MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 636409b4be606209facf48c0672621c8e32f846c36c4914ae43354a6138bc2cc. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



CryptBot


Vendor detections: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 636409b4be606209facf48c0672621c8e32f846c36c4914ae43354a6138bc2cc
SHA3-384 hash: 86990f1ef9b886ef411e5867339994aee16c2b40f422e52ac778e06630a6557e0fac877d1fa015ef36cb4a1947100e2e
SHA1 hash: 83f2683ad6b1bdbb17cab1fb6d23a49661c73250
MD5 hash: a71d02103179706bdb16d32c4a635d4c
humanhash: avocado-beryllium-august-princess
File name:a71d02103179706bdb16d32c4a635d4c.exe
Download: download sample
Signature CryptBot
File size:2'788'864 bytes
First seen:2022-03-16 08:10:34 UTC
Last seen:2022-03-16 09:30:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6985c05c81106254b2fb2149ec38edcf (6 x CryptBot)
ssdeep 49152:0xXqoT4Noplzi3OQUH0iSclcfrjWRW8Gj8hXeWQpgUq398zG7F7dWR:0xDZpxVNSc6fRMteB4N8oFdWR
Threatray 14'340 similar samples on MalwareBazaar
TLSH T125D533F60237947FF78234FA836EE4530171D2E4E711D2D82D3BE14A0125F8E2E69AA5
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Creating a file in the %temp% subdirectories
DNS request
Sending an HTTP POST request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Cryptbot
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Cryptbot
Behaviour
Behavior Graph:
Threat name:
Win32.Packed.Themida
Status:
Malicious
First seen:
2022-03-15 18:28:16 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 27 (85.19%)
Threat level:
  1/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer themida trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Reads user/profile data of web browsers
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Malware Config
C2 Extraction:
sapuea22.top
Unpacked files
SH256 hash:
e96ec46f99447b58e48d7fe9cc1d39fb9486431f6eb005aaa72c9ca36dc56c3e
MD5 hash:
77e20b8cd212db8c5ff0172d5e05c518
SHA1 hash:
3d7d6f04feb2ffe3e8c3031888d6f4d88e14c3c7
SH256 hash:
636409b4be606209facf48c0672621c8e32f846c36c4914ae43354a6138bc2cc
MD5 hash:
a71d02103179706bdb16d32c4a635d4c
SHA1 hash:
83f2683ad6b1bdbb17cab1fb6d23a49661c73250
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:MALWARE_Win_CryptBot
Author:ditekSHen
Description:CryptBot/Fugrafa stealer payload
Rule name:Redline_Stealer_Monitor
Description:Detects RedLine Stealer Variants

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

CryptBot

Executable exe 636409b4be606209facf48c0672621c8e32f846c36c4914ae43354a6138bc2cc

(this sample)

  
Delivery method
Distributed via web download

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