MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18
SHA3-384 hash: 054a66bbaf98c483b5c8cf94a88b5d235c44c1bd40b43cfbf56c021fb2c07aad373e4114a6b668e34461870dbf9e8610
SHA1 hash: ffea1fba751305463c6aed080b01c0638b3e11d3
MD5 hash: f3d8f3977caf5bb7277a09068c3aca63
humanhash: pizza-coffee-kitten-oxygen
File name:f3d8f3977caf5bb7277a09068c3aca63
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'594'816 bytes
First seen:2023-01-26 07:50:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:2UDtXTeU/EpjoDpvOykLPaEbOEh5wwsUHoeDAYAgLpgO9W7vO4vx8iyGU1J1:ZEpCkTF7OIVAY
Threatray 2'543 similar samples on MalwareBazaar
TLSH T103C580203EFA502AF1B3EF655FE47596DA6FF6633B03A45E1051038A0A23E41DDD163A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f3d8f3977caf5bb7277a09068c3aca63
Verdict:
Malicious activity
Analysis date:
2023-01-26 07:56:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/84c1e2f3-9f79-4a27-b6e3-60285e17106d

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/357021/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Running batch commands
Enabling the 'hidden' option for analyzed file
Launching a process
Sending a custom TCP request
Creating a file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm remcos
Link:
https://www.filescan.io/uploads/63d230e72d4f6d560e230636/reports/6cd932da-9679-4218-bee4-dd906a67761a/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6b1811a6-a7b5-45d8-9eeb-2ce1b18ab9f4
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1159348
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
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
Sigma detected: Remcos
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 792084 Sample: V0VH4Fn4jf.exe Startdate: 26/01/2023 Architecture: WINDOWS Score: 100 101 rem.unionbindinqcompany.it 2->101 103 geoplugin.net 2->103 117 Malicious sample detected (through community Yara rule) 2->117 119 Multi AV Scanner detection for dropped file 2->119 121 Multi AV Scanner detection for submitted file 2->121 123 8 other signatures 2->123 11 V0VH4Fn4jf.exe 1 2->11         started        15 V0VH4Fn4jf.exe 2->15         started        17 V0VH4Fn4jf.exe 2->17         started        19 3 other processes 2->19 signatures3 process4 file5 99 C:\Users\user\AppData\...\V0VH4Fn4jf.exe.log, ASCII 11->99 dropped 133 Contains functionality to bypass UAC (CMSTPLUA) 11->133 135 Contains functionality to steal Chrome passwords or cookies 11->135 137 Contains functionality to steal Firefox passwords or cookies 11->137 141 2 other signatures 11->141 21 V0VH4Fn4jf.exe 2 4 11->21         started        24 cmd.exe 1 11->24         started        139 Injects a PE file into a foreign processes 15->139 27 V0VH4Fn4jf.exe 5 15->27         started        29 cmd.exe 1 15->29         started        31 cmd.exe 17->31         started        37 3 other processes 17->37 33 cmd.exe 19->33         started        35 cmd.exe 19->35         started        39 3 other processes 19->39 signatures6 process7 file8 91 C:\Program Files (x86)\Chrome\Chromes.exe, PE32 21->91 dropped 93 C:\...\Chromes.exe:Zone.Identifier, ASCII 21->93 dropped 41 Chromes.exe 1 21->41         started        125 Uses schtasks.exe or at.exe to add and modify task schedules 24->125 44 conhost.exe 24->44         started        46 schtasks.exe 1 24->46         started        95 C:\Users\user\AppData\Roaming\...\Chromes.exe, PE32 27->95 dropped 97 C:\Users\user\...\Chromes.exe:Zone.Identifier, ASCII 27->97 dropped 48 Chromes.exe 27->48         started        52 2 other processes 29->52 54 2 other processes 31->54 56 2 other processes 33->56 58 2 other processes 35->58 50 conhost.exe 39->50         started        signatures9 process10 signatures11 60 Chromes.exe 2 15 41->60         started        63 cmd.exe 1 41->63         started        127 Multi AV Scanner detection for dropped file 48->127 129 Machine Learning detection for dropped file 48->129 131 Injects a PE file into a foreign processes 48->131 65 Chromes.exe 48->65         started        68 Chromes.exe 48->68         started        70 cmd.exe 48->70         started        72 Conhost.exe 50->72         started        process12 dnsIp13 105 rem.unionbindinqcompany.it 79.134.225.31, 3361, 49698, 49700 FINK-TELECOM-SERVICESCH Switzerland 60->105 107 geoplugin.net 178.237.33.50, 49699, 49701, 49711 ATOM86-ASATOM86NL Netherlands 60->107 109 192.168.2.1 unknown unknown 60->109 74 conhost.exe 63->74         started        76 schtasks.exe 1 63->76         started        115 Injects a PE file into a foreign processes 65->115 78 Chromes.exe 65->78         started        81 cmd.exe 65->81         started        83 conhost.exe 70->83         started        85 schtasks.exe 70->85         started        signatures14 process15 dnsIp16 111 rem.unionbindinqcompany.it 78->111 113 geoplugin.net 78->113 87 conhost.exe 81->87         started        89 schtasks.exe 81->89         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-01-26 07:34:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=epowkfq2p4uxcjoeb5oj4ewzyc6jymkaegtu32oup3elyeyunmma._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
46c3cda4b6dbdae4d3347998364fa2981157c31d2cc8dfb765a5ecf1098484ea
RemcosRAT
8417609b03fe5ac7b65f9ddc20a06101ca1746e1171c4c36f9fe6846877a2350
RemcosRAT
c266fa606a35b4ede65ae441e448dfcbf63b7a4e52091be0a6dc013b3e93c1f8
RemcosRAT
d0c8937695613205c66a04956266b7402eeaae392b88c5cf1ef22b437d181597
RemcosRAT
f7f8d1ebfed3afd13eb47392a7f502603ecb970a817c221682cd8f2a17ff2bb3
RemcosRAT
fb0bca54f6a5b8aec9ae002bf53a942792fff4dc92ca4ecbd74fb625c1d604e0
RemcosRAT
+ 2'533 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/230126-jn93hada49/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
rem.unionbindinqcompany.it:3361
Unpacked files
SH256 hash:
352c29edc450d0e1c8c639b6165c66f244d5e0bec8ff442b004417afbfefe440
MD5 hash:
4f85aae4008ce6b612db76a99d3c791f
SHA1 hash:
880fcc9b506a7d5189956f8481e72facb3427668
Link:
https://www.unpac.me/results/6abbd808-7954-4ee7-9779-ee26147b8a81/
SH256 hash:
45dc81349b3678c4064a98be917da5ce93dd39de42b206014b7d839cdd562733
MD5 hash:
1b12938bb609617859b65771b9e0a257
SHA1 hash:
55d3d0cdba73fae1d35656d3bb4de9eb9cdefcd3
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/6abbd808-7954-4ee7-9779-ee26147b8a81/
Parent samples :
23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18
032f8672b774c3a0edd3b84b0f809e1901319a2b0a4a60704e75f92bdac4f7bb
69b7150f7be7cfd685c50328e9554d28d99e9f7babdf19eb10ea350a3658f2ac
SH256 hash:
23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18
MD5 hash:
f3d8f3977caf5bb7277a09068c3aca63
SHA1 hash:
ffea1fba751305463c6aed080b01c0638b3e11d3
Link:
https://www.unpac.me/results/6abbd808-7954-4ee7-9779-ee26147b8a81/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23dd65161a7f/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/23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18

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: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 23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2518821/
Cape
Cape
https://www.capesandbox.com/analysis/357021/

Comments


Avatar
zbet commented on 2023-01-26 07:50:09 UTC

url : hxxps://unionbindinqcompany.it/vbs.exe