MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff64e80dba8ead90416aa270eb6d65c1cf74e0341704897d3a34c54d8d2cedc9. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1

SHA256 hash: ff64e80dba8ead90416aa270eb6d65c1cf74e0341704897d3a34c54d8d2cedc9
SHA3-384 hash: 637699237fb8ceba3d69401af95400d71783043e3f275e07ffbaa5973cabd49beadea996aed1137dfacbb90bcc5b7bcb
SHA1 hash: 38184672c96f46c7e49224a859807884a68a28eb
MD5 hash: ada157764d784ee032b696864e4ed255
humanhash: lemon-tennessee-mexico-alaska
File name:ada157764d784ee032b696864e4ed255
Download: download sample
Signature RemcosRAT
File size:45'200 bytes
First seen:2022-09-02 17:35:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:Y903yPhRAzA4ksiHpRsDaS1TJKhrLzt38HhP:Y9myZcAsDr1TJSzFS
TLSH T182134C619B545C02DC2649F766A0C22A8B337E10D7B1CAE7315CF2258F933525BEA73B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 888cc2d0d0f0fc0e (2 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
512
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ada157764d784ee032b696864e4ed255
Verdict:
Suspicious activity
Analysis date:
2022-09-02 17:36:23 UTC
Tags:
n/a

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
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed vbc.exe wacatac
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:
AsyncRAT, Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Encrypted powershell cmdline option found
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 696819 Sample: 43h33prK3i.exe Startdate: 02/09/2022 Architecture: WINDOWS Score: 100 45 vp.mastercoa.co 2->45 59 Multi AV Scanner detection for domain / URL 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 8 other signatures 2->65 8 43h33prK3i.exe 16 7 2->8         started        13 Npnhfvtou.exe 14 4 2->13         started        15 Npnhfvtou.exe 3 2->15         started        signatures3 process4 dnsIp5 47 www.quadrantmeasurements.com 8->47 49 quadrantmeasurements.com 162.144.0.45, 49709, 49714, 49720 UNIFIEDLAYER-AS-1US United States 8->49 51 192.168.2.1 unknown unknown 8->51 37 C:\Users\user\AppData\...37pnhfvtou.exe, PE32 8->37 dropped 39 C:\Users\...39pnhfvtou.exe:Zone.Identifier, ASCII 8->39 dropped 41 C:\Users\user\AppData\...\43h33prK3i.exe.log, ASCII 8->41 dropped 67 Encrypted powershell cmdline option found 8->67 17 InstallUtil.exe 2 3 8->17         started        21 powershell.exe 17 8->21         started        53 www.quadrantmeasurements.com 13->53 69 Multi AV Scanner detection for dropped file 13->69 71 Machine Learning detection for dropped file 13->71 23 powershell.exe 16 13->23         started        25 InstallUtil.exe 13->25         started        55 www.quadrantmeasurements.com 15->55 27 powershell.exe 15->27         started        29 InstallUtil.exe 15->29         started        file6 signatures7 process8 dnsIp9 43 vp.mastercoa.co 134.19.179.235, 31598 GLOBALLAYERNL Netherlands 17->43 57 Installs a global keyboard hook 17->57 31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 27->35         started        signatures10 process11
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-09-01 14:32:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
14 of 26 (53.85%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
vp.mastercoa.co:31598
Unpacked files
SH256 hash:
ff64e80dba8ead90416aa270eb6d65c1cf74e0341704897d3a34c54d8d2cedc9
MD5 hash:
ada157764d784ee032b696864e4ed255
SHA1 hash:
38184672c96f46c7e49224a859807884a68a28eb
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Web download

RemcosRAT

Executable exe ff64e80dba8ead90416aa270eb6d65c1cf74e0341704897d3a34c54d8d2cedc9

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-09-02 17:35:55 UTC

url : hxxp://84.38.134.57/241/vbc.exe