privateloader | b28bd08fb873d88c2659bdd281337a5bc9a14224a8fcc889b685c13341d7f186

Analysis

max time kernel
131s
max time network
146s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
30/11/2023, 14:36

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General

Target
file.exe
Size 2.6MB
Sample231130-ryj8tsda22
SHA256 b28bd08fb873d88c2659bdd281337a5bc9a14224a8fcc889b685c13341d7f186
MD5 76907b3494b885d764b1c42f2be8780a
SHA1 a8f43db2c9ada35e71a701120fb769919985b5be
SHA512 d8b2b7025df0cae4695042f4f11554fad1100d9686f61e873f5c819b7ca7bf7c77fb5a922c954d339edf0c28fd456d8a005d14a69f1f837d3c4990ddb73629ec
SSDEEP 49152:RqcWUtGitpeifjISN9pF1qo45wOuWjoSkSoTNV09YuU+3Eg0ytWo:Giz/kStF1JWjoS3oTNmauUG30ytWo
MD5 SHA1 SHA512 SSDEEP

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

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-1-5-21-2952504676-3105837840-1406404655-1000\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 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
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	AppLaunch.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 2076	1640	file.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
2680	schtasks.exe
2724	schtasks.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 1640 wrote to memory of 2076	1640	file.exe	28
PID 2076 wrote to memory of 2680	2076	AppLaunch.exe	29
PID 2076 wrote to memory of 2680	2076	AppLaunch.exe	29
PID 2076 wrote to memory of 2680	2076	AppLaunch.exe	29
PID 2076 wrote to memory of 2680	2076	AppLaunch.exe	29
PID 2076 wrote to memory of 2680	2076	AppLaunch.exe	29
PID 2076 wrote to memory of 2680	2076	AppLaunch.exe	29
PID 2076 wrote to memory of 2680	2076	AppLaunch.exe	29
PID 2076 wrote to memory of 2724	2076	AppLaunch.exe	31
PID 2076 wrote to memory of 2724	2076	AppLaunch.exe	31
PID 2076 wrote to memory of 2724	2076	AppLaunch.exe	31
PID 2076 wrote to memory of 2724	2076	AppLaunch.exe	31
PID 2076 wrote to memory of 2724	2076	AppLaunch.exe	31
PID 2076 wrote to memory of 2724	2076	AppLaunch.exe	31
PID 2076 wrote to memory of 2724	2076	AppLaunch.exe	31

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1640
- 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:2076
- - 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:2680
- - 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:2724

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/2076-9-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-4-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-5-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-6-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/2076-0-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-7-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-11-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-13-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-14-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-2-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/2076-28-0x0000000000400000-0x000000000057C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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