guloader | 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9

General

Target

7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe
Size

464KB
Sample

241217-d1xp2szpam
MD5

fd9335d7160883534e42839297a65c7d
SHA1

80cd18a77f7896e06adc5bb4eb544e6c7e5bad5d
SHA256

7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9
SHA512

18661ad7313f2d366083ac000e48e86bb8c5ec889494ade7488ef7dc81a97adc867753100517d5d86a2e76b283672e1c958811d7f0ffa735388aa88a1cd7dda8
SSDEEP

12288:I5AzzWpSFt+rLm8vGaQ/Zwu7Jj1JK8s5FEeKW:ZzzMSFOLmQGaQ/Zwu7Jj1Jicev

Score

10^/10

Malware Config

Targets

- Target
  
  7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe
- Size
  
  464KB
- MD5
  
  fd9335d7160883534e42839297a65c7d
- SHA1
  
  80cd18a77f7896e06adc5bb4eb544e6c7e5bad5d
- SHA256
  
  7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9
- SHA512
  
  18661ad7313f2d366083ac000e48e86bb8c5ec889494ade7488ef7dc81a97adc867753100517d5d86a2e76b283672e1c958811d7f0ffa735388aa88a1cd7dda8
- SSDEEP
  
  12288:I5AzzWpSFt+rLm8vGaQ/Zwu7Jj1JK8s5FEeKW:ZzzMSFOLmQGaQ/Zwu7Jj1Jicev
Score

10^/10

guloader discovery downloader evasion spyware stealer collection
- 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.
- Drops file in System32 directory
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2
- Target
  
  $PLUGINSDIR/System.dll
- Size
  
  11KB
- MD5
  
  ee260c45e97b62a5e42f17460d406068
- SHA1
  
  df35f6300a03c4d3d3bd69752574426296b78695
- SHA256
  
  e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
- SHA512
  
  a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3
- SSDEEP
  
  192:eF24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol9Sl:h8QIl975eXqlWBrz7YLOl9
Score

3^/10

discovery
behavioral3 behavioral4