateloader | 9be61164b38ff58a3fc5be9aec7db15dadbc099ba5ce299c3cd55d314cdef5a8

General

Target
7b9c896e0536df7cb1db4aaecb44d658.exe
Size 1.5MB
Sample231202-29atmsgd2v
SHA256 9be61164b38ff58a3fc5be9aec7db15dadbc099ba5ce299c3cd55d314cdef5a8
MD5 7b9c896e0536df7cb1db4aaecb44d658
SHA1 cd96c47472bbee9baf056088f3ec7481ecc5b23d
SHA512 d77c2fd91ca0da6fba37ae7ddb017f22829bcbe06fdc30691d885981776a2ae7a71817d4c6af2c5f365fdfdf4cbabda407c7acecfd32d2e40480d26f53f9c6da
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WBI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

privateloader risepro loader persistence stealer

Malware Config

Extracted

Family

risepro

C2

193.233.132.51

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	7b9c896e0536df7cb1db4aaecb44d658.exe

Loads dropped DLL 1 IoCs

pid	Process
1412	7b9c896e0536df7cb1db4aaecb44d658.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	7b9c896e0536df7cb1db4aaecb44d658.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	7b9c896e0536df7cb1db4aaecb44d658.exe
File opened for modification	C:\Windows\System32\GroupPolicy	7b9c896e0536df7cb1db4aaecb44d658.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	7b9c896e0536df7cb1db4aaecb44d658.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	7b9c896e0536df7cb1db4aaecb44d658.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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/Job

T1053

pid	Process
2872	schtasks.exe
2700	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 2872	1412	7b9c896e0536df7cb1db4aaecb44d658.exe	28
PID 1412 wrote to memory of 2872	1412	7b9c896e0536df7cb1db4aaecb44d658.exe	28
PID 1412 wrote to memory of 2872	1412	7b9c896e0536df7cb1db4aaecb44d658.exe	28
PID 1412 wrote to memory of 2872	1412	7b9c896e0536df7cb1db4aaecb44d658.exe	28
PID 1412 wrote to memory of 2700	1412	7b9c896e0536df7cb1db4aaecb44d658.exe	30
PID 1412 wrote to memory of 2700	1412	7b9c896e0536df7cb1db4aaecb44d658.exe	30
PID 1412 wrote to memory of 2700	1412	7b9c896e0536df7cb1db4aaecb44d658.exe	30
PID 1412 wrote to memory of 2700	1412	7b9c896e0536df7cb1db4aaecb44d658.exe	30

C:\Users\Admin\AppData\Local\Temp\7b9c896e0536df7cb1db4aaecb44d658.exe
"C:\Users\Admin\AppData\Local\Temp\7b9c896e0536df7cb1db4aaecb44d658.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1412
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:2872
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

OfficeTrackerNMP131.exe

Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
Size 1.5MB
SHA256 9be61164b38ff58a3fc5be9aec7db15dadbc099ba5ce299c3cd55d314cdef5a8
MD5 7b9c896e0536df7cb1db4aaecb44d658
SHA1 cd96c47472bbee9baf056088f3ec7481ecc5b23d
SHA512 d77c2fd91ca0da6fba37ae7ddb017f22829bcbe06fdc30691d885981776a2ae7a71817d4c6af2c5f365fdfdf4cbabda407c7acecfd32d2e40480d26f53f9c6da
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WBI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTO
MD5 SHA1 SHA512 SSDEEP

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FANBooster131.exe

Path \Users\Admin\AppData\Local\Temp\FANBooster131\FANBooster131.exe
Size 1.5MB
SHA256 9be61164b38ff58a3fc5be9aec7db15dadbc099ba5ce299c3cd55d314cdef5a8
MD5 7b9c896e0536df7cb1db4aaecb44d658
SHA1 cd96c47472bbee9baf056088f3ec7481ecc5b23d
SHA512 d77c2fd91ca0da6fba37ae7ddb017f22829bcbe06fdc30691d885981776a2ae7a71817d4c6af2c5f365fdfdf4cbabda407c7acecfd32d2e40480d26f53f9c6da
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WBI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTO
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads