guloader | 9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 01:39

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General

Target

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
Size

716KB
MD5

63ce02a569206d96b1e6a611b4d756e2
SHA1

de89c101d0b1701daa00048bc54bed319e0f535f
SHA256

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b
SHA512

ad694430085fa9c7104bc12b8fdb6c0f93cc4cb968d6c0f93b719258f2bb70166d57f39a893ad9f52386690473760131e402e2928c09496407849ab0976251f1
SSDEEP

12288:7rgjBLiIK2WVy/YqpuL9uOUqTHF3WORPvJ2ugcYEjMwcT/hXmmwMRzcLSIHMqX:70jBiIK2R/5puhuTqbFNpnVMwkXjZcWi

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

pid	Process
3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

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

Web Service

T1102

flow	ioc
21	drive.google.com
22	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
1388	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3068 set thread context of 1388	3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	91

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	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 1388	3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	91
PID 3068 wrote to memory of 1388	3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	91
PID 3068 wrote to memory of 1388	3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	91
PID 3068 wrote to memory of 1388	3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	91
PID 3068 wrote to memory of 1388	3068	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	91

C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
"C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.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:3068
- C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
  "C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:1388

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsk857D.tmp\System.dll

Filesize
12KB

MD5
dd87a973e01c5d9f8e0fcc81a0af7c7a

SHA1
c9206ced48d1e5bc648b1d0f54cccc18bf643a14

SHA256
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1

SHA512
4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f

Download Submit
memory/1388-22-0x0000000077745000-0x0000000077746000-memory.dmp

Filesize
4KB

Download
memory/1388-19-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/1388-20-0x0000000001660000-0x0000000002706000-memory.dmp

Filesize
16.6MB

Download
memory/1388-21-0x0000000077728000-0x0000000077729000-memory.dmp

Filesize
4KB

Download
memory/1388-35-0x0000000001660000-0x0000000002706000-memory.dmp

Filesize
16.6MB

Download
memory/1388-36-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/1388-37-0x00000000776A1000-0x00000000777C1000-memory.dmp

Filesize
1.1MB

Download
memory/3068-15-0x00000000776A1000-0x00000000777C1000-memory.dmp

Filesize
1.1MB

Download
memory/3068-16-0x0000000074B45000-0x0000000074B46000-memory.dmp

Filesize
4KB

Download
memory/3068-17-0x0000000003180000-0x0000000004226000-memory.dmp

Filesize
16.6MB

Download
memory/3068-18-0x0000000003180000-0x0000000004226000-memory.dmp

Filesize
16.6MB

Download
memory/3068-14-0x0000000003180000-0x0000000004226000-memory.dmp

Filesize
16.6MB

Download