MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 863f528bd37764a0105ce3cbc3ce6dbbe837b756e5df0ed150e2242926e8a64f. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 863f528bd37764a0105ce3cbc3ce6dbbe837b756e5df0ed150e2242926e8a64f
SHA3-384 hash: fb0d8a3a84ba6f845035de91c3967fa77c676f3ddb3954c3b80186a1464c3537f0be3f5939e399edfc92c502028a5834
SHA1 hash: 8bceb03e57e9431d32086858922aea4d80564359
MD5 hash: ad6cc60e2ebd3c2f85581eb6771d3fba
humanhash: ack-salami-tennessee-neptune
File name:shipping document PL&BL draft.exe
Download: download sample
Signature RemcosRAT
File size:17'408 bytes
First seen:2023-01-23 09:09:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:5mJ5ak1CuTFoLP+BPpXzKLSyptjJRqP1/15KcnIgMWx3m:2jSLGJp6SyDqP16zG8
Threatray 3'775 similar samples on MalwareBazaar
TLSH T10C721862365C6EB1C621CB7FD9ABED5443B8EB623503C55FB44B23472C13B8ADB92240
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 adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
shipping document PL&BL draft.exe
Verdict:
Malicious activity
Analysis date:
2023-01-23 09:12:21 UTC
Tags:
rat remcos stealer

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

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
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:
Remcos, zgRAT
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Encrypted powershell cmdline option found
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for dropped file
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)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 789566 Sample: shipping document PL&BL draft.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 100 57 Multi AV Scanner detection for domain / URL 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 12 other signatures 2->63 7 shipping document PL&BL draft.exe 16 7 2->7         started        12 Unfbzze.exe 2->12         started        14 Unfbzze.exe 2->14         started        process3 dnsIp4 45 transfer.sh 144.76.136.153, 443, 49712, 49722 HETZNER-ASDE Germany 7->45 35 C:\Users\user\AppData\Roaming\...\Unfbzze.exe, PE32 7->35 dropped 37 C:\Users\user\...\Unfbzze.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\...\shipping document PL&BL draft.exe.log, ASCII 7->39 dropped 71 Encrypted powershell cmdline option found 7->71 73 Writes to foreign memory regions 7->73 75 Injects a PE file into a foreign processes 7->75 16 aspnet_compiler.exe 2 14 7->16         started        20 aspnet_compiler.exe 7->20         started        22 powershell.exe 16 7->22         started        77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 file5 signatures6 process7 dnsIp8 41 obologs.work.gd 185.156.175.35, 34346, 49715, 49716 M247GB Romania 16->41 43 geoplugin.net 178.237.33.50, 49717, 80 ATOM86-ASATOM86NL Netherlands 16->43 47 Maps a DLL or memory area into another process 16->47 24 aspnet_compiler.exe 1 16->24         started        27 aspnet_compiler.exe 1 16->27         started        29 aspnet_compiler.exe 16->29         started        33 24 other processes 16->33 49 Contains functionality to steal Chrome passwords or cookies 20->49 51 Contains functionality to inject code into remote processes 20->51 53 Contains functionality to steal Firefox passwords or cookies 20->53 55 Delayed program exit found 20->55 31 conhost.exe 22->31         started        signatures9 process10 signatures11 65 Tries to steal Instant Messenger accounts or passwords 24->65 67 Tries to steal Mail credentials (via file / registry access) 24->67 69 Tries to harvest and steal browser information (history, passwords, etc) 33->69
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-17 18:42:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 39 (69.23%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:34346
Unpacked files
SH256 hash:
863f528bd37764a0105ce3cbc3ce6dbbe837b756e5df0ed150e2242926e8a64f
MD5 hash:
ad6cc60e2ebd3c2f85581eb6771d3fba
SHA1 hash:
8bceb03e57e9431d32086858922aea4d80564359
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:AsyncRat_Detection_Dec_2022
Author:Potatech
Description:AsyncRat
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 863f528bd37764a0105ce3cbc3ce6dbbe837b756e5df0ed150e2242926e8a64f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments