MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a312ae4537c6311d8d2a395f3ce7b1b7ba74280b84069c800ca9f81efa23eec. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a312ae4537c6311d8d2a395f3ce7b1b7ba74280b84069c800ca9f81efa23eec
SHA3-384 hash: 98e647eef9080c5cccf4dbc225c8391e20d88dc3e7d9072cdbac674134869ffa3b1e7f140b2264c64dd9c369de27a165
SHA1 hash: e366c1340ba76460bbb29a86530bb855fbd2ffaa
MD5 hash: e0daf3617f84af41981769a31ed23565
humanhash: neptune-idaho-five-football
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'387'328 bytes
First seen:2024-11-20 09:42:01 UTC
Last seen:2024-11-20 09:42:29 UTC
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:qya3O/DHkwdl/y8cTN9fyocxA8NMCfMUdkiwD42XN:qya3O/1cTNRyvu2kiwDNX
TLSH T1BC163343ACA95069F881E536176FF69A3B89F3F0A354DD250C2237EFDEC7A991380560
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 :
2
# of downloads :
437
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
d1b6e19a825bdeeef8425c5ff8b5872744155213f66d251d20d0bb4f4cca57ce
Verdict:
Malicious activity
Analysis date:
2024-11-20 08:50:59 UTC
Tags:
amadey botnet stealer themida loader lumma stealc
Link:
https://app.any.run/tasks/7b268a2d-df86-46f5-a73c-470f22890021

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Zusy.566196.31593.14529.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673dafc6e293c03416fb73e0
Tags:
vmdetect phishing autorun
Result
Verdict:
Malware
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
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/673daef2b1a62895a51fe5aa/reports/d6e231ce-f78e-4a44-9532-60621619d365/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/3a312ae4537c6311d8d2a395f3ce7b1b7ba74280b84069c800ca9f81efa23eec
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7d02e28b-29c9-4c64-90ce-cfa58ff86e0a
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1559244
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 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: 1559244 Sample: file.exe Startdate: 20/11/2024 Architecture: WINDOWS Score: 100 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 6 other signatures 2->58 7 file.exe 5 4 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        process3 dnsIp4 40 fvtekk5pn.top 34.116.198.130, 49705, 49715, 49736 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\AppData\...\service123.exe, PE32 7->34 dropped 36 C:\Users\user\...\unmYCIPOHmXNjqOesrEy.dll, PE32 7->36 dropped 60 Attempt to bypass Chrome Application-Bound Encryption 7->60 62 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 7->64 66 7 other signatures 7->66 16 service123.exe 7->16         started        19 WerFault.exe 19 16 7->19         started        22 chrome.exe 7->22         started        25 schtasks.exe 1 7->25         started        file5 signatures6 process7 dnsIp8 48 Found evasive API chain (may stop execution after checking mutex) 16->48 50 Found stalling execution ending in API Sleep call 16->50 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 142.250.185.68, 443, 49761, 49765 GOOGLEUS United States 27->46
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3a312ae4537c6311d8d2a395f3ce7b1b7ba74280b84069c800ca9f81efa23eec
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a312ae4537c6311d8d2a395f3ce7b1b7ba74280b84069c800ca9f81efa23eec/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-11-20 09:43:06 UTC
File Type:
PE (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hiysvzctprrrdwgsuok7htt3dn52oquaxbagtsaazkpyd35ch3wa._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/241120-lpc59svmfs/
Behaviour
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
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/ce984ada-44d3-445e-91c7-d2d809761a82
Unpacked files
SH256 hash:
31596236808e6d81d9b7297f468fc8fb2f7d7e30c37c0bbddd911e0bcca09d5a
MD5 hash:
f52112f46fa5bedbdf7c2f081442b176
SHA1 hash:
f82c9e0ba83db15f7cac7d419664b081a2cf1b04
Link:
https://www.unpac.me/results/70c157ad-e04c-475c-aa2b-daa78128089c/
SH256 hash:
3a312ae4537c6311d8d2a395f3ce7b1b7ba74280b84069c800ca9f81efa23eec
MD5 hash:
e0daf3617f84af41981769a31ed23565
SHA1 hash:
e366c1340ba76460bbb29a86530bb855fbd2ffaa
Link:
https://www.unpac.me/results/70c157ad-e04c-475c-aa2b-daa78128089c/
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
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 3a312ae4537c6311d8d2a395f3ce7b1b7ba74280b84069c800ca9f81efa23eec

(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