privateloader | 35fa914c6357cde578322016bb343396ee5cbe965e37dbbc27e58563c27f3d00

Analysis

max time kernel
149s
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 10:02

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General

Target

97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d.exe
Size

2.3MB
MD5

511ee23720d62a9cc14a08e82baea253
SHA1

b576656b34a7c822f0ed2f172cc50ce33d83b2d2
SHA256

97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d
SHA512

3459c02b5deb08871b1ff2952592f2091dadfd77976eee6976ba9d0b6f7b69d292101336cd4a88477bb1d4eaa0ecdd0ec0239cc5f841a2cb35843e52d56fa726
SSDEEP

49152:FObYzPXd0EgEzs9EM/K5ivGULWeSOUIOsel5uBonB6LHnH:ms25w5dcdSOL4lwonYLH

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:

1Ca09ru4.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 1Ca09ru4.exe
Executes dropped EXE 3 IoCs

Processes:

hj2eS32.exeUK3gX28.exe1Ca09ru4.exe

pid process

1508 hj2eS32.exe
856 UK3gX28.exe
4412 1Ca09ru4.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1Ca09ru4.exe

pid	process
1508	hj2eS32.exe
856	UK3gX28.exe
4412	1Ca09ru4.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d.exehj2eS32.exeUK3gX28.exe1Ca09ru4.exe

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\\\""	97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d.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\\\""	hj2eS32.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\\\""	UK3gX28.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1Ca09ru4.exe

Drops file in System32 directory 4 IoCs

Processes:

1Ca09ru4.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	1Ca09ru4.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1Ca09ru4.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1Ca09ru4.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1Ca09ru4.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

3828 schtasks.exe
5032 schtasks.exe

pid	process
3828	schtasks.exe
5032	schtasks.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d.exehj2eS32.exeUK3gX28.exe1Ca09ru4.exe

description	pid	process	target process
PID 3080 wrote to memory of 1508	3080	97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d.exe	hj2eS32.exe
PID 3080 wrote to memory of 1508	3080	97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d.exe	hj2eS32.exe
PID 3080 wrote to memory of 1508	3080	97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d.exe	hj2eS32.exe
PID 1508 wrote to memory of 856	1508	hj2eS32.exe	UK3gX28.exe
PID 1508 wrote to memory of 856	1508	hj2eS32.exe	UK3gX28.exe
PID 1508 wrote to memory of 856	1508	hj2eS32.exe	UK3gX28.exe
PID 856 wrote to memory of 4412	856	UK3gX28.exe	1Ca09ru4.exe
PID 856 wrote to memory of 4412	856	UK3gX28.exe	1Ca09ru4.exe
PID 856 wrote to memory of 4412	856	UK3gX28.exe	1Ca09ru4.exe
PID 4412 wrote to memory of 3828	4412	1Ca09ru4.exe	schtasks.exe
PID 4412 wrote to memory of 3828	4412	1Ca09ru4.exe	schtasks.exe
PID 4412 wrote to memory of 3828	4412	1Ca09ru4.exe	schtasks.exe
PID 4412 wrote to memory of 5032	4412	1Ca09ru4.exe	schtasks.exe
PID 4412 wrote to memory of 5032	4412	1Ca09ru4.exe	schtasks.exe
PID 4412 wrote to memory of 5032	4412	1Ca09ru4.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d.exe
"C:\Users\Admin\AppData\Local\Temp\97f490d9d1c823988c616ede167b8b5d5f9889ef21b76a0949bcce168c71839d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hj2eS32.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hj2eS32.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1508

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\UK3gX28.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\UK3gX28.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:856

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Ca09ru4.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Ca09ru4.exe
4⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4412

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
5⤵
- Creates scheduled task(s)
PID:3828

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
5⤵
- Creates scheduled task(s)
PID:5032

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3256

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4260

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hj2eS32.exe
Filesize
1.9MB

MD5
4f7f844981562e6cd7302b6d0c00a24e

SHA1
1dda31c5e77d989e6ab1003c0ef602a2fb923ca7

SHA256
7c10446afd140c518592978c9f879cd37431b3a21a6619bf6bf91ad1b15dda45

SHA512
ba72dea506daf1556ce44b79223e078563ba32ed39e2c2c253684475e5db6365b8f2eb1d7bff1a5102ff1e5b09a6b2d8ae56b1de3ad6edaf9e5a619a0b55e08c

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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\UK3gX28.exe
Filesize
789KB

MD5
5b5214c35f8a3b3cb231f331890d62c1

SHA1
9243163da8bb47a9c95c577dc7ef21b1b3707470

SHA256
ec9924b28728b8e33f560e0200cce0ff4dddfadba976144b46ff7390ffd59a80

SHA512
0b83b964c50a66ae53834e97db01882d2f63a31fc48e9b83713948551ba98d309e1ae4dd7427ffd8313d7d6dfc4b7c95cb731d11faea2fd34fbdfe1de0abcb6d

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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Ca09ru4.exe
Filesize
1.6MB

MD5
03623ce88968f94cd6892a26ec7eab88

SHA1
4c28d040d1c0faa3ff4b2570fb550f9e7be5b221

SHA256
a6bbbb7fa33f850d80db9732c75b7636e7093050cac04d16ae64dc558a165610

SHA512
94cd9c7dcc6889175388130ffe5c3b53bd70346d5e21c446fd4b2fdd4ffa384e21e6b5b95fc6a0b837c2e490e9c7c62f74fe55a82769dad3c93f69ed386b5612

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