MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 490fc3ac1830a381350813ad614c258eb761886aad612879a592461edffd719b. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 490fc3ac1830a381350813ad614c258eb761886aad612879a592461edffd719b
SHA3-384 hash: a0b1035758b5820fb3e3cda699841266794f03cd9880067124aa3f6ddf59efbb2e875074c62667a9795dc68f2def1cfc
SHA1 hash: e74926dcb5b7e996d4f4961a763d2c4d8e8e24d0
MD5 hash: 8841698b335573b0abe7875b85b653d6
humanhash: cat-angel-oven-oregon
File name:8841698b335573b0abe7875b85b653d6.exe
Download: download sample
Signature CryptBot
File size:4'441'600 bytes
First seen:2024-12-19 06:54:27 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 98304:4Ha58BJIGJlaZO5+OFpubzo4p3BRTPb5Nk/B8R:47wbz97PDkJ
TLSH T12F26332D7DA35224F0FC0DB48C820ADA9EF9A05241C0FE15379B266DA436F4EDDD9AD4
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 :
383
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
65bbaec08da3f5f231efb44ddb1da44d6d4adfd9fc0fffe385f3b9d700681a63
Verdict:
Malicious activity
Analysis date:
2024-12-18 16:10:08 UTC
Tags:
amadey botnet stealer loader themida lumma stealc netreactor cryptbot credentialflusher antivm auto coinminer arch-exec rhadamanthys

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autorun virus sage zusy
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
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 signatures2 2 Behavior Graph ID: 1578041 Sample: 88S3zQTYpl.exe Startdate: 19/12/2024 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 7 other signatures 2->56 7 88S3zQTYpl.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 service123.exe 2->16         started        process3 dnsIp4 40 twentytk20pn.top 194.87.47.113, 49706, 49707, 49710 ASBAXETNRU Russian Federation 7->40 42 httpbin.org 34.226.108.155, 443, 49705 AMAZON-AESUS United States 7->42 44 2 other IPs or domains 7->44 36 C:\Users\user\AppData\...\service123.exe, PE32 7->36 dropped 38 C:\Users\user\...\ehoYPkfWhVokJMBQaExv.dll, PE32 7->38 dropped 62 Attempt to bypass Chrome Application-Bound Encryption 7->62 64 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->66 68 8 other signatures 7->68 18 service123.exe 7->18         started        21 WerFault.exe 19 16 7->21         started        24 chrome.exe 7->24         started        27 schtasks.exe 1 7->27         started        file5 signatures6 process7 dnsIp8 58 Found evasive API chain (may stop execution after checking mutex) 18->58 60 Found stalling execution ending in API Sleep call 18->60 34 C:\ProgramData\Microsoft\...\Report.wer, Unicode 21->34 dropped 46 239.255.255.250 unknown Reserved 24->46 29 chrome.exe 24->29         started        32 conhost.exe 27->32         started        file9 signatures10 process11 dnsIp12 48 www.google.com 142.250.181.132, 443, 49717, 49721 GOOGLEUS United States 29->48
Threat name:
Win32.Trojan.Multiverze
Status:
Malicious
First seen:
2024-12-18 18:45:42 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
29 of 38 (76.32%)
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:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
88873daa965cf4ffa4b877891762fa04a504a479821f1478707c1980c3808a86
MD5 hash:
ae4904dcdfcc9b42197b3851d38cd0b0
SHA1 hash:
d7b192d1929b6c29d4ccc5ec6c7f37c37ba27fd8
Detections:
CryptBot
SH256 hash:
490fc3ac1830a381350813ad614c258eb761886aad612879a592461edffd719b
MD5 hash:
8841698b335573b0abe7875b85b653d6
SHA1 hash:
e74926dcb5b7e996d4f4961a763d2c4d8e8e24d0
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 490fc3ac1830a381350813ad614c258eb761886aad612879a592461edffd719b

(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