MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f158368c489837c721cb01f7bf86f18536f9948f35f2ced67827d638b8253f16. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f158368c489837c721cb01f7bf86f18536f9948f35f2ced67827d638b8253f16
SHA3-384 hash: 1bce56a85d9d1744166750253333e041704fd4e414238a4b951574aa52867ed83c2acc4cfa338aa5aa429717ee3432ca
SHA1 hash: 1a8244c64a2c089ec8f13b7a4e42e8f21e3d37ba
MD5 hash: fc852e551d9b27fdf4a27c99d16f9301
humanhash: diet-fruit-asparagus-angel
File name:fc852e551d9b27fdf4a27c99d16f9301.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'051'136 bytes
First seen:2020-07-21 07:51:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5e381c455fbb563ca5f2237e8dff94bd (4 x RemcosRAT, 2 x Formbook, 1 x NetWire)
ssdeep 24576:D0vtfbdNzTnlj/jllmyXJybwEIVKGfHNBJV2jjFP0Mv:D0v9f/JxEIVRfHfJV2nFP0M
Threatray 940 similar samples on MalwareBazaar
TLSH 16259E23F2A08D32D1331538DC535ABC966EBF153A25984D6AE6DF0C8F3918179393A7
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
karimgoussd.ug (79.134.225.49)

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 :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29852/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392836
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 248707 Sample: eSWdWo3l9X.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 68 fgdjhksdfsdxcbv.ru 2->68 70 karimgoussd.ug 2->70 84 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 Multi AV Scanner detection for dropped file 2->88 90 8 other signatures 2->90 12 eSWdWo3l9X.exe 1 3 2->12         started        17 mshta.exe 19 2->17         started        signatures3 process4 dnsIp5 80 googlehosted.l.googleusercontent.com 216.58.206.1, 443, 49733, 49742 GOOGLEUS United States 12->80 82 doc-0g-1s-docs.googleusercontent.com 12->82 66 C:\Users\user\AppData\Local\...\Vxujfck.exe, PE32 12->66 dropped 102 Writes to foreign memory regions 12->102 104 Allocates memory in foreign processes 12->104 106 Creates a thread in another existing process (thread injection) 12->106 108 Injects a PE file into a foreign processes 12->108 19 TapiUnattend.exe 7 12->19         started        23 ieinstal.exe 1 12->23         started        110 DLL side loading technique detected 17->110 26 Vxujfck.exe 17->26         started        file6 signatures7 process8 dnsIp9 58 C:\Users\Public\propsys.dll, PE32+ 19->58 dropped 60 C:\Users\Public\fodhelper.exe, PE32+ 19->60 dropped 94 Drops PE files to the user root directory 19->94 28 cmd.exe 5 19->28         started        31 cmd.exe 1 19->31         started        72 fgdjhksdfsdxcbv.ru 23->72 74 karimgoussd.ug 79.134.225.49, 49735, 49736, 49737 FINK-TELECOM-SERVICESCH Switzerland 23->74 76 googlehosted.l.googleusercontent.com 26->76 78 doc-0g-1s-docs.googleusercontent.com 26->78 96 Multi AV Scanner detection for dropped file 26->96 98 Machine Learning detection for dropped file 26->98 34 ieinstal.exe 26->34         started        file10 signatures11 process12 file13 62 C:\Windows \System32\propsys.dll, PE32+ 28->62 dropped 64 C:\Windows \System32\fodhelper.exe, PE32+ 28->64 dropped 36 fodhelper.exe 28->36         started        39 conhost.exe 28->39         started        112 Uses cmd line tools excessively to alter registry or file data 31->112 41 conhost.exe 31->41         started        43 schtasks.exe 1 31->43         started        45 reg.exe 1 1 31->45         started        47 2 other processes 31->47 signatures14 process15 signatures16 100 Drops executables to the windows directory (C:\Windows) and starts them 36->100 49 cmd.exe 1 36->49         started        process17 process18 51 cmd.exe 3 2 49->51         started        54 conhost.exe 49->54         started        signatures19 92 DLL side loading technique detected 51->92 56 wscript.exe 51->56         started        process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f158368c489837c721cb01f7bf86f18536f9948f35f2ced67827d638b8253f16/
Threat name:
Win32.Trojan.Delf
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 05:57:50 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6fmdndcita34oiolah337bxrqu3ptfepgxzm5vtye7ldrobfh4la._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2e1b3dec1609efaee181ea5c2865ace9ac7be4b5ee8420a71ef9fff500440377
RemcosRAT
2f0ce341108a0d177092a8e18ca880b966f96a397f23c5135cfd9c6588b0c8c1
RemcosRAT
308c96557c6be5d4519ba4bac38c23e611c7b61683cfc1063a6009e216c24f5e
RemcosRAT
59e4659462484cb2521326bf335bef31a68d99748cfc082165562c5da42336c6
RemcosRAT
6916d0f41d35a9142e598496a1e996616b4fad6d15f0f3da7ec9210b6a124586
RemcosRAT
8bbb8fe69100550248f4663e911a16bca03432bef9112dd0924d7a9c3dae8464
RemcosRAT
9b1328490717e1e3c97216a17bf36b67103a40dae3bbac6865487e51fea82b32
RemcosRAT
c10cdf38e26339e4373c7e0a9a119381e703c7b8404ce0ed694fb3aae286d9b9
RemcosRAT
f3453d83f263aa7665cb7398e7216db55cb8d7d75b8d45cdaf889c9265ba72fb
RemcosRAT
f8185c5af3e891bdb81a646bb410777393f7ba6db6f4fc0727948c4b95264334
RemcosRAT
+ 930 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos persistence
Link:
https://tria.ge/reports/200721-dkkbfnvpl2/
Behaviour
Suspicious use of WriteProcessMemory
Modifies registry key
Script User-Agent
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Remcos
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f158368c489837c721cb01f7bf86f18536f9948f35f2ced67827d638b8253f16

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: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.

Web download

RemcosRAT

Executable exe f158368c489837c721cb01f7bf86f18536f9948f35f2ced67827d638b8253f16

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/29852/
  
URLhaus
https://urlhaus.abuse.ch/url/414727/
  
Delivery method
Distributed via web download

Comments