privateloader | f315eea03e667be683a181c91b52bc6222c86ee321d95c3483cfe855f2565a2e

Analysis

max time kernel
129s
max time network
139s
platform
windows7_x64
resource
win7-20231201-en
resource tags

arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
submitted
02/12/2023, 16:56

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General

Target
4701fb2b7ecbf0601fffccd7e860a799.exe
Size 3.4MB
Sample231202-vfpblseb93
SHA256 f315eea03e667be683a181c91b52bc6222c86ee321d95c3483cfe855f2565a2e
MD5 4701fb2b7ecbf0601fffccd7e860a799
SHA1 40f2ceeddce232ce896d8453137f8d8feffa8d8a
SHA512 f3fed0ef67a297d6858cdcd075cdfb2352d545c955f73d76b0ab7740e69f0d3cbc65812d013f6cf1e9ae6faa6c905c7faa107e4b49f5b91a2b7c0e2e5582ffb5
SSDEEP 49152:xSw8/CwGED3t6a3vfdGcqetKYcmeayjoEs:Mwg3EQYo+jzs
MD5 SHA1 SHA512 SSDEEP

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

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1502336823-1680518048-858510903-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	AppLaunch.exe

Drops file in System32 directory 4 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1852 set thread context of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28

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

pid	Process
2848	schtasks.exe
1628	schtasks.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 1852 wrote to memory of 2456	1852	4701fb2b7ecbf0601fffccd7e860a799.exe	28
PID 2456 wrote to memory of 2848	2456	AppLaunch.exe	29
PID 2456 wrote to memory of 2848	2456	AppLaunch.exe	29
PID 2456 wrote to memory of 2848	2456	AppLaunch.exe	29
PID 2456 wrote to memory of 2848	2456	AppLaunch.exe	29
PID 2456 wrote to memory of 2848	2456	AppLaunch.exe	29
PID 2456 wrote to memory of 2848	2456	AppLaunch.exe	29
PID 2456 wrote to memory of 2848	2456	AppLaunch.exe	29
PID 2456 wrote to memory of 1628	2456	AppLaunch.exe	31
PID 2456 wrote to memory of 1628	2456	AppLaunch.exe	31
PID 2456 wrote to memory of 1628	2456	AppLaunch.exe	31
PID 2456 wrote to memory of 1628	2456	AppLaunch.exe	31
PID 2456 wrote to memory of 1628	2456	AppLaunch.exe	31
PID 2456 wrote to memory of 1628	2456	AppLaunch.exe	31
PID 2456 wrote to memory of 1628	2456	AppLaunch.exe	31

C:\Users\Admin\AppData\Local\Temp\4701fb2b7ecbf0601fffccd7e860a799.exe
"C:\Users\Admin\AppData\Local\Temp\4701fb2b7ecbf0601fffccd7e860a799.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2456
- - 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:2848
- - 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:1628

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

OfficeTrackerNMP131.exe

Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
Size 96KB
SHA256 529088553fe9cb3e497ef704ce9bc7bc07630f6ddfad44afb92acfe639789ec5
MD5 7825cad99621dd288da81d8d8ae13cf5
SHA1 f3e1ab0c8e4f22e718cdeb6fa5faa87b0e61e73c
SHA512 2e81251a2c140a96f681fa95d82eee531b391e2654daa90da08d1dd00f13cba949136d465a2dc37507d40b4a708b6fc695baa716f19737591b1a89bd2a4b60b4
SSDEEP 1536:1dCQC+TbenERV4hbdZ7Fbk7zrbITCFz4MeaYhV3lSty:1dCQZTbeETHXACFz4MjO3h
MD5 SHA1 SHA512 SSDEEP

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memory/2456-0-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2456-1-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2456-2-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2456-3-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2456-4-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2456-5-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2456-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/2456-7-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2456-9-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2456-11-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2456-25-0x0000000000400000-0x000000000057C000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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