guloader | 03fcc5d97d3ff4e8fb734aed8c29e0e4680f3f27ddbd67acf90d2c5bac259960

General

Target

Request for Quotation_0202025_pdf.exe
Size

859KB
Sample

250204-qc85dswray
MD5

e8d824d5dc4a54bab80b87ffc437f736
SHA1

41cfb942e1e7e344d721924526ccf066a9372153
SHA256

03fcc5d97d3ff4e8fb734aed8c29e0e4680f3f27ddbd67acf90d2c5bac259960
SHA512

7492ec3ccad3cf663680cf9b4979e0e7186c345e7150cb74af5cff942c4dea3cd7a0e23c21a57713e69a41cc87c0c523064dc6e6b5d01fc7e06773b6127e8ed8
SSDEEP

24576:QPyqE0GP4TqyTbZtOgbsf/iuReqr/sblNP9ExO:IE0YybZ4KWp/sblNVE8

Score

10^/10

Malware Config

Targets

- Target
  
  Request for Quotation_0202025_pdf.exe
- Size
  
  859KB
- MD5
  
  e8d824d5dc4a54bab80b87ffc437f736
- SHA1
  
  41cfb942e1e7e344d721924526ccf066a9372153
- SHA256
  
  03fcc5d97d3ff4e8fb734aed8c29e0e4680f3f27ddbd67acf90d2c5bac259960
- SHA512
  
  7492ec3ccad3cf663680cf9b4979e0e7186c345e7150cb74af5cff942c4dea3cd7a0e23c21a57713e69a41cc87c0c523064dc6e6b5d01fc7e06773b6127e8ed8
- SSDEEP
  
  24576:QPyqE0GP4TqyTbZtOgbsf/iuReqr/sblNP9ExO:IE0YybZ4KWp/sblNVE8
Score

10^/10

guloader defense_evasion discovery downloader evasion spyware stealer trojan collection
- Guloader family
  guloader
- Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- Modifies Windows Defender DisableAntiSpyware settings
  evasion trojan
- Disables Task Manager via registry modification
  defense_evasion
- Loads dropped DLL
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses Microsoft Outlook profiles
  collection
- Legitimate hosting services abused for malware hosting/C2
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2
- Target
  
  $PLUGINSDIR/System.dll
- Size
  
  11KB
- MD5
  
  a4dd044bcd94e9b3370ccf095b31f896
- SHA1
  
  17c78201323ab2095bc53184aa8267c9187d5173
- SHA256
  
  2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
- SHA512
  
  87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
- SSDEEP
  
  192:em24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlESl:m8QIl975eXqlWBrz7YLOlE
Score

3^/10

discovery
behavioral3 behavioral4