MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b48da856ec9ca6be0cf49057f60a04aadfd11f601324712f3257b1bf4f73697. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 8b48da856ec9ca6be0cf49057f60a04aadfd11f601324712f3257b1bf4f73697
SHA3-384 hash: cad523194e13c4ccec5ca7b05234c0613cd53bc519db035d19a5ca9680b871dfba2bce927f50c6ead2fd05f63b78a8ca
SHA1 hash: 3d23fedc54851f9ca9e54b1bfbe8ba14b464e5b2
MD5 hash: ad23144508d86564a4b38ab14a6bd169
humanhash: nevada-music-speaker-berlin
File name:SecuriteInfo.com.Win32.RATX-gen.22005.29659
Download: download sample
Signature RemcosRAT
File size:1'312'768 bytes
First seen:2022-11-03 02:04:06 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 24576:cfZRUtWK9hOXT9y8stSPfJlHmhGbx14WpkqOtsLOFn12I/An:SZRUYKf8BxstSPfJlGhGPNkqhLO2I/A
Threatray 2'140 similar samples on MalwareBazaar
TLSH T1315501E1AB40C4A5D8978678883796B7B873A25DCC68090D3D96FF0B7D723474027D9B
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 6cecccccb4c2f2b2 (38 x AgentTesla, 30 x Formbook, 24 x PythonStealer)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.22005.29659
Verdict:
Malicious activity
Analysis date:
2022-11-03 02:08:47 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
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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: 736601 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 8 other signatures 2->58 7 SecuriteInfo.com.Win32.RATX-gen.22005.29659.exe 1 5 2->7         started        11 Nqreoxbyztt.exe 2 2->11         started        13 Nqreoxbyztt.exe 1 2->13         started        process3 file4 40 C:\Users\user\AppData\...40qreoxbyztt.exe, PE32 7->40 dropped 42 C:\Users\...42qreoxbyztt.exe:Zone.Identifier, ASCII 7->42 dropped 44 SecuriteInfo.com.W...22005.29659.exe.log, ASCII 7->44 dropped 60 Encrypted powershell cmdline option found 7->60 62 Injects a PE file into a foreign processes 7->62 15 SecuriteInfo.com.Win32.RATX-gen.22005.29659.exe 2 7->15         started        18 powershell.exe 16 7->18         started        64 Antivirus detection for dropped file 11->64 66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 20 powershell.exe 11 11->20         started        22 Nqreoxbyztt.exe 11->22         started        24 Nqreoxbyztt.exe 11->24         started        26 powershell.exe 13 13->26         started        28 Nqreoxbyztt.exe 13->28         started        30 Nqreoxbyztt.exe 13->30         started        32 2 other processes 13->32 signatures5 process6 dnsIp7 46 185.156.174.115, 32763 M247GB Romania 15->46 48 10.13.93.136, 32763 unknown unknown 15->48 50 127.0.0.1 unknown unknown 15->50 34 conhost.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 26->38         started        process8
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-11-02 23:05:42 UTC
AV detection:
23 of 26 (88.46%)
Threat level:
  3/5
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
Unpacked files
SH256 hash:
215395c8794b0da686fec2df14ac0fe542ac514a77662924f79d1c8425ac4bbb
MD5 hash:
e273345f57fc6e2532f8771250516c10
SHA1 hash:
d57219f7d6d6c3b5a47cb69a474193b3ee2414ed
SH256 hash:
d414d98b3867154e8b821c88d9430943f752684e330b301db481cca8e7c5ae64
MD5 hash:
7c3a9a4ccaab81ec8a4a752b44578fc1
SHA1 hash:
ce3132d7ab05421ed43d630431b65709ca555ffa
SH256 hash:
2132da926cec5cf0c5b83fcf94fa8505ec598105505f64a351cac48bb986fe5f
MD5 hash:
4c38049041f47b313a41828060c16e83
SHA1 hash:
65cb9f0e512d2aec39ff01977ce2df7299fc2303
Detections:
win_remcos_auto
SH256 hash:
8b48da856ec9ca6be0cf49057f60a04aadfd11f601324712f3257b1bf4f73697
MD5 hash:
ad23144508d86564a4b38ab14a6bd169
SHA1 hash:
3d23fedc54851f9ca9e54b1bfbe8ba14b464e5b2
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.

Comments