privateloader | 78044ff8f74edccd5579136ba1d670ce4f382444735c3885ab0542dd2b77ce63

Analysis

max time kernel
149s
max time network
155s
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 14:45

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General

Target

b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121.exe
Size

789KB
MD5

aeb20c09dacf7778a36e577a5cb476bd
SHA1

1d7b13d9bf182a709f05b136948f689b528347ca
SHA256

b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121
SHA512

b873b02dc06dca05fc4943b014736394b151a3c55492f0254e14da0941667b784c130d288dd4e7d8052b103b8c182e3635ae01b38ad0f2af8b507f07d07c1343
SSDEEP

12288:XMrGy90DN8degBdF/RIqaSVJ3zQFo/DiK+BZhzSLU2qQCNQmhZNy/xUjDKMUa:1yW8dTBd9baS7QW7lkzSFuCyy/9Ba

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:

1aT67mP0.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 1aT67mP0.exe
Executes dropped EXE 1 IoCs

Processes:

1aT67mP0.exe

pid process

3052 1aT67mP0.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1aT67mP0.exe

pid	process
3052	1aT67mP0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121.exe1aT67mP0.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\\\""	b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1aT67mP0.exe

Drops file in System32 directory 4 IoCs

Processes:

1aT67mP0.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1aT67mP0.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1aT67mP0.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1aT67mP0.exe
File opened for modification	C:\Windows\System32\GroupPolicy	1aT67mP0.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

1660 schtasks.exe
700 schtasks.exe

pid	process
1660	schtasks.exe
700	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121.exe1aT67mP0.exe

description	pid	process	target process
PID 1360 wrote to memory of 3052	1360	b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121.exe	1aT67mP0.exe
PID 1360 wrote to memory of 3052	1360	b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121.exe	1aT67mP0.exe
PID 1360 wrote to memory of 3052	1360	b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121.exe	1aT67mP0.exe
PID 3052 wrote to memory of 1660	3052	1aT67mP0.exe	schtasks.exe
PID 3052 wrote to memory of 1660	3052	1aT67mP0.exe	schtasks.exe
PID 3052 wrote to memory of 1660	3052	1aT67mP0.exe	schtasks.exe
PID 3052 wrote to memory of 700	3052	1aT67mP0.exe	schtasks.exe
PID 3052 wrote to memory of 700	3052	1aT67mP0.exe	schtasks.exe
PID 3052 wrote to memory of 700	3052	1aT67mP0.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121.exe
"C:\Users\Admin\AppData\Local\Temp\b9e66aabb221e3e3118a47d09299a0e6940e137a234b31c5a1aa3a72d2d96121.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1360

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1aT67mP0.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1aT67mP0.exe
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3052

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:1660

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:700

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:516

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1932

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\1aT67mP0.exe

Filesize
1.6MB

MD5
e336894217eb7356fd73bbeb09e8d5e9

SHA1
89c09df99513dcf8879e352a2e2e23bbb85aa756

SHA256
c0b136c9783ef0083ffd1b401c85500144f0ebc5185f92b1ab03bafc856c300f

SHA512
8eb4be43cfec4ecbd3f9c284d62bfba2524a3727fdb9d32bc22ce219c25d846c1a3454d6d8c46b071491fdccd5f263c3ed0968a832a0706c74e6340fa6deef3f

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