MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b10c487f23a3a9fa263b9326d45cf7a9d1e16378976d8b135831a6fb2908164d. 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


DCRat


Vendor detections: 16


Intelligence 16 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b10c487f23a3a9fa263b9326d45cf7a9d1e16378976d8b135831a6fb2908164d
SHA3-384 hash: 61c696508319ea375d220e18bebd950921a62a0702421940e597311f8d04ec640c07305e7603a3bbd070dcafe21b9de7
SHA1 hash: d0492329e7557f719a9613dd7f23fd93e21f89c4
MD5 hash: 5fea8cd659140d3c8bb6f611b97669cd
humanhash: happy-low-floor-foxtrot
File name:5fea8cd659140d3c8bb6f611b97669cd.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:3'702'272 bytes
First seen:2024-07-09 14:00:25 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 98304:9ymXR9j/AgbEctnqO3YNxEnoiqLZ7iP5Gd:9ymXR9sg3tLI8uhaw
Threatray 335 similar samples on MalwareBazaar
TLSH T1BA06E11665E34E32C2A45631869B063DA2D0C7663522EF1B791F25C7AD0BBF18B731B3
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:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://082650cm.nyashka.top/phpWppublic.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://082650cm.nyashka.top/phpWppublic.php https://threatfox.abuse.ch/ioc/1296058/

Intelligence

File Origin
# of uploads :
1
# of downloads :
416
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
e672d4b84402a33ebdd58374db28360a81c8ae0e5649abfeac465a94a2435a48.exe
Verdict:
Malicious activity
Analysis date:
2024-07-09 12:58:43 UTC
Tags:
dcrat rat remote darkcrystal
Link:
https://app.any.run/tasks/40ddc0bf-6351-46aa-b95e-7654eb182edd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.30425.UnRegNetReactor.UNOFFICIAL
Create hunting rule

Win.Packed.Uztuby-10009381-0
Create hunting rule

Win.Packed.Uztuby-10015486-0
Create hunting rule

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

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

Win.Packed.Uztuby-10017373-0
Create hunting rule

Win.Packed.Zusy-10023527-0
Create hunting rule

Win.Dropper.HawkEye-10027238-0
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668d42a0d6caced36c82e8b5win7simulatehigh_evasion
Tags:
Execution Network
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a process from a recently created file
Loading a suspicious library
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Query of malicious DNS domain
Connection attempt to an infection source
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed packed
Link:
https://www.filescan.io/uploads/668d42aabb965284a1c5dab6/reports/a84e55c5-273b-453e-9e6a-8d39ed111101/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/b10c487f23a3a9fa263b9326d45cf7a9d1e16378976d8b135831a6fb2908164d
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/4a45322e-e974-4372-aeb8-5c794035ebd5
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1470143
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops executable to a common third party application directory
Drops PE files with benign system names
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 video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Files With System Process Name In Unsuspected Locations
Snort IDS alert for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1470143 Sample: ZB1a1FVGs2.exe Startdate: 09/07/2024 Architecture: WINDOWS Score: 100 112 082650cm.nyashka.top 2->112 114 bg.microsoft.map.fastly.net 2->114 122 Snort IDS alert for network traffic 2->122 124 Antivirus detection for URL or domain 2->124 126 Antivirus detection for dropped file 2->126 128 12 other signatures 2->128 15 ZB1a1FVGs2.exe 4 44 2->15         started        signatures3 process4 file5 104 C:\Windows\Containers\...\kfTCRfIjmi.exe, PE32 15->104 dropped 106 C:\Users\user\Desktop\zGNPnNlR.log, PE32 15->106 dropped 108 C:\Users\user\Desktop\wNxgBRzT.log, PE32 15->108 dropped 110 29 other malicious files 15->110 dropped 118 Drops PE files with benign system names 15->118 120 Drops executable to a common third party application directory 15->120 19 cmd.exe 1 15->19         started        22 conhost.exe 15->22         started        signatures6 process7 signatures8 130 Uses ping.exe to sleep 19->130 132 Uses ping.exe to check the status of other devices and networks 19->132 24 MoUsoCoreWorker.exe 14 28 19->24         started        28 w32tm.exe 1 19->28         started        30 conhost.exe 19->30         started        32 chcp.com 1 19->32         started        process9 dnsIp10 116 082650cm.nyashka.top 188.114.96.3, 49731, 59332, 59333 CLOUDFLARENETUS European Union 24->116 88 C:\Users\user\Desktop\yyJGeNRv.log, PE32 24->88 dropped 90 C:\Users\user\Desktop\uzvQmeyF.log, PE32 24->90 dropped 92 C:\Users\user\Desktop\qDuzfzIL.log, PE32 24->92 dropped 94 20 other malicious files 24->94 dropped 34 cmd.exe 1 24->34         started        file11 process12 process13 36 MoUsoCoreWorker.exe 27 34->36         started        39 w32tm.exe 1 34->39         started        41 conhost.exe 34->41         started        43 chcp.com 1 34->43         started        file14 80 C:\Users\user\Desktop\wteqzOid.log, PE32 36->80 dropped 82 C:\Users\user\Desktop\rxdZsisj.log, PE32 36->82 dropped 84 C:\Users\user\Desktop\rgWGdMyh.log, PE32 36->84 dropped 86 20 other malicious files 36->86 dropped 45 cmd.exe 36->45         started        process15 signatures16 138 Uses ping.exe to sleep 45->138 48 MoUsoCoreWorker.exe 45->48         started        51 conhost.exe 45->51         started        53 chcp.com 45->53         started        55 PING.EXE 45->55         started        process17 file18 72 C:\Users\user\Desktop\zHuyBFKq.log, PE32 48->72 dropped 74 C:\Users\user\Desktop\yLGYlInn.log, PE32 48->74 dropped 76 C:\Users\user\Desktop\xTqqPsOs.log, PE32 48->76 dropped 78 20 other malicious files 48->78 dropped 57 cmd.exe 48->57         started        process19 signatures20 136 Uses ping.exe to sleep 57->136 60 MoUsoCoreWorker.exe 57->60         started        63 conhost.exe 57->63         started        65 chcp.com 57->65         started        67 PING.EXE 57->67         started        process21 file22 96 C:\Users\user\Desktop\zuCqgVtH.log, PE32 60->96 dropped 98 C:\Users\user\Desktop\rrDQDXJS.log, PE32 60->98 dropped 100 C:\Users\user\Desktop\qCLaMGVd.log, PE32 60->100 dropped 102 20 other malicious files 60->102 dropped 69 cmd.exe 60->69         started        process23 signatures24 134 Uses ping.exe to sleep 69->134
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b10c487f23a3a9fa263b9326d45cf7a9d1e16378976d8b135831a6fb2908164d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b10c487f23a3a9fa263b9326d45cf7a9d1e16378976d8b135831a6fb2908164d/
Threat name:
ByteCode-MSIL.Trojan.DCRat
Create hunting rule
Status:
Malicious
First seen:
2024-07-04 22:01:58 UTC
File Type:
PE (.Net Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wegeq7zduou7ujr3smtnixhxvhi6cy3ys5wywe2yggtpwkiiczgq._file
Verdict:
malicious
Similar samples:
00d68c00be975ed8b240541a7dcf269239738237d05d90408100abe2ea872baf
DCRat
0266dc2bf6eb73b5ef4770bedecadbffb0c35cd3b17c9a97e39712d92f17d199
DCRat
0cc11a51bcc10b49a00e1334f2b463b8f6bd6f998b8d1e6f13fce93e9b577582
DCRat
3142e5f6016d50a4c139ba82ccb1e6063b81244cfbd4313067330d689843d4aa
DCRat
93120717524f0cac94e27fdb013982d760143dd05cca8a547258cbf21ecce2a7
DCRat
975033d24044a83505ee98f9f3b857e114ccb5f6179db6dce90804af911eea8f
DCRat
aabc266802f04d1eeea56deddf0bc38f4e14d5c67685fd9c4a7c6d98efa7b31d
DCRat
b1637a25a2959c9a6da241d94d8ddac92f3e542d86dbebdc47c1a06a4f6190a0
DCRat
+ 325 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240709-rbjnsayfna/
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/476e6f43-f9e4-44b6-834e-17287f7e27ed
Unpacked files
SH256 hash:
b10c487f23a3a9fa263b9326d45cf7a9d1e16378976d8b135831a6fb2908164d
MD5 hash:
5fea8cd659140d3c8bb6f611b97669cd
SHA1 hash:
d0492329e7557f719a9613dd7f23fd93e21f89c4
Detections:
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/c5900593-340a-4651-b76f-f57f1f2f7e90/
Parent samples :
e672d4b84402a33ebdd58374db28360a81c8ae0e5649abfeac465a94a2435a48
b10c487f23a3a9fa263b9326d45cf7a9d1e16378976d8b135831a6fb2908164d
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/b10c487f23a3a9fa263b9326d45cf7a9d1e16378976d8b135831a6fb2908164d

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:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
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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