MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a
SHA3-384 hash: 27e0e23dede6863e8947b8da65376a69765402b86693b11a6971febedd7754efa06ea12ca17cec2289a282bb560dd211
SHA1 hash: b6efee54668e99435319d65f634459eb561c1491
MD5 hash: abf203dd0126ad56347d05e2c0f48322
humanhash: kitten-twelve-cold-alpha
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'404'224 bytes
First seen:2024-11-19 21:38:19 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:Rw6KaeYjBOfsJGtc1JQ1hl6ulpWE1Vz5VIw+LTiBNZq/sae4t1F+y:a6Kj6BQsJG6jQ1hflBvXInLEbsTe+L
TLSH T1BF1633D2E18BE9CBCE2D5F3582FA17C69BB583F2050E394109796DA139761CF3DA0921
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 :
448
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
2837f1bda895f125b2ba7644d1706c4a870011d68afb204096a44eb05cf388d3
Verdict:
Malicious activity
Analysis date:
2024-11-19 21:02:18 UTC
Tags:
amadey botnet stealer loader themida stealc cryptbot lumma crypto-regex
Link:
https://app.any.run/tasks/53732a04-444c-443c-836d-3fb9b58efae0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MalwareX-gen.29786.3071.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673d0621cfd863d78e897bcf
Tags:
phishing autorun
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/673d0589ef05ce04988cad59/reports/70d654a1-b3aa-456b-b9e7-482617a1e1aa/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b5103efd-415c-4095-b221-8c4cde96a182
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1558889
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Drops large PE files
Found malware configuration
Hides threads from debuggers
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 (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: 1558889 Sample: file.exe Startdate: 19/11/2024 Architecture: WINDOWS Score: 100 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 8 other signatures 2->55 7 file.exe 5 2 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.fvtekk5pn.top 7->41 43 fvtekk5pn.top 34.116.198.130, 49730, 49738, 49739 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->43 45 127.0.0.1 unknown unknown 7->45 35 C:\Users\user\...\unmYCIPOHmXNjqOesrEy.dll, PE32 7->35 dropped 37 C:\Users\user\AppData\...\service123.exe, 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 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 63 7 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 142.250.185.196, 443, 49746 GOOGLEUS United States 28->47
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-19 21:29:44 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tb5svfr75lfdgrjkyxo2tgpbir7somqbjry4hpb7ltwx2mrhrbva._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot credential_access discovery evasion spyware stealer
Link:
https://tria.ge/reports/241119-1hlamasqhw/
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
Link:
https://app.threat.zone/submission/25a6bdd8-732e-4e65-be59-17c398285c52
Unpacked files
SH256 hash:
d91c2914845c6de32b01ffe607f18afbaf63a0d4f5ccd1578369c052fc8bca61
MD5 hash:
43a5c738e74d594471b67d2f5431d3bd
SHA1 hash:
b4d0fbe9b176b573bdb88b76461727804f73cf87
Link:
https://www.unpac.me/results/eb60956e-a20e-4fd7-8313-ace49fe8fa78/
SH256 hash:
987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a
MD5 hash:
abf203dd0126ad56347d05e2c0f48322
SHA1 hash:
b6efee54668e99435319d65f634459eb561c1491
Link:
https://www.unpac.me/results/eb60956e-a20e-4fd7-8313-ace49fe8fa78/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/987b2a963fea/report/overview.html
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/987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a

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)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

CryptBot

Executable exe 987b2a963feaca33452ac5dda999e1447f2732014c71c3bc3f5ced7d3227886a

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3253370/

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