MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a01eeba030c1e36eaae04b0b9248c0d18fc681db86734435df933b9920bb4d7c. 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: 10


Intelligence 10 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a01eeba030c1e36eaae04b0b9248c0d18fc681db86734435df933b9920bb4d7c
SHA3-384 hash: 9e7ba38ccbcb24acd3dfffff55198b976e467560e738c8b4f4647d6d301d8418bd989276bab6ffd23ab05c4b8e47cfee
SHA1 hash: 34219772688edacfa543be43fa243ea293201752
MD5 hash: 0d53754a43a9bd57c3d9478690ae6a60
humanhash: michigan-september-nebraska-fillet
File name:0d53754a43a9bd57c3d9478690ae6a60.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:45'336 bytes
First seen:2021-02-23 08:03:26 UTC
Last seen:2021-02-23 10:48:48 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 768:yOqkwRGb2rcqKNMQifzWqlNSS80pLC+AATcTlIcTlt4cTlFJhY:yO3wCqKXirWqPBb3ITxTXTk
Threatray 1'591 similar samples on MalwareBazaar
TLSH D01328AD5DE30E22EB3E2B3961721A1106F033816116E53F1DCCAEFFA4C2AD3E196455
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
ghdyuienah123.freedynamicdns.org:2006

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
DLAgent06
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118542/
Detection(s):
SecuriteInfo.com.Variant.Bulz.368783.8641.2510.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Launching a process
Adding an access-denied ACE
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Creating a window
Deleting a recently created file
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Sending an HTTP GET request to an infection source
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:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/615009
Signature
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 356513 Sample: RG6ws8jWUJ.exe Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 92 Found malware configuration 2->92 94 Malicious sample detected (through community Yara rule) 2->94 96 Multi AV Scanner detection for submitted file 2->96 98 7 other signatures 2->98 11 RG6ws8jWUJ.exe 15 3 2->11         started        15 win.exe 2->15         started        17 win.exe 2->17         started        process3 dnsIp4 86 coroloboxorozor.com 172.67.172.17, 49734, 49737, 49738 CLOUDFLARENETUS United States 11->86 88 192.168.2.1 unknown unknown 11->88 108 Contains functionality to steal Chrome passwords or cookies 11->108 110 Contains functionality to capture and log keystrokes 11->110 112 Contains functionality to inject code into remote processes 11->112 118 2 other signatures 11->118 19 RG6ws8jWUJ.exe 4 4 11->19         started        22 WerFault.exe 23 9 11->22         started        24 cmd.exe 1 11->24         started        114 Hides threads from debuggers 15->114 116 Injects a PE file into a foreign processes 15->116 26 WerFault.exe 15->26         started        28 cmd.exe 15->28         started        30 win.exe 15->30         started        32 WerFault.exe 17->32         started        34 cmd.exe 17->34         started        36 win.exe 17->36         started        signatures5 process6 file7 72 C:\Users\user\AppData\Roaming\win.exe, PE32 19->72 dropped 74 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 19->74 dropped 38 wscript.exe 1 19->38         started        76 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 22->76 dropped 40 conhost.exe 24->40         started        42 timeout.exe 1 24->42         started        78 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 26->78 dropped 44 conhost.exe 28->44         started        46 timeout.exe 28->46         started        80 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 32->80 dropped 48 conhost.exe 34->48         started        50 timeout.exe 34->50         started        process8 process9 52 cmd.exe 1 38->52         started        process10 54 win.exe 14 3 52->54         started        58 conhost.exe 52->58         started        dnsIp11 84 coroloboxorozor.com 54->84 100 Multi AV Scanner detection for dropped file 54->100 102 Machine Learning detection for dropped file 54->102 104 Contains functionality to steal Chrome passwords or cookies 54->104 106 4 other signatures 54->106 60 win.exe 54->60         started        63 WerFault.exe 54->63         started        66 cmd.exe 54->66         started        signatures12 process13 dnsIp14 90 ghdyuienah123.freedynamicdns.org 46.243.239.78, 2006 TOTAL-SERVER-SOLUTIONSUS Netherlands 60->90 82 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 63->82 dropped 68 conhost.exe 66->68         started        70 timeout.exe 66->70         started        file15 process16
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a01eeba030c1e36eaae04b0b9248c0d18fc681db86734435df933b9920bb4d7c/
Threat name:
ByteCode-MSIL.Packed.Bulz
Create hunting rule
Status:
Malicious
First seen:
2021-02-23 01:55:16 UTC
AV detection:
15 of 48 (31.25%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uapoxibqyhrw5kxajmfzesga2gh4nao3qzzuino7sm5zsif3jv6a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
RemcosRAT
5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555
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5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
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8ad4673a5a2ee2234da8c27616549d2071d43e769850dad6b09ee95ed939d44c
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b4156e553eb5b0bad1d240dd170820106d6ca6bc0d1984a9d09030864349d964
RemcosRAT
c07fd0e28659f9346a6330682e6c598df98402f2b853b6e00fef908ce432ee42
RemcosRAT
da7f542b91835ba3090350c2936641058c361e332eda9222f0674dfcbefd4ce9
RemcosRAT
eea168e9c8f089b1c8aa25fe54e17f987ea0a85b24009197d77c08295f4cf2a4
RemcosRAT
f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
RemcosRAT
+ 1'581 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210223-kdemfnma46/
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
ghdyuienah123.freedynamicdns.org:2006
Unpacked files
SH256 hash:
a01eeba030c1e36eaae04b0b9248c0d18fc681db86734435df933b9920bb4d7c
MD5 hash:
0d53754a43a9bd57c3d9478690ae6a60
SHA1 hash:
34219772688edacfa543be43fa243ea293201752
Link:
https://www.unpac.me/results/084975ed-abb5-4eef-8c95-d4d46c704ae6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a01eeba030c1e36eaae04b0b9248c0d18fc681db86734435df933b9920bb4d7c

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

File information

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

Web download

RemcosRAT

Executable exe a01eeba030c1e36eaae04b0b9248c0d18fc681db86734435df933b9920bb4d7c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1025160/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/118542/

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