MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9e9036ea6ac587bcaab8c8b4a5537a092b54dd4daeed3254df7bb4af6926c90. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments
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SHA256 hash: a9e9036ea6ac587bcaab8c8b4a5537a092b54dd4daeed3254df7bb4af6926c90
SHA3-384 hash: 157bc2fe0c68f0c5815040ae4aeb73b34019060b1fe7ac3c7f2f6d2000b1583787fac6bc480c7c24e6370945f4bc1ffd
SHA1 hash: 2ab2eee9d22a50341505536f05a80b0531e484b8
MD5 hash: 1233086b3f8eee226cd0c75d219e0c36
humanhash: alpha-video-london-stairway
File name:1233086b3f8eee226cd0c75d219e0c36.exe
Download: download sample
Signature RemcosRAT
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File size:591'360 bytes
First seen:2020-11-08 17:44:31 UTC
Last seen:2020-11-14 18:00:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Aeg5BVWBAvahvIQxY0bxG7tjdJajclCV3Li09zDT:QVYe0p2tjdWn3
Threatray 1'051 similar samples on MalwareBazaar
TLSH B6C4E1CDF60446B9D82D16B0347A5C2103627E7588E09F7D794DB6FB27F32A91026F2A
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
4
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.hc.27425.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Launching a process
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Unauthorized injection to a system process
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.
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/525595
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 311928 Sample: JCyd7veT4X.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Detected Remcos RAT 2->40 42 3 other signatures 2->42 6 JCyd7veT4X.exe 1 3 2->6         started        10 chase.exe 1 2->10         started        12 chase.exe 2->12         started        process3 file4 28 C:\Users\user\chase.exe, PE32 6->28 dropped 30 C:\Users\user\chase.exe:Zone.Identifier, ASCII 6->30 dropped 32 C:\Users\user\AppData\...\JCyd7veT4X.exe.log, ASCII 6->32 dropped 44 Drops PE files to the user root directory 6->44 46 Writes to foreign memory regions 6->46 48 Maps a DLL or memory area into another process 6->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 6->50 14 RegAsm.exe 6->14         started        17 RegAsm.exe 2 6->17         started        20 RegAsm.exe 6->20         started        52 Multi AV Scanner detection for dropped file 10->52 54 Machine Learning detection for dropped file 10->54 22 RegAsm.exe 10->22         started        24 RegAsm.exe 10->24         started        26 RegAsm.exe 12->26         started        signatures5 process6 dnsIp7 56 Contains functionality to steal Chrome passwords or cookies 14->56 58 Contains functionality to capture and log keystrokes 14->58 60 Contains functionality to inject code into remote processes 14->60 62 Contains functionality to steal Firefox passwords or cookies 14->62 34 ndma.chickenkiller.com 213.152.161.149, 31411, 49721 GLOBALLAYERNL Netherlands 17->34 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a9e9036ea6ac587bcaab8c8b4a5537a092b54dd4daeed3254df7bb4af6926c90/
Threat name:
Win32.Trojan.Wacatac
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Status:
Malicious
First seen:
2020-11-08 17:46:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vhuqg3vgvrmhxsvlrsfuuvjxucjlktou3lxngjkn665uv5usnsia._file
Verdict:
malicious
Label(s):
remcos
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Similar samples:
2aca994114835d2663353454df341285535994068284d9cbbb03e2e87f388b80
RemcosRAT
3270cfe3f15d8303d43e64e082d89eabb0737af61637393ed6d4922c3cba3909
RemcosRAT
596802440276cf7c17a24c0f108f21647579ca06d6bd1299bea1b82d5121afa1
RemcosRAT
5a418e084b49b740a94d307baf45d67ac25db462fdeb80065fb60ffeb197273f
RemcosRAT
60cb0cb27fa975e50e9a2b2b5538a0b1b30070171b775ed531297b0b76268905
RemcosRAT
6d5f672d7f0f898fcbd61de854ebb606307557eccfd30b5e0cd76f689da29234
RemcosRAT
95167e64d46e5f0e9821b379aa7e412f57d14fe11e613bdcab38cb47dc217bbc
RemcosRAT
a351faaa23105c8fde3cada56019c460dd7bc8579e027dfb56ef630e0b8649c5
RemcosRAT
c583fe59628fa5aa1146213fd49234db4509dc5cc451861c9b3a314b52d9a3e7
RemcosRAT
e037b5ebac7b3ac81b3e268268dbd072784c73f178662e4a66e5e57d7e8a67c3
RemcosRAT
+ 1'041 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201108-7kpdv61bs6/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
ndma.chickenkiller.com:31411
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/a9e9036ea6ac587bcaab8c8b4a5537a092b54dd4daeed3254df7bb4af6926c90

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:ach_RemcosRAT
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Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
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Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
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Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
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Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
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Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe a9e9036ea6ac587bcaab8c8b4a5537a092b54dd4daeed3254df7bb4af6926c90

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/587553/
  
Delivery method
Distributed via web download

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