MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42c6787fac49fff1f3b622983357d0346048598dd8c7f790fcabd5ed5503a127. 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 3 File information Comments

SHA256 hash: 42c6787fac49fff1f3b622983357d0346048598dd8c7f790fcabd5ed5503a127
SHA3-384 hash: 00ae4cfe183b7c2a6067daa8fad321edef8e273c2b5c97ca75ee029c2315e925e83f6b3d36f06b2b6cdc82d3a96657e7
SHA1 hash: 5f8b811f0df1a5c7c5de0d7d20965809b120e034
MD5 hash: 0473a8e8e6d92ece5fe21d23552391d2
humanhash: item-magazine-mars-salami
File name:file
Download: download sample
Signature CryptBot
File size:4'480'000 bytes
First seen:2024-11-27 07:27:58 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:RGCAIUSneoynPr5223W8WE52/yXX7u++Rr80hKw:RYITe/nPr522nWEm3++RdKw
TLSH T10B26330C5D3AA539C2F74DBD3B53150A17BC0BC25BB0FE199EC162A3AEEB68475A5031
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 :
470
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-27 07:30:25 UTC
Tags:
antivm themida stealer cryptbot crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
phishing trojan virus hype
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Sending an HTTP POST request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected
Result
Threat name:
Clipboard Hijacker, Cryptbot
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
Drops large PE files
Found evasive API chain (may stop execution after checking mutex)
Found stalling execution ending in API Sleep call
Hides threads from debuggers
Leaks process information
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sigma detected: Suspicious Scheduled Task Creation Involving Temp Folder
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 (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)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Clipboard Hijacker
Yara detected Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1563602 Sample: file.exe Startdate: 27/11/2024 Architecture: WINDOWS Score: 100 41 home.twentykm20sr.top 2->41 53 Suricata IDS alerts for network traffic 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 7 other signatures 2->59 8 file.exe 5 3 2->8         started        13 service123.exe 2->13         started        15 service123.exe 2->15         started        17 service123.exe 2->17         started        signatures3 process4 dnsIp5 43 twentykm20sr.top 213.171.8.162, 49705, 49706, 49747 NETCOMLINK-ASRU Russian Federation 8->43 45 httpbin.org 18.208.8.205, 443, 49704 AMAZON-AESUS United States 8->45 47 2 other IPs or domains 8->47 37 C:\Users\user\AppData\...\service123.exe, PE32 8->37 dropped 39 C:\Users\user\...\hZCNySjZlYfWBEqFJwFF.dll, PE32 8->39 dropped 65 Attempt to bypass Chrome Application-Bound Encryption 8->65 67 Tries to detect sandboxes and other dynamic analysis tools (window names) 8->67 69 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->69 71 8 other signatures 8->71 19 service123.exe 8->19         started        22 WerFault.exe 19 16 8->22         started        25 chrome.exe 8->25         started        28 schtasks.exe 1 8->28         started        file6 signatures7 process8 dnsIp9 61 Found evasive API chain (may stop execution after checking mutex) 19->61 63 Found stalling execution ending in API Sleep call 19->63 35 C:\ProgramData\Microsoft\...\Report.wer, Unicode 22->35 dropped 49 239.255.255.250 unknown Reserved 25->49 30 chrome.exe 25->30         started        33 conhost.exe 28->33         started        file10 signatures11 process12 dnsIp13 51 www.google.com 142.250.181.68, 443, 49774, 49778 GOOGLEUS United States 30->51
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-11-27 07:28:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
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)
Verdict:
Suspicious
Tags:
Suspicious_POST_body
YARA:
n/a
Unpacked files
SH256 hash:
a9617a64ab79242fbde95d1693f7cf43e7ba184dfeb743a312cf645c3aa17473
MD5 hash:
b260b9e498a84107ddc7f1effba772eb
SHA1 hash:
659e12b8669491eec844332459751d4982f64d26
SH256 hash:
42c6787fac49fff1f3b622983357d0346048598dd8c7f790fcabd5ed5503a127
MD5 hash:
0473a8e8e6d92ece5fe21d23552391d2
SHA1 hash:
5f8b811f0df1a5c7c5de0d7d20965809b120e034
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)

File information


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

Web download

CryptBot

Executable exe 42c6787fac49fff1f3b622983357d0346048598dd8c7f790fcabd5ed5503a127

(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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