guloader | 8dea13aca375c58455a7e125c241b82405f8249bb3dadb83b6fd4efa043b7307

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 11:13

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General

Target

Udrustningens70.exe
Size

1.1MB
MD5

fd102f4cfcc617182a11becd16e3b7d7
SHA1

d5b2c85fd31db98c51903ce4437bb19ffe0a99dc
SHA256

8dea13aca375c58455a7e125c241b82405f8249bb3dadb83b6fd4efa043b7307
SHA512

ee8e453827d64bf424bdba076fa6178d54a3dab6e29202c0d241c4192faaa162e6d6f7a13412fb27ab1876f7bda82d9a797ffee5d57b5174858d76e12e035307
SSDEEP

24576:rzy1i2+EufWAoZ0dVA6HCFsjq5c3SddFDykNTwdQG9ikO:g+7boKg6cl5kSdzDPwZib

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
2652	Udrustningens70.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 35 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Udrustningens70.exe

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

Web Service

T1102

flow	ioc
3	drive.google.com
4	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1784	Udrustningens70.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2652	Udrustningens70.exe
1784	Udrustningens70.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\etageboligomraader\Afbagte.ini	Udrustningens70.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	Udrustningens70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Udrustningens70.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2652	Udrustningens70.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	Udrustningens70.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 1784	2652	Udrustningens70.exe	30
PID 2652 wrote to memory of 1784	2652	Udrustningens70.exe	30
PID 2652 wrote to memory of 1784	2652	Udrustningens70.exe	30
PID 2652 wrote to memory of 1784	2652	Udrustningens70.exe	30
PID 2652 wrote to memory of 1784	2652	Udrustningens70.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Udrustningens70.exe

C:\Users\Admin\AppData\Local\Temp\Udrustningens70.exe
"C:\Users\Admin\AppData\Local\Temp\Udrustningens70.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Users\Admin\AppData\Local\Temp\Udrustningens70.exe
  "C:\Users\Admin\AppData\Local\Temp\Udrustningens70.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:1784

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

\Users\Admin\AppData\Local\Temp\nso1FD1.tmp\System.dll

Filesize
11KB

MD5
ee260c45e97b62a5e42f17460d406068

SHA1
df35f6300a03c4d3d3bd69752574426296b78695

SHA256
e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

SHA512
a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

Download Submit
memory/1784-79-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-81-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-31-0x00000000014F0000-0x00000000066AC000-memory.dmp

Filesize
81.7MB

Download
memory/1784-32-0x0000000076F40000-0x00000000770E9000-memory.dmp

Filesize
1.7MB

Download
memory/1784-54-0x0000000000480000-0x00000000014E2000-memory.dmp

Filesize
16.4MB

Download
memory/1784-55-0x0000000000480000-0x00000000014E2000-memory.dmp

Filesize
16.4MB

Download
memory/1784-56-0x0000000076F40000-0x00000000770E9000-memory.dmp

Filesize
1.7MB

Download
memory/1784-58-0x0000000000480000-0x00000000004E0000-memory.dmp

Filesize
384KB

Download
memory/1784-59-0x00000000001E0000-0x0000000000278000-memory.dmp

Filesize
608KB

Download
memory/1784-63-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-61-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-60-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-57-0x00000000014F0000-0x00000000066AC000-memory.dmp

Filesize
81.7MB

Download
memory/1784-83-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-97-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-95-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-101-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-67-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-65-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-71-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-77-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-2126-0x0000000039D90000-0x0000000039E70000-memory.dmp

Filesize
896KB

Download
memory/1784-2125-0x0000000037370000-0x00000000373BC000-memory.dmp

Filesize
304KB

Download
memory/1784-87-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-89-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-91-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-117-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-103-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-99-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-93-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-85-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-69-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-120-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-115-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-113-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-111-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-109-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-107-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-105-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-75-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-73-0x00000000001E0000-0x0000000000272000-memory.dmp

Filesize
584KB

Download
memory/1784-2124-0x00000000372E0000-0x000000003730C000-memory.dmp

Filesize
176KB

Download
memory/2652-29-0x0000000076F41000-0x0000000077042000-memory.dmp

Filesize
1.0MB

Download
memory/2652-30-0x0000000076F40000-0x00000000770E9000-memory.dmp

Filesize
1.7MB

Download