MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 637f8140aed64627e2fc8a1f140aa3180ba3253695d359a152806eb9952f3153. 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: 637f8140aed64627e2fc8a1f140aa3180ba3253695d359a152806eb9952f3153
SHA3-384 hash: 75c39239bcf93c810ce0cb93bc18df2fb5915a9b407e040474130f2ae08404d33814870a44ae453e5af5daeaeec46e54
SHA1 hash: 5c0bfcdfa9befc8995142de82025bcd1e22c93b0
MD5 hash: f03985dcb8d3b56a81c755d9bc8fe757
humanhash: shade-cup-angel-texas
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'442'624 bytes
First seen:2024-12-01 19:58:48 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 98304:2+E+PVOghJO3Z1cPvuXkgyVMPCFiGT9dNwfd+sfP+:5RPQkJO3Z1cPakgQMPwim9dNu1
TLSH T1BC2633112FADFB34C4E906F98675E16011D75A86B8F5AF2F28EE28846B37DCDD830245
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 :
527
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-01 19:59:21 UTC
Tags:
antivm themida stealer cryptbot crypto-regex
Link:
https://app.any.run/tasks/1269b517-5d89-4308-924d-96b31b3d347a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.10467.23251.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674cc18504c232bff3b58da1
Tags:
phishing trojan hype sage
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/674cc0077206aa477b2389d7/reports/6c565c8e-d2b4-4d68-8681-597f454df73a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/637f8140aed64627e2fc8a1f140aa3180ba3253695d359a152806eb9952f3153
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/07c0b402-c192-4d00-a9f2-a1f5445d3388
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1566259
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: 1566259 Sample: file.exe Startdate: 01/12/2024 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 34.159.64.221, 49731, 49732, 49739 ATGS-MMD-ASUS United States 7->40 42 httpbin.org 18.213.123.165, 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 GOOGLEUS United States 29->48
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/637f8140aed64627e2fc8a1f140aa3180ba3253695d359a152806eb9952f3153
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/637f8140aed64627e2fc8a1f140aa3180ba3253695d359a152806eb9952f3153/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-12-01 19:59:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mn7ycqfo2zdcpyx4ripricvddaf2gjjwsxjvtiksqbxltfjpgfjq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Link:
https://tria.ge/reports/241201-yqdjmszpdx/
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/5331aa32-37ba-498e-a19a-be3afd795c57
Unpacked files
SH256 hash:
5edf01c586356508f89d6bea0cdf3988e867a3476fd187c729bc6a5ea6679424
MD5 hash:
120b275998a31d0cd01fefe56f3335e4
SHA1 hash:
dfadc49cb7179de48ed7922e973bf0263df02533
Link:
https://www.unpac.me/results/bd9b96cd-b2ba-4510-9217-36deb7414579/
SH256 hash:
637f8140aed64627e2fc8a1f140aa3180ba3253695d359a152806eb9952f3153
MD5 hash:
f03985dcb8d3b56a81c755d9bc8fe757
SHA1 hash:
5c0bfcdfa9befc8995142de82025bcd1e22c93b0
Link:
https://www.unpac.me/results/bd9b96cd-b2ba-4510-9217-36deb7414579/
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/637f8140aed64627e2fc8a1f140aa3180ba3253695d359a152806eb9952f3153

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 637f8140aed64627e2fc8a1f140aa3180ba3253695d359a152806eb9952f3153

(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

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