guloader | 9c2d1e2dc9170158a8fef8393fd58306f918ceb15701465c4e21040be94233c2

Analysis

max time kernel
84s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/09/2024, 09:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

List of Items0001.doc.exe
Size

617KB
MD5

6d3da95a3e1f5861a54c30dd61f80c02
SHA1

74e6fb42c2de33b6b9dcd45aa86db1b99c8c2135
SHA256

9c2d1e2dc9170158a8fef8393fd58306f918ceb15701465c4e21040be94233c2
SHA512

70c23ed78a8d369c78073504d6bc4b5fd1ee89e7708318706d4c4108e2d2257381634b12326d546eb51c76fefc0d98cf7863c4ac6bc7857dfe46217ce4a87302
SSDEEP

6144:YYa6vEsNe5YZ0thEQftDn2IeudqgiYxOJ2Hd2Wn49rVzOpb4o4/aZJZCrXmxhz3f:YY+T5LbtDOgiYQQ9tUVm4d2d5c737+

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
2952	List of Items0001.doc.exe
2952	List of Items0001.doc.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
2188	2952	WerFault.exe	28

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	List of Items0001.doc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2188	2952	List of Items0001.doc.exe	29
PID 2952 wrote to memory of 2188	2952	List of Items0001.doc.exe	29
PID 2952 wrote to memory of 2188	2952	List of Items0001.doc.exe	29
PID 2952 wrote to memory of 2188	2952	List of Items0001.doc.exe	29

C:\Users\Admin\AppData\Local\Temp\List of Items0001.doc.exe
"C:\Users\Admin\AppData\Local\Temp\List of Items0001.doc.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 540
  2⤵
  - Program crash
  PID:2188

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nszF691.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
memory/2952-18-0x0000000003960000-0x0000000004574000-memory.dmp

Filesize
12.1MB

Download
memory/2952-19-0x0000000003960000-0x0000000004574000-memory.dmp

Filesize
12.1MB

Download