guloader | 1b275e46dfcc1e187a0826c1e5c8eab33561445b48556db2aba49cdbe4470790

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2025, 19:34

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General

Target

Finerede.exe
Size

996KB
MD5

014bc822578f34fccd7b3c5d4b0cf7f3
SHA1

54a99f4294371524fc35e3759c1ce581743291d1
SHA256

1b275e46dfcc1e187a0826c1e5c8eab33561445b48556db2aba49cdbe4470790
SHA512

a7ce9fc2c15545b6227fb68abbb9f5aac533ba2919e4c89e16af3a2ac0dd5f47a2ceef6bd10258bf75ad173335ad0260bb76a5752c6e18e86479df57ab881070
SSDEEP

24576:/Gx7qmjT0AGeQ6f9TvWb1OivG16CKK/XKRyghvmQfHPJTDc:cvjT0b6tvLIm6oMthfHBk

Score

10^/10

guloader vipkeylogger collection discovery downloader keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.novacitacor.pt
Port:
587
Username:
[email protected]
Password:
#Novasystem123#
Email To:
[email protected]

https://api.telegram.org/bot7502066508:AAGz5-yl79jZ7Tfefk024IrMFNLc6CGJF4I/sendMessage?chat_id=6978326966

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Vipkeylogger family
vipkeylogger

Loads dropped DLL 2 IoCs

pid	Process
4592	Finerede.exe
4592	Finerede.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Finerede.exe
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Finerede.exe
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Finerede.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
22	drive.google.com
23	drive.google.com

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
37	checkip.dyndns.org
41	reallyfreegeoip.org
42	reallyfreegeoip.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\revyviserne\Tilbed.ini	Finerede.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3928	Finerede.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4592	Finerede.exe
3928	Finerede.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\delarbejderne.nar	Finerede.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\fremmder\ifaldne.lev	Finerede.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Finerede.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Finerede.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3928	Finerede.exe
3928	Finerede.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4592	Finerede.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3928	Finerede.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 3928	4592	Finerede.exe	89
PID 4592 wrote to memory of 3928	4592	Finerede.exe	89
PID 4592 wrote to memory of 3928	4592	Finerede.exe	89
PID 4592 wrote to memory of 3928	4592	Finerede.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Finerede.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Finerede.exe

C:\Users\Admin\AppData\Local\Temp\Finerede.exe
"C:\Users\Admin\AppData\Local\Temp\Finerede.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Users\Admin\AppData\Local\Temp\Finerede.exe
  "C:\Users\Admin\AppData\Local\Temp\Finerede.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Templates\dinosaurusserne.lnk

Filesize
1KB

MD5
248a4e6bff9779f385c807374d4fd4ed

SHA1
b4546d3bce31983fed2a92a93cd132c78641f66b

SHA256
a9f19f7bd4af3577c97eb753eb78726cb0824bdfae3501a24478a33b75aa7d3f

SHA512
365650e9072eaf9a2fe22631033228d87d3d32df768773091ea3cba5d4d506b2ff8a34fe613e806ee4bcff72ae2a01cf9818e07840bd2d05b7c14ef0ee6926a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse2CC.tmp\System.dll

Filesize
11KB

MD5
b853d5d2361ade731e33e882707efc34

SHA1
c58b1aeabdf1cbb8334ef8797e7aceaa7a1cb6be

SHA256
f0cd96e0b6e40f92ad1aa0efacde833bae807b92fca19bf062c1cf8acf29484b

SHA512
8ea31d82ffa6f58dab5632fe72690d3a6db0be65aec85fc8a1f71626773c0974dcebefae17bcf67c4c56ef442545e985eea0b348ff6e4fc36740640092b08d69

Download Submit
memory/3928-332-0x0000000000480000-0x00000000016D4000-memory.dmp

Filesize
18.3MB

Download
memory/3928-338-0x0000000038720000-0x00000000387BC000-memory.dmp

Filesize
624KB

Download
memory/3928-349-0x0000000039680000-0x000000003968A000-memory.dmp

Filesize
40KB

Download
memory/3928-315-0x00000000016E0000-0x0000000005999000-memory.dmp

Filesize
66.7MB

Download
memory/3928-316-0x0000000077A48000-0x0000000077A49000-memory.dmp

Filesize
4KB

Download
memory/3928-317-0x0000000077A65000-0x0000000077A66000-memory.dmp

Filesize
4KB

Download
memory/3928-334-0x00000000779C1000-0x0000000077AE1000-memory.dmp

Filesize
1.1MB

Download
memory/3928-335-0x000000007273E000-0x000000007273F000-memory.dmp

Filesize
4KB

Download
memory/3928-348-0x00000000395A0000-0x0000000039632000-memory.dmp

Filesize
584KB

Download
memory/3928-336-0x0000000000480000-0x00000000004C4000-memory.dmp

Filesize
272KB

Download
memory/3928-337-0x0000000038830000-0x0000000038DD4000-memory.dmp

Filesize
5.6MB

Download
memory/3928-346-0x0000000039520000-0x0000000039570000-memory.dmp

Filesize
320KB

Download
memory/3928-333-0x00000000016E0000-0x0000000005999000-memory.dmp

Filesize
66.7MB

Download
memory/3928-339-0x0000000072730000-0x0000000072EE0000-memory.dmp

Filesize
7.7MB

Download
memory/3928-341-0x00000000779C1000-0x0000000077AE1000-memory.dmp

Filesize
1.1MB

Download
memory/3928-342-0x000000007273E000-0x000000007273F000-memory.dmp

Filesize
4KB

Download
memory/3928-343-0x0000000072730000-0x0000000072EE0000-memory.dmp

Filesize
7.7MB

Download
memory/3928-345-0x0000000039310000-0x00000000394D2000-memory.dmp

Filesize
1.8MB

Download
memory/4592-313-0x00000000779C1000-0x0000000077AE1000-memory.dmp

Filesize
1.1MB

Download
memory/4592-312-0x00000000779C1000-0x0000000077AE1000-memory.dmp

Filesize
1.1MB

Download
memory/4592-314-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download