MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0733b60cb298a6af58554ee275fc72fd859d747d3af92b0fad87f113564304f. 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 2 File information Comments 1

SHA256 hash: b0733b60cb298a6af58554ee275fc72fd859d747d3af92b0fad87f113564304f
SHA3-384 hash: 89d3e539f2ad72eedb5b689a6acd995136370ecfc067f18a55ca8e7cd802da535ad86a96fca19263ca4b72fdfc8baabd
SHA1 hash: d925da182288378d27d248372b8e8a01e434ac8e
MD5 hash: a006e218b8d29e9ef58824286e0a73eb
humanhash: nevada-harry-freddie-illinois
File name:a006e218b8d29e9ef58824286e0a73eb
Download: download sample
Signature RemcosRAT
File size:1'158'656 bytes
First seen:2022-06-10 22:30:31 UTC
Last seen:2022-06-10 23:54:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:sPguNoMnz2xa3+/48dYSQHIoOOTe3Mln2xddl/y50L9:Gg4nz2UG48uPIoOke322Xdl/a
Threatray 2'659 similar samples on MalwareBazaar
TLSH T1B535DF2853F7CA2BF03E6B379112401A95F92017A2CBF7072DC629F518E73A36D9919D
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
387
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://45.85.190.93/276/vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-06-10 07:18:36 UTC
Tags:
opendir loader

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
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
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
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 AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 643643 Sample: N6UxJtD15P Startdate: 11/06/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for dropped file 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 4 other signatures 2->62 10 N6UxJtD15P.exe 3 2->10         started        14 ios.exe 3 2->14         started        16 ios.exe 2 2->16         started        process3 file4 50 C:\Users\user\AppData\...506UxJtD15P.exe.log, ASCII 10->50 dropped 66 Contains functionality to steal Chrome passwords or cookies 10->66 68 Contains functionality to inject code into remote processes 10->68 70 Contains functionality to steal Firefox passwords or cookies 10->70 72 Delayed program exit found 10->72 18 N6UxJtD15P.exe 4 4 10->18         started        21 ios.exe 2 14 14->21         started        25 ios.exe 16->25         started        signatures5 process6 dnsIp7 44 C:\Users\user\AppData\Roaming\ios.exe, PE32 18->44 dropped 46 C:\Users\user\...\ios.exe:Zone.Identifier, ASCII 18->46 dropped 48 C:\Users\user\AppData\Local\...\install.vbs, data 18->48 dropped 27 wscript.exe 1 18->27         started        52 skygroupt6.zapto.org 194.31.98.250, 2080, 49740 BURSABILTR Netherlands 21->52 54 geoplugin.net 178.237.33.50, 49741, 80 ATOM86-ASATOM86NL Netherlands 21->54 64 Installs a global keyboard hook 21->64 file8 signatures9 process10 process11 29 cmd.exe 1 27->29         started        process12 31 ios.exe 2 29->31         started        34 conhost.exe 29->34         started        signatures13 74 Multi AV Scanner detection for dropped file 31->74 76 Contains functionality to steal Chrome passwords or cookies 31->76 78 Contains functionality to steal Firefox passwords or cookies 31->78 80 Delayed program exit found 31->80 36 ios.exe 31->36         started        38 ios.exe 31->38         started        40 ios.exe 31->40         started        42 2 other processes 31->42 process14
Threat name:
ByteCode-MSIL.Trojan.RemcosRAT
Status:
Malicious
First seen:
2022-06-10 05:13:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 41 (48.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
skygroupt6.zapto.org:2080
Unpacked files
SH256 hash:
9f5a18c2bd8e94ffe55e2b001890b0ff9d2040d68363fa38d3208092fc8bc199
MD5 hash:
58c838e871827164357dbf2b4a8ec460
SHA1 hash:
ef673a7ca6be85b66616b74b0a066a688fa7707f
SH256 hash:
3341cfa71427bc47d8688491320775fd9b6599242ea03b68ea24bafb63dd8191
MD5 hash:
926779a17ef9115f004a4407eebba97f
SHA1 hash:
a03e5148639d5b085809fd9431261d3a5bd8fb36
SH256 hash:
4d7a1202e5360fcc3a77f8d9af28f80b26ae66346341a973dc8ac9096d8a8747
MD5 hash:
3f428362a2e853d401aea8fa0b452721
SHA1 hash:
4ced635ff3431693515c91eb57b3c32f1acdedca
SH256 hash:
b0733b60cb298a6af58554ee275fc72fd859d747d3af92b0fad87f113564304f
MD5 hash:
a006e218b8d29e9ef58824286e0a73eb
SHA1 hash:
d925da182288378d27d248372b8e8a01e434ac8e
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: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 b0733b60cb298a6af58554ee275fc72fd859d747d3af92b0fad87f113564304f

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-10 22:30:50 UTC

url : hxxp://45.85.190.93/276/vbc.exe