MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7c0ef5975ecda4d1804b3e82d7eb8634f4f3f0bd3406087fc2aaa972d2d8bd8. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments

SHA256 hash: d7c0ef5975ecda4d1804b3e82d7eb8634f4f3f0bd3406087fc2aaa972d2d8bd8
SHA3-384 hash: 2fc47bdf0cc157309101758511d3305f9eb7f5209b0e766c4405771a8c14e222ee5b41b3ea3b57e379b9b89989fb25b2
SHA1 hash: c514da93b94b7eee2b7b20d0bec6a98dd90003fa
MD5 hash: 332174cb39192fd763191ce017302203
humanhash: pip-south-equal-red
File name:SCAN0233U4.exe
Download: download sample
Signature RemcosRAT
File size:34'216 bytes
First seen:2021-02-02 09:44:42 UTC
Last seen:2021-02-02 12:18:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:jpGwbXbG2I/Ueosh7fnBuiy9ZQ/oWoZuMfhV2j:wwbXbeUvspfnBub9hWoZuMqj
Threatray 1'500 similar samples on MalwareBazaar
TLSH 91E2E8E5338C0B92D1AFFB35327360134B306593F6678E6BA99623572851BC01FA7A17
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: slot0.frookes.com
Sending IP: 203.159.80.42
From: Trelleborg Industrial Products Germany GmbH <office@frookes.com>
Reply-To: cudillojapzon@hotmail.com
Subject: AW: Trelleborg Anfrage
Attachment: SCAN0233U4.r11 (contains "SCAN0233U4.exe")

RemcosRAT C2:
wealthkogd.hopto.org:5200 (194.5.98.154)

Pointing to nVpn:

% Information related to '194.5.98.0 - 194.5.98.255'

% Abuse contact for '194.5.98.0 - 194.5.98.255' is 'abuse@privacyfirst.sh'

inetnum: 194.5.98.0 - 194.5.98.255
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.
netname: PRIVACYFIRST-NO
country: NO
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-04-26T16:42:54Z
last-modified: 2020-10-07T21:35:29Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SCAN0233U4.exe
Verdict:
Suspicious activity
Analysis date:
2021-02-02 09:51:13 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Sending a UDP request
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Creating a window
Deleting a recently created file
Creating a file
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
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
Sending a TCP request to an infection source
Sending an HTTP GET request to an infection source
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Hides threads from debuggers
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 347256 Sample: SCAN0233U4.exe Startdate: 02/02/2021 Architecture: WINDOWS Score: 100 84 Malicious sample detected (through community Yara rule) 2->84 86 Detected Remcos RAT 2->86 88 Yara detected Remcos RAT 2->88 90 2 other signatures 2->90 11 SCAN0233U4.exe 15 3 2->11         started        15 star.exe 2->15         started        17 star.exe 2->17         started        process3 dnsIp4 82 193.239.147.103, 49731, 49732, 49733 DEDIPATH-LLCUS Brunei Darussalam 11->82 98 Contains functionality to steal Chrome passwords or cookies 11->98 100 Contains functionality to capture and log keystrokes 11->100 102 Contains functionality to inject code into remote processes 11->102 108 2 other signatures 11->108 19 SCAN0233U4.exe 4 5 11->19         started        22 WerFault.exe 23 9 11->22         started        25 cmd.exe 1 11->25         started        104 Hides threads from debuggers 15->104 106 Injects a PE file into a foreign processes 15->106 27 cmd.exe 15->27         started        29 star.exe 15->29         started        31 WerFault.exe 15->31         started        33 cmd.exe 17->33         started        35 star.exe 17->35         started        signatures5 process6 dnsIp7 70 C:\Users\user\AppData\Roaming\...\star.exe, PE32 19->70 dropped 72 C:\Users\user\...\star.exe:Zone.Identifier, ASCII 19->72 dropped 37 wscript.exe 1 19->37         started        78 192.168.2.1 unknown unknown 22->78 74 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 22->74 dropped 39 conhost.exe 25->39         started        41 timeout.exe 1 25->41         started        43 conhost.exe 27->43         started        45 timeout.exe 27->45         started        47 conhost.exe 33->47         started        49 timeout.exe 33->49         started        file8 process9 process10 51 cmd.exe 1 37->51         started        process11 53 star.exe 14 3 51->53         started        56 conhost.exe 51->56         started        signatures12 92 Multi AV Scanner detection for dropped file 53->92 94 Hides threads from debuggers 53->94 96 Injects a PE file into a foreign processes 53->96 58 star.exe 53->58         started        62 cmd.exe 53->62         started        64 WerFault.exe 53->64         started        process13 dnsIp14 80 wealthkogd.hopto.org 194.5.98.154, 49738, 5200 DANILENKODE Netherlands 58->80 76 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 58->76 dropped 66 conhost.exe 62->66         started        68 timeout.exe 62->68         started        file15 process16
Threat name:
ByteCode-MSIL.Trojan.Abuja
Status:
Malicious
First seen:
2021-02-02 09:45:46 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence ransomware rat
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
wealthkogd.hopto.org:5200
Unpacked files
SH256 hash:
d7c0ef5975ecda4d1804b3e82d7eb8634f4f3f0bd3406087fc2aaa972d2d8bd8
MD5 hash:
332174cb39192fd763191ce017302203
SHA1 hash:
c514da93b94b7eee2b7b20d0bec6a98dd90003fa
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
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
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

Executable exe d7c0ef5975ecda4d1804b3e82d7eb8634f4f3f0bd3406087fc2aaa972d2d8bd8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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