MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890
SHA3-384 hash: 69e8d0a3cfdc0c992f528e902e26e3a930f1efcc94f654a0af0e85d4183027c4fb42988cdbc39a04076d1f4dc75407a2
SHA1 hash: 56f40b2d1c24973dfc2797041b415adb889498b9
MD5 hash: bf038a5d89d10a8c54f9173ae6f1218d
humanhash: juliet-angel-neptune-batman
File name:bf038a5d89d10a8c54f9173ae6f1218d.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'379'328 bytes
First seen:2024-08-20 09:03:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:VqDEvCTbMWu7rQYlBQcBiT6rprG8agY86JDHZpZxXNGf8PA9kZKbv:VTvC/MTQYxsWR7agIJrZpfdGfsO
Threatray 2'850 similar samples on MalwareBazaar
TLSH T1F255D0027381D022FFAB96334F5AF6515ABC69260123E61F13A81DB9FD701B1563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
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 :
1
# of downloads :
381
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
netwrking.hta
Verdict:
Malicious activity
Analysis date:
2024-08-19 13:37:21 UTC
Tags:
opendir susp-powershell loader rat remcos remote evasion keylogger
Link:
https://app.any.run/tasks/a9ab3a3f-9954-4b4c-8019-1e74733d1087

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c45c03b2a4681a72965c03
Tags:
Generic Stealth Trojan Shellcodecrypter
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66c45c02ee5a3692149cfe38/reports/3b716296-2385-4ffa-99a7-a4f74eb81cce/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890
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/c1bf7c62-427d-4a2c-b5d0-4dee3808a904
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1495516
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Drops PE files with benign system names
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Suspicious Process Parents
Sigma detected: System File Execution Location Anomaly
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: 1495516 Sample: I3fAXvM3LE.exe Startdate: 20/08/2024 Architecture: WINDOWS Score: 100 67 Multi AV Scanner detection for domain / URL 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 13 other signatures 2->73 14 I3fAXvM3LE.exe 6 2->14         started        18 wscript.exe 1 2->18         started        process3 file4 65 C:\Users\user\AppData\Local\...\csrss.exe, PE32 14->65 dropped 97 Binary is likely a compiled AutoIt script file 14->97 99 Found API chain indicative of sandbox detection 14->99 101 Drops PE files with benign system names 14->101 20 csrss.exe 3 14->20         started        103 Windows Scripting host queries suspicious COM object (likely to drop second stage) 18->103 24 csrss.exe 2 18->24         started        signatures5 process6 file7 63 C:\Users\user\AppData\Roaming\...\csrss.vbs, data 20->63 dropped 79 Multi AV Scanner detection for dropped file 20->79 81 Binary is likely a compiled AutoIt script file 20->81 83 Drops VBS files to the startup folder 20->83 85 Found API chain indicative of sandbox detection 20->85 26 csrss.exe 2 20->26         started        29 csrss.exe 2 24->29         started        signatures8 process9 signatures10 91 Binary is likely a compiled AutoIt script file 26->91 31 csrss.exe 2 26->31         started        34 csrss.exe 2 29->34         started        process11 signatures12 105 Binary is likely a compiled AutoIt script file 31->105 36 csrss.exe 2 31->36         started        39 csrss.exe 34->39         started        process13 signatures14 75 Binary is likely a compiled AutoIt script file 36->75 41 csrss.exe 2 36->41         started        44 csrss.exe 39->44         started        process15 signatures16 89 Binary is likely a compiled AutoIt script file 41->89 46 csrss.exe 2 41->46         started        49 WerFault.exe 44->49         started        process17 file18 95 Binary is likely a compiled AutoIt script file 46->95 52 csrss.exe 2 46->52         started        61 C:\ProgramData\Microsoft\...\Report.wer, Unicode 49->61 dropped signatures19 process20 signatures21 77 Binary is likely a compiled AutoIt script file 52->77 55 csrss.exe 2 52->55         started        process22 signatures23 87 Binary is likely a compiled AutoIt script file 55->87 58 csrss.exe 2 55->58         started        process24 signatures25 93 Binary is likely a compiled AutoIt script file 58->93
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-08-19 15:13:27 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=77h6njqdftoo6r4qv7rvnwbjhe3jwxsjxjzhdgz6leve3z75tcia._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
248653074d88fac18a59e758a14fac1c0dcb8af24f32b17a43a15222cf93576e
RemcosRAT
50eca9149b4ca5e7ae52720cf8827515a1be68e3d8df8606ad5a49ce0cce4b7f
RemcosRAT
6610fa5fa05c6918011ca2ea766eb3062869086dc66713e1d259ac7c4efc4550
RemcosRAT
867b98b3220ca96c65920c77d29a58e7ad4d3446db14ec334027c0400577e9f4
RemcosRAT
eb183cf5d6e217532b203ab9f336e266537828eed01c53158da95d609f4ebea6
RemcosRAT
ff0c2713415e355426261381aa3f3dcad5a913871e5bb6c1c48d5edea210fcfd
RemcosRAT
+ 2'840 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:gasplant discovery rat
Link:
https://tria.ge/reports/240820-k1k5ksxdnp/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
whitelend-ind.com:30901
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d70c6b6f-1fb2-4bac-b54f-a6bd4fae1cba
Unpacked files
SH256 hash:
ee7a9c31140015d7a6aedf8068c3e0b8eae9641dd29d35803d27e30439e76586
MD5 hash:
8de6a2e4e4f5d5bc9637293af58ca3a2
SHA1 hash:
190b078e7cbc6b92ca8745d4ebd24760eedc1f01
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/a42998bd-e7fc-491d-a81d-a236ddb987c5/
Parent samples :
ee7a9c31140015d7a6aedf8068c3e0b8eae9641dd29d35803d27e30439e76586
ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890
SH256 hash:
ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890
MD5 hash:
bf038a5d89d10a8c54f9173ae6f1218d
SHA1 hash:
56f40b2d1c24973dfc2797041b415adb889498b9
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/a42998bd-e7fc-491d-a81d-a236ddb987c5/
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/ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890

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:pe_detect_tls_callbacks
Create hunting rule

File information

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

Web download

RemcosRAT

Executable exe ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3115981/
  
Delivery method
Distributed via web download

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::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
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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