guloader | 164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729

General

Target

164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729.exe
Size

861KB
Sample

250205-dy4etaxjey
MD5

b062dbccf2a25f8a5a029fdc818ff871
SHA1

420b7a11723cf2baa977be0c37ccfa4ee1c55c9c
SHA256

164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729
SHA512

32f0bcf8077c119d73b27be16049b8f0dccdbf3cf160c7782df218c761475bc3f31c0f6f47a76b9c467334d4dd704320e16c0e930ee0d3544aa307858a8b6199
SSDEEP

24576:QPyqE0GP4TDRiB9P+/c0P3j/kSQ7KHuReqr/sblNP9Ex5:IE0K330j/usWp/sblNVE7

Score

10^/10

Malware Config

Targets

- Target
  
  164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729.exe
- Size
  
  861KB
- MD5
  
  b062dbccf2a25f8a5a029fdc818ff871
- SHA1
  
  420b7a11723cf2baa977be0c37ccfa4ee1c55c9c
- SHA256
  
  164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729
- SHA512
  
  32f0bcf8077c119d73b27be16049b8f0dccdbf3cf160c7782df218c761475bc3f31c0f6f47a76b9c467334d4dd704320e16c0e930ee0d3544aa307858a8b6199
- SSDEEP
  
  24576:QPyqE0GP4TDRiB9P+/c0P3j/kSQ7KHuReqr/sblNP9Ex5:IE0K330j/usWp/sblNVE7
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