MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48075512d81806049d193cf798c12f30110cb03ccd0f18bc69e9aa1af69693f8. 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: 19


Intelligence 19 IOCs YARA 21 File information Comments

SHA256 hash: 48075512d81806049d193cf798c12f30110cb03ccd0f18bc69e9aa1af69693f8
SHA3-384 hash: d596d6f71a12a1cb44587043129445ac28433fb4686cd9a6535c637c3bd9abdb686a1c25cd59aa79c8f6aeed388d97be
SHA1 hash: 871358f90432aafdb466d9bc82d5b464f109259f
MD5 hash: 12d875c199f1684fd8ad2bc27c81f24a
humanhash: skylark-arkansas-winter-eight
File name:48075512d81806049d193cf798c12f30110cb03ccd0f18bc69e9aa1af69693f8
Download: download sample
Signature RemcosRAT
File size:994'824 bytes
First seen:2025-04-08 08:24:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:wbAanq8qeZz2CeJMCnXlEbmRYKUlEwKMizh:GALeZz2JngmbMil
Threatray 4'210 similar samples on MalwareBazaar
TLSH T1292523EF9E103A71CF2D4B77806325628DB39087EE75F3686EEC4AF85D507984A0690D
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon 14f0ccced6cce971 (11 x SnakeKeylogger, 9 x Formbook, 5 x MassLogger)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
334
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
48075512d81806049d193cf798c12f30110cb03ccd0f18bc69e9aa1af69693f8
Verdict:
Malicious activity
Analysis date:
2025-04-08 12:21:36 UTC
Tags:
rat remcos remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
remcos virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature obfuscated obfuscated packed packed packer_detected signed
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1659754 Sample: 6vUon8zap8.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 40 oyo.work.gd 2->40 42 geoplugin.net 2->42 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 11 other signatures 2->58 8 FpVEaRDbdA.exe 4 2->8         started        11 6vUon8zap8.exe 6 2->11         started        signatures3 process4 file5 60 Antivirus detection for dropped file 8->60 62 Multi AV Scanner detection for dropped file 8->62 64 Contains functionalty to change the wallpaper 8->64 70 4 other signatures 8->70 14 schtasks.exe 1 8->14         started        16 FpVEaRDbdA.exe 8->16         started        34 C:\Users\user\AppData\...\FpVEaRDbdA.exe, PE32 11->34 dropped 36 C:\Users\...\FpVEaRDbdA.exe:Zone.Identifier, ASCII 11->36 dropped 38 C:\Users\user\AppData\Local\...\tmp867E.tmp, XML 11->38 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 11->66 68 Adds a directory exclusion to Windows Defender 11->68 18 powershell.exe 23 11->18         started        21 6vUon8zap8.exe 2 15 11->21         started        24 schtasks.exe 1 11->24         started        signatures6 process7 dnsIp8 26 conhost.exe 14->26         started        48 Loading BitLocker PowerShell Module 18->48 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        44 oyo.work.gd 176.65.141.49, 2431, 49690 WEBTRAFFICDE Germany 21->44 46 geoplugin.net 178.237.33.50, 49691, 80 ATOM86-ASATOM86NL Netherlands 21->46 50 Installs a global keyboard hook 21->50 32 conhost.exe 24->32         started        signatures9 process10
Threat name:
Win32.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-03-25 09:15:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:icu discovery execution rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
oyo.work.gd:2431
Unpacked files
SH256 hash:
48075512d81806049d193cf798c12f30110cb03ccd0f18bc69e9aa1af69693f8
MD5 hash:
12d875c199f1684fd8ad2bc27c81f24a
SHA1 hash:
871358f90432aafdb466d9bc82d5b464f109259f
SH256 hash:
479b2b88236dc456b9c9dfcff8ee9e70c80d12c0f7b02b3090a9fe55f772b689
MD5 hash:
e3f6e491829c48e1ba0709f786109cef
SHA1 hash:
3e300dbb2a18a38cfcfdcdc2a71b47fada2b73a2
SH256 hash:
9c0610cbdcf210a6828908426acb7193c3ae9cf49c7bd7471e04522cd028b816
MD5 hash:
4fa62c2bacddb3f11b051afdbe8a41b9
SHA1 hash:
e5afa83cbacf401952a410f6a98d48d49cea31f6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
31918e8fda9c8ab5a65d4c3fa1285410edeffc50d0a624d98ea7baced0cd0d97
MD5 hash:
25e83008c6d89c541def321fbffb2586
SHA1 hash:
fb88c2c5f9c1ce78224d18b410b7f3596e6c3545
Detections:
win_remcos_w0 win_remcos_auto Remcos malware_windows_remcos_rat win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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