MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61a3e788d1ae18d12df0bf7198a922c14e998c195b520a5543b43814b8bcbfa0. 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 5 File information Comments

SHA256 hash: 61a3e788d1ae18d12df0bf7198a922c14e998c195b520a5543b43814b8bcbfa0
SHA3-384 hash: 02b28d52ffd236e45e27ce39f5a868d3d4c23ce25fd4d92b93d409ad7abac174dc057ca840be27c271412920f7cc2cea
SHA1 hash: cf07848ee1dc0da3fda70510a8dc8990b2816df3
MD5 hash: c5a08dcc97adbbb2b47343a5eae0be51
humanhash: bulldog-september-berlin-saturn
File name:Scanned_by_Xerox B230_Printer.exe
Download: download sample
Signature RemcosRAT
File size:1'495'040 bytes
First seen:2023-08-24 12:57:47 UTC
Last seen:2023-08-25 05:56:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76bc86784ec95ebb411a5c6db5b65ea (1 x AZORult, 1 x RemcosRAT)
ssdeep 24576:SZPw5oynpM4NVNyB+MLWn9WUS20tFJTtf7BtdZhPKRRUW0YEq0UxX8OCo6Z0:SZPw+ynm+scWUktFJT5BtdZBWWqxxX8j
Threatray 4 similar samples on MalwareBazaar
TLSH T13365D122E5BB81B3E21B3D35889A935999157E24193C840EAAB13FD8CF372D3F4151B7
TrID 86.8% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.3% (.SCR) Windows screen saver (13097/50/3)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 819cf0d2d4c2d400 (1 x AZORult, 1 x RemcosRAT)
Reporter TeamDreier
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
323
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Scanned_by_Xerox B230_Printer.exe
Verdict:
Malicious activity
Analysis date:
2023-08-24 12:59:14 UTC
Tags:
rat remcos remote

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

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Gathering data
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:
Remcos, DBatLoader
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Sample uses process hollowing technique
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)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1296673 Sample: Scanned_by_Xerox_B230_Printer.exe Startdate: 24/08/2023 Architecture: WINDOWS Score: 100 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 Antivirus detection for dropped file 2->90 92 9 other signatures 2->92 11 Scanned_by_Xerox_B230_Printer.exe 1 7 2->11         started        16 Ahjavppz.PIF 2->16         started        process3 dnsIp4 74 web.fe.1drv.com 11->74 76 onedrive.live.com 11->76 82 2 other IPs or domains 11->82 60 C:\Users\Public\Libraries\netutils.dll, PE32+ 11->60 dropped 62 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 11->62 dropped 64 C:\Users\Public\Libraries\Ahjavppz.PIF, PE32 11->64 dropped 114 Drops PE files with a suspicious file extension 11->114 116 Writes to foreign memory regions 11->116 118 Allocates memory in foreign processes 11->118 120 Injects a PE file into a foreign processes 11->120 18 SndVol.exe 3 13 11->18         started        22 cmd.exe 1 11->22         started        78 web.fe.1drv.com 16->78 80 onedrive.live.com 16->80 84 2 other IPs or domains 16->84 122 Multi AV Scanner detection for dropped file 16->122 124 Machine Learning detection for dropped file 16->124 file5 signatures6 process7 dnsIp8 70 163.123.143.32, 42199, 49734, 49735 ILIGHT-NETUS Reserved 18->70 72 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 18->72 94 Maps a DLL or memory area into another process 18->94 96 Sample uses process hollowing technique 18->96 24 SndVol.exe 18->24         started        27 SndVol.exe 18->27         started        29 SndVol.exe 18->29         started        39 14 other processes 18->39 98 Uses ping.exe to sleep 22->98 100 Drops executables to the windows directory (C:\Windows) and starts them 22->100 102 Uses ping.exe to check the status of other devices and networks 22->102 31 easinvoker.exe 22->31         started        33 PING.EXE 1 22->33         started        36 xcopy.exe 2 22->36         started        41 8 other processes 22->41 signatures9 process10 dnsIp11 106 Tries to steal Instant Messenger accounts or passwords 24->106 108 Tries to steal Mail credentials (via file / registry access) 24->108 43 cmd.exe 1 31->43         started        66 127.0.0.1 unknown unknown 33->66 56 C:\Windows \System32\easinvoker.exe, PE32+ 36->56 dropped 68 192.168.2.1 unknown unknown 39->68 110 Tries to harvest and steal browser information (history, passwords, etc) 39->110 58 C:\Windows \System32\netutils.dll, PE32+ 41->58 dropped file12 signatures13 process14 signatures15 112 Adds a directory exclusion to Windows Defender 43->112 46 cmd.exe 1 43->46         started        49 conhost.exe 43->49         started        process16 signatures17 126 Adds a directory exclusion to Windows Defender 46->126 51 powershell.exe 23 46->51         started        process18 signatures19 104 DLL side loading technique detected 51->104 54 conhost.exe 51->54         started        process20
Threat name:
Win32.Trojan.Synder
Status:
Malicious
First seen:
2023-08-24 12:58:52 UTC
File Type:
PE (Exe)
Extracted files:
60
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost persistence rat trojan
Behaviour
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
127.0.0.1:43991
127.0.0.1:42199
163.123.143.32:42199
163.123.143.32:43991
Unpacked files
SH256 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
SH256 hash:
61a3e788d1ae18d12df0bf7198a922c14e998c195b520a5543b43814b8bcbfa0
MD5 hash:
c5a08dcc97adbbb2b47343a5eae0be51
SHA1 hash:
cf07848ee1dc0da3fda70510a8dc8990b2816df3
Detections:
DbatLoaderStage1
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information


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

Malspam

RemcosRAT

Executable exe 61a3e788d1ae18d12df0bf7198a922c14e998c195b520a5543b43814b8bcbfa0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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