MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18beca395ea8cfba85e8fb26a3adc366bf7c047088c2fe16b4ed587cecd6e57f. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18beca395ea8cfba85e8fb26a3adc366bf7c047088c2fe16b4ed587cecd6e57f
SHA3-384 hash: 7e3d7a1196d674abab68413fb2fad6e53e6c5cc804faa2a56dfc4cb684eef24439aa1d6419c8bda2b66d8a27503943a8
SHA1 hash: d66f2c3af67121075ceffff26a47cf021a7dc251
MD5 hash: 3d8937ed63f1ea820068909d727ba58c
humanhash: summer-bulldog-beryllium-texas
File name:PO FH8765446878-17-10-2020,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:738'304 bytes
First seen:2020-10-17 12:07:35 UTC
Last seen:2020-10-17 13:04:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:yPwbeOvd/SPDAu2KFl0K3luXshfjC1k+KiPPUl/YASM:MYeWSPD2KFlX4881kwPM
Threatray 887 similar samples on MalwareBazaar
TLSH 08F48C51A6889F58E4BE43339435C83053FAFC569631C52E2DEA3DDF39B2F94A620712
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: ns1.uzbektourism.uz
Sending IP: 185.8.212.70
From: Paul <cpaul@aplmachinery.com>
Subject: Re: Order PO FH8765446878-17-10-2020
Attachment: PO FH8765446878-17-10-2020,pdf.iso (contains "PO FH8765446878-17-10-2020,pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/72546/
Detection(s):
SecuriteInfo.com.Artemis3D8937ED63F1.26291.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/494441
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
Detected Remcos RAT
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/18beca395ea8cfba85e8fb26a3adc366bf7c047088c2fe16b4ed587cecd6e57f/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-10-17 10:57:38 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dc7muok6vdh3vbpi7mtkhlodm27xybdqrdbp4fvu5vmhz3gw4v7q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1a1924da9d272ea46f8a0a62d7e2ecf01746e9a7621c8b1c36950788c3a3bd8c
RemcosRAT
485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
RemcosRAT
4ca67f02ee334674afe88b3a4329449ecbfb8d9f83ceccc9198c5edecdafa96b
RemcosRAT
71d7c76b658053e46f6dff1e25fc4ed32bdbe2afd879ce510ce79d327c34bc31
RemcosRAT
736bd7b09aa1e987edac64868cc8e5db0d86e709652e0588e2023d052f3def8f
RemcosRAT
76d694e6cd2c80db5b3e4a46497548a424e0f1babf5c36402cc48060ebe5ced0
RemcosRAT
80f45086395417ea3bda68a20d2fc5b0bc5050c000023d82544fd2b5b5a8ce89
RemcosRAT
8698337edbeaff1bcd719babffa69ff876d5ee74349886e5cba349b7cae7e19f
RemcosRAT
be83ef519ed5e3e444b10b4dd8a77515cda4993c6ce69f565405c9c2bd0901bc
RemcosRAT
d7c62c1526c39e136b5c7a703c92ec5f8a67c987a7414e0cbb145172671a2293
RemcosRAT
+ 877 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos
Link:
https://tria.ge/reports/201017-atydb1g5kj/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
incidencias6645.ddns.net:8638
Unpacked files
SH256 hash:
18beca395ea8cfba85e8fb26a3adc366bf7c047088c2fe16b4ed587cecd6e57f
MD5 hash:
3d8937ed63f1ea820068909d727ba58c
SHA1 hash:
d66f2c3af67121075ceffff26a47cf021a7dc251
Link:
https://www.unpac.me/results/bee15078-5fa2-459e-b44b-66914c57a7d4/
SH256 hash:
0acc004be67dd16d599a5955b23f05f80d865e5c736f67e48d0bbe788459ddee
MD5 hash:
b69774059a349bb98339565c5ae1f3c7
SHA1 hash:
b68b2e8a1d724d697dd581d13925d90f21a0ee59
Link:
https://www.unpac.me/results/bee15078-5fa2-459e-b44b-66914c57a7d4/
SH256 hash:
bcae4c5ca1ad436f05f6d52fbd3ffb22aeea32492b4dd378bd715869d81622fa
MD5 hash:
c81a2fbd4541f3ede628bcffa0c0d379
SHA1 hash:
ccbe2d29399246fea9c29cd62efda8277749fe58
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/bee15078-5fa2-459e-b44b-66914c57a7d4/
Parent samples :
d18e31c42d64a21777bb04a3b0015d415050a6303ae3d864f129ecb50f0f87bb
736bd7b09aa1e987edac64868cc8e5db0d86e709652e0588e2023d052f3def8f
857ad0bf941ee434d96692477bec16c72571ce266091ba4bcc6952f409aff198
0f0f600613b5b1d1e9d80c6229d2ec639d4477d107fa080a5f58d3f61997bceb
18beca395ea8cfba85e8fb26a3adc366bf7c047088c2fe16b4ed587cecd6e57f
7a6f6659840dc30d797d816e1b2bbeb847c36c2e330fe45369b9037a113e8bc6
a0e87c60c05c9b9a184ad81e279fabb2e997ab1d79cba0248548d846ecab8510
94f225b0d4018228ee1c69317cd8f369f3c343378145e41cdf939d4dd30b988d
SH256 hash:
02961c5677b5e3d9f0ed1bbc462b07b3eeb160e9d2f4f1af12849dbaf2467840
MD5 hash:
d2effc23227837eb9ad44dfd0f9c136c
SHA1 hash:
d86ebfc388a0a32103abf1c3c11e1110e96c9a49
Link:
https://www.unpac.me/results/bee15078-5fa2-459e-b44b-66914c57a7d4/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/bee15078-5fa2-459e-b44b-66914c57a7d4/
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/18beca395ea8cfba85e8fb26a3adc366bf7c047088c2fe16b4ed587cecd6e57f

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: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: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

iso 96b3a9cba322269900ed8782d825e7bcc9520cb86b7c169f09a772db34f5af31

RemcosRAT

Executable exe 18beca395ea8cfba85e8fb26a3adc366bf7c047088c2fe16b4ed587cecd6e57f

(this sample)

  
Dropped by
MD5 316ca469c63e65f2027b2c6e04eb7525
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/72546/
  
Dropped by
SHA256 96b3a9cba322269900ed8782d825e7bcc9520cb86b7c169f09a772db34f5af31

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