MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86088c0dfa1761f1989204ae2d46a3a0b3defaf379a2ccd0b81b0067aae8ec07. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 86088c0dfa1761f1989204ae2d46a3a0b3defaf379a2ccd0b81b0067aae8ec07
SHA3-384 hash: eeeeac540bb3869b7eb568029a6dce624d2450c2f589cc346e25269c6cae56108e20706e311707b4d0bfa90a76449b03
SHA1 hash: 8c3fbdc41b3d357b06902049e2ad6f2e4d136344
MD5 hash: f35acf76c5ace4e007dc64fcde784dbe
humanhash: king-six-oklahoma-july
File name:file
Download: download sample
Signature CryptBot
File size:4'396'544 bytes
First seen:2024-11-24 03:27:38 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 98304:89kuJYPlJjOx3wSnKkDa4RWrlJqxQl/eelLKu6hTSRxRQee:zIsirKkDHRaJqil/LzIqXQee
TLSH T14616337C7FCBA663D1A97AF1401EF7A09F67F51385CE370A9550A7E9A60A138E0C0B44
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 :
515
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-24 03:30:49 UTC
Tags:
stealer cryptbot themida crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
vmdetect phishing autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Connection attempt to an infection source
DNS request
Creating a window
Connection attempt
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto 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
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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 (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: 1561684 Sample: file.exe Startdate: 24/11/2024 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 6 other signatures 2->56 7 file.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 40 fvtekk5pn.top 34.116.198.130, 49704, 49727, 49736 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->40 42 127.0.0.1 unknown unknown 7->42 44 home.fvtekk5pn.top 7->44 36 C:\Users\user\...\unmYCIPOHmXNjqOesrEy.dll, PE32 7->36 dropped 38 C:\Users\user\AppData\...\service123.exe, PE32 7->38 dropped 64 Attempt to bypass Chrome Application-Bound Encryption 7->64 66 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 7->68 70 7 other signatures 7->70 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 Multi AV Scanner detection for dropped file 18->58 60 Found evasive API chain (may stop execution after checking mutex) 18->60 62 Found stalling execution ending in API Sleep call 18->62 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 172.217.21.36, 443, 49750, 49758 GOOGLEUS United States 29->48
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-11-24 03:28:05 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Cryptbot family
Detects CryptBot payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fb1961265d68178a8bdfbdc987e2952b75db0f2af016eb4d57b4dd4185992330
MD5 hash:
aa74ee72fa934509a41f0c40cffed89d
SHA1 hash:
1e25ee6b9fd30621391d16988fb7ebad371fadcb
SH256 hash:
86088c0dfa1761f1989204ae2d46a3a0b3defaf379a2ccd0b81b0067aae8ec07
MD5 hash:
f35acf76c5ace4e007dc64fcde784dbe
SHA1 hash:
8c3fbdc41b3d357b06902049e2ad6f2e4d136344
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 86088c0dfa1761f1989204ae2d46a3a0b3defaf379a2ccd0b81b0067aae8ec07

(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

Comments