Malware Analysis Report

2025-08-10 19:27

Sample ID 230712-qthzjadd64
Target CC_MAIA TÉCNICApdf.exe
SHA256 dad1c06013f2a0789dcc44fdec99ff1a51050386e6fe1e482c327d70a80e8657
Tags
guloader discovery downloader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

dad1c06013f2a0789dcc44fdec99ff1a51050386e6fe1e482c327d70a80e8657

Threat Level: Known bad

The file CC_MAIA TÉCNICApdf.exe was found to be: Known bad.

Malicious Activity Summary

guloader discovery downloader

Guloader,Cloudeye

Loads dropped DLL

Checks QEMU agent file

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Checks installed software on the system

Suspicious use of SetThreadContext

Suspicious use of NtCreateThreadExHideFromDebugger

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-07-12 13:33

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-12 13:33

Reported

2023-07-12 13:35

Platform

win7-20230703-en

Max time kernel

148s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Checks QEMU agent file

Description Indicator Process Target
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Checks installed software on the system

discovery

Legitimate hosting services abused for malware hosting/C2

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Mdelokalernes72\Oscillators\Burghbote\Orwellian.Pro C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 900 set thread context of 2108 N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Common Files\Bismark\Salaamed\Bundgarnsfiskernes\appelret.ini C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe

"C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"

C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe

"C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 drive.google.com udp
NL 142.251.36.46:443 drive.google.com tcp
US 8.8.8.8:53 doc-04-0k-docs.googleusercontent.com udp
NL 142.251.36.1:443 doc-04-0k-docs.googleusercontent.com tcp

Files

\Users\Admin\AppData\Local\Temp\nso5063.tmp\System.dll

MD5 17ed1c86bd67e78ade4712be48a7d2bd
SHA1 1cc9fe86d6d6030b4dae45ecddce5907991c01a0
SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
SHA512 0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

memory/900-63-0x0000000002650000-0x0000000003ED6000-memory.dmp

memory/900-64-0x0000000002650000-0x0000000003ED6000-memory.dmp

memory/2108-65-0x0000000000400000-0x0000000001462000-memory.dmp

memory/2108-66-0x0000000001470000-0x0000000002CF6000-memory.dmp

memory/2108-67-0x0000000000400000-0x0000000001462000-memory.dmp

memory/2108-88-0x0000000000400000-0x0000000001462000-memory.dmp

memory/2108-89-0x0000000001470000-0x0000000002CF6000-memory.dmp

memory/2108-90-0x0000000001470000-0x0000000002CF6000-memory.dmp

memory/2108-91-0x0000000000400000-0x0000000001462000-memory.dmp

memory/2108-93-0x00000000330B0000-0x00000000333B3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-12 13:33

Reported

2023-07-12 13:35

Platform

win10v2004-20230703-en

Max time kernel

145s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Checks QEMU agent file

Description Indicator Process Target
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Checks installed software on the system

discovery

Legitimate hosting services abused for malware hosting/C2

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Mdelokalernes72\Oscillators\Burghbote\Orwellian.Pro C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3584 set thread context of 1036 N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Common Files\Bismark\Salaamed\Bundgarnsfiskernes\appelret.ini C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe

"C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"

C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe

"C:\Users\Admin\AppData\Local\Temp\CC_MAIA TÉCNICApdf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 254.150.241.8.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 drive.google.com udp
NL 142.251.36.46:443 drive.google.com tcp
US 8.8.8.8:53 46.36.251.142.in-addr.arpa udp
US 8.8.8.8:53 doc-04-0k-docs.googleusercontent.com udp
NL 142.251.36.1:443 doc-04-0k-docs.googleusercontent.com tcp
US 8.8.8.8:53 1.36.251.142.in-addr.arpa udp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 76.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 26.73.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsg7CA3.tmp\System.dll

MD5 17ed1c86bd67e78ade4712be48a7d2bd
SHA1 1cc9fe86d6d6030b4dae45ecddce5907991c01a0
SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
SHA512 0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

memory/3584-141-0x0000000002A30000-0x00000000042B6000-memory.dmp

memory/3584-142-0x0000000002A30000-0x00000000042B6000-memory.dmp

memory/1036-143-0x0000000000400000-0x0000000001654000-memory.dmp

memory/1036-144-0x0000000001660000-0x0000000002EE6000-memory.dmp

memory/1036-157-0x0000000000400000-0x0000000001654000-memory.dmp

memory/1036-158-0x0000000000400000-0x0000000001654000-memory.dmp

memory/1036-159-0x0000000001660000-0x0000000002EE6000-memory.dmp

memory/1036-160-0x0000000001660000-0x0000000002EE6000-memory.dmp

memory/1036-161-0x0000000033490000-0x00000000337DA000-memory.dmp

memory/1036-162-0x0000000000400000-0x0000000001654000-memory.dmp