privateloader | 3767bd9b929fb47ae3b158c424044d32b3c87ffb6efc8eb109dc1df9f3d9b053

Analysis

max time kernel
148s
max time network
151s
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 08:20

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General

Target

177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9.exe
Size

1.2MB
MD5

ea7d2888eab1f5cf6eaa57c3814c8ab5
SHA1

a9261b058defeb6ee253ac3d2fc3a72cebea58e9
SHA256

177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9
SHA512

9bccd9884e2365685edb69d4c2fc8243c513d0390cd966c497fbf8c57828cb11cb10a29ff7283ac855d0fc57970e78a6cd500f3ba0efb61fcbfb532220eaed52
SSDEEP

24576:4yusLuDVSYDd4ThjIjeICWh1WzRmlJ8yXZvPzSAnlZ0Dr0Jkg3D:/uocVtDehj3vWh1WzRmvxeAn3bk

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:

1zb96sL4.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 1zb96sL4.exe
Executes dropped EXE 2 IoCs

Processes:

Tw4yv70.exe1zb96sL4.exe

pid process

4424 Tw4yv70.exe
4904 1zb96sL4.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1zb96sL4.exe

pid	process
4424	Tw4yv70.exe
4904	1zb96sL4.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9.exeTw4yv70.exe1zb96sL4.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\\\""	177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	Tw4yv70.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1zb96sL4.exe

Drops file in System32 directory 4 IoCs

Processes:

1zb96sL4.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1zb96sL4.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1zb96sL4.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1zb96sL4.exe
File opened for modification	C:\Windows\System32\GroupPolicy	1zb96sL4.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

64 schtasks.exe
4196 schtasks.exe

pid	process
64	schtasks.exe
4196	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9.exeTw4yv70.exe1zb96sL4.exe

description	pid	process	target process
PID 2912 wrote to memory of 4424	2912	177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9.exe	Tw4yv70.exe
PID 2912 wrote to memory of 4424	2912	177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9.exe	Tw4yv70.exe
PID 2912 wrote to memory of 4424	2912	177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9.exe	Tw4yv70.exe
PID 4424 wrote to memory of 4904	4424	Tw4yv70.exe	1zb96sL4.exe
PID 4424 wrote to memory of 4904	4424	Tw4yv70.exe	1zb96sL4.exe
PID 4424 wrote to memory of 4904	4424	Tw4yv70.exe	1zb96sL4.exe
PID 4904 wrote to memory of 64	4904	1zb96sL4.exe	schtasks.exe
PID 4904 wrote to memory of 64	4904	1zb96sL4.exe	schtasks.exe
PID 4904 wrote to memory of 64	4904	1zb96sL4.exe	schtasks.exe
PID 4904 wrote to memory of 4196	4904	1zb96sL4.exe	schtasks.exe
PID 4904 wrote to memory of 4196	4904	1zb96sL4.exe	schtasks.exe
PID 4904 wrote to memory of 4196	4904	1zb96sL4.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9.exe
"C:\Users\Admin\AppData\Local\Temp\177d2176387c311fdc72de1156680cf2efd82af4016fdc8a6adcdda4d02b44c9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2912

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Tw4yv70.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Tw4yv70.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4424

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zb96sL4.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zb96sL4.exe
3⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4904

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
4⤵
- Creates scheduled task(s)
PID:64

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
4⤵
- Creates scheduled task(s)
PID:4196

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3256

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Tw4yv70.exe

Filesize
789KB

MD5
91325e53afa28e0970dcb2f34e311335

SHA1
782241084bdbb83d8866b1a11a987a577abba2bc

SHA256
7420696f56f098f57708dca69460354ae022275abe9db6d57a3bfc7f033866b3

SHA512
914a6d8f9513e3147dad5debf4fcf7e8c316c07ab5ec3e3e75a8b41a2ee8a31cc5ac1f5d41b9d70589462d3a59c1c26c4bee4cec75ca632362ee340c6d90132e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zb96sL4.exe

Filesize
1.6MB

MD5
76db7596ffe10b750cd993a208b63b62

SHA1
963b1718e4bc915f9c464e80eb54f33069191a0f

SHA256
04600aa7e7cbc154933ceeaafc4003c6fd3ab21507e295f96e71940dfbb1b7ee

SHA512
01964c9ee880bdfd4fe7ca7abdbaa0c68ed4d7a4fe7d337d6f0b8cd288f4e50f77dcacecf88326ae822673bed0d2e91ad7e2682843115e3814bb4e7542949092

Download Submit