MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53e050000913565123e12dd55564f60472ec53dd4c3273f6ce341406b2577094. 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 1 YARA 19 File information Comments

SHA256 hash: 53e050000913565123e12dd55564f60472ec53dd4c3273f6ce341406b2577094
SHA3-384 hash: 537f62c5775a16be2c949bc5ebf9464264ed9c93c534281c32cc81ed3bf88e236834f385e3fa7dd64dc1d378303b51ca
SHA1 hash: 2c69953ce963ed82f8d25ee0c79feef8e3470e5f
MD5 hash: 0ad1f0d69a8899a6d6cb373e9f64cf47
humanhash: zebra-wolfram-venus-utah
File name:SOA.pdf.exe
Download: download sample
Signature RemcosRAT
File size:1'322'496 bytes
First seen:2025-05-07 21:52:17 UTC
Last seen:2025-05-08 11:40:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Etb20pkaCqT5TBWgNQ7a7bWSBxVgpuMtN9nN79YJdnYRYw0l9wCCU6A:tVg5tQ7a7bZPSPRNyHqYw8wQ5
TLSH T1D855D02273DDC361C7B25273BA267711AEBB7C2506B1F56B2FD4093DE820122521EA73
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter James_inthe_box
Tags:exe RemcosRAT

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
23.146.242.237:5817 https://threatfox.abuse.ch/ioc/1518026/

Intelligence


File Origin
# of uploads :
5
# of downloads :
493
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-05-07 21:55:27 UTC
Tags:
auto-startup

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
underscore autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script evasive fingerprint keylogger lolbin masquerade microsoft_visual_cc packed packed packer_detected reg wuauclt
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Drops VBS files to the startup folder
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: Suspicious Double Extension File Execution
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1683726 Sample: SOA.pdf.exe Startdate: 08/05/2025 Architecture: WINDOWS Score: 100 49 pki-goog.l.google.com 2->49 51 geoplugin.net 2->51 53 c.pki.goog 2->53 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 15 other signatures 2->77 9 SOA.pdf.exe 4 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\...\molebut.exe, PE32 9->45 dropped 87 Binary is likely a compiled AutoIt script file 9->87 15 molebut.exe 2 9->15         started        89 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->89 19 molebut.exe 1 13->19         started        signatures6 process7 file8 47 C:\Users\user\AppData\Roaming\...\molebut.vbs, data 15->47 dropped 59 Multi AV Scanner detection for dropped file 15->59 61 Binary is likely a compiled AutoIt script file 15->61 63 Drops VBS files to the startup folder 15->63 65 Switches to a custom stack to bypass stack traces 15->65 21 svchost.exe 4 18 15->21         started        67 Writes to foreign memory regions 19->67 69 Maps a DLL or memory area into another process 19->69 26 svchost.exe 19->26         started        signatures9 process10 dnsIp11 55 23.146.242.237, 49692, 49693, 5817 VDI-NETWORKUS Reserved 21->55 57 geoplugin.net 178.237.33.50, 49694, 80 ATOM86-ASATOM86NL Netherlands 21->57 37 C:\Users\user\AppData\Local\Temp\TH6597.tmp, MS-DOS 21->37 dropped 39 C:\Users\user\AppData\Local\Temp\TH6363.tmp, MS-DOS 21->39 dropped 41 C:\Users\user\AppData\Local\Temp\TH1542.tmp, PE32 21->41 dropped 43 C:\ProgramData\remcos\logs.dat, data 21->43 dropped 79 System process connects to network (likely due to code injection or exploit) 21->79 81 Detected Remcos RAT 21->81 83 Found hidden mapped module (file has been removed from disk) 21->83 85 2 other signatures 21->85 28 svchost.exe 1 21->28         started        31 svchost.exe 2 21->31         started        33 WerFault.exe 20 16 21->33         started        35 WerFault.exe 4 16 21->35         started        file12 signatures13 process14 signatures15 91 Tries to steal Instant Messenger accounts or passwords 28->91 93 Tries to steal Mail credentials (via file / registry access) 28->93 95 Tries to harvest and steal browser information (history, passwords, etc) 31->95
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-05-07 17:32:59 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
autoit unc_loader_036 remcos
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
UAC bypass
Malware Config
C2 Extraction:
23.146.242.237:5817
Verdict:
Suspicious
Tags:
remcos
YARA:
n/a
Unpacked files
SH256 hash:
53e050000913565123e12dd55564f60472ec53dd4c3273f6ce341406b2577094
MD5 hash:
0ad1f0d69a8899a6d6cb373e9f64cf47
SHA1 hash:
2c69953ce963ed82f8d25ee0c79feef8e3470e5f
SH256 hash:
1ff938409377c30f3720c47c6163458e3c629176145d63b650a319d37959e600
MD5 hash:
ae25aaeaf98dcf121a1d65d08fa59c8a
SHA1 hash:
bec257fea3ccbb9d27d9cc7629b0b17d9e67aeaf
Detections:
win_remcos_w0 win_remcos_auto Remcos malware_windows_remcos_rat win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Malware family:
WebBrowserPassView
Verdict:
Malicious
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
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:YahLover
Author:Kevin Falcoz
Description:YahLover
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.

Malspam

RemcosRAT

Executable exe 53e050000913565123e12dd55564f60472ec53dd4c3273f6ce341406b2577094

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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