MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b5f51bac1e86642f29d33ce68e4ca56edecb6c76c39d936309e6b4c1d1e8554. 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 3 File information Comments

SHA256 hash: 8b5f51bac1e86642f29d33ce68e4ca56edecb6c76c39d936309e6b4c1d1e8554
SHA3-384 hash: 179c9b7528c3571416e27fc569c28a13db395e5b799ab7714d34aaa3c487d8c75231ca749099c0c693b2fd947e694a13
SHA1 hash: d47daee600d27a8dc2a3845bc2bfde635cd19216
MD5 hash: 066e3ef754707df1015ea3ecdfda156f
humanhash: delta-mango-skylark-hawaii
File name:SecuriteInfo.com.Win32.PWSX-gen.13177.10152
Download: download sample
Signature RemcosRAT
File size:939'520 bytes
First seen:2022-10-13 03:59:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:82cvclO8tWdRHD0j7KCZR5aQMoARfvJqo:87clAHD0j7KCZ/51+h
TLSH T15B15DFAA09B884E2DE65113CCC905DC022B76E620119EA9D6E7770BBCBF76CF5941D0F
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for the window
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
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:
96 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 722040 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 13/10/2022 Architecture: WINDOWS Score: 96 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 3 other signatures 2->45 9 SecuriteInfo.com.Win32.PWSX-gen.13177.10152.exe 3 2->9         started        13 oos.exe 2 2->13         started        15 oos.exe 2 2->15         started        17 oos.exe 2 2->17         started        process3 file4 37 SecuriteInfo.com.W...13177.10152.exe.log, ASCII 9->37 dropped 47 Injects a PE file into a foreign processes 9->47 19 SecuriteInfo.com.Win32.PWSX-gen.13177.10152.exe 5 4 9->19         started        signatures5 process6 file7 31 C:\Users\user\AppData\Roaming\oos.exe, PE32 19->31 dropped 33 C:\Users\user\...\oos.exe:Zone.Identifier, ASCII 19->33 dropped 35 C:\Users\user\AppData\Local\...\install.vbs, data 19->35 dropped 22 wscript.exe 1 19->22         started        process8 process9 24 cmd.exe 1 22->24         started        process10 26 oos.exe 2 24->26         started        29 conhost.exe 24->29         started        signatures11 49 Multi AV Scanner detection for dropped file 26->49 51 Machine Learning detection for dropped file 26->51
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-13 02:41:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:xp persistence rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
xpremcuz300622.ddns.net:3542
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e5db62eb9602eb4e7b1d2eda848b5f65f1ac35bc90e9127f4777b09493f1fcec
MD5 hash:
9705fef6bfdfbb7e9546fb9a9d1e4afc
SHA1 hash:
e74765ab9298b57cbad7927d693261c78075169d
Detections:
win_remcos_auto
Parent samples :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 hash:
15139fd27571e10f98eca3cf1de34454cdb74a7f816f5e38a899e4de1bf74b31
MD5 hash:
91b5d0af7bfa735afc2b649087182827
SHA1 hash:
aaf072ae7f4d3e5fc5d7e0e65a297a9615560246
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
SH256 hash:
8b5f51bac1e86642f29d33ce68e4ca56edecb6c76c39d936309e6b4c1d1e8554
MD5 hash:
066e3ef754707df1015ea3ecdfda156f
SHA1 hash:
d47daee600d27a8dc2a3845bc2bfde635cd19216
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:QbotStuff
Author:anonymous
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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