privateloader | be3323c3b2bd6ba736703199d528de6bf1396e8a7c6b9b58e4ca31fda43b00e0

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 08:41

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General

Target

3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d.exe
Size

789KB
MD5

4509a9ed90c71db03304cd1974494162
SHA1

3081dbb1ef14a1bdb33380c54fca4d61b41c7440
SHA256

3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d
SHA512

981ab92063c4fc96cf995b410997770b309475f528b366d5c65115e600a5d69d48af747a832bc41d963bc4b3cac575128c6d76d302f9e97b6cbc9150898f80ba
SSDEEP

24576:XyJ8dTBd9baS7QW7lkzSFuCyyz/XMFao1:iJuTBbvUW7lkzSFfi0o

Score

10^/10

privateloader risepro loader persistence stealer

Malware Config

Extracted

Family

risepro

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

Processes:

1cl89Bp1.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 1cl89Bp1.exe
Executes dropped EXE 1 IoCs

Processes:

1cl89Bp1.exe

pid process

212 1cl89Bp1.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1cl89Bp1.exe

pid	process
212	1cl89Bp1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d.exe1cl89Bp1.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1cl89Bp1.exe

Drops file in System32 directory 4 IoCs

Processes:

1cl89Bp1.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1cl89Bp1.exe
File opened for modification	C:\Windows\System32\GroupPolicy	1cl89Bp1.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1cl89Bp1.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1cl89Bp1.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

Processes:

schtasks.exeschtasks.exe

pid process

3272 schtasks.exe
2192 schtasks.exe

pid	process
3272	schtasks.exe
2192	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d.exe1cl89Bp1.exe

description	pid	process	target process
PID 3448 wrote to memory of 212	3448	3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d.exe	1cl89Bp1.exe
PID 3448 wrote to memory of 212	3448	3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d.exe	1cl89Bp1.exe
PID 3448 wrote to memory of 212	3448	3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d.exe	1cl89Bp1.exe
PID 212 wrote to memory of 3272	212	1cl89Bp1.exe	schtasks.exe
PID 212 wrote to memory of 3272	212	1cl89Bp1.exe	schtasks.exe
PID 212 wrote to memory of 3272	212	1cl89Bp1.exe	schtasks.exe
PID 212 wrote to memory of 2192	212	1cl89Bp1.exe	schtasks.exe
PID 212 wrote to memory of 2192	212	1cl89Bp1.exe	schtasks.exe
PID 212 wrote to memory of 2192	212	1cl89Bp1.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d.exe
"C:\Users\Admin\AppData\Local\Temp\3aa30d5528ebe1b7856b26587d689c01c4a94547c022f9b29bb7c32708782f5d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3448

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cl89Bp1.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cl89Bp1.exe
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:212

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
3⤵
- Creates scheduled task(s)
PID:3272

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
3⤵
- Creates scheduled task(s)
PID:2192

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:2108

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1332

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cl89Bp1.exe
Filesize
1.6MB

MD5
6e154a865c9fcf4ea3d0f9e23ecd80dd

SHA1
011c58eae1b02cf9f9cc5193935fcba1f36ea629

SHA256
bc1b3588c9e25c905b4e7a16affa760587f4441cb8abbf7339801aa6f50d4fa9

SHA512
b767075595ade424df7e0bfbee89a33c3c2fadd543c9ef18b5b5188b403bf4c148efb685d41e5d7fe01bd9b7d3dc1e09ab24b8efaa9edd49dc6e2ed6634d1c7f

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