guloader | 26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5

General

Target

26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5.exe
Size

445KB
Sample

250111-c4dwnszkgy
MD5

a19ab2b228f001f8507e2f4e20eee8c9
SHA1

22eb01f357eb0e718d6c686d88902f1179a4674f
SHA256

26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5
SHA512

5e0363f725bdd7027c7c3fd9a5fa63bd32e2a5d285824ac70405942ab0aea014cf5daae98979816692571405d89c1f1b88a8c6d143924af6cc3592b3a40c394e
SSDEEP

12288:I5Ag3K5G2YSEWFup7itYESLeYu7Jj1JK8s5FEeKy:Zg65vYSEWFoDu7Jj1JiceX

Score

10^/10

Malware Config

Targets

- Target
  
  26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5.exe
- Size
  
  445KB
- MD5
  
  a19ab2b228f001f8507e2f4e20eee8c9
- SHA1
  
  22eb01f357eb0e718d6c686d88902f1179a4674f
- SHA256
  
  26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5
- SHA512
  
  5e0363f725bdd7027c7c3fd9a5fa63bd32e2a5d285824ac70405942ab0aea014cf5daae98979816692571405d89c1f1b88a8c6d143924af6cc3592b3a40c394e
- SSDEEP
  
  12288:I5Ag3K5G2YSEWFup7itYESLeYu7Jj1JK8s5FEeKy:Zg65vYSEWFoDu7Jj1JiceX
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