guloader | e8b00d362280ad03511b44e1e16b92bff4468547a2cd2b5231962653f18be194

General

Target

Hemoid.exe
Size

903KB
MD5

86775a764aea392246a92799be91dd13
SHA1

df06f5d609bfe3861567f2b32769f32ddae17341
SHA256

e8b00d362280ad03511b44e1e16b92bff4468547a2cd2b5231962653f18be194
SHA512

5caea228fc466f9780a73df8755c8beb2ee1809df74bb6d40a6dec78428f1620491f556fa50236d2126688600205bb1d2e9b1b6a665f594ce54f705ba7d28cbb
SSDEEP

12288:7/x+rNj8OdRDQOjJ+bLJxoATfDx209q7s62W++uMBIVm7MIBXBKGzaeKBemnZ6:bx+rddRkiyoAzD5wY62HnQIQMOKOaeKE

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 2 IoCs

Processes:

Hemoid.exe

pid process

764 Hemoid.exe
764 Hemoid.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

27 drive.google.com
28 drive.google.com
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

Hemoid.exe

pid process

3952 Hemoid.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

Hemoid.exeHemoid.exe

pid process

764 Hemoid.exe
3952 Hemoid.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Hemoid.exe

description pid process target process

PID 764 set thread context of 3952 764 Hemoid.exe Hemoid.exe
Drops file in Program Files directory 1 IoCs

Processes:

Hemoid.exe

description ioc process

File opened for modification C:\Program Files (x86)\Common Files\Reoil.mul Hemoid.exe

pid	process
764	Hemoid.exe
764	Hemoid.exe

flow	ioc
27	drive.google.com
28	drive.google.com

pid	process
764	Hemoid.exe
3952	Hemoid.exe

description	pid	process	target process
PID 764 set thread context of 3952	764	Hemoid.exe	Hemoid.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Common Files\Reoil.mul	Hemoid.exe

Drops file in Windows directory 6 IoCs

Processes:

Hemoid.exe

description	ioc	process
File opened for modification	C:\Windows\Fonts\karrooers.ini	Hemoid.exe
File opened for modification	C:\Windows\Fonts\brunsttiderne.tri	Hemoid.exe
File opened for modification	C:\Windows\Fonts\Spodium39.int	Hemoid.exe
File opened for modification	C:\Windows\Belringernes\Dermatophony.ini	Hemoid.exe
File opened for modification	C:\Windows\resources\nringsmiddelet.ini	Hemoid.exe
File opened for modification	C:\Windows\resources\stenhjsplanternes\fordreves.ini	Hemoid.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 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

Processes:

Hemoid.exeHemoid.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Hemoid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Hemoid.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

Hemoid.exe

pid	process
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe
3952	Hemoid.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Hemoid.exe

pid process

764 Hemoid.exe

pid	process
764	Hemoid.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

Hemoid.exe

description	pid	process	target process
PID 764 wrote to memory of 3952	764	Hemoid.exe	Hemoid.exe
PID 764 wrote to memory of 3952	764	Hemoid.exe	Hemoid.exe
PID 764 wrote to memory of 3952	764	Hemoid.exe	Hemoid.exe
PID 764 wrote to memory of 3952	764	Hemoid.exe	Hemoid.exe
PID 764 wrote to memory of 3952	764	Hemoid.exe	Hemoid.exe

C:\Users\Admin\AppData\Local\Temp\Hemoid.exe
"C:\Users\Admin\AppData\Local\Temp\Hemoid.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:764
- C:\Users\Admin\AppData\Local\Temp\Hemoid.exe
  "C:\Users\Admin\AppData\Local\Temp\Hemoid.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsxA588.tmp\System.dll

Filesize
11KB

MD5
c9473cb90d79a374b2ba6040ca16e45c

SHA1
ab95b54f12796dce57210d65f05124a6ed81234a

SHA256
b80a5cba69d1853ed5979b0ca0352437bf368a5cfb86cb4528edadd410e11352

SHA512
eafe7d5894622bc21f663bca4dd594392ee0f5b29270b6b56b0187093d6a3a103545464ff6398ad32d2cf15dab79b1f133218ba9ba337ddc01330b5ada804d7b

Download Submit
memory/764-24-0x0000000003070000-0x0000000005DFB000-memory.dmp

Filesize
45.5MB

Download
memory/764-18-0x0000000003070000-0x0000000005DFB000-memory.dmp

Filesize
45.5MB

Download
memory/764-19-0x0000000003070000-0x0000000005DFB000-memory.dmp

Filesize
45.5MB

Download
memory/764-20-0x00000000770C1000-0x00000000771E1000-memory.dmp

Filesize
1.1MB

Download
memory/764-22-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/764-21-0x00000000770C1000-0x00000000771E1000-memory.dmp

Filesize
1.1MB

Download
memory/3952-25-0x0000000001660000-0x00000000043EB000-memory.dmp

Filesize
45.5MB

Download
memory/3952-23-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3952-38-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3952-39-0x0000000001660000-0x00000000043EB000-memory.dmp

Filesize
45.5MB

Download
memory/3952-40-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3952-41-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3952-42-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3952-43-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3952-46-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3952-47-0x0000000001660000-0x00000000043EB000-memory.dmp

Filesize
45.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads