privateloader | 4a92f50d48ed6ec72dc8ae9cfdb1d88a169256d22e2abfc20dd72e002e1c9b53

General

Target
d56a7de1abdca92894e69de7ba27abc5.exe
Size 1.5MB
Sample231203-e5kfyshe3t
SHA256 4a92f50d48ed6ec72dc8ae9cfdb1d88a169256d22e2abfc20dd72e002e1c9b53
MD5 d56a7de1abdca92894e69de7ba27abc5
SHA1 944b80569ad3d81b63a17b7acad33209b7b090fc
SHA512 7998399cd411b5b5fb2b36c7ba8036a00bf26e8d608ad7f9ed45152a78ba6985ef49ab10909e8dbb481a5e25726211dce8bcadaea5fddf4c4ae0a99f2825fae0
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WBI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTO
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	d56a7de1abdca92894e69de7ba27abc5.exe

Loads dropped DLL 1 IoCs

pid	Process
2560	d56a7de1abdca92894e69de7ba27abc5.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-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	d56a7de1abdca92894e69de7ba27abc5.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	d56a7de1abdca92894e69de7ba27abc5.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	d56a7de1abdca92894e69de7ba27abc5.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	d56a7de1abdca92894e69de7ba27abc5.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	d56a7de1abdca92894e69de7ba27abc5.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

pid	Process
2748	schtasks.exe
2292	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2748	2560	d56a7de1abdca92894e69de7ba27abc5.exe	28
PID 2560 wrote to memory of 2748	2560	d56a7de1abdca92894e69de7ba27abc5.exe	28
PID 2560 wrote to memory of 2748	2560	d56a7de1abdca92894e69de7ba27abc5.exe	28
PID 2560 wrote to memory of 2748	2560	d56a7de1abdca92894e69de7ba27abc5.exe	28
PID 2560 wrote to memory of 2292	2560	d56a7de1abdca92894e69de7ba27abc5.exe	30
PID 2560 wrote to memory of 2292	2560	d56a7de1abdca92894e69de7ba27abc5.exe	30
PID 2560 wrote to memory of 2292	2560	d56a7de1abdca92894e69de7ba27abc5.exe	30
PID 2560 wrote to memory of 2292	2560	d56a7de1abdca92894e69de7ba27abc5.exe	30

C:\Users\Admin\AppData\Local\Temp\d56a7de1abdca92894e69de7ba27abc5.exe
"C:\Users\Admin\AppData\Local\Temp\d56a7de1abdca92894e69de7ba27abc5.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:2748
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:2292

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

OfficeTrackerNMP131.exe

Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
Size 1.5MB
SHA256 4a92f50d48ed6ec72dc8ae9cfdb1d88a169256d22e2abfc20dd72e002e1c9b53
MD5 d56a7de1abdca92894e69de7ba27abc5
SHA1 944b80569ad3d81b63a17b7acad33209b7b090fc
SHA512 7998399cd411b5b5fb2b36c7ba8036a00bf26e8d608ad7f9ed45152a78ba6985ef49ab10909e8dbb481a5e25726211dce8bcadaea5fddf4c4ae0a99f2825fae0
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WBI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTO
MD5 SHA1 SHA512 SSDEEP

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FANBooster131.exe

Path \Users\Admin\AppData\Local\Temp\FANBooster131\FANBooster131.exe
Size 1.5MB
SHA256 4a92f50d48ed6ec72dc8ae9cfdb1d88a169256d22e2abfc20dd72e002e1c9b53
MD5 d56a7de1abdca92894e69de7ba27abc5
SHA1 944b80569ad3d81b63a17b7acad33209b7b090fc
SHA512 7998399cd411b5b5fb2b36c7ba8036a00bf26e8d608ad7f9ed45152a78ba6985ef49ab10909e8dbb481a5e25726211dce8bcadaea5fddf4c4ae0a99f2825fae0
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WBI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTO
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads