MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e7e4ce9fa5c34c4bd330c45e18b9766b47078c84c7584573921b0f8fa76bfc7. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1

SHA256 hash: 1e7e4ce9fa5c34c4bd330c45e18b9766b47078c84c7584573921b0f8fa76bfc7
SHA3-384 hash: c58e07ca54219a49054a9c7f89c31b49057a8a4f3c9051d3c3b3fcba4476051f9c84be2dcd0205e5e50b75bd4f90b543
SHA1 hash: eed3539e6034f1894fbb73170ebc4591a85c47ae
MD5 hash: fc8e16363a4be5b4a9eb139340d0eb1f
humanhash: moon-helium-north-one
File name:fc8e16363a4be5b4a9eb139340d0eb1f
Download: download sample
Signature RemcosRAT
File size:2'305'136 bytes
First seen:2022-11-12 08:50:25 UTC
Last seen:2022-11-12 11:37:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:azwMi15D1C+6DWvRWrhM/4xE4IEu09gxJgqr5z4/binjwWurkwxuVBcn1EaLVxV5:OwBvgMGE45oxV54WcOVun1xPV89ZRyB
Threatray 22'581 similar samples on MalwareBazaar
TLSH T17FB533023054ACD5D54C63B116CEA1042312EDA658E68E9F729FBD346AF2B4763EFF48
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 82b29c8e8eb2869e (1 x Formbook, 1 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
F00015722EXpo.docx
Verdict:
Malicious activity
Analysis date:
2022-11-12 08:20:12 UTC
Tags:
opendir trojan exploit cve-2017-11882 loader rat remcos keylogger stealer

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

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm overlay 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:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 744482 Sample: XBULeODWiU.exe Startdate: 12/11/2022 Architecture: WINDOWS Score: 100 59 Multi AV Scanner detection for domain / URL 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 8 other signatures 2->65 7 XBULeODWiU.exe 1 7 2->7         started        11 Ynhycd.exe 3 2->11         started        13 Ynhycd.exe 3 2->13         started        process3 file4 45 C:\Users\user\AppData\Roaming\...\Ynhycd.exe, PE32 7->45 dropped 47 C:\Users\user\...\Ynhycd.exe:Zone.Identifier, ASCII 7->47 dropped 49 C:\Users\user\AppData\...\XBULeODWiU.exe.log, ASCII 7->49 dropped 67 Encrypted powershell cmdline option found 7->67 69 Injects a PE file into a foreign processes 7->69 15 XBULeODWiU.exe 2 19 7->15         started        20 powershell.exe 16 7->20         started        71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 22 powershell.exe 11->22         started        24 powershell.exe 13->24         started        signatures5 process6 dnsIp7 51 maz.mastercoa.co 192.30.89.67, 3444, 49701, 49702 CLOUDSINGULARITYCA Canada 15->51 53 geoplugin.net 178.237.33.50, 49704, 80 ATOM86-ASATOM86NL Netherlands 15->53 41 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 15->41 dropped 43 C:\ProgramData\remcos\logs.dat, data 15->43 dropped 55 Maps a DLL or memory area into another process 15->55 57 Installs a global keyboard hook 15->57 26 XBULeODWiU.exe 1 15->26         started        29 XBULeODWiU.exe 15->29         started        31 XBULeODWiU.exe 1 15->31         started        39 4 other processes 15->39 33 conhost.exe 20->33         started        35 conhost.exe 22->35         started        37 conhost.exe 24->37         started        file8 signatures9 process10 signatures11 75 Tries to steal Instant Messenger accounts or passwords 26->75 77 Tries to steal Mail credentials (via file / registry access) 26->77 79 Machine Learning detection for dropped file 39->79 81 Tries to harvest and steal browser information (history, passwords, etc) 39->81
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2022-11-11 14:18:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:remcos botnet:remotehost collection keylogger persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
AgentTesla
Remcos
Malware Config
C2 Extraction:
maz.mastercoa.co:3444
Unpacked files
SH256 hash:
c66f311c7792047e8ad4e9cef72163d502de8e627f887f7e3b18e783a7b5738b
MD5 hash:
068420bc53bd428327580e8fcdb53a46
SHA1 hash:
5531fe296f130b491e68b23e29d0d3c5a964a0a4
SH256 hash:
1e7e4ce9fa5c34c4bd330c45e18b9766b47078c84c7584573921b0f8fa76bfc7
MD5 hash:
fc8e16363a4be5b4a9eb139340d0eb1f
SHA1 hash:
eed3539e6034f1894fbb73170ebc4591a85c47ae
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 1e7e4ce9fa5c34c4bd330c45e18b9766b47078c84c7584573921b0f8fa76bfc7

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-12 08:50:32 UTC

url : hxxp://35.178.245.215/233/vbc.exe