MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbc2088b4c90ccf8407bbde7f2f3865747921c777850c04589bd6ee2febaf177. 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 7 File information Comments

SHA256 hash: bbc2088b4c90ccf8407bbde7f2f3865747921c777850c04589bd6ee2febaf177
SHA3-384 hash: a6bda8076559a719d2a532aee3cc15e52627506aede73175e742930c1930a2809f5cf1ff13ec9f92df203a0d8ccfa5e3
SHA1 hash: ac556330fa93a5d8030d45d80ddf6e147c779013
MD5 hash: a1f7ee9051df2df85fb54fc506220b51
humanhash: batman-pluto-beer-lion
File name:BBVA COZURENT 7152 FBO TULUM..exe
Download: download sample
Signature RemcosRAT
File size:1'710'992 bytes
First seen:2023-10-27 15:46:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:gPJMQoRiUCzYI3W2LGCR93wsZQayULdjfDTUjfpznGhaak4S:gPHSI3W2LtR9g8Qay6d7UDpLGh/k4
Threatray 1 similar samples on MalwareBazaar
TLSH T1A4852312AECF5F23F84ECAB591E7A16267F2BD03C527924956150E1F2643C13F6A09CE
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:BBVA exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
344
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade net_reactor obfuscated packed 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.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 domain / URL
Multi AV Scanner detection for submitted file
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)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
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: 1333388 Sample: BBVA_COZURENT_7152_FBO_TULUM..exe Startdate: 27/10/2023 Architecture: WINDOWS Score: 100 27 grantadistciaret.com 2->27 29 geoplugin.net 2->29 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 8 BBVA_COZURENT_7152_FBO_TULUM..exe 1 2->8         started        signatures3 process4 signatures5 49 Writes to foreign memory regions 8->49 51 Allocates memory in foreign processes 8->51 53 Injects a PE file into a foreign processes 8->53 11 CasPol.exe 3 15 8->11         started        process6 dnsIp7 31 grantadistciaret.com 37.139.129.43, 3212, 49717, 49718 LVLT-10753US Germany 11->31 33 geoplugin.net 178.237.33.50, 49719, 80 ATOM86-ASATOM86NL Netherlands 11->33 25 C:\ProgramData\remcos\logs.dat, data 11->25 dropped 55 Contains functionality to bypass UAC (CMSTPLUA) 11->55 57 Tries to steal Mail credentials (via file registry) 11->57 59 Contains functionalty to change the wallpaper 11->59 61 8 other signatures 11->61 16 CasPol.exe 1 11->16         started        19 CasPol.exe 1 11->19         started        21 CasPol.exe 2 11->21         started        23 2 other processes 11->23 file8 signatures9 process10 signatures11 35 Tries to steal Instant Messenger accounts or passwords 16->35 37 Tries to harvest and steal browser information (history, passwords, etc) 16->37 39 Tries to steal Mail credentials (via file / registry access) 19->39
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-26 19:08:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 35 (57.14%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:solomon collection rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
grantadistciaret.com:3212
grantadistciaret.com:3223
Unpacked files
SH256 hash:
8c161187b6dd176b644e1b6b18c1a47fdca684d30fa10cc580c5323a76a8733e
MD5 hash:
228dc04521e1e0ad02dd305a6ff36ec7
SHA1 hash:
b0dc97a915280c7fb5c4cb8fb11b2c38dec09015
Detections:
Remcos win_remcos_w0 win_remcos_auto
SH256 hash:
48f498e5f4d89f14a12300a5835c084435480f2e1c31f027a58b6690831f871a
MD5 hash:
42405b06c9471306bd9d12d4c6c563cb
SHA1 hash:
76a226fb74fa4ecb709672428120bafc416056d1
SH256 hash:
bbc2088b4c90ccf8407bbde7f2f3865747921c777850c04589bd6ee2febaf177
MD5 hash:
a1f7ee9051df2df85fb54fc506220b51
SHA1 hash:
ac556330fa93a5d8030d45d80ddf6e147c779013
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:BAZT_B5_NOCEXInvalidStream
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

RemcosRAT

Executable exe bbc2088b4c90ccf8407bbde7f2f3865747921c777850c04589bd6ee2febaf177

(this sample)

  
Delivery method
Distributed via e-mail attachment

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