MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4eb2e889aafdbad87d66fad00dabe1fba5c935b9743a7dea3ec5c2def6a0b55c. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4eb2e889aafdbad87d66fad00dabe1fba5c935b9743a7dea3ec5c2def6a0b55c
SHA3-384 hash: 7379636074ba952032f8774f5075937e5fab6afeb19a266835646b5a42aef6d1dad48985318ac93e551e0937fcad5509
SHA1 hash: 340cb604dab6565f6b3475779c2a4f36820d58f3
MD5 hash: e49dc7070a607a790b20f1dc835b2e9d
humanhash: oscar-mississippi-echo-hamper
File name:E49DC7070A607A790B20F1DC835B2E9D.exe
Download: download sample
Signature Zyklon
Create hunting rule
File size:3'894'784 bytes
First seen:2024-04-13 23:55:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:DutilgYcgoY0oDOybPB67PNxGR77R1QM1nEh9IeXN9jI8JvGcmlWBuKt/WBmNeji:D2ilbEOOybg7CR/RVmheeXNKuogr/
TLSH T17206F12A56264F37C25D3F3493D7011D82B0DA62AD52FF5B352F20E668062B8DB172B7
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://109.107.182.28/2BetterPacket/proton/7voiddbCpu2/Longpoll5/5testJsMulti/Packet/pollPrivate.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
388
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
4eb2e889aafdbad87d66fad00dabe1fba5c935b9743a7dea3ec5c2def6a0b55c.exe
Verdict:
Malicious activity
Analysis date:
2024-04-13 23:55:47 UTC
Tags:
rat backdoor dcrat remote stealer
Link:
https://app.any.run/tasks/87e55429-e855-414f-ba39-9c448ae080ed

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dcrat net_reactor packed packed
Link:
https://www.filescan.io/uploads/661b1b93e824d2f0c7c34fb3/reports/ddbdb260-25aa-4698-8bd6-593e9a3155eb/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/4eb2e889aafdbad87d66fad00dabe1fba5c935b9743a7dea3ec5c2def6a0b55c
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c357a5c-89e5-4381-9d80-5f4184e02eb1
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1425638
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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 processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Found many strings related to Crypto-Wallets (likely being stolen)
Loading BitLocker PowerShell Module
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: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1425638 Sample: crsa4bZhdH.exe Startdate: 14/04/2024 Architecture: WINDOWS Score: 100 65 Snort IDS alert for network traffic 2->65 67 Antivirus detection for URL or domain 2->67 69 Antivirus detection for dropped file 2->69 71 13 other signatures 2->71 7 crsa4bZhdH.exe 3 49 2->7         started        11 upfc.exe 14 54 2->11         started        14 pPbzLxkHhDfujchRlAUL.exe 3 2->14         started        16 5 other processes 2->16 process3 dnsIp4 45 C:\Windows\Speech_OneCore\...\dllhost.exe, PE32 7->45 dropped 47 C:\Users\user\Desktop\vfGmpcXP.log, PE32 7->47 dropped 49 C:\Users\user\Desktop\uzlxixCX.log, PE32 7->49 dropped 57 30 other malicious files 7->57 dropped 83 Found many strings related to Crypto-Wallets (likely being stolen) 7->83 85 Uses schtasks.exe or at.exe to add and modify task schedules 7->85 87 Adds a directory exclusion to Windows Defender 7->87 89 Creates processes via WMI 7->89 18 cmd.exe 7->18         started        21 powershell.exe 7->21         started        23 powershell.exe 7->23         started        25 4 other processes 7->25 61 109.107.182.28, 49735, 49736, 49737 TELEPORT-TV-ASRU Russian Federation 11->61 51 C:\Users\user\Desktop\yJNFYFhY.log, PE32 11->51 dropped 53 C:\Users\user\Desktop\yBdntVGS.log, PE32 11->53 dropped 55 C:\Users\user\Desktop\wIOEIZUU.log, PE32 11->55 dropped 59 24 other malicious files 11->59 dropped 91 Antivirus detection for dropped file 11->91 93 Multi AV Scanner detection for dropped file 11->93 95 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->95 97 3 other signatures 11->97 63 127.0.0.1 unknown unknown 16->63 file5 signatures6 process7 signatures8 73 Uses ping.exe to sleep 18->73 75 Drops executables to the windows directory (C:\Windows) and starts them 18->75 77 Uses ping.exe to check the status of other devices and networks 18->77 27 conhost.exe 18->27         started        41 3 other processes 18->41 79 Found many strings related to Crypto-Wallets (likely being stolen) 21->79 81 Loading BitLocker PowerShell Module 21->81 29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 WmiPrvSE.exe 23->33         started        35 schtasks.exe 25->35         started        37 schtasks.exe 25->37         started        39 schtasks.exe 25->39         started        43 7 other processes 25->43 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4eb2e889aafdbad87d66fad00dabe1fba5c935b9743a7dea3ec5c2def6a0b55c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4eb2e889aafdbad87d66fad00dabe1fba5c935b9743a7dea3ec5c2def6a0b55c/
Threat name:
ByteCode-MSIL.Trojan.DCRat
Create hunting rule
Status:
Malicious
First seen:
2024-03-23 14:40:59 UTC
File Type:
PE (.Net Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j2zorcnk7w5nq7lg7lia3k7b7os4snnzoq5h32r6yxbn55vawvoa._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat rat spyware stealer
Link:
https://tria.ge/reports/240413-3yz5tsbf29/
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Detect ZGRat V1
Process spawned unexpected child process
ZGRat
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
Link:
https://www.unpac.me/results/fd4a250a-f687-481a-bd21-f8098ca90a8a/
SH256 hash:
7a080d8bd178ec02c7f39f7f941479074c450c4fdd8e963c993d2fb5537c7708
MD5 hash:
16b480082780cc1d8c23fb05468f64e7
SHA1 hash:
6fddf86f9f0fbaa189f5cb79e44999a3f1ac2b26
Link:
https://www.unpac.me/results/fd4a250a-f687-481a-bd21-f8098ca90a8a/
SH256 hash:
4eb2e889aafdbad87d66fad00dabe1fba5c935b9743a7dea3ec5c2def6a0b55c
MD5 hash:
e49dc7070a607a790b20f1dc835b2e9d
SHA1 hash:
340cb604dab6565f6b3475779c2a4f36820d58f3
Detections:
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/fd4a250a-f687-481a-bd21-f8098ca90a8a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4eb2e889aafd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4eb2e889aafdbad87d66fad00dabe1fba5c935b9743a7dea3ec5c2def6a0b55c

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_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

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