MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1618813f2071072453fa1a3d36983cc983d69a5edc3c4406c274ebf9b3d0d594. 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 3 File information Comments

SHA256 hash: 1618813f2071072453fa1a3d36983cc983d69a5edc3c4406c274ebf9b3d0d594
SHA3-384 hash: c133c15b3314d9ddd7e0b0693fc15cd36026d7cc6d46dde0fa939c26bcd70c179286a5a33174b75a6856db309a0f0e63
SHA1 hash: 787c0e9a2b3ca8237a0fffc4f47bba07722d082d
MD5 hash: 51bf88b291e3b35a12f4c253bf8377c3
humanhash: seven-stream-diet-massachusetts
File name:51bf88b291e3b35a12f4c253bf8377c3
Download: download sample
Signature CryptBot
File size:810'496 bytes
First seen:2023-03-14 19:27:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:Nu5WWa4ojAtbuTZCZPAl6Qo007IDt3D/Ykps5pb5SxVfrbyax1ejueDoUFbH:A4W+EMTsxAlg03Db65V5SnbyXikHFbH
Threatray 67 similar samples on MalwareBazaar
TLSH T1CE050133E8D2E3BAD17A223DC418C4ADF7A97D21942A519B73D1392EF9382A347535C1
TrID 47.2% (.EXE) Win32 Executable (generic) (4505/5/1)
21.0% (.EXE) Generic Win/DOS Executable (2002/3)
20.9% (.EXE) DOS Executable Generic (2000/1)
10.5% (.SCORE) Music Craft Score (1007/6)
0.1% (.DBF) Sybase iAnywhere database files (19/3)
File icon (PE):PE icon
dhash icon 8ceaaa9abaa6ba00 (62 x CryptBot)
Reporter abuse_ch
Tags:51bf88b291e3b35a12f4c253bf8377c3 CryptBot exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
51bf88b291e3b35a12f4c253bf8377c3
Verdict:
Malicious activity
Analysis date:
2023-03-14 19:37:14 UTC
Tags:
stealer opendir cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Cryptbot
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to change the desktop window for a process (likely to hide graphical interactions)
Detected unpacking (changes PE section rights)
Found C&C like URL pattern
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
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
Query firmware table information (likely to detect VMs)
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Yara detected Cryptbot
Yara detected CryptbotV2
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 826549 Sample: Yp6YeWxa66.exe Startdate: 14/03/2023 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Antivirus detection for URL or domain 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 10 other signatures 2->48 9 Yp6YeWxa66.exe 2->9         started        process3 signatures4 58 Detected unpacking (changes PE section rights) 9->58 60 Self deletion via cmd or bat file 9->60 62 Contains functionality to change the desktop window for a process (likely to hide graphical interactions) 9->62 64 Injects a PE file into a foreign processes 9->64 12 Yp6YeWxa66.exe 75 9->12         started        process5 dnsIp6 38 ernlen22.top 85.31.45.219, 49713, 80 CLOUDCOMPUTINGDE Germany 12->38 40 ovalim02.top 185.246.220.246, 49714, 80 LVLT-10753US Germany 12->40 36 C:\Users\user\AppData\Roaming\...\magpie.exe, PE32 12->36 dropped 66 Self deletion via cmd or bat file 12->66 17 cmd.exe 1 12->17         started        19 cmd.exe 1 12->19         started        file7 signatures8 process9 process10 21 magpie.exe 7 17->21         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 timeout.exe 1 19->29         started        file11 34 C:\Users\user\AppData\...\DpEditor.exe, PE32 21->34 dropped 50 Multi AV Scanner detection for dropped file 21->50 52 Query firmware table information (likely to detect VMs) 21->52 54 Hides threads from debuggers 21->54 56 Tries to detect sandboxes / dynamic malware analysis system (registry check) 21->56 31 DpEditor.exe 21->31         started        signatures12 process13 signatures14 68 Query firmware table information (likely to detect VMs) 31->68 70 Hides threads from debuggers 31->70 72 Tries to detect sandboxes / dynamic malware analysis system (registry check) 31->72
Threat name:
Win32.Trojan.Vidar
Status:
Malicious
First seen:
2023-03-14 19:28:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 39 (48.72%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer themida trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Malware Config
C2 Extraction:
http://ernlen22.top/gate.php
Unpacked files
SH256 hash:
f98d56c8c5da97e890b44b7d7138378de130bfd675665827d582461a18402739
MD5 hash:
68eeb1ae8fb6327d93cc480a09b640a9
SHA1 hash:
7cf65852f5e4c5c88b80fb1a54020a805e9ab14c
SH256 hash:
1618813f2071072453fa1a3d36983cc983d69a5edc3c4406c274ebf9b3d0d594
MD5 hash:
51bf88b291e3b35a12f4c253bf8377c3
SHA1 hash:
787c0e9a2b3ca8237a0fffc4f47bba07722d082d
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:TeslaCryptPackedMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments