guloader | 3fadf1eda955fa1b1399c1b613ab4be6a742c07b45b8b97654c8440fee7b4b85

Analysis

max time kernel
95s
max time network
211s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2025, 16:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PO00408.exe
Size

820KB
MD5

d536792833e07c224ad3abc433f71c38
SHA1

78f20231f4f66ff515a04d61f92fc17b4076220e
SHA256

660b9e0687beaa726ba6cfb151c65cd5d6709bfc6e9c642215d74465d3bea775
SHA512

897d98945aefededa5dacdaf996a1661d5646df2e44ea05ad357f6b2d7469d28a9acb69755fe00a68316f2a21f5f2c059ab547cddf294eaff258c64c96d27b81
SSDEEP

24576:Q4nbY9dZZZZZZZZZZyoXXj3J35sHPzvvV3HQmhQ436/zJ:Q+qZZZZZZZZZZZXz3JKHrvv1wzq6N

Score

10^/10

guloader collection discovery downloader spyware stealer

Malware Config

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 2 IoCs

pid	Process
3600	PO00408.exe
3600	PO00408.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 42 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO00408.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO00408.exe

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

Web Service

T1102

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

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2612	PO00408.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3600	PO00408.exe
2612	PO00408.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	PO00408.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO00408.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3600	PO00408.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	PO00408.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 2612	3600	PO00408.exe	86
PID 3600 wrote to memory of 2612	3600	PO00408.exe	86
PID 3600 wrote to memory of 2612	3600	PO00408.exe	86
PID 3600 wrote to memory of 2612	3600	PO00408.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO00408.exe

C:\Users\Admin\AppData\Local\Temp\PO00408.exe
"C:\Users\Admin\AppData\Local\Temp\PO00408.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Users\Admin\AppData\Local\Temp\PO00408.exe
  "C:\Users\Admin\AppData\Local\Temp\PO00408.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2612

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

Credentials in Registry

T1552.002

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\cocainize\udsortering.jpg

Filesize
11KB

MD5
93066b05f4d44458fca79ae8f224eb61

SHA1
53aed2782bdced333a43b4ba2e44626be9523a7d

SHA256
d201c46604ea15c19901f24f0effc0e0c1092b20a979ddbbf44775aea7114400

SHA512
12d6f4cb1f2a5f6ac4dd4994317ca3020bedd4f51b2ed8cc5a2a1bd684d9b8a1914f0645754578ca8c45ae531cab09ab9b21b9d471481eab42e283ce172044db

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsgAE33.tmp\System.dll

Filesize
12KB

MD5
d6f54d2cefdf58836805796f55bfc846

SHA1
b980addc1a755b968dd5799179d3b4f1c2de9d2d

SHA256
f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9

SHA512
ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db

Download Submit
memory/2612-28-0x0000000001A70000-0x000000000288B000-memory.dmp

Filesize
14.1MB

Download
memory/2612-29-0x0000000077C68000-0x0000000077C69000-memory.dmp

Filesize
4KB

Download
memory/2612-30-0x0000000077C85000-0x0000000077C86000-memory.dmp

Filesize
4KB

Download
memory/2612-43-0x0000000001A70000-0x000000000288B000-memory.dmp

Filesize
14.1MB

Download
memory/2612-44-0x0000000000810000-0x0000000001A64000-memory.dmp

Filesize
18.3MB

Download
memory/2612-45-0x0000000001A70000-0x000000000288B000-memory.dmp

Filesize
14.1MB

Download
memory/2612-46-0x0000000000810000-0x0000000000870000-memory.dmp

Filesize
384KB

Download
memory/2612-47-0x0000000035630000-0x00000000356C8000-memory.dmp

Filesize
608KB

Download
memory/2612-55-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-63-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-107-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-105-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-101-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-99-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-97-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-95-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-93-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-91-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-89-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-87-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-85-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-83-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-79-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-77-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-75-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-73-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-71-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-69-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-67-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-65-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-61-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-59-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-57-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-53-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-51-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-50-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-103-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-81-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-48-0x0000000035630000-0x00000000356C2000-memory.dmp

Filesize
584KB

Download
memory/2612-811-0x0000000077BE1000-0x0000000077D01000-memory.dmp

Filesize
1.1MB

Download
memory/2612-2114-0x00000000356F0000-0x000000003571C000-memory.dmp

Filesize
176KB

Download
memory/2612-2115-0x0000000035720000-0x000000003576C000-memory.dmp

Filesize
304KB

Download
memory/2612-2116-0x00000000359B0000-0x0000000035A90000-memory.dmp

Filesize
896KB

Download
memory/2612-5141-0x0000000035B40000-0x0000000035BA6000-memory.dmp

Filesize
408KB

Download
memory/2612-5143-0x0000000035EA0000-0x0000000036444000-memory.dmp

Filesize
5.6MB

Download
memory/2612-5144-0x0000000035BF0000-0x0000000035C82000-memory.dmp

Filesize
584KB

Download
memory/2612-5145-0x00000000367F0000-0x0000000036802000-memory.dmp

Filesize
72KB

Download
memory/2612-5146-0x0000000036850000-0x00000000368A0000-memory.dmp

Filesize
320KB

Download
memory/3600-23-0x0000000002E10000-0x0000000003C2B000-memory.dmp

Filesize
14.1MB

Download
memory/3600-24-0x0000000077BE1000-0x0000000077D01000-memory.dmp

Filesize
1.1MB

Download
memory/3600-25-0x00000000748D5000-0x00000000748D6000-memory.dmp

Filesize
4KB

Download
memory/3600-27-0x0000000002E10000-0x0000000003C2B000-memory.dmp

Filesize
14.1MB

Download