guloader | c3d0d812c6ff22f5202b68c5635693506887d26ee57e4455a4b939262849a0fa

Analysis

max time kernel
122s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20250211-en
resource tags

arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
submitted
11/02/2025, 17:30

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General

Target

Request for Quotation.exe
Size

1.0MB
MD5

3d638b12dd95e2fff1c99065066e737d
SHA1

882991b2c481bc5692ea2a190e13d67a622a8897
SHA256

c3d0d812c6ff22f5202b68c5635693506887d26ee57e4455a4b939262849a0fa
SHA512

3c273a63706d442087295fa0709d0f0f029b038a1d65cd3131ac70b65d5624a696e01d5060cd25ae542dac7e7203965b21e85a1589d240474724e1b2c915f4d9
SSDEEP

12288:LzORStC06lt5yuYwfdtPHiRJWJcqRTP8KiHnIt9b8aG8mFT/+AgidpiC:LzOEC045yZ0PiAjRwnITNG5Hgapl

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
404	Request for Quotation.exe
404	Request for Quotation.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-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Request for Quotation.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Request for Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe

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

Web Service

T1102

flow	ioc
7	drive.google.com
8	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3316	Request for Quotation.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
404	Request for Quotation.exe
3316	Request for Quotation.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 3 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	Request for Quotation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Request for Quotation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2892	MicrosoftEdgeUpdate.exe
2892	MicrosoftEdgeUpdate.exe
2892	MicrosoftEdgeUpdate.exe
2892	MicrosoftEdgeUpdate.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
404	Request for Quotation.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	MicrosoftEdgeUpdate.exe
Token: SeDebugPrivilege	3316	Request for Quotation.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 3316	404	Request for Quotation.exe	89
PID 404 wrote to memory of 3316	404	Request for Quotation.exe	89
PID 404 wrote to memory of 3316	404	Request for Quotation.exe	89
PID 404 wrote to memory of 3316	404	Request for Quotation.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for Quotation.exe

C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:404
- C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\Request for Quotation.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:3316

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ua /installsource scheduler
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2892

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsu7783.tmp\System.dll

Filesize
11KB

MD5
3f176d1ee13b0d7d6bd92e1c7a0b9bae

SHA1
fe582246792774c2c9dd15639ffa0aca90d6fd0b

SHA256
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

SHA512
0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

Download Submit
memory/404-15-0x0000000077991000-0x0000000077AB1000-memory.dmp

Filesize
1.1MB

Download
memory/404-17-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/404-16-0x0000000077991000-0x0000000077AB1000-memory.dmp

Filesize
1.1MB

Download
memory/3316-18-0x0000000001720000-0x0000000006515000-memory.dmp

Filesize
78.0MB

Download
memory/3316-20-0x0000000077991000-0x0000000077AB1000-memory.dmp

Filesize
1.1MB

Download
memory/3316-21-0x0000000077A18000-0x0000000077A19000-memory.dmp

Filesize
4KB

Download
memory/3316-22-0x0000000077A35000-0x0000000077A36000-memory.dmp

Filesize
4KB

Download
memory/3316-29-0x00000000004C0000-0x0000000001714000-memory.dmp

Filesize
18.3MB

Download
memory/3316-36-0x0000000077991000-0x0000000077AB1000-memory.dmp

Filesize
1.1MB

Download
memory/3316-37-0x00000000004C0000-0x0000000001714000-memory.dmp

Filesize
18.3MB

Download
memory/3316-39-0x00000000004C0000-0x0000000000520000-memory.dmp

Filesize
384KB

Download
memory/3316-40-0x0000000039320000-0x00000000393B8000-memory.dmp

Filesize
608KB

Download
memory/3316-38-0x0000000001720000-0x0000000006515000-memory.dmp

Filesize
78.0MB

Download
memory/3316-50-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-48-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-62-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-100-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-98-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-96-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-94-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-92-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-90-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-88-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-82-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-80-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-78-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-76-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-74-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-70-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-66-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-64-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-60-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-59-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-56-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-54-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-52-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-86-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-84-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-73-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-68-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-46-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-44-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-42-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-41-0x0000000039320000-0x00000000393B2000-memory.dmp

Filesize
584KB

Download
memory/3316-2105-0x00000000394A0000-0x00000000394CC000-memory.dmp

Filesize
176KB

Download
memory/3316-2106-0x00000000394D0000-0x000000003951C000-memory.dmp

Filesize
304KB

Download
memory/3316-2108-0x0000000039970000-0x0000000039A50000-memory.dmp

Filesize
896KB

Download
memory/3316-5133-0x0000000039A50000-0x0000000039AB6000-memory.dmp

Filesize
408KB

Download
memory/3316-5134-0x0000000039E30000-0x000000003A3D4000-memory.dmp

Filesize
5.6MB

Download
memory/3316-5135-0x0000000039B80000-0x0000000039C12000-memory.dmp

Filesize
584KB

Download
memory/3316-5136-0x000000003A460000-0x000000003A472000-memory.dmp

Filesize
72KB

Download
memory/3316-5137-0x000000003A7B0000-0x000000003A800000-memory.dmp

Filesize
320KB

Download