MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5743915756451135c9902ae18aa3b6f3727cb2ac4444acef3f6b3daeab2982c. 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 4 File information Comments

SHA256 hash: f5743915756451135c9902ae18aa3b6f3727cb2ac4444acef3f6b3daeab2982c
SHA3-384 hash: 1ad238db003a3ef6b2d843f32ca8a02c15b4ef32c936dbdc0511d425d11e588717c26102866bcdda181e3cc8a6534862
SHA1 hash: 599109f59debf7880dd9decfed047829241ac341
MD5 hash: 43e41aec9e2c027a0316b7500f14b9d4
humanhash: zebra-mobile-william-magnesium
File name:43e41aec9e2c027a0316b7500f14b9d4.exe
Download: download sample
Signature CryptBot
File size:4'444'160 bytes
First seen:2024-12-18 19:57:14 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 98304:2O2iTB5COUtEiSi3k5wZCgNLc/0VZp62iDrArPZ8QmtNOaR2xd5:2OjT/Crxj0erLc/0/NCrJCt
TLSH T1DD263327993247CEE56BACBE791A1EDFF58235CC058E04EB764838F1D2AB45EB211131
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 :
454
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-17 21:06:25 UTC
Tags:
amadey botnet stealer loader rhadamanthys arch-exec lumma cryptbot themida antivm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect 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
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm 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 dnsIp2 2 Behavior Graph ID: 1577891 Sample: vOizfcQSGf.exe Startdate: 18/12/2024 Architecture: WINDOWS Score: 100 39 tse1.mm.bing.net 2->39 41 ax-0001.ax-msedge.net 2->41 57 Suricata IDS alerts for network traffic 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 7 other signatures 2->63 8 vOizfcQSGf.exe 5 3 2->8         started        13 service123.exe 2->13         started        15 service123.exe 2->15         started        signatures3 process4 dnsIp5 45 home.fivetk5pn.top 185.185.71.170, 49737, 49750, 49808 SPRINTHOSTRU Russian Federation 8->45 47 httpbin.org 34.226.108.155, 443, 49719 AMAZON-AESUS United States 8->47 49 2 other IPs or domains 8->49 35 C:\Users\user\AppData\...\service123.exe, PE32 8->35 dropped 37 C:\Users\user\...\dlEmjynrOeqkpoHZKKOr.dll, PE32 8->37 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 17 service123.exe 8->17         started        20 WerFault.exe 22 16 8->20         started        23 chrome.exe 8->23         started        26 schtasks.exe 1 8->26         started        file6 signatures7 process8 dnsIp9 53 Found evasive API chain (may stop execution after checking mutex) 17->53 55 Found stalling execution ending in API Sleep call 17->55 33 C:\ProgramData\Microsoft\...\Report.wer, Unicode 20->33 dropped 43 239.255.255.250 unknown Reserved 23->43 28 chrome.exe 23->28         started        31 conhost.exe 26->31         started        file10 signatures11 process12 dnsIp13 51 www.google.com 142.250.181.132, 443, 49828, 49836 GOOGLEUS United States 28->51
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-12-17 22:36:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
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:
0fb3d21e8a1e7f971bf8d0f31351dfad8f154d77b0bd40457fa937c755d1de5d
MD5 hash:
ee6ee20e3cb6d73843574d1ae7ef0299
SHA1 hash:
5cd416f977205df51daf732e0fabfadae16e4ac8
Detections:
CryptBot
SH256 hash:
f5743915756451135c9902ae18aa3b6f3727cb2ac4444acef3f6b3daeab2982c
MD5 hash:
43e41aec9e2c027a0316b7500f14b9d4
SHA1 hash:
599109f59debf7880dd9decfed047829241ac341
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 f5743915756451135c9902ae18aa3b6f3727cb2ac4444acef3f6b3daeab2982c

(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