MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876
SHA3-384 hash: 0c7aef33d98f8cb161483f597d4f39d8d1bd14538b7dd69cff2c78355b19aecfe94033bc230197714ab66c231c9cd445
SHA1 hash: 3a47b6b89b789387e951e452ca2bf169c4cd0c3a
MD5 hash: 23a5d24635b116f7ff8a1835275027de
humanhash: triple-zebra-fix-vermont
File name:23a5d24635b116f7ff8a1835275027de.exe
Download: download sample
Signature CryptBot
File size:4'491'776 bytes
First seen:2024-12-28 08:30:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 98304:6EY9Gce3J/R37n7jcZOcLPGObJjGk1m1S0H2Ue0K7JDDYkpq+FUpJQpH:qGR3J/R3r7j8ObObJjGGOLWj17J/t8+V
TLSH T1F92633BE8134111CD6BE67BA5F8E3C50F2E8D1B76DC40788FACD9A3C45B7185A786818
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.5% (.EXE) Win32 Executable (generic) (4504/4/1)
8.4% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
373
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
23a5d24635b116f7ff8a1835275027de.exe
Verdict:
Malicious activity
Analysis date:
2024-12-28 09:16:22 UTC
Tags:
cryptbot stealer themida antivm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
vmdetect stealer virus zusy
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Connection attempt to an infection source
Creating a window
DNS request
Connection attempt
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
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:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Infostealer behavior detected
Leaks process information
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CryptBot
Status:
Malicious
First seen:
2024-12-27 20:41:43 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Cryptbot family
Verdict:
Suspicious
Tags:
suspicious_post_body
YARA:
n/a
Unpacked files
SH256 hash:
a982aa09bc651b36030d922bc7bcea6f739c286199e6c05f035120b19e79f8c0
MD5 hash:
889144661fb9a15271602659102890e5
SHA1 hash:
07975ef46ac7c0098d8e7279fe5b79224218070d
Detections:
CryptBot
SH256 hash:
897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876
MD5 hash:
23a5d24635b116f7ff8a1835275027de
SHA1 hash:
3a47b6b89b789387e951e452ca2bf169c4cd0c3a
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:pe_detect_tls_callbacks
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

CryptBot

Executable exe 897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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