MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877. 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 5 File information Comments
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SHA256 hash: d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877
SHA3-384 hash: 4c11ff6787c76f9032ee815ea4367d8c35e6bd46c1a9965910edc0b66b560b095027fdc91e0cfc582d4d0c16bfce4626
SHA1 hash: 6f8ec411858b7410a22401f6c9d6a2a5c45aaa9b
MD5 hash: 5f38edf8c588efd365f6c82c92d5f0f6
humanhash: single-neptune-delta-lamp
File name:d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'351'680 bytes
First seen:2025-01-10 14:50:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:Cu6J33O0c+JY5UZ+XC0kGso6FapubMGC8db/ZOid2MNTosdIIDnWY:ku0c++OCvkGs9FapCX0yTnyY
TLSH T10855DF2273DDC360CB669173BF29B7056EBF7C610630B85B2F980D7DA950162262D7A3
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10522/11/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
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 :
321
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877.exe
Verdict:
No threats detected
Analysis date:
2025-01-10 14:59:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1b8ae37e-1a22-4ea9-a3be-096361be7762

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678133d22c8240e189bb95c5
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
Launching a process
Сreating synchronization primitives
Connection attempt to an infection source
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 anti-debug autoit compiled-script evasive fingerprint hacktool keylogger lolbin microsoft_visual_cc packed packed packer_detected reg remcos schtasks
Link:
https://www.filescan.io/uploads/678133a972a72c6ee1c0205b/reports/f5d6f390-39f1-451f-9864-c2af4cdc7bef/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/381d1f08-cc64-431c-9c7f-79ed428e51c0
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1587959
Signature
AI detected suspicious sample
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for 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
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1587959 Sample: MLxloAVuCZ.exe Startdate: 10/01/2025 Architecture: WINDOWS Score: 100 36 171.39.242.20.in-addr.arpa 2->36 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 9 MLxloAVuCZ.exe 4 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\derogates.exe, PE32 9->30 dropped 74 Binary is likely a compiled AutoIt script file 9->74 76 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->76 15 derogates.exe 2 9->15         started        78 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->78 19 derogates.exe 1 13->19         started        signatures6 process7 file8 34 C:\Users\user\AppData\...\derogates.vbs, data 15->34 dropped 40 Multi AV Scanner detection for dropped file 15->40 42 Binary is likely a compiled AutoIt script file 15->42 44 Machine Learning detection for dropped file 15->44 52 2 other signatures 15->52 21 svchost.exe 2 15->21         started        46 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 19->46 48 Writes to foreign memory regions 19->48 50 Maps a DLL or memory area into another process 19->50 24 svchost.exe 2 2 19->24         started        signatures9 process10 dnsIp11 62 Contains functionality to bypass UAC (CMSTPLUA) 21->62 64 Detected Remcos RAT 21->64 66 Contains functionalty to change the wallpaper 21->66 72 7 other signatures 21->72 28 iexplore.exe 21->28         started        38 192.3.64.152, 2559, 49705, 49799 AS-COLOCROSSINGUS United States 24->38 32 C:\ProgramData\remcos\logs.dat, data 24->32 dropped 68 System process connects to network (likely due to code injection or exploit) 24->68 70 Installs a global keyboard hook 24->70 file12 signatures13 process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-12-16 07:00:41 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2untmjirk2anyplob5mid6iu6a3tuj36f3zoyvwirq7ulxuzpb3q._file
Verdict:
malicious
Label(s):
remcos
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unknown_loader_036
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Link:
https://tria.ge/reports/250110-r7pjxazmbr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
192.3.64.152:2559
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/74722710-e93d-44c1-abb8-91b0ae14fc72
Unpacked files
SH256 hash:
9db5fbdb5ec948c60e0ef1eae4cc58b9d55bbaed70489d5331bbdbda19d8035b
MD5 hash:
48ee97a14614113c194512c933e5f667
SHA1 hash:
2a0100e02126f11b17f73f949d7bee1608848398
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
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/8a71118c-36ed-4e01-bbe7-29486dcf4b2a/
Parent samples :
123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c
04e6dda7961928fadeecd13e02b9195d31a5e3a9925d4de51072089bc7a1b452
f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024
07b27d0e65f751737e5d9bee0b78b5a56933264014b5171ae03f3c2c3b51ae0e
caca9062bbedb4519f51493d026a344f885ac593b7224d40458ff07f8ecee4ba
12f38b57f20acea350ed883756309c9516c6b5b814ebedcb19dcb5ba798579e1
d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877
SH256 hash:
d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877
MD5 hash:
5f38edf8c588efd365f6c82c92d5f0f6
SHA1 hash:
6f8ec411858b7410a22401f6c9d6a2a5c45aaa9b
Link:
https://www.unpac.me/results/8a71118c-36ed-4e01-bbe7-29486dcf4b2a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d51b36251156/report/overview.html
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
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:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
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)

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
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::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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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