privateloader | e4b327b631015d629e22a76e2bbc3e6d3eec7891ad299f1b247fc4a86c63bc5a

Analysis

max time kernel
129s
max time network
142s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
29-11-2023 15:27

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General

Target

0x00080000000231bf-26.exe
Size

1.5MB
MD5

c96435ab10a191969841741d5828e392
SHA1

d98c88b0401860af458897741867bf8256cbd82b
SHA256

e4b327b631015d629e22a76e2bbc3e6d3eec7891ad299f1b247fc4a86c63bc5a
SHA512

9ea7f4c09c7467ef2c7dfe6210f3d1b165e7eec652c3cf54f0db956e1ee92cc8db07b68a602efb1b8a59cfaa1aa591bc605aecb49507988e718d9dec5997ecd9
SSDEEP

24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WKI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTl

Score

10^/10

privateloader risepro loader persistence stealer

Malware Config

Extracted

Family

risepro

194.49.94.152

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:

0x00080000000231bf-26.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	0x00080000000231bf-26.exe

Loads dropped DLL 1 IoCs

Processes:

0x00080000000231bf-26.exe

pid process

2788 0x00080000000231bf-26.exe

pid	process
2788	0x00080000000231bf-26.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0x00080000000231bf-26.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	0x00080000000231bf-26.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

2648 schtasks.exe
2640 schtasks.exe

pid	process
2648	schtasks.exe
2640	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

0x00080000000231bf-26.exe

description	pid	process	target process
PID 2788 wrote to memory of 2640	2788	0x00080000000231bf-26.exe	schtasks.exe
PID 2788 wrote to memory of 2640	2788	0x00080000000231bf-26.exe	schtasks.exe
PID 2788 wrote to memory of 2640	2788	0x00080000000231bf-26.exe	schtasks.exe
PID 2788 wrote to memory of 2640	2788	0x00080000000231bf-26.exe	schtasks.exe
PID 2788 wrote to memory of 2648	2788	0x00080000000231bf-26.exe	schtasks.exe
PID 2788 wrote to memory of 2648	2788	0x00080000000231bf-26.exe	schtasks.exe
PID 2788 wrote to memory of 2648	2788	0x00080000000231bf-26.exe	schtasks.exe
PID 2788 wrote to memory of 2648	2788	0x00080000000231bf-26.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\0x00080000000231bf-26.exe
"C:\Users\Admin\AppData\Local\Temp\0x00080000000231bf-26.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2788

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:2640

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:2648

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

Replay Monitor

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Downloads

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

Filesize
1.5MB

MD5
c96435ab10a191969841741d5828e392

SHA1
d98c88b0401860af458897741867bf8256cbd82b

SHA256
e4b327b631015d629e22a76e2bbc3e6d3eec7891ad299f1b247fc4a86c63bc5a

SHA512
9ea7f4c09c7467ef2c7dfe6210f3d1b165e7eec652c3cf54f0db956e1ee92cc8db07b68a602efb1b8a59cfaa1aa591bc605aecb49507988e718d9dec5997ecd9

Download Submit
\Users\Admin\AppData\Local\Temp\FANBooster131\FANBooster131.exe

Filesize
1.5MB

MD5
c96435ab10a191969841741d5828e392

SHA1
d98c88b0401860af458897741867bf8256cbd82b

SHA256
e4b327b631015d629e22a76e2bbc3e6d3eec7891ad299f1b247fc4a86c63bc5a

SHA512
9ea7f4c09c7467ef2c7dfe6210f3d1b165e7eec652c3cf54f0db956e1ee92cc8db07b68a602efb1b8a59cfaa1aa591bc605aecb49507988e718d9dec5997ecd9

Download Submit