privateloader | 8f1630bc8eac64cd06bd503a82b737a5f82d3a748f9021ad1d4babb30749eb84

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 14:45

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General

Target

69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921.exe
Size

1.2MB
MD5

f6399dc34708753580a9d5d6380248af
SHA1

04f968ebe55e924d0794245f1a5067d2bedc694d
SHA256

69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921
SHA512

027180ead80c1aa5eb60e6fa466c5c24dae7b2c60e3d46ea9ab37c7f896632bb09d15f729212fe3afdf2a022616867147e2038976589e46ad124a0ab13d81ba8
SSDEEP

24576:SymGYowx6+7PeBd43JtGDWW1Wzql6Q8yXUQ7/N+LSjILBasvS1d4:5J+7PeBuJ2WW1WzqlbzpOLm

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:

1Uz21vp4.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 1Uz21vp4.exe
Executes dropped EXE 2 IoCs

Processes:

yL0aS43.exe1Uz21vp4.exe

pid process

348 yL0aS43.exe
1176 1Uz21vp4.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1Uz21vp4.exe

pid	process
348	yL0aS43.exe
1176	1Uz21vp4.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

yL0aS43.exe1Uz21vp4.exe69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921.exe

description	ioc	process
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\\\""	yL0aS43.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"	1Uz21vp4.exe
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\\\""	69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921.exe

Drops file in System32 directory 4 IoCs

Processes:

1Uz21vp4.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1Uz21vp4.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1Uz21vp4.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1Uz21vp4.exe
File opened for modification	C:\Windows\System32\GroupPolicy	1Uz21vp4.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

2120 schtasks.exe
3392 schtasks.exe

pid	process
2120	schtasks.exe
3392	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921.exeyL0aS43.exe1Uz21vp4.exe

description	pid	process	target process
PID 4280 wrote to memory of 348	4280	69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921.exe	yL0aS43.exe
PID 4280 wrote to memory of 348	4280	69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921.exe	yL0aS43.exe
PID 4280 wrote to memory of 348	4280	69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921.exe	yL0aS43.exe
PID 348 wrote to memory of 1176	348	yL0aS43.exe	1Uz21vp4.exe
PID 348 wrote to memory of 1176	348	yL0aS43.exe	1Uz21vp4.exe
PID 348 wrote to memory of 1176	348	yL0aS43.exe	1Uz21vp4.exe
PID 1176 wrote to memory of 2120	1176	1Uz21vp4.exe	schtasks.exe
PID 1176 wrote to memory of 2120	1176	1Uz21vp4.exe	schtasks.exe
PID 1176 wrote to memory of 2120	1176	1Uz21vp4.exe	schtasks.exe
PID 1176 wrote to memory of 3392	1176	1Uz21vp4.exe	schtasks.exe
PID 1176 wrote to memory of 3392	1176	1Uz21vp4.exe	schtasks.exe
PID 1176 wrote to memory of 3392	1176	1Uz21vp4.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921.exe
"C:\Users\Admin\AppData\Local\Temp\69d4397e3b55b04c8e1679751f0367e5ee1956dca9f17aa05804b89140026921.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4280

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yL0aS43.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yL0aS43.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:348

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Uz21vp4.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Uz21vp4.exe
3⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1176

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:2120

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:3392

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4756

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4872

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\yL0aS43.exe

Filesize
789KB

MD5
d495e758518c94f7a8fd1c25cec30f97

SHA1
1076841501e4de40704c0444ad172ea859167b41

SHA256
b603a3e588868a63236ab5513c9ccdc0cfb77dab53600a6f3b1364fc54d78bb1

SHA512
73d4fcd59a6cbfb4e00bd516ec7ed9ef07f2943b4c5f4076f38fd9a606ea11aff257cdddacbd2c05dcce068951189edacc3782b7786fc337f7eadc9b51935d3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Uz21vp4.exe

Filesize
1.6MB

MD5
4c22015a08d728f1a28d6448b7f9396e

SHA1
57a73de282318bb0bf7e462cfe932a800b7d80b8

SHA256
90963963cadca2f5118f210730e22243a61a449e45cdd6cd772c9e35c15b4cfb

SHA512
47b64fce13be6adf766ed3d2275367baa258b2e5705faf48def567c870be060af4bc29cce7bd52a94c393f3e96e0c74830d2752fa4b9f9df5edd6061b8853b19

Download Submit