MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecb1e141d645db6da20ead3b5a9710778fa33427fde5ea916ab088e843681878. 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



Zyklon


Vendor detections: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: ecb1e141d645db6da20ead3b5a9710778fa33427fde5ea916ab088e843681878
SHA3-384 hash: e4b36120b175fec997864bf2c1338ed5dba2dc5d8923331530fde3ee9cc66285f606f56f268db82370003a11b7c5b59d
SHA1 hash: 2097e0a4dbae4b8ac0360c441c716a69c1bced7f
MD5 hash: 38a7d47290ac9256321dfe8b2d4e3130
humanhash: table-mockingbird-helium-washington
File name:38a7d47290ac9256321dfe8b2d4e3130.exe
Download: download sample
Signature Zyklon
File size:830'464 bytes
First seen:2024-03-15 16:45:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:kKIIhtQY47i/eIFdRgbE1ooBQdpW3Ari4VVyZC0+1cXOoxPRq/6:kCaY4gFdRgbiooBQd3iE0n/xa6
Threatray 27 similar samples on MalwareBazaar
TLSH T10805C6182AEE1439F0B7AFF14BD07886C6AEF573770E965D18C002C68612B45DE9673B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe Zyklon


Avatar
abuse_ch
Zyklon C2:
http://951499cm.nyashtech.top/sqlcentralUploads.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
380
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
6508722642.exe
Verdict:
Malicious activity
Analysis date:
2024-03-09 01:31:06 UTC
Tags:
dcrat rat

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

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the Program Files subdirectories
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Creating a process from a recently created file
Loading a suspicious library
Connection attempt to an infection source
Creating a window
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Query of malicious DNS domain
Enabling autorun by creating a file
Enabling autorun
Adding an exclusion to Microsoft Defender
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd dcrat lolbin
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:
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executable to a common third party application directory
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1409770 Sample: 5M3C6AxFem.exe Startdate: 15/03/2024 Architecture: WINDOWS Score: 100 65 951499cm.nyashtech.top 2->65 71 Snort IDS alert for network traffic 2->71 73 Antivirus detection for URL or domain 2->73 75 Antivirus detection for dropped file 2->75 77 14 other signatures 2->77 8 5M3C6AxFem.exe 7 33 2->8         started        12 5M3C6AxFem.exe 2->12         started        15 RuntimeBroker.exe 2->15         started        17 8 other processes 2->17 signatures3 process4 dnsIp5 49 C:\Users\user\Desktop\phPnMZEu.log, PE32 8->49 dropped 51 C:\Users\user\Desktop\VPdHtUtf.log, PE32 8->51 dropped 53 C:\Users\user\Desktop\PfjAuYPw.log, PE32 8->53 dropped 61 9 other malicious files 8->61 dropped 81 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->81 83 Creates an undocumented autostart registry key 8->83 85 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 8->85 95 4 other signatures 8->95 19 csc.exe 4 8->19         started        23 cmd.exe 8->23         started        25 powershell.exe 23 8->25         started        27 5 other processes 8->27 67 951499cm.nyashtech.top 172.67.178.175, 49735, 49736, 49737 CLOUDFLARENETUS United States 12->67 55 C:\Users\user\Desktop\xxMewSKc.log, PE32 12->55 dropped 57 C:\Users\user\Desktop\vAkWbSvh.log, PE32 12->57 dropped 59 C:\Users\user\Desktop\mJhoMHPt.log, PE32 12->59 dropped 63 2 other malicious files 12->63 dropped 87 Tries to harvest and steal browser information (history, passwords, etc) 12->87 89 Antivirus detection for dropped file 15->89 91 Multi AV Scanner detection for dropped file 15->91 93 Machine Learning detection for dropped file 15->93 69 127.0.0.1 unknown unknown 17->69 file6 signatures7 process8 file9 47 C:\Windows\...\SecurityHealthSystray.exe, PE32 19->47 dropped 79 Infects executable files (exe, dll, sys, html) 19->79 29 conhost.exe 19->29         started        31 cvtres.exe 1 19->31         started        43 4 other processes 23->43 33 conhost.exe 25->33         started        35 WmiPrvSE.exe 25->35         started        37 conhost.exe 27->37         started        39 conhost.exe 27->39         started        41 conhost.exe 27->41         started        45 2 other processes 27->45 signatures10 process11
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2024-03-09 04:33:12 UTC
File Type:
PE (.Net Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
2be6447dbb4103faf195b0392832a299c41ef0e73a9fc31981d5233fd32e78e8
MD5 hash:
778171ed0957762bc3328b4085e4982c
SHA1 hash:
e47bd324459397c246332a6b80a5a64e39a474f5
SH256 hash:
ecb1e141d645db6da20ead3b5a9710778fa33427fde5ea916ab088e843681878
MD5 hash:
38a7d47290ac9256321dfe8b2d4e3130
SHA1 hash:
2097e0a4dbae4b8ac0360c441c716a69c1bced7f
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File cn_utf8_windows_terminal
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_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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

Comments