guloader | 5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a

General

Target

5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a.exe
Size

956KB
Sample

250111-d4wxxsvjhq
MD5

2275024102505f0997f027c71970750d
SHA1

10a4feb8f216f86caa840ff85ba02c85e00e8665
SHA256

5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a
SHA512

1ebf7e71b121a3102d2de3c756761fe7e2efae90b2561912886da7d8a43fe9fcf29322d5f239cd21614847d9ec3c519b2d2a1213252cf3e1ee5dc622d4e24182
SSDEEP

24576:9jwKCNRVJ13mzBqtejjs3RgG9vWciasTKafa0aULP:V1CLFyqtukfiaJaCUP

Score

10^/10

Malware Config

Targets

- Target
  
  5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a.exe
- Size
  
  956KB
- MD5
  
  2275024102505f0997f027c71970750d
- SHA1
  
  10a4feb8f216f86caa840ff85ba02c85e00e8665
- SHA256
  
  5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a
- SHA512
  
  1ebf7e71b121a3102d2de3c756761fe7e2efae90b2561912886da7d8a43fe9fcf29322d5f239cd21614847d9ec3c519b2d2a1213252cf3e1ee5dc622d4e24182
- SSDEEP
  
  24576:9jwKCNRVJ13mzBqtejjs3RgG9vWciasTKafa0aULP:V1CLFyqtukfiaJaCUP
Score

10^/10

discovery guloader collection downloader evasion spyware stealer
- Guloader family
  guloader
- Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- Disables Task Manager via registry modification
  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
- Suspicious use of SetThreadContext
behavioral1 behavioral2
- Target
  
  $PLUGINSDIR/System.dll
- Size
  
  12KB
- MD5
  
  0d7ad4f45dc6f5aa87f606d0331c6901
- SHA1
  
  48df0911f0484cbe2a8cdd5362140b63c41ee457
- SHA256
  
  3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
- SHA512
  
  c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
- SSDEEP
  
  192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
Score

3^/10

discovery
behavioral3 behavioral4