MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
SHA3-384 hash: 8155f7f4b5dadfe8e352981668aa823c51185cce307e263aed2453efee6533f615cbfc7079a8c2b921dbdaa6b6576a01
SHA1 hash: 8d34650cf49db6f95526a098e4022731293b9572
MD5 hash: e9e690a74d7f76f800c267b09a64a0d5
humanhash: hot-high-twenty-batman
File name:PROPARCO26OCTUBRE2020-NS10,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:619'184 bytes
First seen:2020-10-27 09:03:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:5C9/oIxFo2b51UMWvgxROuA4xXwkhY4QWi9t2s/HiqkOc1/WjS7iB7Af:5C9/fK2b51UMWv4xXbhc9P/HVOKS8g
Threatray 978 similar samples on MalwareBazaar
TLSH 1AD4AC3D6E8826E36177E676A4F50587FEE8618673781C4B02C32B486D4AF063E9734D
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: s7.itlinkonline.com
Sending IP: 95.217.94.198
From: George Tzivelopoulos <ventas4@propaco.com.py>
Subject: PO 14704 - MEL - 20' TC Reefer / Sailing Schedule
Attachment: PROPARCO26OCTUBRE2020-NS10,pdf.iso (contains "PROPARCO26OCTUBRE2020-NS10,pdf.exe")

RemcosRAT C2:
storyofpadi.ddns.net:2130 (79.134.225.69)

Pointing to nVpn:

% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79724/
Detection(s):
PUA.Win.Trojan.Generic-6629274-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/513110
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 305672 Sample: PROPARCO26OCTUBRE2020-NS10,... Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 28 storyofpadi.ddns.net 2->28 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for dropped file 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 12 other signatures 2->38 7 PROPARCO26OCTUBRE2020-NS10,pdf.exe 1 4 2->7         started        11 vlc.exe 2->11         started        13 vlc.exe 1 2->13         started        signatures3 process4 file5 26 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->26 dropped 40 Contains functionalty to change the wallpaper 7->40 42 Contains functionality to steal Chrome passwords or cookies 7->42 44 Contains functionality to capture and log keystrokes 7->44 46 3 other signatures 7->46 15 PROPARCO26OCTUBRE2020-NS10,pdf.exe 2 7->15         started        18 vlc.exe 11->18         started        20 vlc.exe 11->20         started        22 vlc.exe 11->22         started        24 vlc.exe 13->24         started        signatures6 process7 dnsIp8 30 storyofpadi.ddns.net 79.134.225.69, 2130, 49718, 49719 FINK-TELECOM-SERVICESCH Switzerland 15->30
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-10-26 16:32:50 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2nhfrdel56oo6olqrrjpp43sxtkll7bz4tvpboizhksyniinptba._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
046ff9f608525faf76e353263ddad485e547ff4797b183ddd850f0f2c8209f91
RemcosRAT
485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
RemcosRAT
65228df6e85371a2b4b1e5340f11e36cdc94f8b39bda216c0ed143eaac36912b
RemcosRAT
676deae3db8218b9bf16e0ae37abde30655464de43497b2af747e53626f3735e
RemcosRAT
7a6f6659840dc30d797d816e1b2bbeb847c36c2e330fe45369b9037a113e8bc6
RemcosRAT
b530ffc8af72cb51943f2fb8f38bc778c4544f57b61de593960dd4a97327ca64
RemcosRAT
c1b8ac7a35b93c51a87d3d4d6f55cf774073c476df7ed0104ca2f05072fedaa6
RemcosRAT
ca60958a09d1cd5817504857d90b846a9ce6f6ee1bed7686318b3741108b709c
RemcosRAT
cb4567c5c6b82e5de38e47ac7047d3d7d072d3b235ff537090ee5d96fcf1e22b
RemcosRAT
e32decb9aac454a38a186b4f7bc59e471c78e2cf6a5fff25c0d8b68d1c46805c
RemcosRAT
+ 968 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/201027-51r5fgerkn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
storyofpadi.ddns.net:2130
Please note that we are no longer able to provide a coverage score for Virus Total.

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 87c71ab625a0cb4f741bd928fde828fa737cc8e2141c85518d9b8f7d445463d9

RemcosRAT

Executable exe d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2

(this sample)

  
Dropped by
MD5 904dc664782ce2e4bb2f90126748b07b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 87c71ab625a0cb4f741bd928fde828fa737cc8e2141c85518d9b8f7d445463d9
Cape
Cape
https://www.capesandbox.com/analysis/79724/

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