MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dd9b2416d3664f937431cf905785c7c059481734fd0f2c7ddd96d70faccdcad. 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: 4dd9b2416d3664f937431cf905785c7c059481734fd0f2c7ddd96d70faccdcad
SHA3-384 hash: 1174ab962d5d6dda86965ea052d88f03617602908e385b2c837bec8bfb13d9106a174d7c4d44ae6aaff427fae0180088
SHA1 hash: e8ec49b50ebf373f2aaf72fd276f38880a944df6
MD5 hash: e82f1f9e5f1083a31bea402527b5b47e
humanhash: october-social-sixteen-hot
File name:SecuriteInfo.com.Win32.WormX-gen.18239.7063
Download: download sample
Signature RemcosRAT
File size:2'412'032 bytes
First seen:2022-11-11 02:38:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:IEWrpGpfJK5s/DhV+ZOP/HhFkrL8GfJZTqf5tq8+tx:aQJws/DhMtrLHjTqBV+tx
Threatray 2'190 similar samples on MalwareBazaar
TLSH T10BB533874D95C2ACF5A43B31593184537A747D481B2EC58FFC8DBE8DD8F2280B926E86
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 31d89c92929ed831 (19 x RemcosRAT, 6 x Formbook, 2 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SecuriteInfo.com.Win32.WormX-gen.18239.7063
Verdict:
Malicious activity
Analysis date:
2022-11-11 02:39:07 UTC
Tags:
rat remcos

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 743631 Sample: SecuriteInfo.com.Win32.Worm... Startdate: 11/11/2022 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 7 other signatures 2->52 7 SecuriteInfo.com.Win32.WormX-gen.18239.7063.exe 1 7 2->7         started        11 Zupdby.exe 4 2->11         started        13 Zupdby.exe 3 2->13         started        process3 file4 34 C:\Users\user\AppData\Roaming\...\Zupdby.exe, PE32 7->34 dropped 36 C:\Users\user\...\Zupdby.exe:Zone.Identifier, ASCII 7->36 dropped 38 SecuriteInfo.com.W....18239.7063.exe.log, ASCII 7->38 dropped 54 Encrypted powershell cmdline option found 7->54 56 Injects a PE file into a foreign processes 7->56 15 SecuriteInfo.com.Win32.WormX-gen.18239.7063.exe 2 7->15         started        18 powershell.exe 16 7->18         started        58 Antivirus detection for dropped file 11->58 60 Multi AV Scanner detection for dropped file 11->60 62 Machine Learning detection for dropped file 11->62 20 powershell.exe 11 11->20         started        22 Zupdby.exe 11->22         started        24 powershell.exe 12 13->24         started        26 Zupdby.exe 13->26         started        signatures5 process6 dnsIp7 40 185.156.174.115, 32763 M247GB Romania 15->40 42 10.13.93.136, 32763 unknown unknown 15->42 44 127.0.0.1 unknown unknown 15->44 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        process8
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2022-11-10 22:54:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:graced persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
185.156.174.115:32763
127.0.0.1:32763
10.13.93.136:32763
Gathering data
Unpacked files
SH256 hash:
570b8538ddf93339929fb4e7dce81223f8138e8210e56214ed3b2b116618d727
MD5 hash:
5d6dc933f6b711b5083d9d2b47e1e0bb
SHA1 hash:
991aaf556cadf9848cceb640237f9a4b87c2218a
SH256 hash:
5d5647be4118a7eecd7427bef0aa99c29384868a41d5ad002656faf45d08de9a
MD5 hash:
07fec97b8573202b5ca4333e65444dd9
SHA1 hash:
5c97cabba9d38aae5db7b3bb9da4293d72325d96
SH256 hash:
4dd9b2416d3664f937431cf905785c7c059481734fd0f2c7ddd96d70faccdcad
MD5 hash:
e82f1f9e5f1083a31bea402527b5b47e
SHA1 hash:
e8ec49b50ebf373f2aaf72fd276f38880a944df6
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.

Comments