smokeloader

General

Target

sample49.exe
Size

326KB
Sample

230123-z3atysfe54
MD5

0e52ce86a2d20a563fabd3ec607bbc6f
SHA1

a6bc033ed4f146f2b8dc5b1ee2442d36d6688f62
SHA256

2c3198ff6c91c45d0ab3065676fdb89980d53ba8c51220fd42c3491eaea296ef
SHA512

70ac1ea1e1c739e70e25b233b46f18b8cfd4fa4bed643bf06f0503031b2704f9343aa305584446cfe7201b49d319967d3d33acf54348e29e32b1bbaf6c16729c
SSDEEP

6144:biR+Lhr4+AhY+r2BtyvFgBZ0tQK/fu1d0vmTb2:bJtr4+Ah8BiI2tQKXu1g

Score

10^/10

Malware Config

Extracted

Family

vidar

Version

2.2

Botnet

237

C2

https://t.me/litlebey

https://steamcommunity.com/profiles/76561199472399815

Attributes

profile_id
237

Targets

- Target
  
  sample49.exe
- Size
  
  326KB
- MD5
  
  0e52ce86a2d20a563fabd3ec607bbc6f
- SHA1
  
  a6bc033ed4f146f2b8dc5b1ee2442d36d6688f62
- SHA256
  
  2c3198ff6c91c45d0ab3065676fdb89980d53ba8c51220fd42c3491eaea296ef
- SHA512
  
  70ac1ea1e1c739e70e25b233b46f18b8cfd4fa4bed643bf06f0503031b2704f9343aa305584446cfe7201b49d319967d3d33acf54348e29e32b1bbaf6c16729c
- SSDEEP
  
  6144:biR+Lhr4+AhY+r2BtyvFgBZ0tQK/fu1d0vmTb2:bJtr4+Ah8BiI2tQKXu1g
Score

10^/10

smokeloader backdoor trojan vidar 237 discovery evasion spyware stealer upx
- Detects Smokeloader packer
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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 desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2