MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecee44992b84f86f98c14b5af66451c9e6306e7db33d038cef6d7292988da559. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecee44992b84f86f98c14b5af66451c9e6306e7db33d038cef6d7292988da559
SHA3-384 hash: 0ba5a9ab2b3386cd4194f199f12fe8265c012a102cfca9f6797e20d17756bc1d6e26f3242abac52eaf2e3d4b84ae64ee
SHA1 hash: 3cb00962e67dfdfd31308cb95bb6917bdcc960cb
MD5 hash: d2b4d6870c4064039ae9db9ab008ded6
humanhash: uniform-fanta-shade-minnesota
File name:d2b4d6870c4064039ae9db9ab008ded6.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:663'040 bytes
First seen:2020-12-19 12:49:40 UTC
Last seen:2020-12-19 14:33:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:xvzXnVcQoVPgwvUTR0QQ8x2eFUY1HASslr/NMf5mWwW2YO:xvDVcQagwvUt0Qvx2ebslrNMEW
Threatray 1'338 similar samples on MalwareBazaar
TLSH 26E48E07B7C24A94C894B6B6D3FDDA9823B1E2DB1310475B134D83A4DF532DB7A0E686
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d2b4d6870c4064039ae9db9ab008ded6.exe
Verdict:
Malicious activity
Analysis date:
2020-12-19 12:58:24 UTC
Tags:
trojan rat remcos stealer taurus predator autoit
Link:
https://app.any.run/tasks/54ea179c-14c6-4cb0-be6f-829fd07c3c45

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/108551/
Detection(s):
SecuriteInfo.com.Variant.Bulz.273483.25365.9187.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Sending a UDP request
Connecting to a non-recommended domain
Sending a custom TCP request
DNS request
Reading critical registry keys
Creating a file in the %temp% directory
Deleting a recently created file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Containing strings that indicate a threat
Sending an HTTP POST request
Replacing files
Stealing user critical data
Unauthorized injection to a recently created process by context flags manipulation
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
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/566795
Signature
Antivirus detection for dropped file
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Drops PE files with a suspicious file extension
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Certutil Command
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 332481 Sample: 2OfH3605ic.exe Startdate: 19/12/2020 Architecture: WINDOWS Score: 100 68 cdn.onenote.net 2->68 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for dropped file 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 6 other signatures 2->82 12 2OfH3605ic.exe 3 2->12         started        signatures3 process4 file5 60 C:\Users\user\AppData\...\2OfH3605ic.exe.log, ASCII 12->60 dropped 102 Detected unpacking (creates a PE file in dynamic memory) 12->102 104 Contains functionality to steal Chrome passwords or cookies 12->104 106 Contains functionality to capture and log keystrokes 12->106 108 3 other signatures 12->108 16 2OfH3605ic.exe 2 16 12->16         started        signatures6 process7 dnsIp8 64 80.82.77.221, 2606, 49722, 49724 INT-NETWORKSC Netherlands 16->64 66 cuckoorental.com 148.72.81.148, 443, 49725 AS-26496-GO-DADDY-COM-LLCUS United States 16->66 56 C:\Users\user\Desktop\dwn.exe, PE32 16->56 dropped 58 C:\Users\user\AppData\Local\...\adb[1].exe, PE32 16->58 dropped 74 Injects a PE file into a foreign processes 16->74 21 dwn.exe 11 16->21         started        24 2OfH3605ic.exe 1 16->24         started        26 2OfH3605ic.exe 13 16->26         started        29 2 other processes 16->29 file9 signatures10 process11 dnsIp12 86 Antivirus detection for dropped file 21->86 88 Contains functionality to register a low level keyboard hook 21->88 31 cmd.exe 1 21->31         started        33 cmd.exe 1 21->33         started        90 Tries to steal Instant Messenger accounts or passwords 24->90 72 192.168.2.1 unknown unknown 26->72 signatures13 process14 process15 35 cmd.exe 1 31->35         started        38 conhost.exe 31->38         started        40 conhost.exe 33->40         started        signatures16 84 Uses ping.exe to sleep 35->84 42 rundll32.com 35->42         started        45 certutil.exe 2 35->45         started        48 certutil.exe 2 35->48         started        50 2 other processes 35->50 process17 file18 98 Injects a PE file into a foreign processes 42->98 52 rundll32.com 42->52         started        62 C:\Users\user\AppData\Local\...\rundll32.com, PE32 45->62 dropped 100 Drops PE files with a suspicious file extension 45->100 signatures19 process20 dnsIp21 70 62.77.159.31, 49733, 80 RACKRAYUABRakrejusLT Lithuania 52->70 92 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 52->92 94 Tries to steal Mail credentials (via file access) 52->94 96 Tries to harvest and steal browser information (history, passwords, etc) 52->96 signatures22
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ecee44992b84f86f98c14b5af66451c9e6306e7db33d038cef6d7292988da559/
Threat name:
ByteCode-MSIL.Backdoor.Rescoms
Create hunting rule
Status:
Malicious
First seen:
2020-12-19 12:50:06 UTC
AV detection:
17 of 48 (35.42%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11b16ba733f2f4f10ac58021eecaf5668551a73e2a1acfae99745c50bfccbb44
RemcosRAT
21691425c52cf7a77c0e3a65cc1c0c59cb026d5b76e78160ebb8a553f9bbe50c
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232e0519807d6bd5adad7c4617644803d6e3b3524595dfd80d5eadcc001c99f1
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4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
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4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
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5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
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82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
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9930543939f97818319ed031530d9e084994331aa4b06a304faeb321bbcc63db
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'328 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos discovery rat spyware stealer
Link:
https://tria.ge/reports/201219-evzbr9tmzx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Reads user/profile data of web browsers
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
80.82.77.221:2606
Unpacked files
SH256 hash:
ecee44992b84f86f98c14b5af66451c9e6306e7db33d038cef6d7292988da559
MD5 hash:
d2b4d6870c4064039ae9db9ab008ded6
SHA1 hash:
3cb00962e67dfdfd31308cb95bb6917bdcc960cb
Link:
https://www.unpac.me/results/786fc82b-5328-46b4-beab-31eec82e33f1/
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
Link:
https://www.unpac.me/results/786fc82b-5328-46b4-beab-31eec82e33f1/
SH256 hash:
46d3802acb6c708fcba3fa7b0432b362a06220c078e4a16c89b248022d753e72
MD5 hash:
2706c4174f7f3794cf3428823e8e452b
SHA1 hash:
9f135a396459c2ef6b501fd6a0ad66d683da7e24
Link:
https://www.unpac.me/results/786fc82b-5328-46b4-beab-31eec82e33f1/
SH256 hash:
f9c341679423a3ac010b7da292ab6d1ef0ae7e995cd085ada95e1384ba3af38c
MD5 hash:
b1c72a8e99542c64507470535686ddd9
SHA1 hash:
fe3bec4b6e2b7091db68705feb59090c24c8b6ed
Link:
https://www.unpac.me/results/786fc82b-5328-46b4-beab-31eec82e33f1/
SH256 hash:
f0e3502269aacd0c9e790a5663e4ca574b7421e101cab2fea4ebe76caf03c2e1
MD5 hash:
2b4d2bc5bec048698f376764bd9c8aa8
SHA1 hash:
8c15382a0067d61957320c992256d193854040a1
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/786fc82b-5328-46b4-beab-31eec82e33f1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ecee44992b84f86f98c14b5af66451c9e6306e7db33d038cef6d7292988da559

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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
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
Rule name:win_remcos_g0
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de>

File information

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

Web download

RemcosRAT

Executable exe ecee44992b84f86f98c14b5af66451c9e6306e7db33d038cef6d7292988da559

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/108551/
  
URLhaus
https://urlhaus.abuse.ch/url/928402/
  
Delivery method
Distributed via web download

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