MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90aeca3777576bf0d4928c488d1f60752a81cd8fb6050dbb69697116003a5ba5. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments

SHA256 hash: 90aeca3777576bf0d4928c488d1f60752a81cd8fb6050dbb69697116003a5ba5
SHA3-384 hash: 916da20fac1eb35647a7233b518b31ebb8ef64a7e549bc092b4dc8740ff7a197b49c4c37bae908e3309a048a778f7344
SHA1 hash: 39e66a3be1d86b9720c8dd1630d98b67b2ef2e28
MD5 hash: c4041cb3dc364408cff22284b84e2006
humanhash: leopard-angel-vermont-oklahoma
File name:VALIDACION DE ACH REALIZADA ABRIL 03 DEL 2024.exe
Download: download sample
Signature RemcosRAT
File size:6'208'408 bytes
First seen:2024-04-03 22:04:16 UTC
Last seen:2024-04-03 22:30:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 82b36e3bb862457f83fa26890e0696db (1 x RemcosRAT)
ssdeep 98304:W5LAUlEWTSzyFoXzmpfrD0xCZVbuyfDrdqafgNMVMUWVFQrT54YLyHozcKVImVcs:SLAsEWoSEmpD4x4uoEUWVFQrT54YLyHK
Threatray 2 similar samples on MalwareBazaar
TLSH T19A56C012BA94C075D3D21070092BA79193B7EEB01F724AE767847E2DB734AD29539F23
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0cccccc9cf8f8f0 (1 x RedLineStealer, 1 x Adware.Generic, 1 x AllcomeClipper)
Reporter johnk3r
Tags:APT-C-36 BlindEagle exe remcos RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
600
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
90aeca3777576bf0d4928c488d1f60752a81cd8fb6050dbb69697116003a5ba5.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 22:05:26 UTC
Tags:
rat remcos keylogger

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

Behaviour
Searching for the window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
92%
Tags:
anti-vm crypto datper evasive expand explorer fingerprint keylogger lolbin netsh overlay packed remcos remote rundll32 shell32 stealer tracker update
Verdict:
Malicious
Labled as:
UTorrent_AGeneric.A potentially unwanted application
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:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Drops large PE files
Drops PE files to the document folder of the user
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-04-03 22:05:13 UTC
File Type:
PE (Exe)
Extracted files:
226
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:rubi persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtCreateThreadExHideFromDebugger
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
josealdogamarralora09.con-ip.com:1880
Unpacked files
SH256 hash:
c443afeee1f53b86e5f9b20263a90b016ebb4714d4bb910555ec1a0142ef2d0e
MD5 hash:
c1f8f348a7ac40581cd98478aef0b695
SHA1 hash:
0c99ab3b8bb81fd3260fabb2ed3862ccbd2a3668
SH256 hash:
7b34b116c860eb2bbc6148b73daa8748aeb46f82cd624af7c19d0e42262c5ccd
MD5 hash:
d1a0fc98d8468939f9640d26ba827ce8
SHA1 hash:
c3718627fa2fc387e1eaedfaf05aa1272f827278
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
90aeca3777576bf0d4928c488d1f60752a81cd8fb6050dbb69697116003a5ba5
MD5 hash:
c4041cb3dc364408cff22284b84e2006
SHA1 hash:
39e66a3be1d86b9720c8dd1630d98b67b2ef2e28
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:APT_Bitter_ZxxZ_Downloader
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh
Rule name:APT_Sandworm_ArguePatch_Apr_2022_1
Author:Arkbird_SOLG
Description:Detect ArguePatch loader used by Sandworm group for load CaddyWiper
Reference:https://www.welivesecurity.com/2022/04/12/industroyer2-industroyer-reloaded/
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:QbotStuff
Author:anonymous
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Distributed via e-mail link

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