MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97. 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: c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97
SHA3-384 hash: 1e552c586d17cb3d4670cc4409d8e507529aeb76489ea0bb6c1f47527aecc352ac92773c2267484c2b0e95efa6ddb701
SHA1 hash: 8009636db9d31f53142794c07689ac3e25a2bd9c
MD5 hash: d0c3d4568b6684933fd3bb8302cf9438
humanhash: charlie-finch-one-april
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'411'392 bytes
First seen:2024-11-23 03:18:30 UTC
Last seen:2024-11-23 03:18:59 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:reo26wlugC/FULu+FbmAqBYnuCKdagRhoxjoMhOSpaBOFQk2Cq:reh6SwUL3aAXnn01RCx8SXyOFQk2C
TLSH T1CC1633918DDA166DDC2A427A4D63BE58E6F1A4042398F674FF30E595CCAF3433B6043A
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 :
533
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-23 03:20:06 UTC
Tags:
stealer cryptbot themida crypto-regex
Link:
https://app.any.run/tasks/9708c29c-0b64-49f3-897d-d41d081bdfaf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.28465.22406.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67414a36b31374f09833a115
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
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:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/674149a701bd697f2d9ed765/reports/d574f3c3-39b5-43e8-9551-79f8c61ee650/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/05e8a067-e573-44b3-a21b-b7cb88864f2a
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1561315
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: 1561315 Sample: file.exe Startdate: 23/11/2024 Architecture: WINDOWS Score: 100 43 Suricata IDS alerts for network traffic 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 7 file.exe 5 4 2->7         started        12 service123.exe 2->12         started        process3 dnsIp4 35 fvtekk5pn.top 34.116.198.130, 49704, 49727, 49737 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->35 37 127.0.0.1 unknown unknown 7->37 39 home.fvtekk5pn.top 7->39 29 C:\Users\user\...\unmYCIPOHmXNjqOesrEy.dll, PE32 7->29 dropped 31 C:\Users\user\AppData\...\service123.exe, PE32 7->31 dropped 51 Attempt to bypass Chrome Application-Bound Encryption 7->51 53 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 7 other signatures 7->57 14 service123.exe 7->14         started        17 chrome.exe 7->17         started        20 schtasks.exe 1 7->20         started        22 WerFault.exe 19 12 7->22         started        file5 signatures6 process7 dnsIp8 59 Multi AV Scanner detection for dropped file 14->59 61 Found evasive API chain (may stop execution after checking mutex) 14->61 63 Found stalling execution ending in API Sleep call 14->63 33 239.255.255.250 unknown Reserved 17->33 24 chrome.exe 17->24         started        27 conhost.exe 20->27         started        signatures9 process10 dnsIp11 41 www.google.com 142.250.181.68, 443, 49751, 49757 GOOGLEUS United States 24->41
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-11-23 03:19:05 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=ysv3pbxzfuf2jwm66mk36kjjloapwkjaa7pdooerobosrkqqx2lq._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-dt6pdaxkd1/
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/a1e535e3-2db0-4844-b70f-dc058ac3055f
Unpacked files
SH256 hash:
74dad252176d51f786c7bbfefd819baa45bfce26cea6e841b9a7d5594916bc87
MD5 hash:
d52082ac76ae7ca990a3067a1bbe4679
SHA1 hash:
83023b40d7c1afa29cf76a05c0e910b27811c6d3
Link:
https://www.unpac.me/results/50c79afe-5032-43e8-8ecc-8b20f742dc69/
SH256 hash:
c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97
MD5 hash:
d0c3d4568b6684933fd3bb8302cf9438
SHA1 hash:
8009636db9d31f53142794c07689ac3e25a2bd9c
Link:
https://www.unpac.me/results/50c79afe-5032-43e8-8ecc-8b20f742dc69/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c4abb786f92d/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/c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97

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 c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97

(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