guloader | 2c399d3af3092bf9b9d0ed6c4b7bef3ac082cf09d9947adc9df12d11a6fea3d1

General

Target

2c399d3af3092bf9b9d0ed6c4b7bef3ac082cf09d9947adc9df12d11a6fea3d1.exe
Size

979KB
Sample

250110-r5bv2azlbr
MD5

89bb4eeab81b80681733b2d7df68289b
SHA1

655666fc351362a9aa37758163d3e3e63c6400b8
SHA256

2c399d3af3092bf9b9d0ed6c4b7bef3ac082cf09d9947adc9df12d11a6fea3d1
SHA512

629ba1abc689e0bb4754502d7a3c770eddb9d8a75dc3bb6ec09dfa349d681c3b8ae90631c943c7ad1a89e488a89085d411d96db0ef7702d64ca050db14018358
SSDEEP

24576:9jwKCNSDUFkaOGthsOeScPVoKCcHFYq4M7eq7kt:V1CiUVdXeSwWWYqaBt

Score

10^/10

Malware Config

Targets

- Target
  
  2c399d3af3092bf9b9d0ed6c4b7bef3ac082cf09d9947adc9df12d11a6fea3d1.exe
- Size
  
  979KB
- MD5
  
  89bb4eeab81b80681733b2d7df68289b
- SHA1
  
  655666fc351362a9aa37758163d3e3e63c6400b8
- SHA256
  
  2c399d3af3092bf9b9d0ed6c4b7bef3ac082cf09d9947adc9df12d11a6fea3d1
- SHA512
  
  629ba1abc689e0bb4754502d7a3c770eddb9d8a75dc3bb6ec09dfa349d681c3b8ae90631c943c7ad1a89e488a89085d411d96db0ef7702d64ca050db14018358
- SSDEEP
  
  24576:9jwKCNSDUFkaOGthsOeScPVoKCcHFYq4M7eq7kt:V1CiUVdXeSwWWYqaBt
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