MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b19b6261188bd102c2139595fa66347ee5717906e85d9fa90fd20e4209a91b0. 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: 6b19b6261188bd102c2139595fa66347ee5717906e85d9fa90fd20e4209a91b0
SHA3-384 hash: d2fa849630eefeeb132a087ec4ed79c579f08949d19e3097e11d8033997be6f8c58229ff557a9482239b553b24882410
SHA1 hash: ad0209b5a2c75b4142a0c01e911c325b5a21875b
MD5 hash: f776932b4fee4d07cb4497ebc4aae056
humanhash: summer-pizza-winner-delta
File name:order 353673.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'119'744 bytes
First seen:2021-03-10 07:00:45 UTC
Last seen:2021-03-10 08:50:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:xUyGTpjWKGlGG++txcsC/C18vCQXG0kXssROmSq1mlmd6lkOZ:oG4StD8vLW09sR+YUBl
Threatray 120 similar samples on MalwareBazaar
TLSH ED35E015E6A88575F02A37B469B2137A0B7E2D23E922DBAD7780F1DA05713C14DE3F06
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: slot0.cliveit.com
Sending IP: 194.31.96.114
From: Martina Manachini <postmaster@cliveit.com>
Reply-To: Martina Manachini <harneet@giorgio-fr.xyz>
Subject: order 353673
Attachment: order 353673.zip (contains "order 353673.exe")

RemcosRAT C2:
aaeeerbbbeee.duckdns.org

Intelligence

File Origin
# of uploads :
2
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
order 353673.exe
Verdict:
Malicious activity
Analysis date:
2021-03-10 07:03:53 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/49d0124a-be4a-43c2-8158-1c3ba54b213f

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/123474/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.73437.24107.25074.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Launching a process
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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/633923
Signature
Allocates memory in foreign processes
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
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
Delayed program exit found
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Suspicious Svchost Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 365933 Sample: order 353673.exe Startdate: 10/03/2021 Architecture: WINDOWS Score: 100 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 15 other signatures 2->69 13 order 353673.exe 3 2->13         started        17 remcos.exe 2 2->17         started        process3 file4 49 C:\Users\user\...\order 353673.exe.log, ASCII 13->49 dropped 83 Injects a PE file into a foreign processes 13->83 19 order 353673.exe 4 5 13->19         started        23 remcos.exe 17->23         started        signatures5 process6 dnsIp7 55 192.168.2.1 unknown unknown 19->55 45 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 19->45 dropped 47 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 19->47 dropped 25 wscript.exe 1 19->25         started        file8 process9 process10 27 cmd.exe 1 25->27         started        process11 29 remcos.exe 3 27->29         started        32 conhost.exe 27->32         started        signatures12 77 Multi AV Scanner detection for dropped file 29->77 79 Detected unpacking (creates a PE file in dynamic memory) 29->79 81 Injects a PE file into a foreign processes 29->81 34 remcos.exe 4 3 29->34         started        process13 dnsIp14 51 fieldsdegreenf.duckdns.org 79.134.225.79, 49722, 49723, 49725 FINK-TELECOM-SERVICESCH Switzerland 34->51 53 aaeeerbbbeee.duckdns.org 34->53 71 Writes to foreign memory regions 34->71 73 Allocates memory in foreign processes 34->73 75 Injects a PE file into a foreign processes 34->75 38 svchost.exe 34->38         started        signatures15 process16 process17 40 iexplore.exe 38->40         started        process18 42 iexplore.exe 40->42         started        dnsIp19 57 github.com 140.82.121.3, 443, 49735, 49736 GITHUBUS United States 42->57 59 avatars.githubusercontent.com 185.199.108.133, 443, 49741, 49742 FASTLYUS Netherlands 42->59 61 consentdeliveryfd.azurefd.net 42->61
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-10 01:02:12 UTC
AV detection:
9 of 28 (32.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nmm3mjqrrc6ralbbhfmv7jtdi7xfof4qn2c5t6uq7uqoiie2sgya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
26c230cde9fb7544f7e3762f1abac39f6c8f0d2db0689178b223e0e68d2a6a0a
RemcosRAT
57a1ee826afb333572965abe745c06597d0111f75494c586619d6b23d9ceda10
RemcosRAT
8c38dbbc3834ab600313e6cd32e0e1a077726f002a608b5cbf9baa87ff11f90f
RemcosRAT
9736f5417c474a27c98a2323894d7948a0841fb74615e1909c0fabddc1e8bc2d
RemcosRAT
b0dad01939e09e869b27e59d7a7d7c79fdd31bb4a8c52153844c23c3c34bf368
RemcosRAT
b782581b1ca3da09fdf3ecbb173ee3ca1f313f5f325f407df976601cad8ce839
RemcosRAT
d6bb7d0218b0894bcc733065261069c1cb4e151b4ca367f37e888d2beacc0dd9
RemcosRAT
d94560cd6d50d7d21e77bc064c508f5569329d6c2a074859ba3b1ea2f64142ec
RemcosRAT
e4e47b27c701e89ac6a550ab1f8ecb6058c79d9f9bca9a56ec71e3baf01dc545
RemcosRAT
ef6ac1293cdfda22c8d940f96c5433f406a4c3666e6941e4f094a8cf50d04ac1
RemcosRAT
+ 110 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210310-arrdwphpsj/
Behaviour
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
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
fieldsdegreenf.duckdns.org:6553
aaeeerbbbeee.duckdns.org:6553
Unpacked files
SH256 hash:
1510861928b533e1529c1ffe7c6d57d9e5e928830d0afb28fd0fa730ff83fbdc
MD5 hash:
8f85df46a482b5b068ae7667bf1a33d6
SHA1 hash:
a210d369311aa4d709dc962c634174738576907e
Link:
https://www.unpac.me/results/e882f6c4-4d2e-45a9-b50b-9eaac345b099/
SH256 hash:
f057ee46174c11db2ff2e0542e4d5c8e32bbfe9db924850be58b3d8ddc8f63c2
MD5 hash:
341fd7abbe8e34342a21baf150fc35dd
SHA1 hash:
7838928fbaaac533a7a3c4f86a0dd994bde83159
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/e882f6c4-4d2e-45a9-b50b-9eaac345b099/
Parent samples :
6b19b6261188bd102c2139595fa66347ee5717906e85d9fa90fd20e4209a91b0
4ab84e93828d782ad5eda161c3780b9bb7b4ef767df36ba07e6d61a5aa5388b1
SH256 hash:
1eef04a89e6775f370a0ea409f49e55c8cc1fa15020ea8248b138b3a92883888
MD5 hash:
19cd18c54b1e5a6ea34f0baf52792d9e
SHA1 hash:
3caf7d934b952f3f52c56cf177c58cc00456a146
Link:
https://www.unpac.me/results/e882f6c4-4d2e-45a9-b50b-9eaac345b099/
SH256 hash:
6b19b6261188bd102c2139595fa66347ee5717906e85d9fa90fd20e4209a91b0
MD5 hash:
f776932b4fee4d07cb4497ebc4aae056
SHA1 hash:
ad0209b5a2c75b4142a0c01e911c325b5a21875b
Link:
https://www.unpac.me/results/e882f6c4-4d2e-45a9-b50b-9eaac345b099/
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/6b19b6261188bd102c2139595fa66347ee5717906e85d9fa90fd20e4209a91b0

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: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: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_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Malspam

RemcosRAT

zip c4bad9066a65b4b9b535920eef879a5ffcd81ea81b7e24a436b69ca079adda64

RemcosRAT

Executable exe 6b19b6261188bd102c2139595fa66347ee5717906e85d9fa90fd20e4209a91b0

(this sample)

  
Dropped by
MD5 1867b866784d08571c5462cb36f6d860
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/123474/
  
Dropped by
SHA256 c4bad9066a65b4b9b535920eef879a5ffcd81ea81b7e24a436b69ca079adda64

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