MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8af3401ca749e33217eca7aaeb904b7ef9d11ee8c4e1f28d884905c09ba66cbb. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 8af3401ca749e33217eca7aaeb904b7ef9d11ee8c4e1f28d884905c09ba66cbb
SHA3-384 hash: d884bb04d0f5f185ad11a362e0488f5927193675e0f80fee22e81fef3827f075de307c617e9d377ec564adb0d4f84a89
SHA1 hash: 1f6492dcd52822a643a49b353669a0df2b21d2b2
MD5 hash: d3ffc993136f1b5adccc3d94983a4c52
humanhash: bravo-red-mars-video
File name:SecuriteInfo.com.Win32.DropperX-gen.7490.2247
Download: download sample
Signature RemcosRAT
File size:2'140'672 bytes
First seen:2022-11-17 02:40:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:eB9ueyJ7ULLbbUYovZkFFuePojPLQWGhHwn3UaViylTmGqVCPuCFZ2P8Lx1evecX:jIP+ZEFQ3/fqVPUnLxIvkI
Threatray 2'766 similar samples on MalwareBazaar
TLSH T14CA5CF9BC070D2CEE571AF3B7B80E01259B819CB992F589F284D7F4371B66C8B186C59
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 :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SecuriteInfo.com.Win32.DropperX-gen.7490.2247
Verdict:
Malicious activity
Analysis date:
2022-11-17 02:41:18 UTC
Tags:
rat remcos

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

Behaviour
Сreating synchronization primitives
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
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 detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
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
Uses ping.exe to check the status of other devices and networks
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 748137 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 68 Multi AV Scanner detection for domain / URL 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 8 other signatures 2->74 7 SecuriteInfo.com.Win32.DropperX-gen.7490.2247.exe 1 7 2->7         started        11 Siqzuwnwtja.exe 4 2->11         started        13 Siqzuwnwtja.exe 3 2->13         started        process3 file4 52 C:\Users\user\AppData\...\Siqzuwnwtja.exe, PE32 7->52 dropped 54 C:\Users\...\Siqzuwnwtja.exe:Zone.Identifier, ASCII 7->54 dropped 56 SecuriteInfo.com.W...n.7490.2247.exe.log, ASCII 7->56 dropped 76 Encrypted powershell cmdline option found 7->76 78 Injects a PE file into a foreign processes 7->78 15 cmd.exe 1 7->15         started        18 SecuriteInfo.com.Win32.DropperX-gen.7490.2247.exe 2 7->18         started        21 powershell.exe 16 7->21         started        80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 23 cmd.exe 1 11->23         started        25 powershell.exe 11->25         started        27 Siqzuwnwtja.exe 11->27         started        29 cmd.exe 13->29         started        31 powershell.exe 13->31         started        signatures5 process6 dnsIp7 84 Uses ping.exe to check the status of other devices and networks 15->84 33 PING.EXE 1 15->33         started        36 conhost.exe 15->36         started        62 46.183.216.163, 49701, 49704, 49707 DATACLUBLV Latvia 18->62 64 10.26.173.68, 8107 unknown unknown 18->64 66 127.0.0.1 unknown unknown 18->66 38 conhost.exe 21->38         started        40 PING.EXE 1 23->40         started        42 conhost.exe 23->42         started        44 conhost.exe 25->44         started        46 PING.EXE 29->46         started        48 conhost.exe 29->48         started        50 conhost.exe 31->50         started        signatures8 process9 dnsIp10 58 google.com 142.250.186.110 GOOGLEUS United States 33->58 60 192.168.2.1 unknown unknown 33->60
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-17 00:58:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:favour persistence rat
Behaviour
Runs ping.exe
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:
46.183.216.163:8107
127.0.0.1:8107
10.26.173.68:8107
Unpacked files
SH256 hash:
489bd308d0c20b82b67dbcbb70a2a8a687b4db8c17fab0fdd8032c62a45630c8
MD5 hash:
d443b8bbf68e7b61b51f4ba3f88bdc5a
SHA1 hash:
cc8152a5e8953f9d37a84745b4dc9f55c21d43df
SH256 hash:
8af3401ca749e33217eca7aaeb904b7ef9d11ee8c4e1f28d884905c09ba66cbb
MD5 hash:
d3ffc993136f1b5adccc3d94983a4c52
SHA1 hash:
1f6492dcd52822a643a49b353669a0df2b21d2b2
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.

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