MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5f803db7130a7863d26ce38997bea3d62e7c166f27c878576cb482e9618a22a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5f803db7130a7863d26ce38997bea3d62e7c166f27c878576cb482e9618a22a
SHA3-384 hash: b9e9ca70f6f77ac5d663307eab94fd258469da330eaf23bd3ae64b7393dc70df9febb092e1bb29acf9650ab170b24fba
SHA1 hash: 5ed5f60302a754827a7e564fda5909f93acae0e0
MD5 hash: 5089d39ca379c138703e8ec8449c4b16
humanhash: maryland-table-pennsylvania-texas
File name:1818033- Urban Equipment.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:346'416 bytes
First seen:2020-08-10 09:47:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:xYbIemtGrLJ0v8L4HTGqZcuM6bbvjZrqcm1:xYbnmtGr96m4TGqZ0uqn1
Threatray 774 similar samples on MalwareBazaar
TLSH D5742990E255E8E8E42D043A85B9E535161B9B7EF4B4493F249E341DA5B738320FBE0F
Reporter abuse_ch
Tags:RAT RemcosRAT scr


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: vepo.donoralpha.com
Sending IP: 111.118.214.86
From: Emilia Garcia <info@benito.com>
Subject: RFQ no. 1818033- Urban Equipment
Attachment: 1818033- Urban Equipment.cab (contains "1818033- Urban Equipment.scr")

RemcosRAT C2:
172.111.200.225:8069

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/42633/
Detection(s):
Win.Trojan.Hzzv-7433640-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Connection attempt
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Enabling autorun
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/416688
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Binary contains a suspicious time stamp
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
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Detected Remcos RAT
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260741 Sample: 1818033- Urban Equipment.scr Startdate: 10/08/2020 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Detected Remcos RAT 2->37 39 Yara detected Remcos RAT 2->39 41 5 other signatures 2->41 6 1818033- Urban Equipment.exe 2 2 2->6         started        10 1818033- Urban Equipment.exe 3 2->10         started        12 1818033- Urban Equipment.exe 4 2->12         started        14 1818033- Urban Equipment.exe 3 2->14         started        process3 file4 29 C:\Users\...\1818033- Urban Equipment.exe, PE32 6->29 dropped 31 1818033- Urban Equ...exe:Zone.Identifier, ASCII 6->31 dropped 51 Creates an undocumented autostart registry key 6->51 53 Writes to foreign memory regions 6->53 55 Allocates memory in foreign processes 6->55 16 CasPol.exe 2 3 6->16         started        57 Creates autostart registry keys with suspicious names 10->57 59 Injects a PE file into a foreign processes 10->59 21 CasPol.exe 10->21         started        23 CasPol.exe 12->23         started        25 CasPol.exe 14->25         started        signatures5 process6 dnsIp7 33 172.111.200.225, 8069 M247GB United States 16->33 27 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 16->27 dropped 43 Contains functionality to steal Chrome passwords or cookies 16->43 45 Contains functionality to capture and log keystrokes 16->45 47 Contains functionality to inject code into remote processes 16->47 49 Contains functionality to steal Firefox passwords or cookies 16->49 file8 signatures9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c5f803db7130a7863d26ce38997bea3d62e7c166f27c878576cb482e9618a22a/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-08-10 09:49:08 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yx4ahw3rgctympjgzy4js67khvropqlg6j6ipblwznec5fqyuiva._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f307822855aabba644e0f79751eeb5f26e0575ae5ade7c6507c6d1ea7a64725
RemcosRAT
3b13ea61e91a0312f8c187096e435168cee2d2277c46373d01899497345bd0e9
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667d35d2cff2979ca84df0afe1eca6c164e1d919b989e16b97166c7a30c77a87
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6d6c5f16e0a786ca6fd218be24a98fe8ea46b6d73fa77a84e31b22717d81aad8
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738ea925d9f26dc03c18efd41de5e310285a36eef0147e7767a25dcf3fb1b24d
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93c327b46d6354a91a9b20311a2f1e1873e132765816ec26443eb1971ccd2946
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af1cf572150e95fd75306a13eb3d2306e1e1fb4ef6c238f53f30f2525389e07b
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b8a03fd14b3a3695af8b6c781eb946214a98986279678c6b2a477f22ba1ac3cf
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c0a656a2f73c254ed2f1e73630083849890b7c1e36161e89fe29d2fd014f9fff
RemcosRAT
f9441d3651d67748ec1a2fd325ea1aa9d914208c7fae0853e5b769e52e66ccb8
RemcosRAT
+ 764 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/200810-pta6mwwvgs/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Remcos
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
172.111.200.225:8069
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c5f803db7130a7863d26ce38997bea3d62e7c166f27c878576cb482e9618a22a

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
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Author:abuse.ch
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 5b2dfc96efb7440d3fb649d9f15329b2a0987c0c947e1b2778cd8f7f3ffbb36a

RemcosRAT

Executable exe c5f803db7130a7863d26ce38997bea3d62e7c166f27c878576cb482e9618a22a

(this sample)

  
Dropped by
MD5 8ab98451078bc4223a05938e0004fb50
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42633/
  
Dropped by
SHA256 5b2dfc96efb7440d3fb649d9f15329b2a0987c0c947e1b2778cd8f7f3ffbb36a

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