MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84d5e09f1dec559db8fe63f3f9f9d2fab52963d9aba8d0f590d266fb7da6b30d. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 84d5e09f1dec559db8fe63f3f9f9d2fab52963d9aba8d0f590d266fb7da6b30d
SHA3-384 hash: a5d423d69bc2f4203ed885e7170a4041a3d6d7dc4e216e04ded656720a887ef66e623ee346fe7e4b4fcbd1e9eac7e9e4
SHA1 hash: f646a168db0c6cb3ee2949c2d0770a82dbef4b6d
MD5 hash: c8bc49ed133c2b4040fb1b9aca585fd6
humanhash: blossom-zebra-ack-robert
File name:Intesa.Sanpaolo.Pagamento.pdf.exe
Download: download sample
Signature RemcosRAT
File size:1'263'104 bytes
First seen:2024-11-11 08:46:03 UTC
Last seen:2024-11-19 12:25:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:kdchmgIbgIOgLo24WLXAgQRul9McfhyFGTa4/aCU23oOS9G6CAKYo:kdMggZgLo24aaR9cfhyFGaw6CAe
Threatray 4'196 similar samples on MalwareBazaar
TLSH T1F4459317FA8FB9A1C29D2F37C6AB05081375E9857327D61A798E337A18C37B7484160B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 071a18b3939b67d3 (22 x AgentTesla, 12 x Formbook, 3 x RemcosRAT)
Reporter lowmal3
Tags:204-10-160-239 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
395
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Intesa.Sanpaolo.Pagamento.pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-11-11 08:47:59 UTC
Tags:
netreactor rat remcos remote evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
underscore autorun lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
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
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: Suspicious Double Extension File Execution
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1553480 Sample: Intesa.Sanpaolo.Pagamento.pdf.exe Startdate: 11/11/2024 Architecture: WINDOWS Score: 100 36 remisat.com.uy 2->36 38 geoplugin.net 2->38 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 14 other signatures 2->64 8 Intesa.Sanpaolo.Pagamento.pdf.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 process4 dnsIp5 40 remisat.com.uy 192.254.232.209, 443, 49704, 49714 UNIFIEDLAYER-AS-1US United States 8->40 30 C:\Users\user\AppData\...30extChannelSink.exe, PE32 8->30 dropped 32 C:\...32extChannelSink.exe:Zone.Identifier, ASCII 8->32 dropped 34 C:\Users\user\AppData\...34extChannelSink.vbs, ASCII 8->34 dropped 74 Tries to steal Mail credentials (via file registry) 8->74 76 Drops VBS files to the startup folder 8->76 78 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->78 80 Injects a PE file into a foreign processes 8->80 15 Intesa.Sanpaolo.Pagamento.pdf.exe 2 13 8->15         started        82 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->82 19 NextChannelSink.exe 14 2 13->19         started        file6 signatures7 process8 dnsIp9 42 204.10.160.239, 49705, 49706, 9682 UNREAL-SERVERSUS Canada 15->42 44 geoplugin.net 178.237.33.50, 49707, 80 ATOM86-ASATOM86NL Netherlands 15->44 46 Detected Remcos RAT 15->46 48 Maps a DLL or memory area into another process 15->48 21 Intesa.Sanpaolo.Pagamento.pdf.exe 1 15->21         started        24 Intesa.Sanpaolo.Pagamento.pdf.exe 1 15->24         started        26 Intesa.Sanpaolo.Pagamento.pdf.exe 2 15->26         started        50 Multi AV Scanner detection for dropped file 19->50 52 Contains functionalty to change the wallpaper 19->52 54 Contains functionality to steal Chrome passwords or cookies 19->54 56 4 other signatures 19->56 28 NextChannelSink.exe 19->28         started        signatures10 process11 signatures12 66 Tries to steal Instant Messenger accounts or passwords 21->66 68 Tries to steal Mail credentials (via file / registry access) 21->68 70 Tries to harvest and steal browser information (history, passwords, etc) 24->70 72 Detected Remcos RAT 28->72
Threat name:
Win32.Trojan.Sonbokli
Status:
Malicious
First seen:
2024-11-11 08:47:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Reads user/profile data of web browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
204.10.160.239:9682
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
84d5e09f1dec559db8fe63f3f9f9d2fab52963d9aba8d0f590d266fb7da6b30d
MD5 hash:
c8bc49ed133c2b4040fb1b9aca585fd6
SHA1 hash:
f646a168db0c6cb3ee2949c2d0770a82dbef4b6d
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:NET
Author:malware-lu
Rule name:pe_imphash
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 84d5e09f1dec559db8fe63f3f9f9d2fab52963d9aba8d0f590d266fb7da6b30d

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments