guloader | 32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2

General

Target

32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe
Size

490KB
Sample

250110-r789baxnbt
MD5

65eea9949b624401ea78aaf28072ab3f
SHA1

fbbe105c42a0ad822625a5242d854357f956886c
SHA256

32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2
SHA512

e69ca3c97573d5a60b38b764ceadc37420ea069d6850bf5457463579341792dd72612c364af733ff97b08eee5ed2520fc258a0d0b451961deb733ef3deac0654
SSDEEP

12288:I5A0bwojpe9Ic0h0mdkHApqk90HINf0s1nriyiu7Jj1JK8s5FEeKR:Z0sojp4IZhfqHApZOizgu7Jj1JiceY

Score

10^/10

Malware Config

Targets

- Target
  
  32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe
- Size
  
  490KB
- MD5
  
  65eea9949b624401ea78aaf28072ab3f
- SHA1
  
  fbbe105c42a0ad822625a5242d854357f956886c
- SHA256
  
  32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2
- SHA512
  
  e69ca3c97573d5a60b38b764ceadc37420ea069d6850bf5457463579341792dd72612c364af733ff97b08eee5ed2520fc258a0d0b451961deb733ef3deac0654
- SSDEEP
  
  12288:I5A0bwojpe9Ic0h0mdkHApqk90HINf0s1nriyiu7Jj1JK8s5FEeKR:Z0sojp4IZhfqHApZOizgu7Jj1JiceY
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