guloader | c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-02-2025 03:24

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General

Target

c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Size

1.0MB
MD5

1ebe93eeab6243a251a4a5c03ceb5a02
SHA1

49df0a8621d4dd503fcce6e1deacc6ebcc1b0e77
SHA256

c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd
SHA512

cf512a1e12c3483bc6892ce91527a9a46d519600c10e34c301a8bcdf7099832b69ef281a670fbf9158fc308673c0b18a0bd501fd79d4bc5a36eb2e611fcf6ed2
SSDEEP

24576:LzOEC045yAEVwhCkyfdZO5EkhyNG5Hgapy:eEe5HyS55hBNgj

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
2856	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
2856	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe

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

Web Service

T1102

flow	ioc
3	drive.google.com
5	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2704	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2856	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
2704	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.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	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2856	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2704	2856	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe	31
PID 2856 wrote to memory of 2704	2856	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe	31
PID 2856 wrote to memory of 2704	2856	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe	31
PID 2856 wrote to memory of 2704	2856	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe	31
PID 2856 wrote to memory of 2704	2856	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe

C:\Users\Admin\AppData\Local\Temp\c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
"C:\Users\Admin\AppData\Local\Temp\c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
  "C:\Users\Admin\AppData\Local\Temp\c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.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:2704

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

\Users\Admin\AppData\Local\Temp\nseE9A5.tmp\System.dll

Filesize
11KB

MD5
3f176d1ee13b0d7d6bd92e1c7a0b9bae

SHA1
fe582246792774c2c9dd15639ffa0aca90d6fd0b

SHA256
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

SHA512
0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

Download Submit
memory/2704-96-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-74-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-2115-0x0000000035350000-0x0000000035430000-memory.dmp

Filesize
896KB

Download
memory/2704-2114-0x0000000032D40000-0x0000000032D8C000-memory.dmp

Filesize
304KB

Download
memory/2704-22-0x0000000076FC0000-0x0000000077169000-memory.dmp

Filesize
1.7MB

Download
memory/2704-44-0x00000000004C0000-0x0000000001522000-memory.dmp

Filesize
16.4MB

Download
memory/2704-45-0x00000000004C0000-0x0000000001522000-memory.dmp

Filesize
16.4MB

Download
memory/2704-46-0x0000000001530000-0x0000000001FAC000-memory.dmp

Filesize
10.5MB

Download
memory/2704-47-0x00000000004C0000-0x0000000000520000-memory.dmp

Filesize
384KB

Download
memory/2704-48-0x00000000350B0000-0x0000000035146000-memory.dmp

Filesize
600KB

Download
memory/2704-98-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-50-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-94-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-64-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-90-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-108-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-106-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-104-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-102-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-100-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-49-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-2113-0x0000000031D70000-0x0000000031D9C000-memory.dmp

Filesize
176KB

Download
memory/2704-52-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-92-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-88-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-86-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-84-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-82-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-80-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-78-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-76-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-54-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-72-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-70-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-68-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-66-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-62-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-60-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

Download
memory/2704-58-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

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memory/2704-56-0x00000000350B0000-0x0000000035141000-memory.dmp

Filesize
580KB

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memory/2856-18-0x0000000076FC1000-0x00000000770C2000-memory.dmp

Filesize
1.0MB

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memory/2856-21-0x0000000002DD0000-0x000000000384C000-memory.dmp

Filesize
10.5MB

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memory/2856-17-0x0000000002DD0000-0x000000000384C000-memory.dmp

Filesize
10.5MB

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memory/2856-19-0x0000000076FC0000-0x0000000077169000-memory.dmp

Filesize
1.7MB

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