MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2925ab4b7c0267fb273b9125b81673c84525a2e974119dd6c6f3c10ac6675f5. 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: a2925ab4b7c0267fb273b9125b81673c84525a2e974119dd6c6f3c10ac6675f5
SHA3-384 hash: f2ca3acf3a8c70008a921ab116ba75a808b68a2dd199095ffd10743c61cd8dea8803ab972de81284d0620eacb88f2143
SHA1 hash: 17757b821ee9b081fcc142dcc7aff5a147de6095
MD5 hash: e8f7d121f3d4e0d641a12895c7b287ac
humanhash: virginia-venus-pizza-ink
File name:Sydler_Remedies_PO-SCAN-3K4RQ4WPJ4.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:296'960 bytes
First seen:2021-01-18 08:25:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3fa489abaee814a61ce0966e1954db55 (12 x Loki, 7 x RemcosRAT, 3 x SnakeKeylogger)
ssdeep 6144:1T/4GM4T/r+1uqtxxo3zDAEsttDNiYAm18yposWmXkpioV:B4GbT/r+XtczrsttDNiYA1yLWmXkNV
Threatray 1'404 similar samples on MalwareBazaar
TLSH 5C54CF3436D0D032C553157546A4CBB28EBA78736A71B48F7BDA0DBA5F346E2963830E
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: mail.etrendsolutions.com
Sending IP: 108.179.205.37
From: <info@egypt-stones.com>
Subject: FW: PO FOR 12 containers OF Marbles and Granites
Attachment: Sydler_Remedies_PO-SCAN-3K4RQ4WPJ4.rar (contains "Sydler_Remedies_PO-SCAN-3K4RQ4WPJ4.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sydler_Remedies_PO-SCAN-3K4RQ4WPJ4.exe
Verdict:
Malicious activity
Analysis date:
2021-01-18 08:47:42 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/6c18a460-6e4e-49a2-bcee-65a3e82e094c

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/112468/
Detection(s):
PUA.Win.Downloader.Firseria-6804617-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
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
Creating a window
Deleting a recently created file
Running batch commands
Sending a UDP request
DNS request
Connection attempt
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
Deleting of the original file
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:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/583718
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
Contains functionalty to change the wallpaper
Detected Remcos RAT
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340896 Sample: Sydler_Remedies_PO-SCAN-3K4... Startdate: 18/01/2021 Architecture: WINDOWS Score: 100 42 www.maneediem.com 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Detected Remcos RAT 2->48 50 3 other signatures 2->50 9 owerrinta.exe 2->9         started        12 Sydler_Remedies_PO-SCAN-3K4RQ4WPJ4.exe 2->12         started        14 owerrinta.exe 2->14         started        signatures3 process4 signatures5 54 Multi AV Scanner detection for dropped file 9->54 56 Contains functionalty to change the wallpaper 9->56 58 Machine Learning detection for dropped file 9->58 60 Contains functionality to steal Firefox passwords or cookies 9->60 16 owerrinta.exe 2 4 9->16         started        62 Contains functionality to steal Chrome passwords or cookies 12->62 64 Contains functionality to capture and log keystrokes 12->64 66 Contains functionality to inject code into remote processes 12->66 20 Sydler_Remedies_PO-SCAN-3K4RQ4WPJ4.exe 12->20         started        23 Sydler_Remedies_PO-SCAN-3K4RQ4WPJ4.exe 12->23         started        68 Maps a DLL or memory area into another process 14->68 process6 dnsIp7 38 www.maneediem.com 194.5.97.155, 2404, 49728, 49730 DANILENKODE Netherlands 16->38 40 192.168.2.1 unknown unknown 16->40 32 C:\Users\user\AppData\Roaming\...\logs.dat, data 16->32 dropped 52 Maps a DLL or memory area into another process 20->52 25 Sydler_Remedies_PO-SCAN-3K4RQ4WPJ4.exe 4 5 20->25         started        28 owerrinta.exe 20->28         started        file8 signatures9 process10 file11 34 C:\Users\user\AppData\...\owerrinta.exe, PE32 25->34 dropped 36 C:\Users\...\owerrinta.exe:Zone.Identifier, ASCII 25->36 dropped 30 wscript.exe 25->30         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2925ab4b7c0267fb273b9125b81673c84525a2e974119dd6c6f3c10ac6675f5/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-01-18 04:04:34 UTC
AV detection:
18 of 44 (40.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukjfvnfxyath7mttxejfxalhhscfewros5artxlmn46bbldgox2q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
07cb866df6df9ad51ce01426b0a0466834619e72c2653ff7c25320cc3c0a3f9a
RemcosRAT
4f718a40662228b1b5efca4664eb07f6d1918b62bc8b29598410d1dc5bb76c70
RemcosRAT
6da5a41c6dd6f0ddc638a3bccceeae8132814f605971a2f9eb1af58040f60eb8
RemcosRAT
9502b93f782ae19b93623605f74ebc2ee277a453ecd2286ef990d62c28a601e6
RemcosRAT
9888381eb68d98f0581ab81845f2fc9e15af6ba1193a131bdf60497e3a3d1247
RemcosRAT
98d8bbdf43367821e74fd0c26f5bdda07fe9a750476cce1bb0df88c5aa18b745
RemcosRAT
bf0e82358921791e16998b942e600a500a967f6e5c5b034a675af7e49663a34f
RemcosRAT
e7c74f89332dcf4bf0ebaa50d960a8c82a521ca2c9608ecbb13e719e9744b5ca
RemcosRAT
f05b74930aa9777625a66d2852fb0b690461ef0b5598d35b2d7959721456600d
RemcosRAT
fa5850a0ba8809631d4e3f5a3f8cafa133b3d6ae37088eeb934ec13d1bc9f368
RemcosRAT
+ 1'394 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210118-tcwda2ymex/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
www.maneediem.com:2404
Unpacked files
SH256 hash:
a2925ab4b7c0267fb273b9125b81673c84525a2e974119dd6c6f3c10ac6675f5
MD5 hash:
e8f7d121f3d4e0d641a12895c7b287ac
SHA1 hash:
17757b821ee9b081fcc142dcc7aff5a147de6095
Link:
https://www.unpac.me/results/4a9ecc34-a10e-40a1-b1a6-515bef1eba2b/
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/a2925ab4b7c0267fb273b9125b81673c84525a2e974119dd6c6f3c10ac6675f5

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

File information

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

Malspam

RemcosRAT

rar f766757cdbced4f756ba6808c30eaf9874f9a01e95cd369def66223c14a5a3b9

RemcosRAT

Executable exe a2925ab4b7c0267fb273b9125b81673c84525a2e974119dd6c6f3c10ac6675f5

(this sample)

  
Dropped by
MD5 8eab34f5d6342c538607714ad90d0c48
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112468/
  
Dropped by
SHA256 f766757cdbced4f756ba6808c30eaf9874f9a01e95cd369def66223c14a5a3b9

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