guloader | fc94d179b05d50bcaa14523b241ee1652fde502bb7a3a27727e0892d39452963

General

Target

fc94d179b05d50bcaa14523b241ee1652fde502bb7a3a27727e0892d39452963.exe
Size

434KB
Sample

241219-fa6alsymcv
MD5

8ee319986da68b9b96c808c9f159459a
SHA1

c8fea79c996780d876068e7f50b5f354d690a164
SHA256

fc94d179b05d50bcaa14523b241ee1652fde502bb7a3a27727e0892d39452963
SHA512

00bafa0a476db01d84c8cfd2129ee8dde8615a78b48ec73344a58d239f00455df49e20519050e9fa9bdaa8748eead12d0b5fbf989d2dabd8a36f14ae2dde72a0
SSDEEP

12288:I5AsKs+wNUKZsmy+Si/FwJtyeap2JX+Hu7Jj1JK8s5FEeKZ:ZSLR2myNiFwJqwJXqu7Jj1Jicew

Score

10^/10

Malware Config

Targets

- Target
  
  fc94d179b05d50bcaa14523b241ee1652fde502bb7a3a27727e0892d39452963.exe
- Size
  
  434KB
- MD5
  
  8ee319986da68b9b96c808c9f159459a
- SHA1
  
  c8fea79c996780d876068e7f50b5f354d690a164
- SHA256
  
  fc94d179b05d50bcaa14523b241ee1652fde502bb7a3a27727e0892d39452963
- SHA512
  
  00bafa0a476db01d84c8cfd2129ee8dde8615a78b48ec73344a58d239f00455df49e20519050e9fa9bdaa8748eead12d0b5fbf989d2dabd8a36f14ae2dde72a0
- SSDEEP
  
  12288:I5AsKs+wNUKZsmy+Si/FwJtyeap2JX+Hu7Jj1JK8s5FEeKZ:ZSLR2myNiFwJqwJXqu7Jj1Jicew
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