MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 281549f327a530e786e962b96f77904882a494e6685c6e67d8af8c7752a237c3. 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: 13


Intelligence 13 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 281549f327a530e786e962b96f77904882a494e6685c6e67d8af8c7752a237c3
SHA3-384 hash: 552c2c4740be2e18681baadf60d85a963832832b433e416d5b770149134e4afd7ac58362fdc5b33de338e2dc04029a0c
SHA1 hash: baac5e2ea431103d831e352ab5a3b469987a4aa6
MD5 hash: 77c9c1f471446d79fe937d5e73414bdd
humanhash: spring-lactose-jersey-mexico
File name:77c9c1f471446d79fe937d5e73414bdd.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:297'472 bytes
First seen:2021-12-19 04:07:16 UTC
Last seen:2021-12-19 05:29:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5865534cf92870d611aa6cf226405c03 (17 x RedLineStealer, 3 x DCRat, 1 x Tofsee)
ssdeep 6144:LPhWSX67JRPagEQ2qSUSzOal6YWfY/QBCXxgvRp8:da7JRSgEQ2qSjzOaYY30CXxt
Threatray 5'982 similar samples on MalwareBazaar
TLSH T171549D00F7A0C435F1B762F849F993BC693EB9A16B35A0CB12D116EA5674AE0DC7034B
File icon (PE):PE icon
dhash icon 2dac137031939b91 (13 x Amadey, 8 x RedLineStealer, 6 x Smoke Loader)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://89.108.77.46/httpGameDbLinux.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://89.108.77.46/httpGameDbLinux.php https://threatfox.abuse.ch/ioc/277657/

Intelligence

File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/215222/
Detection(s):
SecuriteInfo.com.Variant.Jaik.49901.11296.2265.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Searching for synchronization primitives
Reading critical registry keys
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/2570/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61beb027ec6c6c14a9e18dc7/reports/9c3931e1-9d64-4589-bae2-215ffc1d4e5e/overview
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f07d5b9a-0051-4efb-9f78-99fe2e962913
Result
Threat name:
Amadey RedLine SmokeLoader Tofsee Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/909725
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes security center settings (notifications, updates, antivirus, firewall)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses netsh to modify the Windows network and firewall settings
Yara detected Amadey bot
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 542203 Sample: sYIsxmcBe4.exe Startdate: 19/12/2021 Architecture: WINDOWS Score: 100 86 microsoft-com.mail.protection.outlook.com 40.93.207.0, 25, 49849 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 2->86 88 transfer.sh 2->88 90 5 other IPs or domains 2->90 118 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->118 120 Multi AV Scanner detection for domain / URL 2->120 122 Antivirus detection for URL or domain 2->122 124 13 other signatures 2->124 11 sYIsxmcBe4.exe 2->11         started        14 ucjvgsj 2->14         started        16 svchost.exe 2->16         started        18 8 other processes 2->18 signatures3 process4 dnsIp5 154 Contains functionality to inject code into remote processes 11->154 156 Injects a PE file into a foreign processes 11->156 21 sYIsxmcBe4.exe 11->21         started        158 Machine Learning detection for dropped file 14->158 24 ucjvgsj 14->24         started        160 Changes security center settings (notifications, updates, antivirus, firewall) 16->160 26 MpCmdRun.exe 16->26         started        92 127.0.0.1 unknown unknown 18->92 28 WerFault.exe 18->28         started        signatures6 process7 signatures8 126 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 21->126 128 Maps a DLL or memory area into another process 21->128 130 Checks if the current machine is a virtual machine (disk enumeration) 21->130 132 Creates a thread in another existing process (thread injection) 21->132 30 explorer.exe 12 21->30 injected 35 conhost.exe 26->35         started        process9 dnsIp10 96 185.233.81.115, 443, 49789 SUPERSERVERSDATACENTERRU Russian Federation 30->96 98 185.7.214.171, 49818, 8080 DELUNETDE France 30->98 100 12 other IPs or domains 30->100 78 C:\Users\user\AppData\Roaming\ucjvgsj, PE32 30->78 dropped 80 C:\Users\user\AppData\Local\Temp\BD46.exe, PE32 30->80 dropped 82 C:\Users\user\AppData\Local\Temp\9DC6.exe, PE32 30->82 dropped 84 6 other files (5 malicious) 30->84 dropped 102 System process connects to network (likely due to code injection or exploit) 30->102 104 Benign windows process drops PE files 30->104 106 Deletes itself after installation 30->106 108 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->108 37 5B31.exe 30->37         started        40 9048.exe 127 30->40         started        44 9DC6.exe 30->44         started        46 2 other processes 30->46 file11 signatures12 process13 dnsIp14 134 Multi AV Scanner detection for dropped file 37->134 136 Machine Learning detection for dropped file 37->136 138 Injects a PE file into a foreign processes 37->138 48 5B31.exe 37->48         started        51 conhost.exe 37->51         started        94 file-file-host4.com 40->94 72 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 40->72 dropped 74 C:\ProgramData\sqlite3.dll, PE32 40->74 dropped 140 Detected unpacking (changes PE section rights) 40->140 142 Detected unpacking (overwrites its own PE header) 40->142 144 Tries to harvest and steal browser information (history, passwords, etc) 40->144 152 2 other signatures 40->152 76 C:\Users\user\AppData\Local\...\iwuuwvra.exe, PE32 44->76 dropped 146 Uses netsh to modify the Windows network and firewall settings 44->146 148 Modifies the windows firewall 44->148 53 cmd.exe 44->53         started        55 cmd.exe 44->55         started        58 sc.exe 44->58         started        62 2 other processes 44->62 150 Sample uses process hollowing technique 46->150 60 WerFault.exe 23 9 46->60         started        file15 signatures16 process17 file18 110 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 48->110 112 Maps a DLL or memory area into another process 48->112 114 Checks if the current machine is a virtual machine (disk enumeration) 48->114 116 Creates a thread in another existing process (thread injection) 48->116 64 conhost.exe 53->64         started        70 C:\Windows\SysWOW64\...\iwuuwvra.exe (copy), PE32 55->70 dropped 66 conhost.exe 58->66         started        68 conhost.exe 62->68         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/281549f327a530e786e962b96f77904882a494e6685c6e67d8af8c7752a237c3/
Threat name:
Win32.Trojan.Mikey
Create hunting rule
Status:
Malicious
First seen:
2021-12-19 03:33:06 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fakut4zhuuyopbxjmk4w654qjcbkjfhgnbog4z6yv6ghouvcg7bq._file
Verdict:
malicious
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1d1fc9d23aa14b4f484fb86c173c94084bc14a9f551747b6e06366649a229af5
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387619129ba37b0a3574d3bae80df37ef2213e27ea2a9d903365e226f6ad2c64
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433cf9125a44e304eca2c5cf3bfe2af0b1deafd1c5e8d13d559e1bac9de711b3
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47ec411eab0aa15619f24caa6256ed4ca5cfc695a26f5b71830b53b07c22b05b
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68b90031cf6d8870b5719281dbfd45c97db2b8b0e696ea5f997c8de57b54dd7f
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c9f18cc71c7a1fa61d43a32dfb858f9aa247324a188f8182981b853266d3b1c7
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d836a03e0b7eeabbc971de7d3e6fcc11bf06e13e633d11118c7429b3abb3c4ed
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edf105b04e5bd8f534cb569945ecaad365d6366e163627d5652520a0368a52c2
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f7b5a27355eafa5302a38a1e0adadcb619b6d42e7c1707a784297634a180a66f
DCRat
+ 5'972 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/211219-ep85daggbr/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://host-data-coin-11.com/
http://file-coin-host-12.com/
Unpacked files
SH256 hash:
196c516ea546fb935ac669681a74a4dc80da79d9088f464f6cc6f126ae934f4e
MD5 hash:
c36de8bc9668ec4eaafca4c349dca0d5
SHA1 hash:
ea2cadfada69b93ca3abeb8b2462c5c18891fabf
Link:
https://www.unpac.me/results/60b4edcf-dc65-454b-ba0a-da4881f05c57/
Parent samples :
6b2d7c8bdedb901d80c89717c9889abf169c9059d8bb545af6ca1960660324ad
8928eed86ea55a63e3646bf8ca403b4b1e57702f73c1ecc8fa403b5700a304ef
18ad362dcae8df5827846223c09ceba7766e09733b685d4067ee39037daec452
da39948d95cdbce6e1ca9e0fdbb77080164a379f593e530b5732d3fc38df7bf8
7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb
92ebb6be19502fe2573a9eac183bcc657b88ac5b0344285d9db409b0a3d88dab
af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b
de8099732ee5b73f3fa6d032a74e8576d06663fc16b2c6da27a34444fdced1c8
SH256 hash:
281549f327a530e786e962b96f77904882a494e6685c6e67d8af8c7752a237c3
MD5 hash:
77c9c1f471446d79fe937d5e73414bdd
SHA1 hash:
baac5e2ea431103d831e352ab5a3b469987a4aa6
Link:
https://www.unpac.me/results/60b4edcf-dc65-454b-ba0a-da4881f05c57/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/281549f327a5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/281549f327a530e786e962b96f77904882a494e6685c6e67d8af8c7752a237c3

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_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Web download

DCRat

Executable exe 281549f327a530e786e962b96f77904882a494e6685c6e67d8af8c7752a237c3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1886977/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/215222/

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