privateloader | eafc2bfbeaeddb89f86da75f29f14435b745b919f0b99dd1d0d30b9d33efb415

Analysis

max time kernel
149s
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 07:44

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General

Target

79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859.exe
Size

1.7MB
MD5

0664c6a54c49fde112198a09288a6a2f
SHA1

08ee7fb3a8bb6f5cfba1c72a3bed549526d8f703
SHA256

79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859
SHA512

9c465667dfd6288401f98a3005e4e5c133d7ea24d84aaf860291363ad025feb285d488479f9e1b69a34a4db2ffc0e4177ef72fc4a307569eb38874e5ed124adc
SSDEEP

24576:LyjV6NHr7qC6M/7jBDS4vfzvyF4r8+Xp1W1yvwMHvhRzD8/p3ytMf1cTFddk7Vut:+QJ/n7FtvbIivZ1YyvBv3kum1cXuw

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:

1fN47zJ1.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 1fN47zJ1.exe
Executes dropped EXE 4 IoCs

Processes:

KX1Sp28.exeYB8zz87.exenm0mY76.exe1fN47zJ1.exe

pid process

2336 KX1Sp28.exe
2424 YB8zz87.exe
4488 nm0mY76.exe
4880 1fN47zJ1.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1fN47zJ1.exe

pid	process
2336	KX1Sp28.exe
2424	YB8zz87.exe
4488	nm0mY76.exe
4880	1fN47zJ1.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1fN47zJ1.exe79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859.exeKX1Sp28.exeYB8zz87.exenm0mY76.exe

description	ioc	process
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"	1fN47zJ1.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\\\""	79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859.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\\\""	KX1Sp28.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	YB8zz87.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	nm0mY76.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

2480 schtasks.exe
2708 schtasks.exe

pid	process
2480	schtasks.exe
2708	schtasks.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859.exeKX1Sp28.exeYB8zz87.exenm0mY76.exe1fN47zJ1.exe

description	pid	process	target process
PID 4540 wrote to memory of 2336	4540	79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859.exe	KX1Sp28.exe
PID 4540 wrote to memory of 2336	4540	79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859.exe	KX1Sp28.exe
PID 4540 wrote to memory of 2336	4540	79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859.exe	KX1Sp28.exe
PID 2336 wrote to memory of 2424	2336	KX1Sp28.exe	YB8zz87.exe
PID 2336 wrote to memory of 2424	2336	KX1Sp28.exe	YB8zz87.exe
PID 2336 wrote to memory of 2424	2336	KX1Sp28.exe	YB8zz87.exe
PID 2424 wrote to memory of 4488	2424	YB8zz87.exe	nm0mY76.exe
PID 2424 wrote to memory of 4488	2424	YB8zz87.exe	nm0mY76.exe
PID 2424 wrote to memory of 4488	2424	YB8zz87.exe	nm0mY76.exe
PID 4488 wrote to memory of 4880	4488	nm0mY76.exe	1fN47zJ1.exe
PID 4488 wrote to memory of 4880	4488	nm0mY76.exe	1fN47zJ1.exe
PID 4488 wrote to memory of 4880	4488	nm0mY76.exe	1fN47zJ1.exe
PID 4880 wrote to memory of 2480	4880	1fN47zJ1.exe	schtasks.exe
PID 4880 wrote to memory of 2480	4880	1fN47zJ1.exe	schtasks.exe
PID 4880 wrote to memory of 2480	4880	1fN47zJ1.exe	schtasks.exe
PID 4880 wrote to memory of 2708	4880	1fN47zJ1.exe	schtasks.exe
PID 4880 wrote to memory of 2708	4880	1fN47zJ1.exe	schtasks.exe
PID 4880 wrote to memory of 2708	4880	1fN47zJ1.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859.exe
"C:\Users\Admin\AppData\Local\Temp\79b34442d1c8507ff7bb7f184e63b7b674da3847ab0d3d8203b60c93467fa859.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4540

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\KX1Sp28.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\KX1Sp28.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2336

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\YB8zz87.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\YB8zz87.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2424

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nm0mY76.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nm0mY76.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4488

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1fN47zJ1.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1fN47zJ1.exe
5⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4880

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
6⤵
- Creates scheduled task(s)
PID:2480

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
6⤵
- Creates scheduled task(s)
PID:2708

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\KX1Sp28.exe
Filesize
1.5MB

MD5
393d91a6f42bc1e189b21d1fb049f105

SHA1
7ac9ad258c8f59aa2d734cd0a69b89f2d011897c

SHA256
22b3dbc227544cbfa300b14bd6369c3ab0ce9a5f06929274a964ebd5eb526a58

SHA512
69b771e60277c47830684f7a693479a6c1017c479d21c0025c9e2774a48051fda4d2a09caacef1c1db8fd689bd1ff136f36cd1bfba7c6f1f1828d2ead19422b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\YB8zz87.exe
Filesize
1011KB

MD5
a760f01f46b53adfdc96ee1277468ecc

SHA1
d4b1c5a992c7eeee41136d286c2d727944e2751e

SHA256
4d49c41aba7e76da4f2ba7eb3b38c09b6f985ce0923ded22d53352d6864d2f5a

SHA512
66af39927f39c18f3c1accd9092f071d0d788a95a8d10d91324043e64d4174f345eaf27215d2a10c6bb507b9b7e508a3eae37419318b6a8e6178126bda631180

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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nm0mY76.exe
Filesize
888KB

MD5
dc19d48f82fba0e110807ac506135fc7

SHA1
0f4e851095d080f8744681fcabb4b650d8dd9daf

SHA256
4c96fe7927b8909a40ed7a2705e4f9d9b7c9614886dcdc7d4dcb2b5e901280c7

SHA512
1bff08cd835ab82a3118734d247a0962f04160357dbe612bb3573d30f67b26764cb70469efa88ab274a1869a80b7b324ca937404f269f64ed48a67bc1f799160

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1fN47zJ1.exe
Filesize
1.5MB

MD5
b148a9452e03f6b4248d451d4761e1d6

SHA1
a483cc8e14e6bae11288e5efdac98b4f60e18029

SHA256
a55bba965cf96a123b28d95171668ac1783ddeabd790cdf5b6b23d75f59f021d

SHA512
cfb887afbbb5e1f6767b292dd0c7513616e31fc1fa89a058e91fa78906a959f91dbe79f2463d35de50a74839ecc5ef586472ac0dd3caf6d4151f704c5ca76c16

Download Submit