MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5ca22bbabc03325eb7c4d27a6a135125bfa5ce74102cf9e5ddfe67e92f5dea0. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5ca22bbabc03325eb7c4d27a6a135125bfa5ce74102cf9e5ddfe67e92f5dea0
SHA3-384 hash: dd97519ea5c46818973040867a0eaa1baff997219e49d178c21acc76fd2312367c64555b0afd0ea5ba55f6db057b0037
SHA1 hash: e46a68bb2a47efbfa56b73ee6075844cbb4ca23c
MD5 hash: d26702e1036d83879c0fee80a9af8054
humanhash: tennessee-texas-arizona-alaska
File name:f5ca22bbabc03325eb7c4d27a6a135125bfa5ce74102cf9e5ddfe67e92f5dea0
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:987'648 bytes
First seen:2021-08-31 06:47:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:CnwK0WikoNb0AtitY3pz/kL7JTw7YAFH:VKIkWoKiW3xkL7JTw7LFH
Threatray 2 similar samples on MalwareBazaar
TLSH T16325BF303AD89176E0BB5F7349A7B58153BFF9136F17D94E284513C90B13A02CA72B6A
Reporter JAMESWT_WT
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f5ca22bbabc03325eb7c4d27a6a135125bfa5ce74102cf9e5ddfe67e92f5dea0
Verdict:
Malicious activity
Analysis date:
2021-08-31 07:35:12 UTC
Tags:
rat remcos trojan
Link:
https://app.any.run/tasks/2da3d563-5db9-4876-a2d0-6e5b6a584b3e

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/184022/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.899-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process from a recently created file
Deleting a recently created file
Enabling autorun by creating a file
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0c890917-0b96-4d52-a3ad-9139eb555cf2
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842373
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
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: Powershell Defender Exclusion
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 474805 Sample: vnIeiIh6rA Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 11 other signatures 2->41 7 vnIeiIh6rA.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\...\SuEbJdcYgbzFU.exe, PE32 7->27 dropped 29 C:\...\SuEbJdcYgbzFU.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp9541.tmp, XML 7->31 dropped 33 C:\Users\user\AppData\...\vnIeiIh6rA.exe.log, ASCII 7->33 dropped 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Adds a directory exclusion to Windows Defender 7->45 11 powershell.exe 25 7->11         started        13 powershell.exe 24 7->13         started        15 powershell.exe 7->15         started        17 6 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f5ca22bbabc03325eb7c4d27a6a135125bfa5ce74102cf9e5ddfe67e92f5dea0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-04 14:09:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
28 of 46 (60.87%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
631fb1da56ae2f35d174ab2a11bb248c6d49d08012c8111eeba6fc7fc5d4d183
RemcosRAT
85357994a91c91c084eee5b52997631a7fd879f5fd0523bb2b01c9e1c7beb531
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:anbritz-file rat
Link:
https://tria.ge/reports/210831-r4efn636gs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
www.anbritz.com:2555
Unpacked files
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
Link:
https://www.unpac.me/results/9ca7bda4-6b62-48ab-89ad-1ebd47e27a30/
SH256 hash:
3c1fea2841d7c3d842996156933c0f26a99cf334c730dfd22db430f9f68fa983
MD5 hash:
c3463a9bf7d3c1072f36f2168dab11a0
SHA1 hash:
c27fc288c013bc92724902b02561d5502f0753ca
Link:
https://www.unpac.me/results/9ca7bda4-6b62-48ab-89ad-1ebd47e27a30/
SH256 hash:
0a1422d6bf8d20302ed9232c6ef133d1840f6d6eee9bfbeea1141631d66f488d
MD5 hash:
3f0dd23e05e6274dfc7d53b8d04e9cc0
SHA1 hash:
6f3d3e106a3726575c0410371f73c12926dd2ca8
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/9ca7bda4-6b62-48ab-89ad-1ebd47e27a30/
Parent samples :
5541f9d1656fe9d24b9048afc1dd005bf25d9aacac4e57f932bbdb19919776dd
f5ca22bbabc03325eb7c4d27a6a135125bfa5ce74102cf9e5ddfe67e92f5dea0
SH256 hash:
f5ca22bbabc03325eb7c4d27a6a135125bfa5ce74102cf9e5ddfe67e92f5dea0
MD5 hash:
d26702e1036d83879c0fee80a9af8054
SHA1 hash:
e46a68bb2a47efbfa56b73ee6075844cbb4ca23c
Link:
https://www.unpac.me/results/9ca7bda4-6b62-48ab-89ad-1ebd47e27a30/
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/f5ca22bbabc03325eb7c4d27a6a135125bfa5ce74102cf9e5ddfe67e92f5dea0

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: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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/184022/

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