MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ead243034e5816a6899ee5a8aa2582c58824bbb06967a25ca2811f83457c9b46. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ead243034e5816a6899ee5a8aa2582c58824bbb06967a25ca2811f83457c9b46
SHA3-384 hash: 974d2adb0fe0ac625a6605f3af157f64677461591ef0857f879ceded2efac8a631ce8adf7c078b1c53a80962412e4ba4
SHA1 hash: 86aa2e2b79c24eb90c8d7774ac51222b4c47fe92
MD5 hash: a7f92c9410867333c6efdc6d006a8390
humanhash: thirteen-montana-grey-hawaii
File name:a7f92c9410867333c6efdc6d006a8390.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:582'656 bytes
First seen:2021-03-19 15:18:29 UTC
Last seen:2021-03-19 16:32:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'614 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:HefOedUl3MLGlqjHtCxlfgCxn8jgtpbjgyNyVre3yV3swFgxtNFgyA4uTch4u4Ym:HefOeOcqNxdOa+v7t4UM2l7665
TLSH A3C48C01A3B6A648F33B63748178520297F6B945D73AD7BDAA8090CE1DB36454B7B333
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO451093PO1595_INVOICE.doc
Verdict:
Malicious activity
Analysis date:
2021-03-19 14:13:20 UTC
Tags:
opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/d0e44355-f915-4424-9797-65510c564082

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/125682/
Detection(s):
SecuriteInfo.com.Variant.Bulz.313237.18473.3498.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Gathering data
Result
Threat name:
Remcos Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/646325
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Queries random domain names (often used to prevent blacklisting and sinkholes)
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Beds Obfuscator
Yara detected Remcos RAT
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 372130 Sample: JbQoNNPVOk.exe Startdate: 19/03/2021 Architecture: WINDOWS Score: 100 69 trijgrscviomnbvdewacvioplmjytrewwqazxcvty.ydns.eu.ydns.eu 2->69 91 Found malware configuration 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 Sigma detected: Scheduled temp file as task from temp location 2->95 97 12 other signatures 2->97 10 JbQoNNPVOk.exe 3 2->10         started        signatures3 process4 signatures5 99 Injects a PE file into a foreign processes 10->99 13 JbQoNNPVOk.exe 3 22 10->13         started        process6 dnsIp7 81 eurex.ps 192.185.155.188, 49713, 80 UNIFIEDLAYER-AS-1US United States 13->81 83 192.168.2.1 unknown unknown 13->83 59 C:\Users\user\Desktop\regsvcxm.exe, PE32 13->59 dropped 61 C:\Users\user\Desktop\betnal.exe, PE32 13->61 dropped 63 C:\Users\user\AppData\...\regsvcxm[1].exe, PE32 13->63 dropped 65 C:\Users\user\AppData\Local\...\betnal[1].exe, PE32 13->65 dropped 17 regsvcxm.exe 6 13->17         started        21 betnal.exe 6 13->21         started        23 AcroRd32.exe 15 39 13->23         started        file8 process9 file10 53 C:\Users\user\AppData\Roaming\fBXcxKV.exe, PE32 17->53 dropped 55 C:\Users\user\AppData\Local\...\tmp200C.tmp, XML 17->55 dropped 85 Machine Learning detection for dropped file 17->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 17->87 89 Injects a PE file into a foreign processes 17->89 25 regsvcxm.exe 17->25         started        29 schtasks.exe 17->29         started        57 C:\Users\user\AppData\Roaming\hAoHsX.exe, PE32 21->57 dropped 31 betnal.exe 21->31         started        34 schtasks.exe 21->34         started        36 RdrCEF.exe 23->36         started        38 AcroRd32.exe 8 6 23->38         started        signatures11 process12 dnsIp13 71 checkip.dyndns.org 25->71 73 checkip.dyndns.com 216.146.43.70, 49724, 49726, 80 DYNDNSUS United States 25->73 75 freegeoip.app 172.67.188.154, 443, 49729 CLOUDFLARENETUS United States 25->75 101 Tries to steal Mail credentials (via file access) 25->101 103 Tries to harvest and steal ftp login credentials 25->103 105 Tries to harvest and steal browser information (history, passwords, etc) 25->105 40 conhost.exe 29->40         started        77 trijgrscviomnbvdewacvioplmjytrewwqazxcvty.ydns.eu.ydns.eu 188.72.87.164, 49723, 49727, 49728 M247GB Netherlands 31->77 67 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 31->67 dropped 42 conhost.exe 34->42         started        44 RdrCEF.exe 36->44         started        47 RdrCEF.exe 36->47         started        49 RdrCEF.exe 36->49         started        51 2 other processes 36->51 file14 signatures15 process16 dnsIp17 79 80.0.0.0 NTLGB United Kingdom 44->79
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ead243034e5816a6899ee5a8aa2582c58824bbb06967a25ca2811f83457c9b46/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-03-19 15:19:05 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5ljega2olalkncm64wukujmcywecjo5qnft2exfcqepygrl4tnda._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/210319-94ewkr5h62/
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
Link:
https://www.unpac.me/results/69b3fb3c-204c-4ee6-85a5-401f9bd4d561/
SH256 hash:
ead243034e5816a6899ee5a8aa2582c58824bbb06967a25ca2811f83457c9b46
MD5 hash:
a7f92c9410867333c6efdc6d006a8390
SHA1 hash:
86aa2e2b79c24eb90c8d7774ac51222b4c47fe92
Link:
https://www.unpac.me/results/69b3fb3c-204c-4ee6-85a5-401f9bd4d561/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/ead243034e5816a6899ee5a8aa2582c58824bbb06967a25ca2811f83457c9b46

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe ead243034e5816a6899ee5a8aa2582c58824bbb06967a25ca2811f83457c9b46

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1077437/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/125682/

Comments