MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d71fd241e16c6cd912681e48288466fb61004cac77d6c3a86d8338034a69dd0. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2d71fd241e16c6cd912681e48288466fb61004cac77d6c3a86d8338034a69dd0
SHA3-384 hash: 0d560a66d7cf9af99cbd19cf59d195929cff07407a2191aa8afcc7c49e39226dd81b79b743ebebfaffc66d111b853721
SHA1 hash: 9a41ba755db441b9d762eac47268e29b087723c8
MD5 hash: b4be5ad70bafb7fd8096c70ccc223689
humanhash: massachusetts-washington-mars-delta
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'480'000 bytes
First seen:2024-12-01 14:55:59 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:Of4oQ0Vtx2J4m/1NaeblTVdzpF/eyu3ZPfBbDHAxCnZ02liz5fp4ll:g46zXM5VpF/a3JCUnZ00Kfpyl
TLSH T174263322DB502CD6C8D5C07542D9A166BA96BB65B9CB23DC078D3C354F32B7C62BB708
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 :
423
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-01 14:57:14 UTC
Tags:
themida antivm stealer cryptbot crypto-regex
Link:
https://app.any.run/tasks/67d778c9-6a7a-46bc-a4f5-9efd9e9500bd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.28037.7443.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674c7ad8e64d1c722d7aff16
Tags:
vmdetect phishing
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/674c79033a492b6f5d088386/reports/dd4365f0-1f8f-4389-83ae-460411da6132/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/2d71fd241e16c6cd912681e48288466fb61004cac77d6c3a86d8338034a69dd0
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/700ba330-c9e9-40ae-9790-9dec5e58c991
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1566188
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: 1566188 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 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, 49705, 49706, 49744 ATGS-MMD-ASUS United States 7->40 42 httpbin.org 18.208.8.205, 443, 49704 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 19 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 142.250.181.68, 443, 49763, 49769 GOOGLEUS United States 29->48
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2d71fd241e16c6cd912681e48288466fb61004cac77d6c3a86d8338034a69dd0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2d71fd241e16c6cd912681e48288466fb61004cac77d6c3a86d8338034a69dd0/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-12-01 14:56:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fvy72ja6c3dm3ejgqhsifccgn63babgky56wyoug3azyanfgtxia._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Link:
https://tria.ge/reports/241201-sa1fksymfn/
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/7924bc47-3e57-46eb-9714-58c84bdb7d77
Gathering data
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/2d71fd241e16c6cd912681e48288466fb61004cac77d6c3a86d8338034a69dd0

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 2d71fd241e16c6cd912681e48288466fb61004cac77d6c3a86d8338034a69dd0

(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