MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a80ca2e11b0eaa75711ca4b8a002d95f45e8dbaf41101e4dfc52b32ab5d9ddae. 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: a80ca2e11b0eaa75711ca4b8a002d95f45e8dbaf41101e4dfc52b32ab5d9ddae
SHA3-384 hash: 73db850634b034fb0d523463e58e6446cf6f96587db777c09e251a023905031e27a358dfe94bef60c353db5bdf106bac
SHA1 hash: 2fd29c1c343af0ffc67441b448e8a101b7f7854e
MD5 hash: ce1c81d721906475fc878ebd26d09ad4
humanhash: crazy-golf-tennessee-cola
File name:file
Download: download sample
Signature CryptBot
File size:4'380'672 bytes
First seen:2024-11-24 01:26:57 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:v3FnLa3pgrd18qp3n1DpjPJRTIWFKdI+4b/TxHkKT5KdKXzJ+S:fFnLa3qR1v3VpjJRcEKdIfblEO5KdKjo
TLSH T15816333004C9274DE957F8B592A6DD2FB9338C5DB34B0E28F25A1078D9A352AFD47B48
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 :
421
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-24 01:13:42 UTC
Tags:
stealer stealc loader themida amadey botnet cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
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
Reading critical registry keys
Creating a file in the %temp% directory
Query of malicious DNS domain
Stealing user critical data
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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: 1561635 Sample: file.exe Startdate: 24/11/2024 Architecture: WINDOWS Score: 100 54 Suricata IDS alerts for network traffic 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 6 other signatures 2->60 7 file.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        process3 dnsIp4 40 fvtekk5pn.top 34.116.198.130, 49730, 49737, 49738 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->40 42 127.0.0.1 unknown unknown 7->42 44 home.fvtekk5pn.top 7->44 34 C:\Users\user\...\unmYCIPOHmXNjqOesrEy.dll, PE32 7->34 dropped 36 C:\Users\user\AppData\...\service123.exe, PE32 7->36 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 Uses schtasks.exe or at.exe to add and modify task schedules 7->66 68 7 other signatures 7->68 16 service123.exe 7->16         started        19 WerFault.exe 21 16 7->19         started        22 chrome.exe 7->22         started        25 schtasks.exe 1 7->25         started        file5 signatures6 process7 dnsIp8 48 Multi AV Scanner detection for dropped file 16->48 50 Found evasive API chain (may stop execution after checking mutex) 16->50 52 Found stalling execution ending in API Sleep call 16->52 32 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->32 dropped 38 239.255.255.250 unknown Reserved 22->38 27 chrome.exe 22->27         started        30 conhost.exe 25->30         started        file9 signatures10 process11 dnsIp12 46 www.google.com 142.250.181.100, 443, 49744, 49746 GOOGLEUS United States 27->46
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-11-24 01:27:09 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
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:
Cryptbot
YARA:
n/a
Unpacked files
SH256 hash:
f1ff710f0ab0713e6f4b5bb6cc5b83a607f2596520a318d8af37088fe90aa214
MD5 hash:
741672ce2424dbd3e8409dc9f6750236
SHA1 hash:
b414ba46d2f117ad3d74af52f9acc07f39a80cdc
SH256 hash:
a80ca2e11b0eaa75711ca4b8a002d95f45e8dbaf41101e4dfc52b32ab5d9ddae
MD5 hash:
ce1c81d721906475fc878ebd26d09ad4
SHA1 hash:
2fd29c1c343af0ffc67441b448e8a101b7f7854e
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 a80ca2e11b0eaa75711ca4b8a002d95f45e8dbaf41101e4dfc52b32ab5d9ddae

(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