systembc

General

Target

8c8fd0120327d4795bcf8fcf2ce131a480ae41cf200e844bc1eb0185cd2d3741
Size

1.6MB
Sample

220118-vd2h6acccl
MD5

b5d3bb71ea746a115af16ec859cb0cbf
SHA1

8a56a6da989c5a1e4bceea554de821387e9e01e7
SHA256

8c8fd0120327d4795bcf8fcf2ce131a480ae41cf200e844bc1eb0185cd2d3741
SHA512

9025428ba9c3c48863a6415603e5e1b157f548fb3e637ee31e21eaa7a0a6c3bd8a535fae2a17ad27ea937ad5e9084ae3d3a8e16f85a49779ce2d66a351ac699e

Score

10^/10

Malware Config

Extracted

Family

vidar

Version

49.7

Botnet

1131

C2

https://mastodon.online/@prophef1

https://koyu.space/@prophef2

Attributes

profile_id
1131

Extracted

Family

systembc

C2

mainscpnl.xyz:4207

backpscpnl.xyz:4207

Targets

- Target
  
  8c8fd0120327d4795bcf8fcf2ce131a480ae41cf200e844bc1eb0185cd2d3741
- Size
  
  1.6MB
- MD5
  
  b5d3bb71ea746a115af16ec859cb0cbf
- SHA1
  
  8a56a6da989c5a1e4bceea554de821387e9e01e7
- SHA256
  
  8c8fd0120327d4795bcf8fcf2ce131a480ae41cf200e844bc1eb0185cd2d3741
- SHA512
  
  9025428ba9c3c48863a6415603e5e1b157f548fb3e637ee31e21eaa7a0a6c3bd8a535fae2a17ad27ea937ad5e9084ae3d3a8e16f85a49779ce2d66a351ac699e
Score

10^/10

systembc vidar 1131 discovery evasion spyware stealer suricata trojan
- SystemBC
  SystemBC is a proxy and remote administration tool first seen in 2019.
  trojan systembc
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
  suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata
- suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Vidar Stealer
  stealer
- Downloads MZ/PE file
- Executes dropped EXE
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1