cryptbot

General

Target

EbookReader2019.exe
Size

6.3MB
Sample

210117-b4j8cr5ts6
MD5

847c79e639fb34c2058728ca2fda7bd4
SHA1

7f1612cae512f41aa91fec27fab0dac73f65e4da
SHA256

8e866375a8d49db2282a0ef0d38667b38ee10bcb23fd63692c65749fb3217f2d
SHA512

05c5f5943a432c7e5080e8403d6ca1fa31ea1f47fb4820fed1ad14cd972caa7bb8f620500fa72fd4f66bba63820f6d1d984b6e370524e2ea71a0bf32688875bc

Score

10^/10

Malware Config

Targets

- Target
  
  EbookReader2019.exe
- Size
  
  6.3MB
- MD5
  
  847c79e639fb34c2058728ca2fda7bd4
- SHA1
  
  7f1612cae512f41aa91fec27fab0dac73f65e4da
- SHA256
  
  8e866375a8d49db2282a0ef0d38667b38ee10bcb23fd63692c65749fb3217f2d
- SHA512
  
  05c5f5943a432c7e5080e8403d6ca1fa31ea1f47fb4820fed1ad14cd972caa7bb8f620500fa72fd4f66bba63820f6d1d984b6e370524e2ea71a0bf32688875bc
Score

10^/10

cryptbot discovery evasion spyware stealer
- CryptBot
  A C++ stealer distributed widely in bundle with other software.
  spyware stealer cryptbot
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Executes dropped EXE
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- 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
- 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