MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87f8454181377efe56e3f98673de0c6e6edff941175230d3dbafa41a99d1ce48. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87f8454181377efe56e3f98673de0c6e6edff941175230d3dbafa41a99d1ce48
SHA3-384 hash: 4617e7d33f9ed1b09f8637d2a06eb18176260bd36a698fd895be11244faa3d87ddc2c559fe617c44da34ed05a967644b
SHA1 hash: 3b15f69b034677f7319dff97f19ade04ee190a12
MD5 hash: f9ec63f0a865406059d4269ccbea3e30
humanhash: fourteen-angel-pip-alpha
File name:Purchase_Order_SVP_WorldWide2938.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'408'000 bytes
First seen:2024-06-14 13:00:26 UTC
Last seen:2024-06-14 13:43:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:JAHnh+eWsN3skA4RV1Hom2KXMmHaRnGzAMNs9wJW2te6kegLQvfp4e5:Qh+ZkldoPK8YaRGJsJ2tWe3fpl
Threatray 1'616 similar samples on MalwareBazaar
TLSH T16E55CE0273D1C036FFAB92739B6AB64556BD78250123852F13982DB9BD701B2273E763
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
358
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
87f8454181377efe56e3f98673de0c6e6edff941175230d3dbafa41a99d1ce48.exe
Verdict:
Malicious activity
Analysis date:
2024-06-14 13:20:09 UTC
Tags:
rat remcos remote keylogger evasion
Link:
https://app.any.run/tasks/cb36d0c2-27fe-4784-a179-4becf8a8e6b8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.SuspectCrc.30602.4135.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666c4d589172918f990d9da2win7simulatehigh_evasion
Tags:
Inject
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
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin masquerade microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/666c3f136b8dba248b40ebf0/reports/272562db-35fd-4180-9959-a8483d5c9e41/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/87f8454181377efe56e3f98673de0c6e6edff941175230d3dbafa41a99d1ce48
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b2418379-370b-40f6-b41d-0928eb2ed1f6
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1457269
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1457269 Sample: Purchase_Order_SVP_WorldWid... Startdate: 14/06/2024 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 9 other signatures 2->74 14 Purchase_Order_SVP_WorldWide2938.exe 6 2->14         started        18 wscript.exe 1 2->18         started        process3 file4 66 C:\Users\user\AppData\Local\...\name.exe, PE32 14->66 dropped 96 Binary is likely a compiled AutoIt script file 14->96 20 name.exe 3 14->20         started        98 Windows Scripting host queries suspicious COM object (likely to drop second stage) 18->98 24 name.exe 18->24         started        signatures5 process6 file7 64 C:\Users\user\AppData\Roaming\...\name.vbs, data 20->64 dropped 80 Multi AV Scanner detection for dropped file 20->80 82 Binary is likely a compiled AutoIt script file 20->82 84 Drops VBS files to the startup folder 20->84 26 name.exe 2 20->26         started        29 name.exe 24->29         started        signatures8 process9 signatures10 90 Binary is likely a compiled AutoIt script file 26->90 31 name.exe 2 26->31         started        34 name.exe 29->34         started        process11 signatures12 100 Binary is likely a compiled AutoIt script file 31->100 36 name.exe 2 31->36         started        39 name.exe 34->39         started        process13 signatures14 78 Binary is likely a compiled AutoIt script file 36->78 41 name.exe 2 36->41         started        44 name.exe 39->44         started        process15 signatures16 88 Binary is likely a compiled AutoIt script file 41->88 46 name.exe 2 41->46         started        49 name.exe 44->49         started        process17 signatures18 94 Binary is likely a compiled AutoIt script file 46->94 51 name.exe 2 46->51         started        54 name.exe 49->54         started        process19 signatures20 76 Binary is likely a compiled AutoIt script file 51->76 56 name.exe 2 51->56         started        59 name.exe 54->59         started        process21 signatures22 86 Binary is likely a compiled AutoIt script file 56->86 61 name.exe 2 56->61         started        process23 signatures24 92 Binary is likely a compiled AutoIt script file 61->92
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87f8454181377efe56e3f98673de0c6e6edff941175230d3dbafa41a99d1ce48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87f8454181377efe56e3f98673de0c6e6edff941175230d3dbafa41a99d1ce48/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-06-14 13:01:08 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 38 (52.63%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q74ekqmbg57p4vxd7gdhhxqmnzxn76kbc5jdbu63v6sbvgorzzea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0e8dfb4c4b15bffe7df07f0a9240c2287e23c149b465991da96b73eff7b8f903
RemcosRAT
2b3fd8755b716f0d0fb5a027bbd20f904c5da3fe01d1f43ef4deb4f3c23b9b25
RemcosRAT
6f31f28d716f4d118974c5fd130a02fb742e20f164ea12b2f1e471f58fa5b817
RemcosRAT
75e017e742b2506cdda2a132759075c7b187ca941df606b34116d0452ef04fd0
RemcosRAT
87f8454181377efe56e3f98673de0c6e6edff941175230d3dbafa41a99d1ce48
RemcosRAT
88c300243b5102cdcf2685203b2469f384d12d0cbd66b49dd479d21b3ceab24d
RemcosRAT
b274b2b65f5ec3256ee9676fac8380af1c47457507e93d5b745156f29f386601
RemcosRAT
+ 1'606 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/240614-p9sm8s1hlf/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
AutoIT Executable
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
45.61.132.128:1952
Unpacked files
SH256 hash:
3f70890a1c4cce4a96d5bcb0d873f2c7cbbe81288b52199780d4591cd42e9675
MD5 hash:
a58683d878764c3def1bf3d445007f64
SHA1 hash:
73cd1c00346f91a9b2dbd000d76768f0c0f1c2c2
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/483f4546-7c89-4f05-9fa4-035f288f551d/
SH256 hash:
87f8454181377efe56e3f98673de0c6e6edff941175230d3dbafa41a99d1ce48
MD5 hash:
f9ec63f0a865406059d4269ccbea3e30
SHA1 hash:
3b15f69b034677f7319dff97f19ade04ee190a12
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/483f4546-7c89-4f05-9fa4-035f288f551d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87f845418137/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/87f8454181377efe56e3f98673de0c6e6edff941175230d3dbafa41a99d1ce48

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: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

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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