smokeloader

General

Target

874bcf36482b83f3df470655e985e29b.exe
Size

162KB
Sample

210329-paag9498aa
MD5

874bcf36482b83f3df470655e985e29b
SHA1

bbcfeea3e3b437680cbf14c8016b3954cac1398a
SHA256

1c259208bdea5d896335c7a22d7a3048e4cfe0c7578a466f8faad880446f4e02
SHA512

688cd7b19786c7c41079a1867a394ade9ed1201f10f38c408d52bae8da9edcd42b433ae979de6b68ed4bbf628201228c45ec4d9a03987851782265c19b0da8c6

Score

10^/10

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://xsss99.icu/upload/

http://bingooodsg.icu/upload/

http://junntd.xyz/upload/

http://ginessa11.xyz/upload/

http://overplayninsx.xyz/upload/

http://bananinze.com/upload/

http://daunimlas.com/upload/

rc4.i32

Targets

- Target
  
  874bcf36482b83f3df470655e985e29b.exe
- Size
  
  162KB
- MD5
  
  874bcf36482b83f3df470655e985e29b
- SHA1
  
  bbcfeea3e3b437680cbf14c8016b3954cac1398a
- SHA256
  
  1c259208bdea5d896335c7a22d7a3048e4cfe0c7578a466f8faad880446f4e02
- SHA512
  
  688cd7b19786c7c41079a1867a394ade9ed1201f10f38c408d52bae8da9edcd42b433ae979de6b68ed4bbf628201228c45ec4d9a03987851782265c19b0da8c6
Score

10^/10

smokeloader taurus_stealer tofsee backdoor discovery evasion persistence spyware stealer trojan bootkit
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Taurus Stealer
  Taurus is an infostealer first seen in June 2020.
  trojan stealer taurus_stealer
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Creates new service(s)
  persistence
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- Sets service image path in registry
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Deletes itself
- Loads dropped DLL
- Modifies file permissions
  discovery
- 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
- Adds Run key to start application
  persistence
- 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
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2