guloader | 2755e95a38fb5e5b3af3aea557601b9261004a3201219dfb704e28e60a06dfa3

General

Target

2755e95a38fb5e5b3af3aea557601b9261004a3201219dfb704e28e60a06dfa3.exe
Size

979KB
Sample

241211-cremfawjem
MD5

b42344ed3b26fedfcafd2a8626557723
SHA1

632b82c943b1c3b293a164df76eb7d94391ba0f7
SHA256

2755e95a38fb5e5b3af3aea557601b9261004a3201219dfb704e28e60a06dfa3
SHA512

ee22dfb0e084ac77050aee6fea65373f71c96f43e7da14655bfa6487bdf2332fc6aa9581927abc2880318513e695c48d355bd1499733dc3a6f850b63a2b8fc4e
SSDEEP

24576:9jwKCNozIZAO5i1XamIP2J5k0++IHsoQastZ1Pkm:V1CiUb5kXN0Kk9+IHXzsnWm

Score

10^/10

Malware Config

Targets

- Target
  
  2755e95a38fb5e5b3af3aea557601b9261004a3201219dfb704e28e60a06dfa3.exe
- Size
  
  979KB
- MD5
  
  b42344ed3b26fedfcafd2a8626557723
- SHA1
  
  632b82c943b1c3b293a164df76eb7d94391ba0f7
- SHA256
  
  2755e95a38fb5e5b3af3aea557601b9261004a3201219dfb704e28e60a06dfa3
- SHA512
  
  ee22dfb0e084ac77050aee6fea65373f71c96f43e7da14655bfa6487bdf2332fc6aa9581927abc2880318513e695c48d355bd1499733dc3a6f850b63a2b8fc4e
- SSDEEP
  
  24576:9jwKCNozIZAO5i1XamIP2J5k0++IHsoQastZ1Pkm:V1CiUb5kXN0Kk9+IHXzsnWm
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