MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c731fbba9859cc6b6d0f1cca4bce52221618c4f367b52d0c59e8fb9e4a321412. 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: c731fbba9859cc6b6d0f1cca4bce52221618c4f367b52d0c59e8fb9e4a321412
SHA3-384 hash: 7eecd9d4abd9e08383dd50dda6033b81750695e1d6c736d4fac3b1c12a7863aae2c263d571dc69a2da39dd63a23ae821
SHA1 hash: ad0d10c79b02dc2df2fce5ae3833244369850c8f
MD5 hash: a8bbcac4abc3a21e72236612cfcc4187
humanhash: speaker-failed-skylark-oxygen
File name:SecuriteInfo.com.Variant.MSILHeracles.52650.10265.21866
Download: download sample
Signature RemcosRAT
File size:970'240 bytes
First seen:2022-11-27 08:31:16 UTC
Last seen:Never
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:krKGbs2FRBLnKzyoOA7I0zBFxALt9TsH8gDYdFU:kzoq3nKpEesrTscgD
Threatray 2'871 similar samples on MalwareBazaar
TLSH T1C42533A6194671D4CE241736E733F6E44E3A5E19800A88846EE5F901B7BCDDBD21B0EF
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% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SecuriteInfo.com.Variant.MSILHeracles.52650.10265.21866
Verdict:
Malicious activity
Analysis date:
2022-11-27 08:33:56 UTC
Tags:
trojan rat remcos

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

Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
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.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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 754574 Sample: SecuriteInfo.com.Variant.MS... Startdate: 27/11/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 10 other signatures 2->60 7 SecuriteInfo.com.Variant.MSILHeracles.52650.10265.21866.exe 1 7 2->7         started        11 Husgn.exe 4 2->11         started        13 Husgn.exe 3 2->13         started        process3 file4 46 C:\Users\user\AppData\Roaming\...\Husgn.exe, PE32 7->46 dropped 48 C:\Users\user\...\Husgn.exe:Zone.Identifier, ASCII 7->48 dropped 50 SecuriteInfo.com.V...10265.21866.exe.log, ASCII 7->50 dropped 62 Encrypted powershell cmdline option found 7->62 64 Injects a PE file into a foreign processes 7->64 15 SecuriteInfo.com.Variant.MSILHeracles.52650.10265.21866.exe 2 7->15         started        18 powershell.exe 15 7->18         started        20 powershell.exe 7 7->20         started        66 Antivirus detection for dropped file 11->66 68 Multi AV Scanner detection for dropped file 11->68 70 Machine Learning detection for dropped file 11->70 22 powershell.exe 7 11->22         started        24 powershell.exe 11->24         started        26 Husgn.exe 11->26         started        28 powershell.exe 13->28         started        30 powershell.exe 13->30         started        32 Husgn.exe 13->32         started        signatures5 process6 dnsIp7 52 46.183.216.163, 49701, 8107 DATACLUBLV Latvia 15->52 34 conhost.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 28->42         started        44 conhost.exe 30->44         started        process8
Threat name:
Win32.Trojan.RemcosRAT
Status:
Malicious
First seen:
2022-11-27 05:46:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:favour 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:
46.183.216.163:8107
127.0.0.1:8107
10.26.173.68:8107
Unpacked files
SH256 hash:
441684ea1c93285b3fdbe64d8c07287ca2991f3505ecfc2b0d5a44a0691d6266
MD5 hash:
2038ebe780b9a1221b057e89bb35cdd0
SHA1 hash:
e7fccc74e0d67ee4decbf98e23de5b04933b8c34
SH256 hash:
c731fbba9859cc6b6d0f1cca4bce52221618c4f367b52d0c59e8fb9e4a321412
MD5 hash:
a8bbcac4abc3a21e72236612cfcc4187
SHA1 hash:
ad0d10c79b02dc2df2fce5ae3833244369850c8f
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