MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db08b99d45d1c9423b100c6c66b6284c44c7781869b0e5a46437056b658bd5d6. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db08b99d45d1c9423b100c6c66b6284c44c7781869b0e5a46437056b658bd5d6
SHA3-384 hash: dccf82ea2dfeda0fd3d5b8bb0086aed8f4d8df18d84103951a205a6309122c06a03c505ea873177e69cac36dea45da8a
SHA1 hash: b6d786ac7600e9bc47fb254117d8120ed71f83f9
MD5 hash: 5c7bf9d1bb01a054966317f2f2d7898f
humanhash: uranus-zulu-lithium-spaghetti
File name:HKU8765456780090.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'358'848 bytes
First seen:2025-04-30 07:54:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Ktb20pkaCqT5TBWgNQ7aRxNy7kiK8oe9NvMKytan6A:3Vg5tQ7aRekv8lHgtM5
TLSH T18C55D01273DEC361C7725273BA667701BEBB782506A1F96B2FD4093DE920122521FA73
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 adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
397
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
25042025_1039_HKU8765456780090.bat.zip
Verdict:
Malicious activity
Analysis date:
2025-04-25 10:48:28 UTC
Tags:
arch-exec rat remcos auto-startup stealer autoit mpress
Link:
https://app.any.run/tasks/7a719603-7b11-4671-9d73-048c41b87f8a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/5123/
Detection(s):
SecuriteInfo.com.AutoIt.Agent-AOQ.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6811dbcdc8b2e86d0ac50a75
Tags:
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
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger masquerade microsoft_visual_cc obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/6811d767218c4a98ade8e281/reports/d0537caa-8005-4611-979e-1b7945ebcc58/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/db08b99d45d1c9423b100c6c66b6284c44c7781869b0e5a46437056b658bd5d6
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e45e186e-e0cd-40a4-86ac-e6c6e701905c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1677911
Signature
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Drops VBS files to the startup folder
Found malware configuration
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: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1677911 Sample: HKU8765456780090.bat.exe Startdate: 30/04/2025 Architecture: WINDOWS Score: 100 38 geoplugin.net 2->38 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 10 other signatures 2->60 8 HKU8765456780090.bat.exe 4 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\emboweling.exe, PE32 8->32 dropped 72 Binary is likely a compiled AutoIt script file 8->72 14 emboweling.exe 4 17 8->14         started        74 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->74 19 emboweling.exe 1 12->19         started        signatures6 process7 dnsIp8 40 192.210.150.26, 49715, 49716, 8787 AS-COLOCROSSINGUS United States 14->40 42 geoplugin.net 178.237.33.50, 49717, 80 ATOM86-ASATOM86NL Netherlands 14->42 34 C:\Users\user\AppData\...\emboweling.vbs, data 14->34 dropped 36 C:\ProgramData\remcos\logs.dat, data 14->36 dropped 44 Multi AV Scanner detection for dropped file 14->44 46 Contains functionality to bypass UAC (CMSTPLUA) 14->46 48 Detected Remcos RAT 14->48 52 8 other signatures 14->52 21 emboweling.exe 1 14->21         started        24 emboweling.exe 1 14->24         started        26 emboweling.exe 2 14->26         started        30 3 other processes 14->30 50 Binary is likely a compiled AutoIt script file 19->50 28 emboweling.exe 1 19->28         started        file9 signatures10 process11 signatures12 62 Binary is likely a compiled AutoIt script file 21->62 64 Tries to steal Instant Messenger accounts or passwords 21->64 66 Tries to steal Mail credentials (via file / registry access) 21->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 70 Detected Remcos RAT 28->70
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/db08b99d45d1c9423b100c6c66b6284c44c7781869b0e5a46437056b658bd5d6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/db08b99d45d1c9423b100c6c66b6284c44c7781869b0e5a46437056b658bd5d6/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-04-25 04:15:24 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3melthkf2heueoyqbrwgnnrijrcmo6ayngyoljdeg4cwwzml2xla._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
unc_loader_036
Create hunting rule
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:newbin collection discovery rat spyware stealer
Link:
https://tria.ge/reports/250430-jr7rjsfr4t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Reads user/profile data of web browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
192.210.150.26:8787
Verdict:
Suspicious
Tags:
remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/1436cea3-3423-4ce5-8652-1e57d0cee2c3
Unpacked files
SH256 hash:
db08b99d45d1c9423b100c6c66b6284c44c7781869b0e5a46437056b658bd5d6
MD5 hash:
5c7bf9d1bb01a054966317f2f2d7898f
SHA1 hash:
b6d786ac7600e9bc47fb254117d8120ed71f83f9
Link:
https://www.unpac.me/results/042910e3-db62-4c57-8df4-bd7b6357c8bd/
SH256 hash:
408a0c190497e19608906edb790db9d5b11531f435eadc459493e83579cceedc
MD5 hash:
57824cc609be705b83705b766d3cfc28
SHA1 hash:
b0d2de17e37f1998a5e8e8ded989beff3eb43681
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/042910e3-db62-4c57-8df4-bd7b6357c8bd/
Parent samples :
db08b99d45d1c9423b100c6c66b6284c44c7781869b0e5a46437056b658bd5d6
27db184a2b6e1d0ca14fbf6fac2543eb551a0d0e383fd2ed251e53d66991b2a6
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/db08b99d45d1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/db08b99d45d1c9423b100c6c66b6284c44c7781869b0e5a46437056b658bd5d6

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
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Malspam

RemcosRAT

Executable exe db08b99d45d1c9423b100c6c66b6284c44c7781869b0e5a46437056b658bd5d6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/5123/

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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