MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4adb71e14abbd1610c98487a1cedb9b35b6e219b4a33efdf9dbcf23aae47197. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4adb71e14abbd1610c98487a1cedb9b35b6e219b4a33efdf9dbcf23aae47197
SHA3-384 hash: 8f6bcd08f6b1782786d1d5861af8cf42da113af070eeae843c171d8e4112abaa7b61116c7055fce75c1ceada33923201
SHA1 hash: cfb3f03adb5dc8ad5e3ca46cb75d6ca6953aa2ef
MD5 hash: 4747edcd3d595a9fbf1b8d5ffffbf120
humanhash: white-william-paris-iowa
File name:4747edcd3d595a9fbf1b8d5ffffbf120.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:42'496 bytes
First seen:2021-02-04 09:33:03 UTC
Last seen:2021-02-04 11:44:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:yQxhYIJ6LNGK0mqxmJIPJgxJzNiCTJGOhrNUVGYTzwklp4adkN:yQHOGK0mqxEU2hHJGOhrNUV5Tzwqp4R
Threatray 1'511 similar samples on MalwareBazaar
TLSH D513F98DBEDC9566D0347E3B91752723033BA1D22D22BD063E8FC392F5249DA9D1861B
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
gdyhjjdhbvxgsfe.gotdns.ch:2177

Intelligence

File Origin
# of uploads :
2
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4747edcd3d595a9fbf1b8d5ffffbf120.exe
Verdict:
Suspicious activity
Analysis date:
2021-02-04 09:35:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b2900798-d7b6-4231-bcf2-22ddc3f6a7ce

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/115524/
Detection(s):
SecuriteInfo.com.Variant.Bulz.339626.20690.15689.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Adding an access-denied ACE
Creating a file
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
Creating a window
Deleting a recently created file
DNS request
Connection attempt
Launching the default Windows debugger (dwwin.exe)
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/598962
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
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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: 348521 Sample: 63hlr4ibbI.exe Startdate: 04/02/2021 Architecture: WINDOWS Score: 100 74 Multi AV Scanner detection for domain / URL 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 4 other signatures 2->80 9 63hlr4ibbI.exe 15 3 2->9         started        13 win.exe 4 2->13         started        16 win.exe 2->16         started        process3 dnsIp4 70 193.239.147.103, 49720, 49726, 49727 DEDIPATH-LLCUS Brunei Darussalam 9->70 90 Contains functionality to steal Chrome passwords or cookies 9->90 92 Contains functionality to capture and log keystrokes 9->92 94 Contains functionality to inject code into remote processes 9->94 96 Contains functionality to steal Firefox passwords or cookies 9->96 18 63hlr4ibbI.exe 4 4 9->18         started        21 WerFault.exe 23 9 9->21         started        23 cmd.exe 1 9->23         started        66 C:\Users\user\AppData\Local\...\win.exe.log, ASCII 13->66 dropped 98 Hides threads from debuggers 13->98 25 win.exe 13->25         started        28 cmd.exe 13->28         started        30 WerFault.exe 16->30         started        32 cmd.exe 16->32         started        34 win.exe 16->34         started        file5 signatures6 process7 dnsIp8 58 C:\Users\user\AppData\Roaming\win.exe, PE32 18->58 dropped 60 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 18->60 dropped 36 wscript.exe 1 18->36         started        62 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 21->62 dropped 38 conhost.exe 23->38         started        40 timeout.exe 1 23->40         started        72 gdyhjjdhbvxgsfe.gotdns.ch 172.111.156.131, 2177 M247GB United States 25->72 42 conhost.exe 28->42         started        44 timeout.exe 28->44         started        64 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 30->64 dropped 46 conhost.exe 32->46         started        48 timeout.exe 32->48         started        file9 process10 process11 50 cmd.exe 1 36->50         started        process12 52 win.exe 14 2 50->52         started        56 conhost.exe 50->56         started        dnsIp13 68 192.168.2.1 unknown unknown 52->68 82 Multi AV Scanner detection for dropped file 52->82 84 Contains functionality to steal Chrome passwords or cookies 52->84 86 Contains functionality to capture and log keystrokes 52->86 88 Contains functionality to steal Firefox passwords or cookies 52->88 signatures14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e4adb71e14abbd1610c98487a1cedb9b35b6e219b4a33efdf9dbcf23aae47197/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-02-04 07:04:01 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4sw3ohquvo6rmegjqsd2dtw3tm23nyqzwsrt57pz3phshkxeoglq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
RemcosRAT
5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
8ad4673a5a2ee2234da8c27616549d2071d43e769850dad6b09ee95ed939d44c
RemcosRAT
b4156e553eb5b0bad1d240dd170820106d6ca6bc0d1984a9d09030864349d964
RemcosRAT
c07fd0e28659f9346a6330682e6c598df98402f2b853b6e00fef908ce432ee42
RemcosRAT
da7f542b91835ba3090350c2936641058c361e332eda9222f0674dfcbefd4ce9
RemcosRAT
eea168e9c8f089b1c8aa25fe54e17f987ea0a85b24009197d77c08295f4cf2a4
RemcosRAT
f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
RemcosRAT
+ 1'501 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence ransomware rat
Link:
https://tria.ge/reports/210204-1pcnddv9zx/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Enumerates physical storage devices
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:
gdyhjjdhbvxgsfe.gotdns.ch:2177
Unpacked files
SH256 hash:
e4adb71e14abbd1610c98487a1cedb9b35b6e219b4a33efdf9dbcf23aae47197
MD5 hash:
4747edcd3d595a9fbf1b8d5ffffbf120
SHA1 hash:
cfb3f03adb5dc8ad5e3ca46cb75d6ca6953aa2ef
Link:
https://www.unpac.me/results/10eb01b2-4dc3-4615-abc1-d5764e2aae32/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e4adb71e14abbd1610c98487a1cedb9b35b6e219b4a33efdf9dbcf23aae47197

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: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

File information

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

Web download

RemcosRAT

Executable exe e4adb71e14abbd1610c98487a1cedb9b35b6e219b4a33efdf9dbcf23aae47197

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/988865/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/115524/

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