MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11fb76a096e745932a0f91b28aa2a2d4539ba51903883fbcd3a4e277130fdb4f. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11fb76a096e745932a0f91b28aa2a2d4539ba51903883fbcd3a4e277130fdb4f
SHA3-384 hash: eb0b325178071e82fd0c9a0ee79a0686990b6d38e72ae8e67a6664b2cfed28cd9b440644a178cc57509f43983c8b1e3e
SHA1 hash: 8834c37a4eb18f9f9678d1b0894e39c3819ae254
MD5 hash: 1fa09837a9c73b1753421e89c6ecb108
humanhash: nine-hamper-london-jig
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'403'712 bytes
First seen:2024-11-29 05:07:14 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:GkvzLNbA6JcVfKpi5ieJVc5M8lmVbNfJzj10RkB8e+TFQxk:z5A6iVSU5ieU5XoVbt9x0RI
TLSH T1B116333B93615655E9D16436AA833AB0837074A12B3B276E377F0A711F9F612EC3D4E0
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/martin/random.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
427
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-29 05:07:25 UTC
Tags:
antivm themida stealer cryptbot
Link:
https://app.any.run/tasks/66a83525-6ae0-4bbf-bee3-6ec90db79f84

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Zusy.568294.23700.5505.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67494ddfe64d1c722d79f0ff
Tags:
phishing trojan virus zusy
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/67494c363d8719873e6e6943/reports/208ad078-da43-4d57-bcba-a66ca7b6e78f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/11fb76a096e745932a0f91b28aa2a2d4539ba51903883fbcd3a4e277130fdb4f
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3900114d-3ca7-4b26-bd3a-a9192717fc31
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1565007
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
Leaks process information
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 (process name or module or function)
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: 1565007 Sample: file.exe Startdate: 29/11/2024 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 7 other signatures 2->56 7 file.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 40 home.fvtekx5pt.top 34.105.155.9, 49731, 49732, 49739 GOOGLEUS United States 7->40 42 httpbin.org 18.208.8.205, 443, 49730 AMAZON-AESUS United States 7->42 44 2 other IPs or domains 7->44 36 C:\Users\user\AppData\...\service123.exe, PE32 7->36 dropped 38 C:\Users\user\...\rnCMinwLHbrEjcomyVjl.dll, PE32 7->38 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 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->66 68 8 other signatures 7->68 18 service123.exe 7->18         started        21 WerFault.exe 21 16 7->21         started        24 chrome.exe 7->24         started        27 schtasks.exe 1 7->27         started        file5 signatures6 process7 dnsIp8 58 Found evasive API chain (may stop execution after checking mutex) 18->58 60 Found stalling execution ending in API Sleep call 18->60 34 C:\ProgramData\Microsoft\...\Report.wer, Unicode 21->34 dropped 46 239.255.255.250 unknown Reserved 24->46 29 chrome.exe 24->29         started        32 conhost.exe 27->32         started        file9 signatures10 process11 dnsIp12 48 www.google.com 142.250.181.100, 443, 49747, 49750 GOOGLEUS United States 29->48
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/11fb76a096e745932a0f91b28aa2a2d4539ba51903883fbcd3a4e277130fdb4f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/11fb76a096e745932a0f91b28aa2a2d4539ba51903883fbcd3a4e277130fdb4f/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-11-29 05:08:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ch5xniew45czgkqpsgzivivc2rjzxjizaoed7pgtutrhoeyp3nhq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Link:
https://tria.ge/reports/241129-fsjvbssqdp/
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/139d4af3-71ca-4063-92ed-7e998751425a
Unpacked files
SH256 hash:
d222e30b0c4b321346113762a651259f79b4421db26229637a2f6ce67a967590
MD5 hash:
b54adf936b6038a1c77d7556717e63bc
SHA1 hash:
f53015bd33bd61b9cc9dd0e9d290a590e8e5a4b3
Link:
https://www.unpac.me/results/540b68f9-e945-4dc3-be2a-b06ca6facfd7/
SH256 hash:
11fb76a096e745932a0f91b28aa2a2d4539ba51903883fbcd3a4e277130fdb4f
MD5 hash:
1fa09837a9c73b1753421e89c6ecb108
SHA1 hash:
8834c37a4eb18f9f9678d1b0894e39c3819ae254
Link:
https://www.unpac.me/results/540b68f9-e945-4dc3-be2a-b06ca6facfd7/
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/11fb76a096e745932a0f91b28aa2a2d4539ba51903883fbcd3a4e277130fdb4f

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 11fb76a096e745932a0f91b28aa2a2d4539ba51903883fbcd3a4e277130fdb4f

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3310377/

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