MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 858fff104da670b640eff2a93b7fa4b794ae554c30a409864d00f3b7ecc1e09f. 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: 858fff104da670b640eff2a93b7fa4b794ae554c30a409864d00f3b7ecc1e09f
SHA3-384 hash: a9384cb3e41d8116ae50198eedfaa437ebffec9cfb3b6708197c4729d592136f8133fbf09793e57e0a2cf421e9708179
SHA1 hash: 266e7d01ba11cd7914451c798199596f4d2f7b53
MD5 hash: 8c6e4c86c216b898f24ff14b417c4369
humanhash: six-oklahoma-east-hawaii
File name:lfcdgbuksf.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'657'344 bytes
First seen:2024-11-30 21:32:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:o2a0H/WPj+rsO6AOhaDxL/aySUYj79FcPX6t1:va0SKsOP1L/KzEP
Threatray 143 similar samples on MalwareBazaar
TLSH T1A875A22439EB102AF173EFB54AD4759ACA6FFAB33707989E205103864713B81DDD163A
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter aachum
Tags:DCRat exe


Avatar
iamaachum
https://github.com/olosha1/oparik/blob/main/lfcdgbuksf.exe

DCRat C2:
http://213.108.22.118/protectlinuxuniversaltrackcdn.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://213.108.22.118/protectlinuxuniversaltrackcdn.php https://threatfox.abuse.ch/ioc/1349744/

Intelligence

File Origin
# of uploads :
1
# of downloads :
408
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
inv.zip
Verdict:
Malicious activity
Analysis date:
2024-11-30 21:22:00 UTC
Tags:
arch-exec stealer stealc loader amadey botnet vidar upx rdp netreactor telegram lumma
Link:
https://app.any.run/tasks/3ec8dd3e-9d71-4833-be4c-30b0e9b61901

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Uztuby-10015799-0
Create hunting rule

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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674b8650e64d1c722d7ab3bb
Tags:
virus micro sage
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd lolbin
Link:
https://www.filescan.io/uploads/674b848e3d8719873e6f22dd/reports/56a4a476-bdf5-4ca6-974b-0c6b1eccdcc6/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/858fff104da670b640eff2a93b7fa4b794ae554c30a409864d00f3b7ecc1e09f
Malware family:
Dark Crystal RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc116fc1-1688-4b48-b379-4bc0cf900906
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1565846
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1565846 Sample: lfcdgbuksf.exe Startdate: 30/11/2024 Architecture: WINDOWS Score: 100 42 Suricata IDS alerts for network traffic 2->42 44 Found malware configuration 2->44 46 Antivirus detection for dropped file 2->46 48 10 other signatures 2->48 7 lfcdgbuksf.exe 4 16 2->7         started        process3 file4 24 C:\Users\user\Desktop\vZNEzLck.log, PE32 7->24 dropped 26 C:\Users\user\Desktop\hADxImWJ.log, PE32 7->26 dropped 28 C:\Users\user\Desktop\dNlyfpHV.log, PE32 7->28 dropped 30 8 other malicious files 7->30 dropped 10 cmd.exe 1 7->10         started        process5 signatures6 50 Uses ping.exe to sleep 10->50 52 Uses ping.exe to check the status of other devices and networks 10->52 13 staticfile.exe 14 9 10->13         started        18 conhost.exe 10->18         started        20 PING.EXE 1 10->20         started        22 chcp.com 1 10->22         started        process7 dnsIp8 40 213.108.22.118, 49731, 49733, 49736 SPEEDYLINERU Russian Federation 13->40 32 C:\Users\user\Desktop\vXIDvyqF.log, PE32 13->32 dropped 34 C:\Users\user\Desktop\smdnokfM.log, PE32 13->34 dropped 36 C:\Users\user\Desktop\jDKXEIae.log, PE32 13->36 dropped 38 4 other malicious files 13->38 dropped 54 Antivirus detection for dropped file 13->54 56 Multi AV Scanner detection for dropped file 13->56 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 13->58 60 2 other signatures 13->60 file9 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/858fff104da670b640eff2a93b7fa4b794ae554c30a409864d00f3b7ecc1e09f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/858fff104da670b640eff2a93b7fa4b794ae554c30a409864d00f3b7ecc1e09f/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2024-11-30 21:22:28 UTC
File Type:
PE (.Net Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qwh76ecnuzylmqhp6kutw75ew6kk4vkmgcsatbsnadz3p3gb4cpq._file
Verdict:
malicious
Label(s):
dcrat
Create hunting rule
Similar samples:
269f5ab834dca3178e8f3befd49a9903b5434d743bf3cbd112f636a70f8a3a9d
DCRat
9543c0cf3d9dfd6765ad0b589c4170d90f4e5ca77b9125353ccabc691c39f91b
DCRat
ad40ca1cf9e2d8dd82a0d821598dbbf4ef232085cbfc87b7f9af41caab657a18
DCRat
c95e4d5e7d22991fdc472c95d1d042a44ded78ae9c654d7cebb30dad823d813b
DCRat
d06c0b20a27d2adcf82fd87832990af27b06ad1f80156b1e914451530efe1b03
DCRat
error
DCRat
+ 133 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/241130-1d62jazqbj/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
DCRat payload
DcRat
Dcrat family
Verdict:
Malicious
Tags:
rat dcrat DCRat Win.Packed.Uztuby-10015799-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Link:
https://app.threat.zone/submission/b12d7bdd-90d0-4d2e-a6f6-3b1c8ef788b9
Unpacked files
SH256 hash:
aab95596475ca74cede5ba50f642d92fa029f6f74f6faeae82a9a07285a5fb97
MD5 hash:
f4b38d0f95b7e844dd288b441ebc9aaf
SHA1 hash:
9cbf5c6e865ae50cec25d95ef70f3c8c0f2a6cbf
Link:
https://www.unpac.me/results/0e795d8c-0a04-4e1e-8ac6-14af7c1b54ec/
SH256 hash:
769033cfbe467601927bd8cecfd123a5c82c152d90215da6ab18fad9c2a7b623
MD5 hash:
9173897fc4e6d8d9faea55dc367d5a54
SHA1 hash:
71d961c414a07a476a3c184dd3db03d1f4328575
Link:
https://www.unpac.me/results/0e795d8c-0a04-4e1e-8ac6-14af7c1b54ec/
SH256 hash:
858fff104da670b640eff2a93b7fa4b794ae554c30a409864d00f3b7ecc1e09f
MD5 hash:
8c6e4c86c216b898f24ff14b417c4369
SHA1 hash:
266e7d01ba11cd7914451c798199596f4d2f7b53
Link:
https://www.unpac.me/results/0e795d8c-0a04-4e1e-8ac6-14af7c1b54ec/
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/858fff104da670b640eff2a93b7fa4b794ae554c30a409864d00f3b7ecc1e09f

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:DCRat
Create hunting rule
Author:Nikolaos 'n0t' Totosis
Description:DCRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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.

Web download

DCRat

Executable exe 858fff104da670b640eff2a93b7fa4b794ae554c30a409864d00f3b7ecc1e09f

(this sample)

  
Link
https://tria.ge/241130-z4lb3szmar/behavioral22
  
Delivery method
Distributed via web download

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