privateloader | dcf4e78aa4f4a43375e6c66a708f11e84986bd1f7bacc1564324e028fcba76f4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 10:56

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General

Target

88bcbe8e48f13c79125efeaff65fe5dcb719586f4683dca74f0287cdab35e40e.exe
Size

866KB
MD5

f94941b2ca66a0ae87817fb5ad749f7b
SHA1

91c9dd2c75a47fb1d58df141f02be82ceddaeac2
SHA256

88bcbe8e48f13c79125efeaff65fe5dcb719586f4683dca74f0287cdab35e40e
SHA512

375d636000a9fdfbde9ca152b353f054256ed1ce5a0826f57889a1b92f384b105926140e5fa1f82e4636e83f003d381b64f618cc334ec01fe522f68efbd38d41
SSDEEP

24576:9ybXtYjSDrBNRzGDFv1JkyKbo+2VV+OnG/G:YbXtY+5NwDVDrK8+22OnG

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	1Rc95Az4.exe

Executes dropped EXE 1 IoCs

pid	Process
4592	1Rc95Az4.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\\\""	88bcbe8e48f13c79125efeaff65fe5dcb719586f4683dca74f0287cdab35e40e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1Rc95Az4.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
4692	schtasks.exe
4040	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 4592	4076	88bcbe8e48f13c79125efeaff65fe5dcb719586f4683dca74f0287cdab35e40e.exe	84
PID 4076 wrote to memory of 4592	4076	88bcbe8e48f13c79125efeaff65fe5dcb719586f4683dca74f0287cdab35e40e.exe	84
PID 4076 wrote to memory of 4592	4076	88bcbe8e48f13c79125efeaff65fe5dcb719586f4683dca74f0287cdab35e40e.exe	84
PID 4592 wrote to memory of 4692	4592	1Rc95Az4.exe	86
PID 4592 wrote to memory of 4692	4592	1Rc95Az4.exe	86
PID 4592 wrote to memory of 4692	4592	1Rc95Az4.exe	86
PID 4592 wrote to memory of 4040	4592	1Rc95Az4.exe	88
PID 4592 wrote to memory of 4040	4592	1Rc95Az4.exe	88
PID 4592 wrote to memory of 4040	4592	1Rc95Az4.exe	88

C:\Users\Admin\AppData\Local\Temp\88bcbe8e48f13c79125efeaff65fe5dcb719586f4683dca74f0287cdab35e40e.exe
"C:\Users\Admin\AppData\Local\Temp\88bcbe8e48f13c79125efeaff65fe5dcb719586f4683dca74f0287cdab35e40e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4076
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Rc95Az4.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Rc95Az4.exe
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4592
- - 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:4692
- - 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:4040

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\1Rc95Az4.exe

Filesize
1.5MB

MD5
c9f52afec26cadae4eefd8cc3c2c21d3

SHA1
83251104d1f00f0979aa6119bc613b8e806185e7

SHA256
2db061c2d699c7a7e1bc19af320301a6cdb0c4b354252391fe24eb9a39d8fc8a

SHA512
2b2b6953ef4573f4081fc15c3b8d152d5eb09d38626aaa9d04f23556fac1e71e90963c46e66f6b605083002366bebdcff2113ad70aa89ad1cc089bb6841d2b5f

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads