MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74ac8fc2b4b1a8d3a9aa59496ea6fcd5669e26ed51fec6c3a62a9a68bea89343. 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: 74ac8fc2b4b1a8d3a9aa59496ea6fcd5669e26ed51fec6c3a62a9a68bea89343
SHA3-384 hash: 0474dd09fb20ac8f4475b2079ecf746382c4db92065e55307b133d97b2b7a5f25022e51da28aa70e8283252899db3b3d
SHA1 hash: 70fa15d267a9c4a563796df4aeef1a8bfec0e011
MD5 hash: 4c95b4e3635b639f4c9293e22e9a6c7c
humanhash: venus-west-network-red
File name:New order for 1x40ft container.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:787'760 bytes
First seen:2020-10-15 11:58:21 UTC
Last seen:2020-10-15 13:28:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:8InlYIPC9PV6eFjNZZmtU0draUvn+n1zW2LdwAx+6G19FaLdp3k3c3k333k343kk:XTCgJdWMn+nVWCCyu9oLdC
Threatray 838 similar samples on MalwareBazaar
TLSH C0F45C49318BECE6A675DBA8579212FCB5F521DC05C3E06C3FA06AD400F319E16BBE25
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: serve0.manneytran.pw
Sending IP: 23.254.228.203
From: Oscar Lee<hr@manneytran.pw>
Subject: New order from Dongguan Lianyi Co., Ltd
Attachment: New order for 1x40ft container.rar (contains "New order for 1x40ft container.exe")

RemcosRAT C2:
79.134.225.80:1952

Hosted on 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 :
2
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/71354/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader35.871.19369.31311.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Sending a UDP request
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Creating a window
Deleting a recently created file
Running batch commands
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
Connection attempt to an infection source
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/492304
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Initial sample is a PE file and has a suspicious name
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 submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 298646 Sample: New order for 1x40ft contai... Startdate: 15/10/2020 Architecture: WINDOWS Score: 100 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus / Scanner detection for submitted sample 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 11 other signatures 2->73 11 New order for 1x40ft container.exe 2 2->11         started        14 remcos.exe 2 2->14         started        16 remcos.exe 2->16         started        process3 signatures4 75 Hides threads from debuggers 11->75 77 Injects a PE file into a foreign processes 11->77 18 New order for 1x40ft container.exe 4 5 11->18         started        21 timeout.exe 1 11->21         started        23 WerFault.exe 23 9 11->23         started        25 timeout.exe 14->25         started        27 remcos.exe 14->27         started        29 remcos.exe 14->29         started        31 remcos.exe 14->31         started        33 timeout.exe 16->33         started        process5 file6 61 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 18->61 dropped 63 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 18->63 dropped 35 wscript.exe 1 18->35         started        37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        41 conhost.exe 33->41         started        process7 process8 43 cmd.exe 1 35->43         started        process9 45 remcos.exe 2 43->45         started        48 conhost.exe 43->48         started        signatures10 79 Antivirus detection for dropped file 45->79 81 Machine Learning detection for dropped file 45->81 83 Hides threads from debuggers 45->83 85 Injects a PE file into a foreign processes 45->85 50 timeout.exe 1 45->50         started        52 remcos.exe 45->52         started        55 remcos.exe 45->55         started        57 WerFault.exe 45->57         started        process11 dnsIp12 59 conhost.exe 50->59         started        65 79.134.225.80, 1952, 49745, 49747 FINK-TELECOM-SERVICESCH Switzerland 52->65 process13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/74ac8fc2b4b1a8d3a9aa59496ea6fcd5669e26ed51fec6c3a62a9a68bea89343/
Threat name:
ByteCode-MSIL.Trojan.Tiggre
Create hunting rule
Status:
Malicious
First seen:
2020-10-14 23:57:39 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oswi7qvuwgunhknklfew5jx42vtj4jxnkh7mnq5gfkngrpvisnbq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292
RemcosRAT
485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
RemcosRAT
736bd7b09aa1e987edac64868cc8e5db0d86e709652e0588e2023d052f3def8f
RemcosRAT
7720da8dd623a00812870efdb75c2f2571417599ebfabcff48d2bd95cd029ea2
RemcosRAT
83eb442b175e4fe5a2fde6e8d72618eee280398f89a81da1f9c118d2c46032d4
RemcosRAT
a1c561c21720c4f1c3626276db6afc2c12b1aae9304c78518763eb78454f84b8
RemcosRAT
c86bcfe4e22cb50054b44e38fc4fb79624c4ed5bf9a26174754dbb5c1a6baff8
RemcosRAT
deeeb57609c406b43e7e77a38726a357ab063d110c06e4f1c56eb491c20659ce
RemcosRAT
e39c2e98071d4440d02e6d1aa86111536d6d01554489bd71f890455c05e424d3
RemcosRAT
eb1230ab4a5408a3d264bb51f1ff311fcf52aa97d52b801738cd5add365e77d2
RemcosRAT
+ 828 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/201015-29grvetpcn/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
ServiceHost packer
Remcos
Malware Config
C2 Extraction:
79.134.225.80:1952
Unpacked files
SH256 hash:
74ac8fc2b4b1a8d3a9aa59496ea6fcd5669e26ed51fec6c3a62a9a68bea89343
MD5 hash:
4c95b4e3635b639f4c9293e22e9a6c7c
SHA1 hash:
70fa15d267a9c4a563796df4aeef1a8bfec0e011
Link:
https://www.unpac.me/results/549e9e0b-afc4-481f-b16e-000f8e850c12/
SH256 hash:
e5e35d5893d909832370933b03a8b010be8b0e7447f217dbccfa4ffb87afa0d7
MD5 hash:
a4cd30eceb2651c420771dda91a19cc6
SHA1 hash:
b64e9e4ed644cb7bf68b428fde0fca5a989f0ed4
Link:
https://www.unpac.me/results/549e9e0b-afc4-481f-b16e-000f8e850c12/
SH256 hash:
56d51872af9c65cedcf16ed348605ff083441b0dc58e24b5bcbdb03939521ec3
MD5 hash:
539aa09f05e8707704663d8904f3240e
SHA1 hash:
c3e1553bf0640d62a9e0bbc233403f0516726f2f
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/549e9e0b-afc4-481f-b16e-000f8e850c12/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/74ac8fc2b4b1a8d3a9aa59496ea6fcd5669e26ed51fec6c3a62a9a68bea89343

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

rar 3048ef7afa5e482ea0b63a241e5a16648c9a13733a6cdcbd621b38da3adf672f

RemcosRAT

Executable exe 74ac8fc2b4b1a8d3a9aa59496ea6fcd5669e26ed51fec6c3a62a9a68bea89343

(this sample)

  
Dropped by
MD5 37a0acf7ce50ae13d5c651985bc2bf3c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/71354/
  
Dropped by
SHA256 3048ef7afa5e482ea0b63a241e5a16648c9a13733a6cdcbd621b38da3adf672f

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