privateloader | ddc6b496a8a25762ee7b933f47107c5553187f5846568bf68b67dd8d5f4a7548

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
23-05-2024 19:05

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General

Target

e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0.exe
Size

789KB
MD5

4894bd30e13b50b0195bf79964bf157d
SHA1

6df09ccbe7ba91d5a55d2cf3617a30be1035d07f
SHA256

e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0
SHA512

39557ffe59b588d07ca8b118a101fd992c5101875329c4430b93e0f3c08bd652143ebe8b001e2fe89030fb517d43335382ff03ea2f02b9586a7197fb53bb8d6c
SSDEEP

12288:5Mrky902N8degBdF/RIqaSVJ3zQFo/DiK+BZhzSLU2qQCNQmhZNy/xUjDKM4n8/:pyl8dTBd9baS7QW7lkzSFuCyy/9J8/

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:

1zN95yn2.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 1zN95yn2.exe
Executes dropped EXE 1 IoCs

Processes:

1zN95yn2.exe

pid process

4728 1zN95yn2.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1zN95yn2.exe

pid	process
4728	1zN95yn2.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0.exe1zN95yn2.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\\\""	e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1zN95yn2.exe

Drops file in System32 directory 4 IoCs

Processes:

1zN95yn2.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	1zN95yn2.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1zN95yn2.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1zN95yn2.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1zN95yn2.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

3900 schtasks.exe
1220 schtasks.exe

pid	process
3900	schtasks.exe
1220	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0.exe1zN95yn2.exe

description	pid	process	target process
PID 2516 wrote to memory of 4728	2516	e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0.exe	1zN95yn2.exe
PID 2516 wrote to memory of 4728	2516	e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0.exe	1zN95yn2.exe
PID 2516 wrote to memory of 4728	2516	e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0.exe	1zN95yn2.exe
PID 4728 wrote to memory of 3900	4728	1zN95yn2.exe	schtasks.exe
PID 4728 wrote to memory of 3900	4728	1zN95yn2.exe	schtasks.exe
PID 4728 wrote to memory of 3900	4728	1zN95yn2.exe	schtasks.exe
PID 4728 wrote to memory of 1220	4728	1zN95yn2.exe	schtasks.exe
PID 4728 wrote to memory of 1220	4728	1zN95yn2.exe	schtasks.exe
PID 4728 wrote to memory of 1220	4728	1zN95yn2.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0.exe
"C:\Users\Admin\AppData\Local\Temp\e1d166047db27931c64d2750c2c0d4d27bb57655e624d6cd5eeed46b63a5cbd0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2516

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1zN95yn2.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1zN95yn2.exe
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4728

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:3900

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:1220

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4752

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1532

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\1zN95yn2.exe

Filesize
1.6MB

MD5
8b03fdd087f4276a930817aa0be7b41b

SHA1
791fc5ca65fde2140e8678adb81e25d2b247fa7f

SHA256
c8ac5415eb55f9ca531b3054f3ebddbe9ea3ce6f0ad9ea44d222ed4e2256b6bd

SHA512
c589f3e33ae171c11515d5e5ee8da42a7803760fe15a5466ff00f7479e1302c9658f6ef2496d8a3a849dd10de35594df08dcb93e1acbd249e2ff81f3b5e0017c

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