privateloader | bd5cb5ed04f67f5a6f2f5411e9ad5c457c0c3e3bf3a38e4996624bdfba01d98d

Analysis

max time kernel
148s
max time network
153s
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, 07:42

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General

Target
88a5b8b09ad1e32abc7fce3415b25a2aa7be90802b17e91d650f6961ee4e8744.exe
Size 888KB
Sample240524-jjsbwsab65
SHA256 88a5b8b09ad1e32abc7fce3415b25a2aa7be90802b17e91d650f6961ee4e8744
MD5 40607be14525e79eb0004ab99c5c4767
SHA1 a927972377354270313358ae9215cd657184c093
SHA512 59679bc750c9253eb4cce2e840616cac96fffc0632c314b1427fb8d73e422aabbdf9a511a2611258a01c5b570ab1e1b01ff751e374d190f8f2f2173d2a0ebc91
SSDEEP 24576:7yWXtYjSDrBNRzGDFv1JkyKbo+2VV+Om4G/khW7:uWXtY+5NwDVDrK8+22Om3MhW
MD5 SHA1 SHA512 SSDEEP

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

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1Vb02qk4.exe

Executes dropped EXE 1 IoCs

pid	Process
3288	1Vb02qk4.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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\\\""	88a5b8b09ad1e32abc7fce3415b25a2aa7be90802b17e91d650f6961ee4e8744.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1Vb02qk4.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
3352	schtasks.exe
4704	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 3288	2460	88a5b8b09ad1e32abc7fce3415b25a2aa7be90802b17e91d650f6961ee4e8744.exe	83
PID 2460 wrote to memory of 3288	2460	88a5b8b09ad1e32abc7fce3415b25a2aa7be90802b17e91d650f6961ee4e8744.exe	83
PID 2460 wrote to memory of 3288	2460	88a5b8b09ad1e32abc7fce3415b25a2aa7be90802b17e91d650f6961ee4e8744.exe	83
PID 3288 wrote to memory of 3352	3288	1Vb02qk4.exe	84
PID 3288 wrote to memory of 3352	3288	1Vb02qk4.exe	84
PID 3288 wrote to memory of 3352	3288	1Vb02qk4.exe	84
PID 3288 wrote to memory of 4704	3288	1Vb02qk4.exe	87
PID 3288 wrote to memory of 4704	3288	1Vb02qk4.exe	87
PID 3288 wrote to memory of 4704	3288	1Vb02qk4.exe	87

C:\Users\Admin\AppData\Local\Temp\88a5b8b09ad1e32abc7fce3415b25a2aa7be90802b17e91d650f6961ee4e8744.exe
"C:\Users\Admin\AppData\Local\Temp\88a5b8b09ad1e32abc7fce3415b25a2aa7be90802b17e91d650f6961ee4e8744.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Vb02qk4.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Vb02qk4.exe
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3288
- - 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:3352
- - 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:4704

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

1Vb02qk4.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Vb02qk4.exe
Size 1.5MB
SHA256 7482cd687df395bb6dac48522873f1c3f61fcd61d00c30bfd1c98f81ad96667a
MD5 5f0533e8f9d32bbb7540e47e45eb0298
SHA1 ffc74b3e241d6bbf7518988986d1a26a32687837
SHA512 42076ab314602f80417262376b730bed37c5082aa12167bf2b9c3908dba6c9b85a6308341cc5bed3d334bf4e6ed412275bd7077f06dd92dce8e614c55b6e2d6b
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WoI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTP
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