guloader | 87914002d7ad26ca003996e4519a72bf4768ce5557cc8b591228de2c21393432

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10-02-2025 15:46

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General

Target

Zamówienie na sprzęt.exe
Size

742KB
MD5

20a7c8112e5876adb90550f2fe0c78de
SHA1

1671082a2bf6cb091364ac4c8520c20aefc7cb8a
SHA256

702ceddaa83348514f637a06c19a476999b3a391a7de4fc49efe9fa368fcaa62
SHA512

1fe26d1e00a156d7c73acc7cdc62c9f5e7a822099d70ce8f0fc7155a5d2215ba353aac1caff9de3b823e45e0ecac879ede1c7a36ceea9b0e6d5f5d3b52f3019a
SSDEEP

12288:EnPdlO7MQiTrKAEYNKoFfwtJr1zLlKsc6NdELyMdj2XHyQs2NMh4vp4zaS7+:UPdliMQsDR8o5C7zLrPELZ23yQRN1Gb7

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
2076	Zamówienie na sprzęt.exe
2076	Zamówienie na sprzęt.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2248	2076	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	Zamówienie na sprzęt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2248	2076	Zamówienie na sprzęt.exe	31
PID 2076 wrote to memory of 2248	2076	Zamówienie na sprzęt.exe	31
PID 2076 wrote to memory of 2248	2076	Zamówienie na sprzęt.exe	31
PID 2076 wrote to memory of 2248	2076	Zamówienie na sprzęt.exe	31

C:\Users\Admin\AppData\Local\Temp\Zamówienie na sprzęt.exe
"C:\Users\Admin\AppData\Local\Temp\Zamówienie na sprzęt.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 564
  2⤵
  - Program crash
  PID:2248

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

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsdB195.tmp\System.dll

Filesize
12KB

MD5
4add245d4ba34b04f213409bfe504c07

SHA1
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

SHA256
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

SHA512
1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

Download Submit
memory/2076-23-0x0000000004350000-0x0000000005100000-memory.dmp

Filesize
13.7MB

Download
memory/2076-24-0x0000000004350000-0x0000000005100000-memory.dmp

Filesize
13.7MB

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