guloader | 815d6b508fab5d16a8190a479fb4b72a3916d9afe21393eeb506098cb1a93c3a

General

Target

815d6b508fab5d16a8190a479fb4b72a3916d9afe21393eeb506098cb1a93c3a.exe
Size

974KB
Sample

250111-ek4n4aspdy
MD5

ed6f1c14e085e4fbc7c47f894f2140b9
SHA1

1757c800b765345d51a261e11ebe1d89f05c4865
SHA256

815d6b508fab5d16a8190a479fb4b72a3916d9afe21393eeb506098cb1a93c3a
SHA512

2b4e7c8669272fd353516d9ba3931536106d480fa11731b445715830098f3f74884f661702bdf25e3d50d1424920f08e1743b2ff4ca65291f3a8f3f98c7fe385
SSDEEP

24576:9jwKCNd9QdnQK3gxR4Fm9/brSz8pCKDzJyhb1hy5xVgQ7O:V1CqnQc6YKPJyhbzyziV

Score

10^/10

Malware Config

Targets

- Target
  
  815d6b508fab5d16a8190a479fb4b72a3916d9afe21393eeb506098cb1a93c3a.exe
- Size
  
  974KB
- MD5
  
  ed6f1c14e085e4fbc7c47f894f2140b9
- SHA1
  
  1757c800b765345d51a261e11ebe1d89f05c4865
- SHA256
  
  815d6b508fab5d16a8190a479fb4b72a3916d9afe21393eeb506098cb1a93c3a
- SHA512
  
  2b4e7c8669272fd353516d9ba3931536106d480fa11731b445715830098f3f74884f661702bdf25e3d50d1424920f08e1743b2ff4ca65291f3a8f3f98c7fe385
- SSDEEP
  
  24576:9jwKCNd9QdnQK3gxR4Fm9/brSz8pCKDzJyhb1hy5xVgQ7O:V1CqnQc6YKPJyhbzyziV
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