MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81ef49f096ce2f6c458daaa54e9d5b23643a594327fa0c2bfc85b55eb01c00f2. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81ef49f096ce2f6c458daaa54e9d5b23643a594327fa0c2bfc85b55eb01c00f2
SHA3-384 hash: a24a85b446fe4b08d8e067961e0a0c3918c8a3651ff77a7dc91c647ebed1793c854664cc8bb1421ee09e0b067a30fcb2
SHA1 hash: 918c6f37e7614bf766aa8b2d283b3063a2e120bb
MD5 hash: bea6a240b75b75fca5ca494a9e94bd28
humanhash: social-juliet-sad-social
File name:bea6a240b75b75fca5ca494a9e94bd28.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:7'501'487 bytes
First seen:2025-01-09 06:34:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f052f84efefe84f64ac7fab273eb8464 (9 x LummaStealer, 2 x Stealc, 2 x RemcosRAT)
ssdeep 196608:0xBE3yoXaY17w7D+ODM3OVAvULnItSx0USapM7oxBY:4r/Y9wD+ODdoULItsq
Threatray 7 similar samples on MalwareBazaar
TLSH T19076D0137690803EE5AA02714C5FAF6491A97D739A318157F6D0FF1D2DF0982B623B2B
TrID 69.0% (.AX) DirectShow filter (201555/2/20)
19.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.6% (.EXE) Win64 Executable (generic) (10522/11/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 5b3931b29cd1631d (9 x LummaStealer, 3 x RemcosRAT, 2 x RedLineStealer)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
451
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bea6a240b75b75fca5ca494a9e94bd28.exe
Verdict:
No threats detected
Analysis date:
2025-01-09 06:36:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0270f795-5d18-4854-9999-adaa6189c11b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.21934.31605.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677f6ed1ffdcee13ec884bdc
Tags:
dropper remcos virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Moving a file to the %temp% subdirectory
Creating a process from a recently created file
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Creating a file
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Setting a keyboard event handler
Connection attempt
Enabling the 'hidden' option for recently created files
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context explorer fingerprint lolbin microsoft_visual_cc msiexec overlay packed packer_detected remote runonce
Link:
https://www.filescan.io/uploads/677f6e187c82669ab11f64df/reports/684277d2-244f-4607-a800-b8cfcc69ec1b/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/81ef49f096ce2f6c458daaa54e9d5b23643a594327fa0c2bfc85b55eb01c00f2
Malware family:
Remote Utilities LLC
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/90b8f9d4-cf69-49db-94ab-f06ff843c3ba
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1586458
Signature
AI detected suspicious sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Delayed program exit found
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
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
PE file has a writeable .text section
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1586458 Sample: rQpY2mE8dZ.exe Startdate: 09/01/2025 Architecture: WINDOWS Score: 100 86 Suricata IDS alerts for network traffic 2->86 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 9 other signatures 2->92 11 rQpY2mE8dZ.exe 29 2->11         started        14 IUService.exe 1 2->14         started        process3 file4 76 C:\Users\user\AppData\...\rQpY2mE8dZ.exe, PE32 11->76 dropped 78 C:\Users\user\AppData\Local\...\setup.exe, PE32 11->78 dropped 80 C:\Users\user\...\rQpY2mE8dZ.exe (copy), PE32 11->80 dropped 82 C:\Users\user\AppData\Local\...\ISSetup.dll, PE32 11->82 dropped 17 rQpY2mE8dZ.exe 60 11->17         started        126 Maps a DLL or memory area into another process 14->126 128 Found direct / indirect Syscall (likely to bypass EDR) 14->128 20 cmd.exe 14->20         started        signatures5 process6 file7 52 C:\Users\user\AppData\Local\...\ISSetup.dll, PE32 17->52 dropped 54 C:\Users\user\AppData\Local\...\vclE6D7.tmp, PE32 17->54 dropped 56 C:\Users\user\AppData\...\vcl120.bpl (copy), PE32 17->56 dropped 60 20 other malicious files 17->60 dropped 23 IUService.exe 9 17->23         started        27 ISBEW64.exe 17->27         started        29 ISBEW64.exe 17->29         started        36 4 other processes 17->36 58 C:\Users\user\AppData\Local\Temp\njxntf, PE32 20->58 dropped 94 Writes to foreign memory regions 20->94 96 Maps a DLL or memory area into another process 20->96 31 clientDriver.exe 3 2 20->31         started        34 conhost.exe 20->34         started        signatures8 process9 dnsIp10 62 C:\ProgramData\Djo_Sign\vcl120.bpl, PE32 23->62 dropped 64 C:\ProgramData\Djo_Sign\rtl120.bpl, PE32 23->64 dropped 66 C:\ProgramData\Djo_Sign\madexcept_.bpl, PE32 23->66 dropped 70 3 other malicious files 23->70 dropped 104 Switches to a custom stack to bypass stack traces 23->104 38 IUService.exe 1 23->38         started        84 5.252.153.10, 4447, 49741, 49744 WORLDSTREAMNL Russian Federation 31->84 68 C:\Users\user\Logs\logs.dat, data 31->68 dropped 106 Installs a global keyboard hook 31->106 108 Found direct / indirect Syscall (likely to bypass EDR) 31->108 file11 signatures12 process13 signatures14 98 Maps a DLL or memory area into another process 38->98 100 Switches to a custom stack to bypass stack traces 38->100 102 Found direct / indirect Syscall (likely to bypass EDR) 38->102 41 cmd.exe 3 38->41         started        process15 file16 72 C:\Users\user\AppData\...\qhrsedpybvjxkh, PE32 41->72 dropped 74 C:\Users\user\AppData\...\clientDriver.exe, PE32 41->74 dropped 110 Writes to foreign memory regions 41->110 112 Found hidden mapped module (file has been removed from disk) 41->112 114 Maps a DLL or memory area into another process 41->114 116 Switches to a custom stack to bypass stack traces 41->116 45 clientDriver.exe 41->45         started        48 conhost.exe 41->48         started        signatures17 process18 signatures19 118 Contains functionalty to change the wallpaper 45->118 120 Contains functionality to register a low level keyboard hook 45->120 122 Switches to a custom stack to bypass stack traces 45->122 124 Delayed program exit found 45->124 50 WerFault.exe 21 16 45->50         started        process20
Score:
4%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/81ef49f096ce2f6c458daaa54e9d5b23643a594327fa0c2bfc85b55eb01c00f2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81ef49f096ce2f6c458daaa54e9d5b23643a594327fa0c2bfc85b55eb01c00f2/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2025-01-07 18:09:00 UTC
File Type:
PE (Exe)
Extracted files:
301
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhxut4ewzyxwyrmnvksu5hk3ensduwkde75ayk74qw2v5ma4adza._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
12df5f413434f02531f88b0727b96ae8d4ed3c278fc81583dbfd4c0145b43e74
RemcosRAT
33c553e2789dc0ec2c092586db6dea65d0d6a7a8c844ab4790774d88e8de7aa6
RemcosRAT
4c5ca5701285337a96298ebf994f8ba013d290c63afa65b5c2b05771fbbb9ed4
RemcosRAT
51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d
RemcosRAT
81ef49f096ce2f6c458daaa54e9d5b23643a594327fa0c2bfc85b55eb01c00f2
RemcosRAT
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:sys32 discovery rat
Link:
https://tria.ge/reports/250109-hcbvwstrcp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
5.252.153.10:4447
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/315435c7-b977-426e-99c0-f01977feb676
Unpacked files
SH256 hash:
71f9bee6f8afb1ce55524d8139309678b54e99130d140425c1164c69e033dc22
MD5 hash:
243dbd5661175884fe105e1344a3c9f0
SHA1 hash:
b5c8c3a1838935098b4d2b8947740a75c26bc4fd
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
a01709a3c9d5eaacc6ca6ca47ef2e4e4e00d883289621c5bfff96620bfd93d8c
MD5 hash:
a89bf69cd0836e08a79d5c216ae776ed
SHA1 hash:
7d7ff6143a729726f200b2201c4a0e7358d2274b
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
4b504e3d8501c3dc40fdb22982ac72f56ab3a4473b8a38fc06160f26e46fce1a
MD5 hash:
3207b24a61e158c4bca95cb7ac0269ec
SHA1 hash:
d52238a8806276869f3b51b69dcf1ff87d7d8e73
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
8a35e367787d97777d32aa58998d47f9d1615e12ecd56df78ba60b72c6684603
MD5 hash:
c4e50fcb9e371e4361617e0d17bbdb8e
SHA1 hash:
a066793d07755446681bcdc67e4fc3f22c941913
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
d5e02d4ceb9973dc3bcb89acb08c1c09c5bc6146014e999ccc3ebac42eac591b
MD5 hash:
d3fc9a05488361ebf8010446111ab5a9
SHA1 hash:
626e18820985a0a62bc31ca91bdfee8721fefc13
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
4fba0bd3ebae7648628ad1006f6cfcaed879392dd8c389c92c0c915679b0fa47
MD5 hash:
1a33e21a429700f398fa92c87808455f
SHA1 hash:
4fbefa3264021d91a3927f98f9c43c93c74891e9
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
3ead8e1eb0a2bc48f9872858516778d5f83d1dad2f8d6511e10a72e1e792af13
MD5 hash:
17b2b79e42173cf8531aa423d2e5a2ae
SHA1 hash:
27f6b0b3a92282788908bd1be111224958e9ed60
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
165f7090b889a1212a0ac48aed66550eb5c4a1dd0c61461e54332547983d2835
MD5 hash:
81caf0867c68ddc02c1b7f0bdc3ca38a
SHA1 hash:
163ec84a12595acaa9de0fd52781e99fa42e480e
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
SH256 hash:
81ef49f096ce2f6c458daaa54e9d5b23643a594327fa0c2bfc85b55eb01c00f2
MD5 hash:
bea6a240b75b75fca5ca494a9e94bd28
SHA1 hash:
918c6f37e7614bf766aa8b2d283b3063a2e120bb
Link:
https://www.unpac.me/results/f009f80b-e522-4d02-9c35-27e2b341540b/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81ef49f096ce/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/81ef49f096ce2f6c458daaa54e9d5b23643a594327fa0c2bfc85b55eb01c00f2

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::SetEntriesInAclW
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdipDeleteGraphics
gdiplus.dll::GdipAlloc
gdiplus.dll::GdipCreateFromHDC
RPC_APICan Execute Remote ProceduresRPCRT4.dll::RpcStringFreeW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::SetSecurityDescriptorDacl
ADVAPI32.dll::SetSecurityDescriptorGroup
ADVAPI32.dll::SetSecurityDescriptorOwner
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegOpenKeyW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::FindWindowExW
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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