MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 032f8672b774c3a0edd3b84b0f809e1901319a2b0a4a60704e75f92bdac4f7bb. 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 9 File information Comments 1

SHA256 hash: 032f8672b774c3a0edd3b84b0f809e1901319a2b0a4a60704e75f92bdac4f7bb
SHA3-384 hash: 08f22e76ab1484e2e0eb7487397d09b9662a9f011a8305687d173116456e0a840ed8c40f45989b3e773f9264cb214e34
SHA1 hash: d7227929468d91e50d3cd8f94ea2015506759c09
MD5 hash: 1367e9b33b836587e50124eb9eb2397b
humanhash: leopard-sierra-speaker-robin
File name:1367e9b33b836587e50124eb9eb2397b
Download: download sample
Signature RemcosRAT
File size:2'593'792 bytes
First seen:2023-01-26 08:42:20 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 24576:LyhWx7lfT+DtXTeUXEkjoDpvOykLPaEbOEh5wwsUHoeDAYOgLpgO9irvO4vx8X8g:bqEkCkTF7OIVAX/
Threatray 2'544 similar samples on MalwareBazaar
TLSH T1C1C590243EFA502AF1B3AFA55FE475979A6FF6733B03A45E1050038A0A13E41DDD163A
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 :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1367e9b33b836587e50124eb9eb2397b
Verdict:
Malicious activity
Analysis date:
2023-01-26 08:49:04 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
remcos
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
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
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 792127 Sample: GR67gQy1I6.exe Startdate: 26/01/2023 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 8 other signatures 2->70 8 GR67gQy1I6.exe 1 2->8         started        12 Chromes.exe 2->12         started        14 Chromes.exe 2->14         started        16 4 other processes 2->16 process3 file4 50 C:\Users\user\AppData\...behaviorgraphR67gQy1I6.exe.log, ASCII 8->50 dropped 74 Contains functionality to bypass UAC (CMSTPLUA) 8->74 76 Contains functionality to steal Chrome passwords or cookies 8->76 78 Contains functionality to steal Firefox passwords or cookies 8->78 82 2 other signatures 8->82 18 GR67gQy1I6.exe 2 4 8->18         started        80 Injects a PE file into a foreign processes 12->80 21 Chromes.exe 12->21         started        23 Chromes.exe 12->23         started        25 Chromes.exe 14->25         started        27 Chromes.exe 14->27         started        29 Chromes.exe 14 16->29         started        32 Chromes.exe 14 16->32         started        34 Chromes.exe 16->34         started        36 6 other processes 16->36 signatures5 process6 dnsIp7 46 C:\Program Files (x86)\Chrome\Chromes.exe, PE32 18->46 dropped 48 C:\...\Chromes.exe:Zone.Identifier, ASCII 18->48 dropped 38 Chromes.exe 1 18->38         started        56 rem.unionbindinqcompany.it 29->56 58 geoplugin.net 29->58 60 rem.unionbindinqcompany.it 32->60 62 geoplugin.net 32->62 file8 process9 signatures10 72 Injects a PE file into a foreign processes 38->72 41 Chromes.exe 2 14 38->41         started        44 Chromes.exe 38->44         started        process11 dnsIp12 52 rem.unionbindinqcompany.it 79.134.225.31, 3361, 49696, 49698 FINK-TELECOM-SERVICESCH Switzerland 41->52 54 geoplugin.net 178.237.33.50, 49697, 49699, 49701 ATOM86-ASATOM86NL Netherlands 41->54
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2023-01-26 08:43:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
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
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
rem.unionbindinqcompany.it:3361
Unpacked files
SH256 hash:
45dc81349b3678c4064a98be917da5ce93dd39de42b206014b7d839cdd562733
MD5 hash:
1b12938bb609617859b65771b9e0a257
SHA1 hash:
55d3d0cdba73fae1d35656d3bb4de9eb9cdefcd3
Detections:
Remcos win_remcos_auto
SH256 hash:
3fd2bbbb8430d275ee96d87defbfd08108daf0caba4ea7f4724b88c1eb2c54c3
MD5 hash:
70aa52541241c7a321285f2e7b7bb50f
SHA1 hash:
4bb7161080c4c93df8171c54d65dcdcb784553b4
SH256 hash:
032f8672b774c3a0edd3b84b0f809e1901319a2b0a4a60704e75f92bdac4f7bb
MD5 hash:
1367e9b33b836587e50124eb9eb2397b
SHA1 hash:
d7227929468d91e50d3cd8f94ea2015506759c09
Please note that we are no longer able to provide a coverage score for Virus Total.

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:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Web download

RemcosRAT

Executable exe 032f8672b774c3a0edd3b84b0f809e1901319a2b0a4a60704e75f92bdac4f7bb

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-01-26 08:42:27 UTC

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