guloader | 59c46bca7b151554f067bb4a5bad03c984db9d1d2eda59124495f399741e7897

Analysis

max time kernel
151s
max time network
280s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
17-10-2024 19:42

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General

Target

Dannebrogsordnen.exe
Size

708KB
MD5

f259324bd799aa19142a7aadce371900
SHA1

5c977b560c2aa6e7e016388c8c5737688ba8016f
SHA256

59c46bca7b151554f067bb4a5bad03c984db9d1d2eda59124495f399741e7897
SHA512

539d881b45e98433868c2ed2be341af04987af2736e47b6160dcd30d3bbe7e57f7c54e2db539b238bdbc0f7ce1860620e5d2791b5b8ff38ae978ed1bff0e4d5b
SSDEEP

12288:grgjBLiIK2WVy/YqpupTj+aRIGvVg8LYCI2ugcY97FB95ByrhXmmwMRzcLSIHp:g0jBiIK2R/5pupbIGu0Y7ncr2XjZcWIJ

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
2036	Dannebrogsordnen.exe
2036	Dannebrogsordnen.exe

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

Web Service

T1102

flow	ioc
1	drive.google.com
2	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
780	Dannebrogsordnen.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2036	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 780	2036	Dannebrogsordnen.exe	77

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	Dannebrogsordnen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dannebrogsordnen.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe
780	Dannebrogsordnen.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2036	Dannebrogsordnen.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 780	2036	Dannebrogsordnen.exe	77
PID 2036 wrote to memory of 780	2036	Dannebrogsordnen.exe	77
PID 2036 wrote to memory of 780	2036	Dannebrogsordnen.exe	77
PID 2036 wrote to memory of 780	2036	Dannebrogsordnen.exe	77
PID 2036 wrote to memory of 780	2036	Dannebrogsordnen.exe	77

C:\Users\Admin\AppData\Local\Temp\Dannebrogsordnen.exe
"C:\Users\Admin\AppData\Local\Temp\Dannebrogsordnen.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\Dannebrogsordnen.exe
  "C:\Users\Admin\AppData\Local\Temp\Dannebrogsordnen.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nslA2D8.tmp\System.dll

Filesize
12KB

MD5
dd87a973e01c5d9f8e0fcc81a0af7c7a

SHA1
c9206ced48d1e5bc648b1d0f54cccc18bf643a14

SHA256
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1

SHA512
4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f

Download Submit
memory/780-36-0x0000000000400000-0x0000000001717000-memory.dmp

Filesize
19.1MB

Download
memory/780-19-0x00007FFC90BE0000-0x00007FFC90DE9000-memory.dmp

Filesize
2.0MB

Download
memory/780-17-0x0000000000400000-0x0000000001717000-memory.dmp

Filesize
19.1MB

Download
memory/780-34-0x00007FFC90BE0000-0x00007FFC90DE9000-memory.dmp

Filesize
2.0MB

Download
memory/780-35-0x0000000000400000-0x0000000001717000-memory.dmp

Filesize
19.1MB

Download
memory/780-37-0x00007FFC90BE0000-0x00007FFC90DE9000-memory.dmp

Filesize
2.0MB

Download
memory/780-38-0x0000000000400000-0x0000000001717000-memory.dmp

Filesize
19.1MB

Download
memory/780-42-0x00007FFC90BE0000-0x00007FFC90DE9000-memory.dmp

Filesize
2.0MB

Download
memory/780-41-0x0000000000400000-0x0000000001717000-memory.dmp

Filesize
19.1MB

Download
memory/2036-15-0x00007FFC90BE1000-0x00007FFC90D0A000-memory.dmp

Filesize
1.2MB

Download
memory/2036-16-0x00007FFC90BE0000-0x00007FFC90DE9000-memory.dmp

Filesize
2.0MB

Download
memory/2036-18-0x0000000003250000-0x000000000479F000-memory.dmp

Filesize
21.3MB

Download
memory/2036-14-0x0000000003250000-0x000000000479F000-memory.dmp

Filesize
21.3MB

Download