MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ba3ca651abc2a2b457d128db67aadbc24b9ce55354643cd5d9fd541a67abcf6. 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: 4ba3ca651abc2a2b457d128db67aadbc24b9ce55354643cd5d9fd541a67abcf6
SHA3-384 hash: 60e6f9a9109b134f76b6ba121cb1bdaaeca73b556e0601382caedc6ec96943289374f4bdb488c587d6f1cb3b2c213023
SHA1 hash: 561dead86e068f55eb1858be78f41aec43498cb9
MD5 hash: 3db3772a8fe7ee091f20b20660559b56
humanhash: timing-lion-xray-saturn
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'416'000 bytes
First seen:2024-11-23 06:19:54 UTC
Last seen:2024-11-23 06:19:59 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:pjb1pKkbLTVlTHEQIv20WplE/CSXYqxkp3sHf/dmsp5bs6gcoJQ:R1UMV1EQCPWplOLXYqGMf/dmW5bpIJQ
TLSH T15C1633F7D713B3F1F24621B4878B124BAF03D11A19D58F9D8F739252022B696C8EAE15
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 :
560
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-23 06:08:11 UTC
Tags:
stealer stealc loader themida amadey botnet cryptbot
Link:
https://app.any.run/tasks/4c1448ea-ea9a-43e6-bff8-5a95e310d501

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.11715.17326.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674174c5d0583382434a9c79
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
Sending an HTTP GET request to an infection source
DNS request
Creating a window
Connection attempt
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/67417415074a147f8e11a4fd/reports/23037844-79b4-4839-a37f-d7fc693e04dd/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/4ba3ca651abc2a2b457d128db67aadbc24b9ce55354643cd5d9fd541a67abcf6
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/66b078e9-67c4-4900-a5eb-077612eff3d8
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1561356
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1561356 Sample: file.exe Startdate: 23/11/2024 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 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, 49707, 49758, 49767 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 142.250.181.100, 443, 49785, 49788 GOOGLEUS United States 27->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ba3ca651abc2a2b457d128db67aadbc24b9ce55354643cd5d9fd541a67abcf6/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-23 06:20:06 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jor4uzi2xqvcwrl5ckg3m6vnxqslttsvgvdehtk5t7kudjt2xt3a._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/241123-g3rhlawpgq/
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/996c2133-49a5-4007-a7a2-a6783b4c4f74
Unpacked files
SH256 hash:
cc293547632287da9e15f66cff44d00768181012a4529d31d32fcc49f6724e22
MD5 hash:
9a7ef740d6dae33da4a9feb28fca6cfe
SHA1 hash:
9a227921cd95c0d2509a837ecbf27716868713c9
Link:
https://www.unpac.me/results/f4348b01-c433-4886-b279-0563aa9d461d/
SH256 hash:
4ba3ca651abc2a2b457d128db67aadbc24b9ce55354643cd5d9fd541a67abcf6
MD5 hash:
3db3772a8fe7ee091f20b20660559b56
SHA1 hash:
561dead86e068f55eb1858be78f41aec43498cb9
Link:
https://www.unpac.me/results/f4348b01-c433-4886-b279-0563aa9d461d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4ba3ca651abc/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/4ba3ca651abc2a2b457d128db67aadbc24b9ce55354643cd5d9fd541a67abcf6

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 4ba3ca651abc2a2b457d128db67aadbc24b9ce55354643cd5d9fd541a67abcf6

(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