guloader | 1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-06-2024 01:12

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General

Target

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
Size

293KB
MD5

55f3d976a99f2588c490757e772305b0
SHA1

604f939055cabbf0dff3b1fb9c3d8849b113b8f4
SHA256

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2
SHA512

588da8e818f7617684c23f8d5d9f8b38dec9afd28cd92180afc803211acc11d9cb2bc76250b4aac9c566b5634ebca86796c4347bde6fd8e280b9bb5e68f778a7
SSDEEP

6144:B5lz/EqlzbUxMrC2WMprfs5lBeUkrk14A2RYx+CMSUWx3I3AxadyzBs8kW:bx9bDm2JpLsbBVkr/Ap+CUWsEECk

Score

10^/10

guloader downloader persistence

Malware Config

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 1 IoCs

Processes:

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

pid process

2556 1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

pid	process
2556	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Cotland247 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Bytningers\\Sammenrulles.exe"	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 11 IoCs

Web Service

T1102

Processes:

flow	ioc
13	raw.githubusercontent.com
9	raw.githubusercontent.com
11	raw.githubusercontent.com
14	raw.githubusercontent.com
15	raw.githubusercontent.com
16	raw.githubusercontent.com
17	raw.githubusercontent.com
18	raw.githubusercontent.com
19	raw.githubusercontent.com
4	raw.githubusercontent.com
12	raw.githubusercontent.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

pid process

2556 1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
3376 1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

pid	process
2556	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
3376	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

description	pid	process	target process
PID 2556 set thread context of 3376	2556	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

Drops file in Program Files directory 1 IoCs

Processes:

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

description ioc process

File opened for modification C:\Program Files (x86)\bensall\blodbgens.ini 1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\bensall\blodbgens.ini	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

Drops file in Windows directory 2 IoCs

Processes:

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

description	ioc	process
File opened for modification	C:\Windows\resources\eliminer\kapitalvindingsskat.san	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
File opened for modification	C:\Windows\Fonts\Parapegma.For	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

pid process

2556 1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

pid	process
2556	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

description	pid	process	target process
PID 2556 wrote to memory of 3376	2556	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
PID 2556 wrote to memory of 3376	2556	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
PID 2556 wrote to memory of 3376	2556	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
PID 2556 wrote to memory of 3376	2556	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
PID 2556 wrote to memory of 3376	2556	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe	1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe

C:\Users\Admin\AppData\Local\Temp\1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2556

C:\Users\Admin\AppData\Local\Temp\1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\1b45ed2ad7f31a3496b214836c632a3a233f01a9056135e8a787db8a3a9071d2_NeikiAnalytics.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3376

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsr8A7E.tmp\System.dll
Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
memory/2556-22-0x0000000004B30000-0x00000000070ED000-memory.dmp

Filesize
37.7MB

Download
memory/2556-23-0x00000000775A1000-0x00000000776C1000-memory.dmp

Filesize
1.1MB

Download
memory/2556-24-0x0000000074065000-0x0000000074066000-memory.dmp

Filesize
4KB

Download
memory/2556-28-0x0000000004B30000-0x00000000070ED000-memory.dmp

Filesize
37.7MB

Download
memory/2556-35-0x0000000004B30000-0x00000000070ED000-memory.dmp

Filesize
37.7MB

Download
memory/3376-25-0x00000000016C0000-0x0000000003C7D000-memory.dmp

Filesize
37.7MB

Download
memory/3376-27-0x0000000000460000-0x00000000016B4000-memory.dmp

Filesize
18.3MB

Download
memory/3376-30-0x00000000016C0000-0x0000000003C7D000-memory.dmp

Filesize
37.7MB

Download