MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2923c35e5ade61e0172237426733d7460f2978e1da23463b16c9bbb872ca763d. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 2923c35e5ade61e0172237426733d7460f2978e1da23463b16c9bbb872ca763d
SHA3-384 hash: d62a5ed652d42e78fb30bf2e0efbc64d9bd5d6ff582a8461c2c6e0fc3c8a78a2c0a2098560493b4f3a1e36b2cfe3b10e
SHA1 hash: 9d6c6119595affb9e44261986c101c1016329011
MD5 hash: 41660e892e998cc8f682cee43cccc56c
humanhash: montana-maryland-eight-dakota
File name:41660e892e998cc8f682cee43cccc56c.exe
Download: download sample
Signature CryptBot
File size:4'452'352 bytes
First seen:2024-12-17 08:39:14 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:gHnK9vWmXBB09Ky2sMfxmKObsyGSFCFAdMIARor9d7f:gH8vLRC83xm1USFLDTv
TLSH T17D2633A14E14D501CF6E537BEDD7004A8B77F3D19DF6ADF28A48823DB9A58833A219C1
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 :
374
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-17 07:02:41 UTC
Tags:
amadey botnet stealer loader lumma auto coinminer rhadamanthys arch-exec stealc themida litehttp cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
phishing autorun
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:
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:
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
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 Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1576590 Sample: sd3o9UfOL4.exe Startdate: 17/12/2024 Architecture: WINDOWS Score: 100 49 Suricata IDS alerts for network traffic 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 7 sd3o9UfOL4.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 5 other processes 2->16 process3 dnsIp4 41 httpbin.org 98.85.100.80, 443, 49704 TWC-11351-NORTHEASTUS United States 7->41 43 twentygr20sb.top 34.141.219.230, 49705, 49706, 49748 ATGS-MMD-ASUS United States 7->43 45 2 other IPs or domains 7->45 35 C:\Users\user\AppData\...\service123.exe, PE32 7->35 dropped 37 C:\Users\user\...\VHRiDaKeifEXHXFjuthj.dll, PE32 7->37 dropped 57 Attempt to bypass Chrome Application-Bound Encryption 7->57 59 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->59 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->61 63 8 other signatures 7->63 18 WerFault.exe 19 16 7->18         started        21 chrome.exe 7->21         started        24 schtasks.exe 1 7->24         started        26 2 other processes 7->26 file5 signatures6 process7 dnsIp8 33 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->33 dropped 39 239.255.255.250 unknown Reserved 21->39 28 chrome.exe 21->28         started        31 conhost.exe 24->31         started        file9 process10 dnsIp11 47 www.google.com 142.250.181.132, 443, 49776, 49777 GOOGLEUS United States 28->47
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-12-17 08:40:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
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:
ff6478a5fdfb7b257c4efec7fdb602da61cf0bdf48226e37ca697a8cf540fde8
MD5 hash:
7180354cd5472e13365f753e06229894
SHA1 hash:
96ee78fcd081a685d54d474966fc5b92d4bccbae
Detections:
CryptBot
SH256 hash:
2923c35e5ade61e0172237426733d7460f2978e1da23463b16c9bbb872ca763d
MD5 hash:
41660e892e998cc8f682cee43cccc56c
SHA1 hash:
9d6c6119595affb9e44261986c101c1016329011
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 2923c35e5ade61e0172237426733d7460f2978e1da23463b16c9bbb872ca763d

(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

Comments