MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efa5511214c6453afd2698b3c145ce428757fc9f74b27b72e4794c50d62813c4. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efa5511214c6453afd2698b3c145ce428757fc9f74b27b72e4794c50d62813c4
SHA3-384 hash: 6483159ec90fe445e7cf70f4b0085fb22644ffd5e56e05e9568f5ae984a91617b80eedcfa3b20edf4d89b45e98f3014a
SHA1 hash: 11988e16d519ad6901733d9b481a0919b24d4f11
MD5 hash: 33c208962145f21ab365d7cb6192fec9
humanhash: one-wisconsin-london-oscar
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'435'968 bytes
First seen:2024-11-29 07:08:46 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 98304:4mOShVi2BuaK8/yvoFbP8+QMssNknNQYkfO01gMGcit5:fOS/nZjP8+bcnaNO01+
TLSH T18D263326532EB2A7CC04987481B3A94BFBD914FFC0E5A3F6B5DB7159AD1328941DEC20
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/martin/random.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
424
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-29 07:10:00 UTC
Tags:
antivm themida stealer cryptbot crypto-regex
Link:
https://app.any.run/tasks/62036707-c0ea-4b13-8207-81801733ac8d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Zusy.568294.24521.14153.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67496999e64d1c722d79f6f2
Tags:
vmdetect phishing
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
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/6749688ec8e92ec40d9246d1/reports/5524ecbf-a352-4d5d-8948-6e95c17a713e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/efa5511214c6453afd2698b3c145ce428757fc9f74b27b72e4794c50d62813c4
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/bc2f2e1f-b7a0-4bd4-9e76-8f04cb8ea178
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1565045
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 Clipboard Hijacker
Yara detected Cryptbot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1565045 Sample: file.exe Startdate: 29/11/2024 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 7 other signatures 2->55 7 file.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 41 home.fvtekx5pt.top 34.105.155.9, 49700, 49701, 49758 GOOGLEUS United States 7->41 43 httpbin.org 18.208.8.205, 443, 49699 AMAZON-AESUS 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\...\rnCMinwLHbrEjcomyVjl.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 21 16 7->18         started        21 chrome.exe 7->21         started        24 schtasks.exe 1 7->24         started        26 service123.exe 7->26         started        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 142.250.181.100, 443, 49782, 49783 GOOGLEUS United States 28->47
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/efa5511214c6453afd2698b3c145ce428757fc9f74b27b72e4794c50d62813c4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efa5511214c6453afd2698b3c145ce428757fc9f74b27b72e4794c50d62813c4/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-29 07:09:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56svcequyzctv7jgtcz4crooikdvp7e7oszhw4xepfgfbvricpca._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Link:
https://tria.ge/reports/241129-hysersskgw/
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:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/508d7db4-4099-474a-9bd3-56b25ea9b8a3
Unpacked files
SH256 hash:
76cebdd7ea863863de4aec69aac85addd6fcf096a0c678f011d43fef0081b142
MD5 hash:
f52806d2b383a1af4c5be5cee4b81bbf
SHA1 hash:
8db7d019fe1843175c84a6e79454921036d1cbb5
Link:
https://www.unpac.me/results/7193adeb-0268-4abc-8094-3999edeb0ee0/
SH256 hash:
efa5511214c6453afd2698b3c145ce428757fc9f74b27b72e4794c50d62813c4
MD5 hash:
33c208962145f21ab365d7cb6192fec9
SHA1 hash:
11988e16d519ad6901733d9b481a0919b24d4f11
Link:
https://www.unpac.me/results/7193adeb-0268-4abc-8094-3999edeb0ee0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/efa5511214c6453afd2698b3c145ce428757fc9f74b27b72e4794c50d62813c4

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
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
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 efa5511214c6453afd2698b3c145ce428757fc9f74b27b72e4794c50d62813c4

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3310377/

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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