MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 756f9b558a3bedf13017b0e8b5214d6d074778ee2696935c883eb0248b98fb39. 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: 756f9b558a3bedf13017b0e8b5214d6d074778ee2696935c883eb0248b98fb39
SHA3-384 hash: 726babaae9a52f5ee2581d03182fa447f1c37c24d8f650c0dd5f738cb6da4eb7860e5136a0f38300a6ab3b1f33c12dcc
SHA1 hash: e2fb1f34af82feaa483df8fd579736f755d3b4ed
MD5 hash: 91377a06d6d8ca487ae04d7dedd25faf
humanhash: lima-snake-oven-whiskey
File name:756f9b558a3bedf13017b0e8b5214d6d074778ee2696935c883eb0248b98fb39
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:720'616 bytes
First seen:2021-08-06 07:17:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f1f21c88e9cb261ec581191bb4c538e3 (2 x RemcosRAT, 1 x Formbook, 1 x BitRAT)
ssdeep 12288:YLJ8IaEF3CbhMemzpeVhpEj7c0DFtIGnuok:YLJRaElQMePyNtIF
Threatray 386 similar samples on MalwareBazaar
TLSH T154E45C16B77A8076C54289B80E3DCFE92C2FBD529D54344B6AE4BE4E5733983352620F
dhash icon fce5d39a543434c4 (3 x RemcosRAT, 2 x Formbook, 1 x BitRAT)
Reporter JAMESWT_WT
Tags:exe express-gus52.duckdns.org philandro Software GmbH RemcosRAT signed

Code Signing Certificate

Organisation:philandro Software GmbH
Issuer:DigiCert SHA2 Assured ID Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:2018-10-24T00:00:00Z
Valid to:2022-01-05T12:00:00Z
Serial number: 03e9eb4dff67d4f9a554a422d5ed86f3
Intelligence: 7 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 7cf9ec56f8db42db83d8c7693e86093e983aa70957a7f7f2508b940758b4e842
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
756f9b558a3bedf13017b0e8b5214d6d074778ee2696935c883eb0248b98fb39
Verdict:
Malicious activity
Analysis date:
2021-08-06 07:19:46 UTC
Tags:
rat remcos trojan
Link:
https://app.any.run/tasks/52847d13-8be2-4021-8d48-e788aaa96a37

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/176926/
Detection(s):
Porcupine.Win32.Downloader.Delf.DGG.101208.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.W32.AIDetect.malware1.28528.20709.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/816235c2-dbdd-45f4-b0aa-9f74014226e8
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/828153
Signature
C2 URLs / IPs found in malware configuration
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 a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460584 Sample: 0csAuWXONH Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 9 other signatures 2->53 7 0csAuWXONH.exe 1 19 2->7         started        12 Hhgbril.exe 13 2->12         started        14 Hhgbril.exe 13 2->14         started        process3 dnsIp4 35 cdn.discordapp.com 162.159.135.233, 443, 49722, 49723 CLOUDFLARENETUS United States 7->35 31 C:\Users\Public\Libraries\...\Hhgbril.exe, PE32 7->31 dropped 59 Writes to foreign memory regions 7->59 61 Creates a thread in another existing process (thread injection) 7->61 63 Injects a PE file into a foreign processes 7->63 16 dialer.exe 2 7->16         started        37 192.168.2.1 unknown unknown 12->37 65 Multi AV Scanner detection for dropped file 12->65 67 Machine Learning detection for dropped file 12->67 20 ieinstal.exe 12->20         started        22 dialer.exe 14->22         started        file5 signatures6 process7 dnsIp8 33 185.157.162.100, 49151, 49727, 49730 OBE-EUROPEObenetworkEuropeSE Sweden 16->33 39 Contains functionality to steal Chrome passwords or cookies 16->39 41 Contains functionality to inject code into remote processes 16->41 43 Contains functionality to steal Firefox passwords or cookies 16->43 45 2 other signatures 16->45 24 dialer.exe 13 16->24         started        27 dialer.exe 1 16->27         started        29 dialer.exe 16->29         started        signatures9 process10 signatures11 55 Tries to harvest and steal browser information (history, passwords, etc) 24->55 57 Tries to steal Instant Messenger accounts or passwords 27->57
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/756f9b558a3bedf13017b0e8b5214d6d074778ee2696935c883eb0248b98fb39/
Threat name:
Win32.Trojan.Delf
Create hunting rule
Status:
Malicious
First seen:
2021-08-05 14:14:38 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ovxzwvmkhpw7cmaxwdulkiknnuduo6hoe2ljgxeih2ycjc4y7m4q._file
Verdict:
malicious
Similar samples:
0088daad429de39bd42663b9b508af98da7b8a3d09e4b7ff0012a8901a32253b
RemcosRAT
29cf2aec62c3504b1914484feff17ae470b51229b1df06f1a30334a08b6db12a
RemcosRAT
30cb921e390d2803e09b9539c667392add61365ecd0d3ff6dd1f2641884891d4
RemcosRAT
7f7af3d03481bb68e11a68e958ce6d8e96701a053eaa458e7010a4a85643cad3
RemcosRAT
88b1766ff9c749387b51b47bde3e387393a01d10133a04c5afb763fd9670926a
RemcosRAT
eeed35b6db912ba4accd50f23c4abd5f517cf9bb2981e1286c1783424121be14
RemcosRAT
fc797838f2b0bda1a1e3bbf85609a2d795dc35a52940a2aaeca5500aae2564e4
RemcosRAT
+ 376 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:auggg persistence rat spyware stealer suricata
Link:
https://tria.ge/reports/210806-n532r1ekl2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Blocklisted process makes network request
Remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
Malware Config
C2 Extraction:
185.157.162.100:49151
Unpacked files
SH256 hash:
c873bd224bbf6f82aa169f079016ebdf7690b40a7db5dd8cfefd26404a9d50ca
MD5 hash:
d328f4ade4dd3cd77b3c055c6a7a7937
SHA1 hash:
5d2437502c20efaadd44d27bd5f2f748bdb48512
Link:
https://www.unpac.me/results/ea2644ee-173f-4bba-9d70-b0280aabee8e/
SH256 hash:
756f9b558a3bedf13017b0e8b5214d6d074778ee2696935c883eb0248b98fb39
MD5 hash:
91377a06d6d8ca487ae04d7dedd25faf
SHA1 hash:
e2fb1f34af82feaa483df8fd579736f755d3b4ed
Link:
https://www.unpac.me/results/ea2644ee-173f-4bba-9d70-b0280aabee8e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/756f9b558a3bedf13017b0e8b5214d6d074778ee2696935c883eb0248b98fb39

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:INDICATOR_KB_CERT_03e9eb4dff67d4f9a554a422d5ed86f3
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/176926/

Comments