MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f08e0544700b1a67f1e534719862be6aa0d6974a8d96d5184170cb49a4dcd4e. 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: 18


Intelligence 18 IOCs YARA 12 File information Comments

SHA256 hash: 5f08e0544700b1a67f1e534719862be6aa0d6974a8d96d5184170cb49a4dcd4e
SHA3-384 hash: fab42b3cc425f91755e6561fe9d3965b7d7518a0d358b050639d469432471949c6e8b8ae941f4ebda3aaa0b8dd25c7e2
SHA1 hash: e257e0369ca255511026a5f849c54852c3f6eeb2
MD5 hash: 12d611676e17d4af55c8fe4650ddf091
humanhash: princess-coffee-winter-magazine
File name:Pago Banco Estado _Swift_copy.bat
Download: download sample
Signature RemcosRAT
File size:1'172'480 bytes
First seen:2023-08-23 05:46:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:f9KblOGLHKblOGL6uYlvYl86HZek8+YUG19ZTmsW6XaFNwRRfSSWwdlRpMZbE1GL:4018+m9t31uwRhRpM9EBzls2JZLiTbK
Threatray 392 similar samples on MalwareBazaar
TLSH T1FC45125361AE1316F8662EF48833841E772B6D38A66FD73ED86928F50B357076853CC2
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 abuse_ch
Tags:bat exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
312
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Pago Banco Estado _Swift_copy.bat
Verdict:
Malicious activity
Analysis date:
2023-08-23 05:47:55 UTC
Tags:
rat remcos remote stealer

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

Behaviour
Launching a process
Unauthorized injection to a recently created process
Sending a custom TCP request
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
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:
rans.spre.phis.troj.adwa.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Downloads suspicious files via Chrome
Drops PE files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
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
Sample uses process hollowing technique
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1295642 Sample: Pago_Banco_Estado__Swift_co... Startdate: 23/08/2023 Architecture: WINDOWS Score: 100 54 geoplugin.net 2->54 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 11 other signatures 2->76 9 Pago_Banco_Estado__Swift_copy.bat.exe 3 2->9         started        12 msedge.exe 2->12         started        16 folder.exe.exe 3 2->16         started        signatures3 process4 dnsIp5 86 Contains functionality to bypass UAC (CMSTPLUA) 9->86 88 Contains functionalty to change the wallpaper 9->88 90 Contains functionality to steal Chrome passwords or cookies 9->90 96 6 other signatures 9->96 18 Pago_Banco_Estado__Swift_copy.bat.exe 3 13 9->18         started        22 powershell.exe 13 9->22         started        25 Pago_Banco_Estado__Swift_copy.bat.exe 9->25         started        66 192.168.2.8, 443, 49748, 49759 unknown unknown 12->66 68 239.255.255.250 unknown Reserved 12->68 48 C:\Users\user\AppData\Local\...\content.js, Unicode 12->48 dropped 50 C:\Users\user\AppData\Local\...\Login Data, SQLite 12->50 dropped 52 Microsoft.Cognitiv...ces.Speech.core.dll, PE32+ 12->52 dropped 92 Maps a DLL or memory area into another process 12->92 27 msedge.exe 12->27         started        94 Injects a PE file into a foreign processes 16->94 29 powershell.exe 16->29         started        file6 signatures7 process8 dnsIp9 56 172.96.14.58, 49761, 49763, 9181 UNREAL-SERVERSUS Canada 18->56 58 geoplugin.net 178.237.33.50, 49764, 80 ATOM86-ASATOM86NL Netherlands 18->58 78 Maps a DLL or memory area into another process 18->78 80 Sample uses process hollowing technique 18->80 31 Pago_Banco_Estado__Swift_copy.bat.exe 1 18->31         started        34 Pago_Banco_Estado__Swift_copy.bat.exe 18->34         started        36 Pago_Banco_Estado__Swift_copy.bat.exe 18->36         started        42 20 other processes 18->42 46 C:\Users\user\AppData\...\folder.exe.exe, PE32 22->46 dropped 82 Drops PE files to the startup folder 22->82 84 Powershell drops PE file 22->84 38 conhost.exe 22->38         started        60 sb.scorecardresearch.com 18.66.26.116 MIT-GATEWAYSUS United States 27->60 62 13.107.246.60 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 27->62 64 28 other IPs or domains 27->64 40 conhost.exe 29->40         started        file10 signatures11 process12 signatures13 98 Tries to steal Instant Messenger accounts or passwords 31->98 100 Tries to steal Mail credentials (via file / registry access) 31->100 102 Tries to harvest and steal browser information (history, passwords, etc) 42->102 44 WerFault.exe 42->44         started        process14
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-08-22 14:42:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
172.96.14.58:9181
Unpacked files
SH256 hash:
24d17f577a7903d15f7f4a78c0b1efcc7dba81cc41f54a4db2458b420ca8503a
MD5 hash:
000c1e5e1ee3fe012a645d76334cf32b
SHA1 hash:
ed3fe56b17ec69a249401b01342968363c1d7b5e
SH256 hash:
bdceec3324fa62c33d28555841671143b721cb5ec1ba2bd2549cdbaaaff106b1
MD5 hash:
f2a8bd18e63b36afd8f8752735aec41b
SHA1 hash:
b7265b71e5bea47e2f2909c652553b8ffcd30eff
Detections:
Remcos win_remcos_auto
SH256 hash:
65e47578274d16be1be0f50767bad0af16930df43556dd23d7ad5e4adc2bcbe3
MD5 hash:
848b847cd19805d19235b5acb8ef2bef
SHA1 hash:
38100751a4ae45a143232cbacf9bb441b31fb211
SH256 hash:
5f08e0544700b1a67f1e534719862be6aa0d6974a8d96d5184170cb49a4dcd4e
MD5 hash:
12d611676e17d4af55c8fe4650ddf091
SHA1 hash:
e257e0369ca255511026a5f849c54852c3f6eeb2
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Author:malware-lu
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:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.

Malspam

RemcosRAT

Executable exe 5f08e0544700b1a67f1e534719862be6aa0d6974a8d96d5184170cb49a4dcd4e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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