MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa
SHA3-384 hash: d0da14519b45d80a94e63f0dc7091574434487599b2923632fe58f0d69d4ba7aec181cf81c7df2e475fa1eaf38bd878e
SHA1 hash: 3023e95579019dffc86596db8e5fc27b2f574b65
MD5 hash: 6a059d39861fe040d2ec45e74daacf34
humanhash: five-beryllium-video-sweet
File name:Public Holiday_Notice 2024.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'444'864 bytes
First seen:2024-08-30 11:23:00 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:sqDEvCTbMWu7rQYlBQcBiT6rprG8a74RgPQ9QjPAZZJXjIc:sTvC/MTQYxsWR7a74RgPQ9QjeZJ
TLSH T1A965D00273C1D062FFAB92734B5AF6115BBC6A260123E61F13981D79BE701B1563E7A3
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)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
638
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Public Holiday_Notice 2024.exe
Verdict:
No threats detected
Analysis date:
2024-08-30 11:25:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2ec5c974-1596-43b1-9c40-b0374b8fb4e3

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:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d1ab9a8225045da9a6a112
Tags:
Stealth Autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
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/66d1ab9df2069f76774c817d/reports/9037e5da-3e37-4c5f-bb74-5a274d70ff82/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa
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/061379ad-1812-428f-9926-539b6a89e26d
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/1501788
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
Found API chain indicative of sandbox detection
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
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 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)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
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: 1501788 Sample: Public Holiday_Notice 2024.exe Startdate: 30/08/2024 Architecture: WINDOWS Score: 100 27 56.126.166.20.in-addr.arpa 2->27 37 Suricata IDS alerts for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 12 other signatures 2->43 9 Public Holiday_Notice 2024.exe 4 2->9         started        signatures3 process4 signatures5 45 Binary is likely a compiled AutoIt script file 9->45 47 Writes to foreign memory regions 9->47 49 Maps a DLL or memory area into another process 9->49 12 svchost.exe 3 9->12         started        process6 dnsIp7 29 194.169.175.190, 2404, 49730, 49731 CLOUDCOMPUTINGDE Germany 12->29 51 System process connects to network (likely due to code injection or exploit) 12->51 53 Contains functionality to bypass UAC (CMSTPLUA) 12->53 55 Detected Remcos RAT 12->55 57 8 other signatures 12->57 16 svchost.exe 1 12->16         started        19 svchost.exe 1 12->19         started        21 svchost.exe 2 12->21         started        23 4 other processes 12->23 signatures8 process9 signatures10 31 Tries to steal Instant Messenger accounts or passwords 16->31 33 Tries to steal Mail credentials (via file / registry access) 16->33 35 Tries to harvest and steal browser information (history, passwords, etc) 19->35 25 conhost.exe 23->25         started        process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-08-30 11:24:08 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=sk7e4yh7zc6m4tjueq6ryxwa64giawkqjvsgmjem524nbxpadl5a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery rat stealer
Link:
https://tria.ge/reports/240830-ng5lnasglj/
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
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
194.169.175.190:2404
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/652adc3e-da4e-4ed9-b2a4-da5794651747
Unpacked files
SH256 hash:
16da2306e37c4a85a217cbe52b0a65175c1868e3a29822e4e25ff78f85768288
MD5 hash:
81596543df6c19892da2284507ed0014
SHA1 hash:
649d3308a7611d87cbc0e30e7f95004c1a4eb181
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/e29e6180-5fb9-4a42-96e9-839bb60ab9c2/
Parent samples :
575c516d8a79420f7319c19839c63919b585947635fa54e87430e1c9f95e299d
c2cf1032ae671d0bcba6d625bc72236b125f864a1bb6114c6b96a8e0c91c6759
391ac1ceedd3c960f32890f834a86ba1570ee5a0cc12dcef1714d43bb29fc457
ccd6b2a6a94558d78d46955365f3dde6562301f7e3be7c7821521e8ae1cb2f10
60e88a5e93683dcbea9f4fef73f946335a1378f0130ff44fab52f18f487c2c8a
2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9
92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa
SH256 hash:
92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa
MD5 hash:
6a059d39861fe040d2ec45e74daacf34
SHA1 hash:
3023e95579019dffc86596db8e5fc27b2f574b65
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/e29e6180-5fb9-4a42-96e9-839bb60ab9c2/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/92be4e60ffc8/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/92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa

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.

Malspam

RemcosRAT

Executable exe 92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa

(this sample)

  
Delivery method
Distributed via e-mail attachment

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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