privateloader | 74261118be5c00855661ab511b8a029393a87bdeecdd28cf59e97f7afcbceac6

General

Target
a92600401b2208365115b27e42e6cb0a.exe
Size 3.4MB
Sample231202-ya8d3sfd4t
SHA256 74261118be5c00855661ab511b8a029393a87bdeecdd28cf59e97f7afcbceac6
MD5 a92600401b2208365115b27e42e6cb0a
SHA1 34da5204b27075603fb440a98ab3bc87b00085a5
SHA512 182075e931c37ff94336bc37e3e9a39464ef07501a79f9bcfa272a27cc382e2a72dfe157afb1626ea36b3a0dab44dac7fb0a39aaaea047b768fa7bd4a49c0d09
SSDEEP 49152:7RwN/i6GkKHp6a3vsVajkb5xJ5JW6nAXeuJXM8aRHyaeZ1:VwaHQBVajkb5xJ5JW6nSeuJc8OHyaeZ1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

privateloader risepro loader persistence stealer

Malware Config

Extracted

Family

risepro

C2

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-1-5-21-2037190880-819243489-950462038-1000\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 3060 set thread context of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90

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
4056	schtasks.exe
2092	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 3060 wrote to memory of 1536	3060	a92600401b2208365115b27e42e6cb0a.exe	90
PID 1536 wrote to memory of 4056	1536	AppLaunch.exe	91
PID 1536 wrote to memory of 4056	1536	AppLaunch.exe	91
PID 1536 wrote to memory of 4056	1536	AppLaunch.exe	91
PID 1536 wrote to memory of 2092	1536	AppLaunch.exe	95
PID 1536 wrote to memory of 2092	1536	AppLaunch.exe	95
PID 1536 wrote to memory of 2092	1536	AppLaunch.exe	95

C:\Users\Admin\AppData\Local\Temp\a92600401b2208365115b27e42e6cb0a.exe
"C:\Users\Admin\AppData\Local\Temp\a92600401b2208365115b27e42e6cb0a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3060
- 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:1536
- - 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:4056
- - 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:2092

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3576

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

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 101KB
SHA256 dc5ac8d4d6d5b230ab73415c80439b4da77da1cfde18214ef601897f661abdac
MD5 89d41e1cf478a3d3c2c701a27a5692b2
SHA1 691e20583ef80cb9a2fd3258560e7f02481d12fd
SHA512 5c9658f6ca0d8d067bfc76072c438ac13daa12d8c1fef33369e1bc36a592d160a2bdb22b4f3eed73e8670bb65107a4134e18e6dc604897a80cc0768769f475dc
SSDEEP 1536:+BsZRVSXlyeg2JfVNUWWxvhKzIo0MYJuhkHyXBWge:+BsZGXMejUkzIo0MYJuhdR4
MD5 SHA1 SHA512 SSDEEP

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memory/1536-0-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/1536-1-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/1536-2-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/1536-3-0x0000000000400000-0x000000000057C000-memory.dmp

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memory/1536-17-0x0000000000400000-0x000000000057C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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