MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1730338ca0fbfe0985bed5638fc8599a6dd38761ab8b89e3d8a076947a320028. 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


RemcosRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1730338ca0fbfe0985bed5638fc8599a6dd38761ab8b89e3d8a076947a320028
SHA3-384 hash: 28a97345f1e7558fc899cf9e47b405cecaac620453950351671e21877771acffe0d21d15d199afb131f5b6e37aa3dfa3
SHA1 hash: 6fb0a031365530ebb273f47f034181a530e31b70
MD5 hash: a3e458f7e2e1f940b0c62042afe607d3
humanhash: don-arkansas-batman-wyoming
File name:ShippingDocs.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:56'832 bytes
First seen:2021-10-07 14:53:13 UTC
Last seen:2021-10-07 16:26:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:IpDibfoA3wDu3Y6Uk9jg+rr6GbOsKpeQiQKWZ:IpDib+Dud7r6GiX8QiQ/Z
Threatray 704 similar samples on MalwareBazaar
TLSH T1A0438C60EA846A98DADECB32E46BC38447F05D451C26C49C0FE53AAF5E733D4691A13B
File icon (PE):PE icon
dhash icon e09a676060678ee0 (14 x AsyncRAT, 5 x ValleyRAT, 4 x Formbook)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ShippingDocs.exe
Verdict:
Malicious activity
Analysis date:
2021-10-07 14:55:01 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/8c9e1c92-8781-4b7d-ab85-c0cbd94393ee

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/195882/
Detection(s):
SecuriteInfo.com.Trojan00577e181.15614.32350.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
obfuscated packed remcos
Link:
https://www.filescan.io/uploads/615f0a0e98a6280f3933ba0e/reports/23620cc7-7cad-4952-99b7-020912880613/overview
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/64cac95c-7454-4c55-b667-8f332d93849e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/866485
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an undocumented autostart registry key
Delayed program exit found
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 498913 Sample: ShippingDocs.exe Startdate: 07/10/2021 Architecture: WINDOWS Score: 100 85 github.com 2->85 87 avatars.githubusercontent.com 2->87 113 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->113 115 Malicious sample detected (through community Yara rule) 2->115 117 Multi AV Scanner detection for dropped file 2->117 119 8 other signatures 2->119 10 ShippingDocs.exe 16 8 2->10         started        signatures3 process4 dnsIp5 93 store2.gofile.io 31.14.69.10, 443, 49828 LINKER-ASFR Virgin Islands (BRITISH) 10->93 77 C:\Users\user\AppData\Local\zoom.exe, PE32 10->77 dropped 79 C:\Users\user\AppData\...\ShippingDocs.exe, PE32 10->79 dropped 81 C:\Users\...\ShippingDocs.exe:Zone.Identifier, ASCII 10->81 dropped 83 C:\Users\user\...\ShippingDocs.exe.log, ASCII 10->83 dropped 121 Creates an undocumented autostart registry key 10->121 123 Writes to foreign memory regions 10->123 125 Allocates memory in foreign processes 10->125 127 Injects a PE file into a foreign processes 10->127 15 ShippingDocs.exe 10->15         started        19 powershell.exe 74 10->19         started        21 powershell.exe 10->21         started        23 powershell.exe 10->23         started        file6 signatures7 process8 dnsIp9 101 yedaibi.com 185.19.85.171, 49872, 8760 DATAWIRE-ASCH Switzerland 15->101 105 Multi AV Scanner detection for dropped file 15->105 107 Detected unpacking (creates a PE file in dynamic memory) 15->107 109 Contains functionality to steal Chrome passwords or cookies 15->109 111 6 other signatures 15->111 25 svchost.exe 15->25         started        27 svchost.exe 15->27         started        29 svchost.exe 15->29         started        37 9 other processes 15->37 103 twitter.com 104.244.42.65 TWITTERUS United States 19->103 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        signatures10 process11 process12 39 chrome.exe 25->39         started        42 chrome.exe 25->42         started        44 chrome.exe 27->44         started        46 chrome.exe 27->46         started        48 chrome.exe 29->48         started        50 chrome.exe 29->50         started        52 chrome.exe 37->52         started        54 chrome.exe 37->54         started        56 8 other processes 37->56 dnsIp13 89 192.168.2.1 unknown unknown 39->89 91 239.255.255.250 unknown Reserved 39->91 58 chrome.exe 39->58         started        61 chrome.exe 42->61         started        63 chrome.exe 44->63         started        65 chrome.exe 46->65         started        67 chrome.exe 48->67         started        69 chrome.exe 50->69         started        71 chrome.exe 52->71         started        73 chrome.exe 54->73         started        75 8 other processes 56->75 process14 dnsIp15 95 clients.l.google.com 142.250.185.142, 443, 49875, 54260 GOOGLEUS United States 58->95 97 accounts.google.com 142.250.203.109, 443, 49874 GOOGLEUS United States 58->97 99 10 other IPs or domains 58->99
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1730338ca0fbfe0985bed5638fc8599a6dd38761ab8b89e3d8a076947a320028/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-10-07 13:39:23 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c4ydhdfa7p7atbn62vry7scztjw5hb3bvofyty6yub3ji6rsaaua._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
226d0ea20dccb9f0b091d02ccacaec73b537fc9b61157eff759b74d742d48b00
RemcosRAT
5000f900d0d52fb1b6634d0437711ab10c9184d080c852f17b2fb114a35446a8
RemcosRAT
6f476c63a6d699d1f0166313deb1e0f623c689882de8411bcd4f0b4f880526dd
RemcosRAT
772a319b31a1922eadd022f30aa60680e911f758d4c81c4dbf16614cf7791f0a
RemcosRAT
9a50c056a96999f841ea1ef7bb6674da47579f5cafe02e295c75e980b36219a9
RemcosRAT
a3faa214333ce59ed895410e011c4cbd44fe51b26ed5bf2a0ed54e225616f893
RemcosRAT
b3e18d1026779e01b6bc834a8da488eeb669e5e366ef8d495c109c0f1424d3c1
RemcosRAT
b9c5a6059ee5150b5837e446196c4349571d80336b438056f687d7044cd246b9
RemcosRAT
bfd45ef21e21655c921b457242c1d4e05a1e979d0051a4195192d8e17b7bed38
RemcosRAT
e4b26e2c09188228c4db16281887a17e90baaf95c7b691fa75d05af9f79ff20a
RemcosRAT
+ 694 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remusd31k brand:microsoft persistence phishing rat
Link:
https://tria.ge/reports/211007-r9wq1acef7/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
yedaibi.com:8760
Unpacked files
SH256 hash:
1730338ca0fbfe0985bed5638fc8599a6dd38761ab8b89e3d8a076947a320028
MD5 hash:
a3e458f7e2e1f940b0c62042afe607d3
SHA1 hash:
6fb0a031365530ebb273f47f034181a530e31b70
Link:
https://www.unpac.me/results/522754c2-1cd0-4898-a944-b26235066a61/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1730338ca0fb/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/1730338ca0fbfe0985bed5638fc8599a6dd38761ab8b89e3d8a076947a320028

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: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.

Malspam

RemcosRAT

Executable exe 1730338ca0fbfe0985bed5638fc8599a6dd38761ab8b89e3d8a076947a320028

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/195882/

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