guloader | 41ea7154db5991f96b1ebcbec4e94b004db3b19f44d2b2ddf207ba81610409b5

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
17/02/2025, 04:31

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General

Target
ELITE TRADING LLC_PRICE INQUIRY-05002025-024142914208136738390-00143983188212000.exe/odg-Diskontoer.exe
Size 930KB
Sample250217-e5fg1azrdx
SHA256 e81747a9ede60d251a5cca15da28963fb84975bcbd4f6ff2bb96558639dfc9e6
MD5 c730d2226304c997f5cc1124a9cfe6fc
SHA1 79e71e9efb193582619f93287202404d73348088
SHA512 b19281c8bbe04847bd4000da0569f9c9aa05be60e8b29c12ab116f8fa352d120675db8c165b00315366e13e6a0b5d055c36620f2f51eea300dac80deadd71e68
SSDEEP 24576:FerYnK4TwIld1V20+FDbzUMX5gBb4J4MOqsk3UiFZ:FerYnKRIlHV20+FDbzhX5gOJ8TJiz
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

guloader discovery downloader persistence

Malware Config

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Downloads MZ/PE file 2 IoCs

flow	pid	Process
105	1872	Process not Found
82	2392	Process not Found

Loads dropped DLL 1 IoCs

pid	Process
1444	odg-Diskontoer.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-189444705-1272902858-1305688695-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Navngiven187 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Unweaned236\\Treehair.exe"	odg-Diskontoer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1444	odg-Diskontoer.exe
4568	odg-Diskontoer.exe

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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	odg-Diskontoer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	odg-Diskontoer.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
5044	MicrosoftEdgeUpdate.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x0013000000023ce9-21.dat	nsis_installer_1
behavioral2/files/0x0013000000023ce9-21.dat	nsis_installer_2

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AD7E1C28B064EF8F6003402014C3D0E3370EB58A\Blob = 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	odg-Diskontoer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AD7E1C28B064EF8F6003402014C3D0E3370EB58A	odg-Diskontoer.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1444	odg-Diskontoer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 4568	1444	odg-Diskontoer.exe	92
PID 1444 wrote to memory of 4568	1444	odg-Diskontoer.exe	92
PID 1444 wrote to memory of 4568	1444	odg-Diskontoer.exe	92
PID 1444 wrote to memory of 4568	1444	odg-Diskontoer.exe	92

C:\Users\Admin\AppData\Local\Temp\ELITE TRADING LLC_PRICE INQUIRY-05002025-024142914208136738390-00143983188212000.exe\odg-Diskontoer.exe
"C:\Users\Admin\AppData\Local\Temp\ELITE TRADING LLC_PRICE INQUIRY-05002025-024142914208136738390-00143983188212000.exe\odg-Diskontoer.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\ELITE TRADING LLC_PRICE INQUIRY-05002025-024142914208136738390-00143983188212000.exe\odg-Diskontoer.exe
  "C:\Users\Admin\AppData\Local\Temp\ELITE TRADING LLC_PRICE INQUIRY-05002025-024142914208136738390-00143983188212000.exe\odg-Diskontoer.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:4568

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI5IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mjk5OTEwMzEzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:5044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Treehair.exe

Path C:\Users\Admin\AppData\Local\Temp\Unweaned236\Treehair.exe
Size 930KB
SHA256 e81747a9ede60d251a5cca15da28963fb84975bcbd4f6ff2bb96558639dfc9e6
MD5 c730d2226304c997f5cc1124a9cfe6fc
SHA1 79e71e9efb193582619f93287202404d73348088
SHA512 b19281c8bbe04847bd4000da0569f9c9aa05be60e8b29c12ab116f8fa352d120675db8c165b00315366e13e6a0b5d055c36620f2f51eea300dac80deadd71e68
SSDEEP 24576:FerYnK4TwIld1V20+FDbzUMX5gBb4J4MOqsk3UiFZ:FerYnKRIlHV20+FDbzhX5gOJ8TJiz
MD5 SHA1 SHA512 SSDEEP

Submit Download

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsh8ADD.tmp\System.dll
Size 12KB
SHA256 7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SHA512 4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f
SSDEEP 192:VFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/993:97pJp48F2exrg5F/9
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1444-15-0x0000000077161000-0x0000000077281000-memory.dmp

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memory/1444-16-0x0000000077161000-0x0000000077281000-memory.dmp

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memory/1444-17-0x0000000073835000-0x0000000073836000-memory.dmp

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memory/4568-18-0x0000000001710000-0x0000000005F2F000-memory.dmp

Download

memory/4568-19-0x00000000771E8000-0x00000000771E9000-memory.dmp

Download

memory/4568-20-0x0000000077161000-0x0000000077281000-memory.dmp

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memory/4568-23-0x00000000004B0000-0x0000000001704000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads