guloader | 41ea7154db5991f96b1ebcbec4e94b004db3b19f44d2b2ddf207ba81610409b5

General

Target

ELITE TRADING LLC_PRICE INQUIRY-05002025-024142914208136738390-00143983188212000.exe/odg-Diskontoer.exe
Size

930KB
MD5

c730d2226304c997f5cc1124a9cfe6fc
SHA1

79e71e9efb193582619f93287202404d73348088
SHA256

e81747a9ede60d251a5cca15da28963fb84975bcbd4f6ff2bb96558639dfc9e6
SHA512

b19281c8bbe04847bd4000da0569f9c9aa05be60e8b29c12ab116f8fa352d120675db8c165b00315366e13e6a0b5d055c36620f2f51eea300dac80deadd71e68
SSDEEP

24576:FerYnK4TwIld1V20+FDbzUMX5gBb4J4MOqsk3UiFZ:FerYnKRIlHV20+FDbzhX5gOJ8TJiz

Score

10^/10

guloader remcos odg-remotehost discovery downloader persistence rat

Malware Config

Extracted

Family

remcos

Botnet

odg-RemoteHost

C2

odg01.is-a-landscaper.com:49950

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-GN5MV3
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Downloads MZ/PE file 1 IoCs

flow	pid	Process
23	1892	Process not Found

Loads dropped DLL 1 IoCs

pid	Process
4232	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-1-5-21-2656314083-4170277356-267438488-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Navngiven187 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Unweaned236\\Treehair.exe"	odg-Diskontoer.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
720	odg-Diskontoer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4232	odg-Diskontoer.exe
720	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	odg-Diskontoer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	odg-Diskontoer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.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
3956	MicrosoftEdgeUpdate.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x000500000001e1a3-22.dat	nsis_installer_1
behavioral2/files/0x000500000001e1a3-22.dat	nsis_installer_2

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4232	odg-Diskontoer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
720	odg-Diskontoer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 720	4232	odg-Diskontoer.exe	90
PID 4232 wrote to memory of 720	4232	odg-Diskontoer.exe	90
PID 4232 wrote to memory of 720	4232	odg-Diskontoer.exe	90
PID 4232 wrote to memory of 720	4232	odg-Diskontoer.exe	90

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:4232
- 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 NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:720

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTQyOTcwMTExIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
a99338c8b9c0d6a1f50033c6350df845

SHA1
de65d335309c6b41c641c13ad802250a7724a6b3

SHA256
2e84c6d0baee4d30488e47aa752a5921ccd61b2433181c75c006a1b516606195

SHA512
38cae184f84c2ca385a0d2d374c7205b5881ba8952e4985c9450649a1a856e72f62bea425f9afa5d5b89bbaa87ad7f8499c04b5c022e0501b74e9ccdd7bdc5c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Unweaned236\Treehair.exe

Filesize
930KB

MD5
c730d2226304c997f5cc1124a9cfe6fc

SHA1
79e71e9efb193582619f93287202404d73348088

SHA256
e81747a9ede60d251a5cca15da28963fb84975bcbd4f6ff2bb96558639dfc9e6

SHA512
b19281c8bbe04847bd4000da0569f9c9aa05be60e8b29c12ab116f8fa352d120675db8c165b00315366e13e6a0b5d055c36620f2f51eea300dac80deadd71e68

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu9DE8.tmp\System.dll

Filesize
12KB

MD5
dd87a973e01c5d9f8e0fcc81a0af7c7a

SHA1
c9206ced48d1e5bc648b1d0f54cccc18bf643a14

SHA256
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1

SHA512
4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f

Download Submit
memory/720-24-0x00000000004B0000-0x0000000001704000-memory.dmp

Filesize
18.3MB

Download
memory/720-18-0x0000000001710000-0x0000000005F2F000-memory.dmp

Filesize
72.1MB

Download
memory/720-20-0x00000000770E8000-0x00000000770E9000-memory.dmp

Filesize
4KB

Download
memory/720-21-0x0000000077061000-0x0000000077181000-memory.dmp

Filesize
1.1MB

Download
memory/720-44-0x00000000004B0000-0x0000000001704000-memory.dmp

Filesize
18.3MB

Download
memory/720-48-0x00000000004B0000-0x0000000001704000-memory.dmp

Filesize
18.3MB

Download
memory/720-49-0x0000000001710000-0x0000000005F2F000-memory.dmp

Filesize
72.1MB

Download
memory/720-51-0x00000000004B0000-0x0000000001704000-memory.dmp

Filesize
18.3MB

Download
memory/720-54-0x00000000004B0000-0x0000000001704000-memory.dmp

Filesize
18.3MB

Download
memory/720-60-0x00000000004B0000-0x0000000001704000-memory.dmp

Filesize
18.3MB

Download
memory/4232-16-0x0000000077061000-0x0000000077181000-memory.dmp

Filesize
1.1MB

Download
memory/4232-17-0x0000000073735000-0x0000000073736000-memory.dmp

Filesize
4KB

Download
memory/4232-15-0x0000000077061000-0x0000000077181000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads