guloader | f6266ed10ed815b49f5c9f805cf0a2074960787fbf5e1aa43d931cdc21c3c939

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2025, 13:49

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General

Target

Payment Error Report.exe
Size

815KB
MD5

effc267b681c3e567f5ed20def756d22
SHA1

11e7cf6e6973dd8f46e0ef36a67eb20063134da9
SHA256

36c9e45f7928a552dedae93bf7e53bea5c2b3e52add087babfcc8752b760c8d5
SHA512

7ab17dc262cbe83209f585185d73ddcde4dee9efa8bb758dba60a257bac9b4b866681e506d2b00a29104aa5915602b09f5ac03684bff3eb7776fe266dbfce469
SSDEEP

24576:fXrqImBCUkwIzhGPjkczrFCD7R7VlN59UV+pS:fWISbkcXFCD71VlN59k0S

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 1 IoCs

pid	Process
1528	Payment Error Report.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 created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key opened	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key opened	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key opened	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key opened	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key opened	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key opened	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Payment Error Report.exe
Key opened	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Payment Error Report.exe

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

Web Service

T1102

flow	ioc
31	drive.google.com
32	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
704	Payment Error Report.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1528	Payment Error Report.exe
704	Payment Error Report.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\verdenshistoriske\moschidae.Law230	Payment Error Report.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	Payment Error Report.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment Error Report.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1528	Payment Error Report.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	704	Payment Error Report.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 704	1528	Payment Error Report.exe	93
PID 1528 wrote to memory of 704	1528	Payment Error Report.exe	93
PID 1528 wrote to memory of 704	1528	Payment Error Report.exe	93
PID 1528 wrote to memory of 704	1528	Payment Error Report.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Error Report.exe

C:\Users\Admin\AppData\Local\Temp\Payment Error Report.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Error Report.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\Payment Error Report.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Error Report.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:704

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsxB19F.tmp\System.dll

Filesize
11KB

MD5
3e6bf00b3ac976122f982ae2aadb1c51

SHA1
caab188f7fdc84d3fdcb2922edeeb5ed576bd31d

SHA256
4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe

SHA512
1286f05e6a7e6b691f6e479638e7179897598e171b52eb3a3dc0e830415251069d29416b6d1ffc6d7dce8da5625e1479be06db9b7179e7776659c5c1ad6aa706

Download Submit
memory/704-27-0x00000000016F0000-0x00000000042C9000-memory.dmp

Filesize
43.8MB

Download
memory/704-30-0x00000000016F0000-0x00000000042C9000-memory.dmp

Filesize
43.8MB

Download
memory/704-43-0x0000000000490000-0x00000000016E4000-memory.dmp

Filesize
18.3MB

Download
memory/704-44-0x00000000016F0000-0x00000000042C9000-memory.dmp

Filesize
43.8MB

Download
memory/704-45-0x0000000000490000-0x00000000016E4000-memory.dmp

Filesize
18.3MB

Download
memory/704-47-0x0000000000490000-0x00000000004F0000-memory.dmp

Filesize
384KB

Download
memory/704-46-0x00000000016F0000-0x00000000042C9000-memory.dmp

Filesize
43.8MB

Download
memory/704-48-0x0000000037090000-0x0000000037128000-memory.dmp

Filesize
608KB

Download
memory/704-78-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-72-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-108-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-106-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-104-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-102-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-98-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-94-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-92-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-90-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-86-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-84-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-82-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-80-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-76-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-74-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-70-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-68-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-64-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-62-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-100-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-96-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-88-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-66-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-60-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-58-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-56-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-54-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-52-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-50-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-49-0x0000000037090000-0x0000000037122000-memory.dmp

Filesize
584KB

Download
memory/704-2114-0x00000000371A0000-0x00000000371EC000-memory.dmp

Filesize
304KB

Download
memory/704-2113-0x00000000348C0000-0x00000000348EC000-memory.dmp

Filesize
176KB

Download
memory/704-2115-0x00000000373B0000-0x0000000037490000-memory.dmp

Filesize
896KB

Download
memory/704-5141-0x00000000374D0000-0x0000000037536000-memory.dmp

Filesize
408KB

Download
memory/704-5142-0x00000000378A0000-0x0000000037E44000-memory.dmp

Filesize
5.6MB

Download
memory/704-5143-0x00000000375E0000-0x0000000037672000-memory.dmp

Filesize
584KB

Download
memory/704-5144-0x0000000037FE0000-0x0000000037FF2000-memory.dmp

Filesize
72KB

Download
memory/704-5145-0x00000000382F0000-0x0000000038340000-memory.dmp

Filesize
320KB

Download
memory/1528-25-0x00000000030E0000-0x0000000005CB9000-memory.dmp

Filesize
43.8MB

Download
memory/1528-26-0x0000000077DC1000-0x0000000077EE1000-memory.dmp

Filesize
1.1MB

Download
memory/1528-29-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/1528-28-0x00000000030E0000-0x0000000005CB9000-memory.dmp

Filesize
43.8MB

Download