MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a9db782564f0af4f45ce9829e0b2f10024102c13fa28920fce2186f849edf76. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 8a9db782564f0af4f45ce9829e0b2f10024102c13fa28920fce2186f849edf76
SHA3-384 hash: 94f4f995bce070febcf7d3aa1af6d83ec6f54f2f0c0b64ca25e132be9049f2e39f2e56deb8963af906311bd738f35e08
SHA1 hash: a780ef02e5f96460ad7b8a98bcc7ae6ab1f607fa
MD5 hash: 313afbb9950c27be690ce768d37ddb0c
humanhash: sierra-jersey-purple-ten
File name:file
Download: download sample
Signature CryptBot
File size:4'400'640 bytes
First seen:2024-11-24 19:33:07 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:QdVpHH3sQLPAum5CRzyRQJpaHgwU95xMF58fDNtLZJkJAZZq:WHXZrAuECRzyRQ6bUm8fZt90
TLSH T1A816339A58CB903DC476C8FFEE0EDCAA8480ED16DEAC3F867422E12155114197DF68B6
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 Bitsight
Tags:CryptBot exe


Avatar
Bitsight
url: http://31.41.244.11/files/random.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
510
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-24 19:33:26 UTC
Tags:
stealer cryptbot themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
vmdetect phishing autorun
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
Connection attempt
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Result
Threat name:
Cryptbot
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Suricata IDS alerts for network traffic
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 (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Yara detected Cryptbot
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.Tinba
Status:
Malicious
First seen:
2024-11-24 19:34:12 UTC
File Type:
PE (Exe)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Cryptbot family
Detects CryptBot payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2c1cda1957900c8230282312fcdfea7b1e21bb3369864fb96c9743059bccacb1
MD5 hash:
e62e10994a4ac81aaad38248123fd3d2
SHA1 hash:
27001dbf2cc71cf2e1f76fafe703a0b3afa21739
SH256 hash:
8a9db782564f0af4f45ce9829e0b2f10024102c13fa28920fce2186f849edf76
MD5 hash:
313afbb9950c27be690ce768d37ddb0c
SHA1 hash:
a780ef02e5f96460ad7b8a98bcc7ae6ab1f607fa
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 8a9db782564f0af4f45ce9829e0b2f10024102c13fa28920fce2186f849edf76

(this sample)

  
Dropped by
Amadey
  
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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