MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1620913545f60a85ce934c8df97224e111a86b9f4c5ed9f51ab57a13985db4cc. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1620913545f60a85ce934c8df97224e111a86b9f4c5ed9f51ab57a13985db4cc
SHA3-384 hash: a48b2969182ece5592c135d273d6c316edf34fce29c0008e5dc4032acf4905fa8937fc3fe1fe9a2fd3ad730feb92dd69
SHA1 hash: c7dc036b0d8b4b514cbd64d4f068da478359886b
MD5 hash: bfb76b993b916cde7d4f7c24dac36298
humanhash: pennsylvania-spring-kitten-lithium
File name:bfb76b993b916cde7d4f7c24dac36298.exe
Download: download sample
Signature Zyklon
Create hunting rule
File size:3'773'952 bytes
First seen:2024-02-09 17:10:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:AcVI4XpYArOMNZCEBhOddaRdUy0q4Drn1L9YQn:AyYArFNZWkydv1ZYQ
TLSH T19706F04B96B24E73C2647B3185E7402F42B1C7367912EF1B364E14D1BC06639AB9F2B6
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://lest1kkror.ru.swtest.ru/imagetodle.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
579
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
1620913545f60a85ce934c8df97224e111a86b9f4c5ed9f51ab57a13985db4cc.exe
Verdict:
Malicious activity
Analysis date:
2024-02-09 17:12:40 UTC
Tags:
rat backdoor dcrat remote stealer
Link:
https://app.any.run/tasks/24447c9a-0d53-4b98-9d5b-43e89f66a732

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/475617/
Detection(s):
Win.Packed.Uztuby-10009381-0
Create hunting rule

Win.Packed.Uztuby-10015036-0
Create hunting rule

Win.Packed.Uztuby-10015799-0
Create hunting rule

Win.Packed.Uztuby-10015902-0
Create hunting rule

Win.Packed.Uztuby-10017372-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65c65cab31039a85aad97646/reports/40c8f2d5-2ac4-4f56-a335-f831c671d30e/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/1620913545f60a85ce934c8df97224e111a86b9f4c5ed9f51ab57a13985db4cc
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/de82610c-8b7f-47e4-947d-44fd8fb6630d
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1389917
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 an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root 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: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 dnsIp2 2 Behavior Graph ID: 1389917 Sample: xdUF3ppIU4.exe Startdate: 09/02/2024 Architecture: WINDOWS Score: 100 82 lest1kkror.ru.swtest.ru 2->82 88 Snort IDS alert for network traffic 2->88 90 Antivirus detection for URL or domain 2->90 92 Antivirus detection for dropped file 2->92 94 12 other signatures 2->94 8 gcElBiXWjjjttcprswZ.exe 2->8         started        11 xdUF3ppIU4.exe 6 57 2->11         started        14 gcElBiXWjjjttcprswZ.exe 2->14         started        16 6 other processes 2->16 signatures3 process4 dnsIp5 60 C:\Users\user\Desktop\zvScZSIB.log, PE32 8->60 dropped 62 C:\Users\user\Desktop\yzeBJWlx.log, PE32 8->62 dropped 64 C:\Users\user\Desktop\uRXdgIMJ.log, PE32 8->64 dropped 72 21 other malicious files 8->72 dropped 19 cmd.exe 8->19         started        66 C:\Windows\...\gcElBiXWjjjttcprswZ.exe, PE32 11->66 dropped 68 C:\Users\user\Desktop\wmnkqIpg.log, PE32 11->68 dropped 70 C:\Users\user\Desktop\vDuCEejj.log, PE32 11->70 dropped 74 28 other malicious files 11->74 dropped 104 Creates an undocumented autostart registry key 11->104 106 Drops PE files to the user root directory 11->106 108 Creates an autostart registry key pointing to binary in C:\Windows 11->108 114 3 other signatures 11->114 21 cmd.exe 11->21         started        24 csc.exe 4 11->24         started        27 csc.exe 4 11->27         started        29 6 other processes 11->29 110 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->110 112 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 14->112 80 127.0.0.1 unknown unknown 16->80 file6 signatures7 process8 file9 31 gcElBiXWjjjttcprswZ.exe 19->31         started        36 conhost.exe 19->36         started        96 Uses ping.exe to sleep 21->96 98 Drops executables to the windows directory (C:\Windows) and starts them 21->98 100 Uses ping.exe to check the status of other devices and networks 21->100 48 4 other processes 21->48 76 C:\Program Files (x86)\...\msedge.exe, PE32 24->76 dropped 102 Infects executable files (exe, dll, sys, html) 24->102 38 conhost.exe 24->38         started        40 cvtres.exe 1 24->40         started        78 C:\Windows\...\SecurityHealthSystray.exe, PE32 27->78 dropped 42 conhost.exe 27->42         started        44 cvtres.exe 1 27->44         started        46 conhost.exe 29->46         started        50 5 other processes 29->50 signatures10 process11 dnsIp12 84 lest1kkror.ru.swtest.ru 77.222.62.71, 49711, 49712, 49713 SWEB-ASRU Russian Federation 31->84 52 C:\Users\user\Desktop\zUUUwuCk.log, PE32 31->52 dropped 54 C:\Users\user\Desktop\ypebxDzl.log, PE32 31->54 dropped 56 C:\Users\user\Desktop\yGltMYtn.log, PE32 31->56 dropped 58 21 other malicious files 31->58 dropped 86 Tries to harvest and steal browser information (history, passwords, etc) 31->86 file13 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1620913545f60a85ce934c8df97224e111a86b9f4c5ed9f51ab57a13985db4cc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1620913545f60a85ce934c8df97224e111a86b9f4c5ed9f51ab57a13985db4cc/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-02-05 13:11:00 UTC
File Type:
PE (.Net Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cyqjcnkf6yfiltutjsg7s4re4ei2q247jrpnt5i2wv5bhgc5wtga._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat persistence rat spyware stealer
Link:
https://tria.ge/reports/240209-vp9nxaeh39/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Detect ZGRat V1
Modifies WinLogon for persistence
Process spawned unexpected child process
ZGRat
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
Link:
https://www.unpac.me/results/c6a801c9-a152-426d-9bf1-5dcdeaefb8d6/
SH256 hash:
16c775f00b9944ce08b7275667cd1f9d0eaae59ec4074b24a3a6cabd6106b6f1
MD5 hash:
7fe2278a7e077cc1ae9a5f313d3421ac
SHA1 hash:
3974f309b0c949937160f9fd1d6b95d764e493e1
Link:
https://www.unpac.me/results/c6a801c9-a152-426d-9bf1-5dcdeaefb8d6/
SH256 hash:
1620913545f60a85ce934c8df97224e111a86b9f4c5ed9f51ab57a13985db4cc
MD5 hash:
bfb76b993b916cde7d4f7c24dac36298
SHA1 hash:
c7dc036b0d8b4b514cbd64d4f068da478359886b
Detections:
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/c6a801c9-a152-426d-9bf1-5dcdeaefb8d6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1620913545f6/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/1620913545f60a85ce934c8df97224e111a86b9f4c5ed9f51ab57a13985db4cc

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/475617/

Comments