MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65054687e67c867b4f3a1fe66888dbc1e43f1152d44ba8a82e98f4374d54ec1d. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65054687e67c867b4f3a1fe66888dbc1e43f1152d44ba8a82e98f4374d54ec1d
SHA3-384 hash: 13688cdcba1ad3dcf624504b7331288da80e3058fdf7eed68c0c2df5b1bf71e2129e8c23a905a1296b55183393e3e100
SHA1 hash: ccac646868b072edac45d52afad293b21d6f6f6c
MD5 hash: e70d59aaab1fda4f504e32e547329a5b
humanhash: single-lamp-april-nitrogen
File name:e70d59aaab1fda4f504e32e547329a5b
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:610'624 bytes
First seen:2022-11-02 08:01:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:R/Jd9DZtfiv/gaORm9ZpSjV6BK6KFuApvsch/U2Ci/4m:lHnZUpSjoBK6KQLcZU2NQm
Threatray 2'913 similar samples on MalwareBazaar
TLSH T13AD4F151139B8CE3E1D9693B975B1B3F02F8B742B6D7CB364A9850C93C5E5EAC48208D
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
e70d59aaab1fda4f504e32e547329a5b
Verdict:
Malicious activity
Analysis date:
2022-11-02 08:02:22 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/18ff741c-b373-4d9c-8b6b-814ef94d9d7f

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/327020/
Detection(s):
SecuriteInfo.com.UntrustedCertificate.Aichost.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Creating a window
Forced shutdown of a system process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/636223fd736e9d884f0dd772/reports/31ac8c70-4e4d-478e-8ab9-21a482e86958/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/acc3e5cc-bdeb-4db8-ba23-b341a357541d
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103039
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files to the startup folder
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735700 Sample: 1aLmsdN87p.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 77 www.google.com 2->77 103 Malicious sample detected (through community Yara rule) 2->103 105 Antivirus detection for dropped file 2->105 107 Antivirus / Scanner detection for submitted sample 2->107 109 10 other signatures 2->109 10 1aLmsdN87p.exe 1 2->10         started        signatures3 process4 file5 69 C:\Users\user\AppData\...\1aLmsdN87p.exe.log, ASCII 10->69 dropped 111 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->111 14 RegSvcs.exe 3 17 10->14         started        19 powershell.exe 14 10->19         started        signatures6 process7 dnsIp8 85 45.137.22.236, 49703, 5890 ROOTLAYERNETNL Netherlands 14->85 87 geoplugin.net 178.237.33.50, 49704, 80 ATOM86-ASATOM86NL Netherlands 14->87 71 C:\ProgramData\remcos\logs.dat, data 14->71 dropped 93 Writes to foreign memory regions 14->93 95 Maps a DLL or memory area into another process 14->95 97 Installs a global keyboard hook 14->97 21 svchost.exe 13 14->21         started        23 svchost.exe 13 14->23         started        25 svchost.exe 14->25         started        29 3 other processes 14->29 73 C:\Users\user\AppData\...\Sycxbhdfhdhstem.exe, PE32 19->73 dropped 75 C:\...\Sycxbhdfhdhstem.exe:Zone.Identifier, ASCII 19->75 dropped 99 Drops PE files to the startup folder 19->99 101 Powershell drops PE file 19->101 27 conhost.exe 19->27         started        file9 signatures10 process11 process12 31 chrome.exe 15 1 21->31         started        34 chrome.exe 21->34         started        36 conhost.exe 21->36         started        38 chrome.exe 23->38         started        40 chrome.exe 23->40         started        42 conhost.exe 23->42         started        44 chrome.exe 25->44         started        46 2 other processes 25->46 48 8 other processes 29->48 dnsIp13 89 192.168.2.1 unknown unknown 31->89 91 239.255.255.250 unknown Reserved 31->91 50 chrome.exe 31->50         started        53 chrome.exe 34->53         started        55 chrome.exe 38->55         started        57 chrome.exe 40->57         started        59 chrome.exe 44->59         started        61 chrome.exe 46->61         started        63 chrome.exe 48->63         started        65 chrome.exe 48->65         started        67 3 other processes 48->67 process14 dnsIp15 79 mdec.nelreports.net 50->79 81 part-0017.t-0009.fbs1-t-msedge.net 13.107.219.45, 443, 49717, 49718 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 50->81 83 11 other IPs or domains 50->83
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65054687e67c867b4f3a1fe66888dbc1e43f1152d44ba8a82e98f4374d54ec1d/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 08:02:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mucunb7gpsdhwtz2d7tgrcg3yhsd6eks2rf2rkbotd2dotku5qoq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
3ab2ca682019279e28525a8ff1a72e08badba1c0f3012f926bad1528b2b0944a
RemcosRAT
3c21819ed32b31c231e20b51b1f956e4160a7b8dbfe7468b096ce64b4b138007
RemcosRAT
47dabe278b8a171986b17e69ac9fac43657c11eb3c2c1523848074e0cfe6a57f
RemcosRAT
88e06b037f0a779dce49389c9f1e028b8aee5a2f258e4a6e34c53d331dd438ac
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
dd228418c8681d5655b1189c61249f20c9da5e1661cad7efacea62a03fcf1687
RemcosRAT
fe800049d4ece336205fd83c50c747fc4f7f18e4cb2f2e80f37d0ec1700166d1
RemcosRAT
+ 2'903 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost brand:microsoft persistence phishing rat
Link:
https://tria.ge/reports/221102-jw4wfsacg4/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Remcos
Malware Config
C2 Extraction:
45.137.22.236:5890
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/71ada147-c506-45ae-b776-4efecc3107dd
Unpacked files
SH256 hash:
2132d32079c5bbaee8f6c2efe2ead603c31e06b8d19112c36117d99510242e27
MD5 hash:
e243f2f83bbaf3c755019fc1e20ad561
SHA1 hash:
e7b6a22d712fef8e94febc9fbe168e67abd4d618
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/eeaa5ce9-1a75-4bf4-8ba7-55fa596a71ec/
Parent samples :
dd228418c8681d5655b1189c61249f20c9da5e1661cad7efacea62a03fcf1687
65054687e67c867b4f3a1fe66888dbc1e43f1152d44ba8a82e98f4374d54ec1d
11a2113e2974db7c18160ff2993c1513f6fa22ef3e86102dd1df775ebd6ea9e0
SH256 hash:
bfa12a2456d40d6c32a1f4e35bd43c81f6f67466234faed8fec19397d0e6d808
MD5 hash:
7a7927bac28be846b2fd2a5d10ba0676
SHA1 hash:
67a7b8616fc8e7aa7bb7a6e2521548e67a7caa2d
Link:
https://www.unpac.me/results/eeaa5ce9-1a75-4bf4-8ba7-55fa596a71ec/
Parent samples :
fb110b1db7c02725d6cb0953cf153a2b5e158d358db136aece90ac06d79cb07d
80dd6d009a2b7ab7aa393d063048320db5ea3920a4fd9cca4a0a76f12183273f
SH256 hash:
65054687e67c867b4f3a1fe66888dbc1e43f1152d44ba8a82e98f4374d54ec1d
MD5 hash:
e70d59aaab1fda4f504e32e547329a5b
SHA1 hash:
ccac646868b072edac45d52afad293b21d6f6f6c
Link:
https://www.unpac.me/results/eeaa5ce9-1a75-4bf4-8ba7-55fa596a71ec/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/65054687e67c/report/overview.html
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/65054687e67c867b4f3a1fe66888dbc1e43f1152d44ba8a82e98f4374d54ec1d

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

RemcosRAT

Executable exe 65054687e67c867b4f3a1fe66888dbc1e43f1152d44ba8a82e98f4374d54ec1d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2396489/
Cape
Cape
https://www.capesandbox.com/analysis/327020/

Comments


Avatar
zbet commented on 2022-11-02 08:02:02 UTC

url : hxxps://tgc8x.tk/tt/eurob.exe