cryptbot

General

Target

32_64_ver_2_bit.exe
Size

1.7MB
Sample

210226-jfstwbym1a
MD5

35ebd08cb45b5639b14457d135b4f8b7
SHA1

e5032a7606a30ba3a9f5e96e8bf40620a56ca93d
SHA256

814333494d8a2ccf5fc6c4908d875e5db6fd91d9f4cb45109cd4fc6c440a2c06
SHA512

b867b86467af4682cea753848c25c3aab4749718f1ef43b4876a94d1524e5d7192412a03820c8d1b3c37aa1e4d7672d9635221012feab55ad2cd5834965a3e4a

Score

10^/10

Malware Config

Targets

- Target
  
  32_64_ver_2_bit.exe
- Size
  
  1.7MB
- MD5
  
  35ebd08cb45b5639b14457d135b4f8b7
- SHA1
  
  e5032a7606a30ba3a9f5e96e8bf40620a56ca93d
- SHA256
  
  814333494d8a2ccf5fc6c4908d875e5db6fd91d9f4cb45109cd4fc6c440a2c06
- SHA512
  
  b867b86467af4682cea753848c25c3aab4749718f1ef43b4876a94d1524e5d7192412a03820c8d1b3c37aa1e4d7672d9635221012feab55ad2cd5834965a3e4a
Score

10^/10

cryptbot xmrig discovery evasion miner spyware stealer upx
- CryptBot
  A C++ stealer distributed widely in bundle with other software.
  spyware stealer cryptbot
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- XMRig Miner Payload
  miner
- Blocklisted process makes network request
- Downloads MZ/PE file
- Executes dropped EXE
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- 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.
- Drops startup file
- Identifies Wine through registry keys
  Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
  evasion
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads data files stored by FTP clients
  Tries to access configuration files associated with programs like FileZilla.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  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
- 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.
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2