MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0823947e84275cb6348efabe268b0cb461ffc0f9ec3f6a6e97d514bf7cd4310d. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0823947e84275cb6348efabe268b0cb461ffc0f9ec3f6a6e97d514bf7cd4310d
SHA3-384 hash: 4af96e638e9863a1337fd33fdfdc7d85b5100cb9e862f2b8212881f95a4b7cefaf10ac8315b3199e184236c95ba9f290
SHA1 hash: f91c2ba6c48e545d5e1573e5af96c70596de6e5a
MD5 hash: e906dcfa1f501b9599e0ca8b1948dba9
humanhash: mexico-venus-kentucky-louisiana
File name:RFQ_211844_PR20Q-6706.pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:817'152 bytes
First seen:2021-01-15 15:53:39 UTC
Last seen:2021-01-15 17:51:16 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 12288:qijyopsD9JU6+46TCsIUMvYlJ8Jk9UVlcd:HVsRJU6n0CtUwYlJ8K
Threatray 1'391 similar samples on MalwareBazaar
TLSH 780529484B809317D7AC25BDDC0916ED16D0AF7CBE95E76BF9407063BA327A400FE1A6
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: zmta01.tradeindia.com
Sending IP: 14.140.162.138
From: Tom Nosker <info@medtechdevices.net>
Reply-To: Tom Nosker <enidoptitw@gmail.com>
Subject: REQUEST NEW QU8:55 AMOTE FOR ( PR0Q-6706)
Attachment: RFQ_211844_PR20Q-6706.pdf.gz (contains "RFQ_211844_PR20Q-6706.pdf.exe")

RemcosRAT C2:
194.5.97.174:1990

Hosted on nVpn:

% Information related to '194.5.97.0 - 194.5.97.255'

% Abuse contact for '194.5.97.0 - 194.5.97.255' is 'abuse@privacyfirst.sh'

inetnum: 194.5.97.0 - 194.5.97.255
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-UK5
country: GB
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
mnt-by: PRIVACYFIRST-MNT
status: SUB-ALLOCATED PA
created: 2018-07-23T09:31:45Z
last-modified: 2020-08-26T17:48:55Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_211844_PR20Q-6706.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 16:03:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/07ed1734-5ef7-4320-85af-afe6ab9a7c3f

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/112246/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.504.452.5452.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582660
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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
Detected unpacking (creates a PE file in dynamic memory)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicious Svchost Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340369 Sample: RFQ_211844_PR20Q-6706.pdf.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 76 avatars3.githubusercontent.com 2->76 78 avatars1.githubusercontent.com 2->78 80 3 other IPs or domains 2->80 106 Malicious sample detected (through community Yara rule) 2->106 108 Antivirus / Scanner detection for submitted sample 2->108 110 Multi AV Scanner detection for dropped file 2->110 112 13 other signatures 2->112 14 RFQ_211844_PR20Q-6706.pdf.exe 7 2->14         started        signatures3 process4 file5 70 C:\Users\user\AppData\Roaming\kBYyHmpq.exe, PE32 14->70 dropped 72 C:\Users\user\AppData\Local\...\tmpA302.tmp, XML 14->72 dropped 74 C:\...\RFQ_211844_PR20Q-6706.pdf.exe.log, ASCII 14->74 dropped 120 Contains functionality to steal Chrome passwords or cookies 14->120 122 Contains functionality to capture and log keystrokes 14->122 124 Contains functionality to inject code into remote processes 14->124 126 Contains functionality to steal Firefox passwords or cookies 14->126 18 RFQ_211844_PR20Q-6706.pdf.exe 3 5 14->18         started        21 schtasks.exe 1 14->21         started        23 RFQ_211844_PR20Q-6706.pdf.exe 14->23         started        25 2 other processes 14->25 signatures6 process7 file8 66 C:\Users\user\AppData\Roaming\...\system.exe, PE32 18->66 dropped 68 C:\Users\user\...\system.exe:Zone.Identifier, ASCII 18->68 dropped 27 wscript.exe 1 18->27         started        29 conhost.exe 21->29         started        process9 process10 31 cmd.exe 1 27->31         started        process11 33 system.exe 5 31->33         started        36 conhost.exe 31->36         started        signatures12 100 Multi AV Scanner detection for dropped file 33->100 102 Detected unpacking (creates a PE file in dynamic memory) 33->102 104 Injects a PE file into a foreign processes 33->104 38 system.exe 3 1 33->38         started        42 schtasks.exe 1 33->42         started        process13 dnsIp14 82 194.5.97.174, 1990, 49731, 49732 DANILENKODE Netherlands 38->82 114 Writes to foreign memory regions 38->114 116 Allocates memory in foreign processes 38->116 118 Injects a PE file into a foreign processes 38->118 44 svchost.exe 2 12 38->44         started        46 svchost.exe 38->46         started        48 svchost.exe 38->48         started        52 5 other processes 38->52 50 conhost.exe 42->50         started        signatures15 process16 process17 54 iexplore.exe 44->54         started        dnsIp18 84 192.168.2.1 unknown unknown 54->84 57 iexplore.exe 54->57         started        60 iexplore.exe 54->60         started        62 iexplore.exe 54->62         started        64 3 other processes 54->64 process19 dnsIp20 86 avatars3.githubusercontent.com 57->86 94 4 other IPs or domains 57->94 88 avatars3.githubusercontent.com 60->88 90 avatars1.githubusercontent.com 60->90 92 avatars3.githubusercontent.com 62->92 96 2 other IPs or domains 62->96 98 6 other IPs or domains 64->98
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0823947e84275cb6348efabe268b0cb461ffc0f9ec3f6a6e97d514bf7cd4310d/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-01-15 15:54:09 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=barzi7uee5olmneo7k7cncymwrq77qhz5q7wu3ux2ukl67gugegq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
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RemcosRAT
+ 1'381 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/210115-5zwta97166/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
194.5.97.174:1990
Unpacked files
SH256 hash:
bb4d3464e40e47c75ce76713aeab8712abaf8cd262cd7ad3055ca23119244ea6
MD5 hash:
2b9ad103a509cb11570d3457d4339274
SHA1 hash:
59a111bbe3de2a0b3dc12dfa166eea8e50729916
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/8b94a401-ec24-48e5-bd1b-2787155209b8/
SH256 hash:
7805daba6115e3958efce6824911019b53c8f2906c2a603b3d81cdd54842cd97
MD5 hash:
e297fae18801f690a15040c5889614dc
SHA1 hash:
8788c512d2ba9120a27cc4dc47656f71bef38291
Link:
https://www.unpac.me/results/8b94a401-ec24-48e5-bd1b-2787155209b8/
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/8b94a401-ec24-48e5-bd1b-2787155209b8/
SH256 hash:
0823947e84275cb6348efabe268b0cb461ffc0f9ec3f6a6e97d514bf7cd4310d
MD5 hash:
e906dcfa1f501b9599e0ca8b1948dba9
SHA1 hash:
f91c2ba6c48e545d5e1573e5af96c70596de6e5a
Link:
https://www.unpac.me/results/8b94a401-ec24-48e5-bd1b-2787155209b8/
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/0823947e84275cb6348efabe268b0cb461ffc0f9ec3f6a6e97d514bf7cd4310d

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
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

gz f896a1713ed4bbbba9ad9bda7f5c2b8d7c5e0afd9de9a2bfc9bfd33c872685f8

RemcosRAT

Executable exe 0823947e84275cb6348efabe268b0cb461ffc0f9ec3f6a6e97d514bf7cd4310d

(this sample)

  
Dropped by
MD5 7cf080a4fce45983b67324d587b6049c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112246/
  
Dropped by
SHA256 f896a1713ed4bbbba9ad9bda7f5c2b8d7c5e0afd9de9a2bfc9bfd33c872685f8

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