guloader | 7a4fd260c41cbac29db7929cf2f2b457a97c564ffc145cdce30f8ce37529b800

General

Target

Request for Quotation TX00171164_pdf.exe
Size

869KB
Sample

250217-ntntnsymbp
MD5

c8c9b10e2c7b2965853834236a0e67e2
SHA1

075aa7e4daa62dafac2714eea8fb6583743a6276
SHA256

7a4fd260c41cbac29db7929cf2f2b457a97c564ffc145cdce30f8ce37529b800
SHA512

0b98007272f18edf7c6d0eeb111721e9b6961a39e728f6743179bf7691b82464f517b419f31ec0135674963e1d20278ee3dd32926d4cfb1af4aacd99c5f94bd3
SSDEEP

24576:Q4nbY9dZZZZZZZZZZyAUeaBHsS9aD+ije2MtOvvV3HQmhQ436/zq:Q+qZZZZZZZZZZvUfOvertOvv1wzq6G

Score

10^/10

Malware Config

Targets

- Target
  
  Request for Quotation TX00171164_pdf.exe
- Size
  
  869KB
- MD5
  
  c8c9b10e2c7b2965853834236a0e67e2
- SHA1
  
  075aa7e4daa62dafac2714eea8fb6583743a6276
- SHA256
  
  7a4fd260c41cbac29db7929cf2f2b457a97c564ffc145cdce30f8ce37529b800
- SHA512
  
  0b98007272f18edf7c6d0eeb111721e9b6961a39e728f6743179bf7691b82464f517b419f31ec0135674963e1d20278ee3dd32926d4cfb1af4aacd99c5f94bd3
- SSDEEP
  
  24576:Q4nbY9dZZZZZZZZZZyAUeaBHsS9aD+ije2MtOvvV3HQmhQ436/zq:Q+qZZZZZZZZZZvUfOvertOvv1wzq6G
Score

10^/10

discovery guloader collection downloader spyware stealer
- Guloader family
  guloader
- Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- Downloads MZ/PE file
- Loads dropped DLL
- Reads WinSCP keys stored on the system
  Tries to access WinSCP stored sessions.
  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
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2
- Target
  
  $PLUGINSDIR/System.dll
- Size
  
  12KB
- MD5
  
  d6f54d2cefdf58836805796f55bfc846
- SHA1
  
  b980addc1a755b968dd5799179d3b4f1c2de9d2d
- SHA256
  
  f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
- SHA512
  
  ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db
- SSDEEP
  
  192:acA1YOTDExj7EFrYCT4E8y3hoSdtTgwF43E7QbGPXI9uIc6w79Mw:RR7SrtTv53tdtTgwF4SQbGPX36wJMw
Score

8^/10

discovery
- Downloads MZ/PE file
behavioral3 behavioral4