MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25ac0cfb064bd71d2d97aad7491824915a7bbdc4b80e705385617dbd0e35a673. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25ac0cfb064bd71d2d97aad7491824915a7bbdc4b80e705385617dbd0e35a673
SHA3-384 hash: 86d4981fd692bbd22634db0476996f650a9afe04a354329ca5c12e46cce70df7622eace0ebe3f69fd355d8651d436b38
SHA1 hash: 9b7899c63a601a2421715a6304c0f53af14f7b1a
MD5 hash: 4d727ea77c6a382bccbb1ee8970b67ee
humanhash: wolfram-cat-sodium-skylark
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'385'280 bytes
First seen:2024-11-24 12:30:55 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:g0QDuLy0AMnkpl50B/GVrcbKgVc2fAO5AbfiF:g1DuLy0hyl50B+6bLVxjy
TLSH T16D16334ADB8501B0C5653B76B01B49759B6A01DA3582C1CEEDE3BC4A5A33DEF2B37C24
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 :
415
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-24 12:33:44 UTC
Tags:
themida stealer cryptbot crypto-regex
Link:
https://app.any.run/tasks/888d9aa0-e867-438b-aa95-9974917fa187

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67431c87b31374f09833ff2f
Tags:
phishing autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/67431c870cb32438e616ce8a/reports/268ac8eb-93d3-4342-b5dd-aabe82259077/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/25ac0cfb064bd71d2d97aad7491824915a7bbdc4b80e705385617dbd0e35a673
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4bf9edfd-3801-4ff1-9e44-fd339f98f1c7
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1561847
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 evasive API chain (may stop execution after checking mutex)
Found malware configuration
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1561847 Sample: file.exe Startdate: 24/11/2024 Architecture: WINDOWS Score: 100 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 8 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, 49707, 49752, 49762 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 22 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 172.217.21.36, 443, 49780 GOOGLEUS United States 27->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25ac0cfb064bd71d2d97aad7491824915a7bbdc4b80e705385617dbd0e35a673/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-11-24 12:31:05 UTC
File Type:
PE (Exe)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewwaz6ygjplr2lmxvllusgbesfnhxpoexahhau4fmf632drvuzzq._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/241124-pp2emszjes/
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/2e0dda48-4197-4715-915c-372b90b99978
Unpacked files
SH256 hash:
36a84ba8baa45ad1f836de04e0196e0d23efd7cc6f133dd4834f33d0e1e83d1a
MD5 hash:
bca732e758680862fcbf7f6ad825e42e
SHA1 hash:
1b317c0298c9f8105e2adb66ce2351b3c44a256e
Link:
https://www.unpac.me/results/f6ae137e-90be-45d1-9d4e-60f07e11d812/
SH256 hash:
25ac0cfb064bd71d2d97aad7491824915a7bbdc4b80e705385617dbd0e35a673
MD5 hash:
4d727ea77c6a382bccbb1ee8970b67ee
SHA1 hash:
9b7899c63a601a2421715a6304c0f53af14f7b1a
Link:
https://www.unpac.me/results/f6ae137e-90be-45d1-9d4e-60f07e11d812/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/25ac0cfb064b/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/25ac0cfb064bd71d2d97aad7491824915a7bbdc4b80e705385617dbd0e35a673

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 25ac0cfb064bd71d2d97aad7491824915a7bbdc4b80e705385617dbd0e35a673

(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