Malware Analysis Report

2025-08-05 12:23

Sample ID 231213-3nca1sbfd4
Target b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0
SHA256 b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0
Tags
privateloader risepro collection discovery persistence spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0

Threat Level: Known bad

The file b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0 was found to be: Known bad.

Malicious Activity Summary

privateloader risepro collection discovery persistence spyware stealer

Privateloader family

Risepro family

Reads user/profile data of local email clients

Drops startup file

Reads user/profile data of web browsers

Checks installed software on the system

Accesses Microsoft Outlook profiles

Adds Run key to start application

Looks up external IP address via web service

Drops file in System32 directory

Program crash

Unsigned PE

Enumerates physical storage devices

outlook_win_path

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:39

Signatures

Privateloader family

privateloader

Risepro family

risepro

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-13 23:39

Reported

2023-12-13 23:41

Platform

win10v2004-20231130-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A ipinfo.io N/A N/A
N/A ipinfo.io N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe

"C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1904 -ip 1904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 1692

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 147.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 193.233.132.51:50500 tcp
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 ipinfo.io udp
US 34.117.59.81:443 ipinfo.io tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 82.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 e6da143d8d6021028c3c2c5911b1ab92
SHA1 f32cd9d2d40b0faf66951d7425677bbc1ec70944
SHA256 b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0
SHA512 1f24d9d617e70241d4d42a8a4d2425f2a00ef6576d86995e5c541999fd0023d71e99b8bdc177caa3f6eebce48d4470ef8ca6dd4d42e2dddbbb29868e36a90d5f

C:\Users\Admin\AppData\Local\Temp\posterBoxVBGkiIspc3D8v\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBoxVBGkiIspc3D8v\QdX9ITDLyCRBWeb Data

MD5 9ee081ca0d9c3cd479031e1ff265961b
SHA1 a2bfa65a2ddcd529a134ea08efd6965bcd0e5665
SHA256 2a260265cd76d10c19658a7db48e7f328aba6df399e28e2e73642d5904dd73b4
SHA512 6b9f28e80628042205df78d5393ba53ff9866ee25d92500a806055333f0fe3a93cb1516754b617c42a342d2852cb4f2cd37c849dbfd19bedb71aef5e642c33e6

C:\Users\Admin\AppData\Local\Temp\grandUIAVBGkiIspc3D8v\information.txt

MD5 96ec5415c71c6b33bac42a059d5a7da9
SHA1 015a726a49103cc7468d6289a657db39f123cf3c
SHA256 4544ac2ad6d6101b0f5fc55df5ac322ec079190ce412f56f6cc3c81db844b3b6
SHA512 7ea396936e18bc9bf91c34b174dacb7a061eba5833b764c1f2eedae1135a8f77531886791255d7119e906c60e616d61083c9bfdd6310c402710ff8c9017d923f

memory/2612-82-0x000001F24F040000-0x000001F24F050000-memory.dmp

memory/2612-98-0x000001F24F140000-0x000001F24F150000-memory.dmp

memory/2612-114-0x000001F2576E0000-0x000001F2576E1000-memory.dmp

memory/2612-115-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-116-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-117-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-118-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-119-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-120-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-121-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-122-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-123-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-124-0x000001F257710000-0x000001F257711000-memory.dmp

memory/2612-125-0x000001F257330000-0x000001F257331000-memory.dmp

memory/2612-126-0x000001F257320000-0x000001F257321000-memory.dmp

memory/2612-128-0x000001F257330000-0x000001F257331000-memory.dmp

memory/2612-131-0x000001F257320000-0x000001F257321000-memory.dmp

memory/2612-134-0x000001F257260000-0x000001F257261000-memory.dmp

C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

MD5 7bcac1b0a574cb44b2862ae7a8dc056a
SHA1 a72617a947f5b62da96032d580b642d2e32e846f
SHA256 3259d0d644786df68b9e29a3cd22619c4a9c283227e4cc916fdc81941cb40c39
SHA512 631c3a4fc6f3b136d65ae31d820f5d47813d1510d4161c6a1530890c565fb3e9f9e6fcce7e301bfba0dcf6f23952a517261064a38bd68b020af318653420e821

memory/2612-146-0x000001F257460000-0x000001F257461000-memory.dmp

memory/2612-148-0x000001F257470000-0x000001F257471000-memory.dmp

memory/2612-149-0x000001F257470000-0x000001F257471000-memory.dmp

memory/2612-150-0x000001F257580000-0x000001F257581000-memory.dmp