MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bf0544c92b379c01615e44f645578572e2bdcc966c5125b1198e5d2c118f277e. 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: 19
| SHA256 hash: | bf0544c92b379c01615e44f645578572e2bdcc966c5125b1198e5d2c118f277e |
|---|---|
| SHA3-384 hash: | 0ad184829fb2b997dc4b7932f0deaf933f0e469ba79a0778b21c5b19e3380f5a1ce9f1e75211627ffc0d58b7b3da9903 |
| SHA1 hash: | 7494644e33239d3668728571dfda2d786c96a04e |
| MD5 hash: | c4fece311d6ad36ec3f85fcded890197 |
| humanhash: | queen-item-paris-carolina |
| File name: | DT RDU KDFT0089.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'318'400 bytes |
| First seen: | 2024-09-04 06:28:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT) |
| ssdeep | 24576:UAHnh+eWsN3skA4RV1Hom2KXMmHa7MnFfmMlwG07QFL+SEI5:jh+ZkldoPK8Ya7IFfmMc7QTP |
| TLSH | T16055CE0273D1C036FFAB92739B6AF64556BD79240133852F13982DB9BD701B2272E663 |
| 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) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla) |
| Reporter |  lowmal3 |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
539
Origin country :
DEVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
DT RDU KDFT0089.exe
Verdict:
Malicious activity
Analysis date:
2024-09-04 06:29:31 UTC
Tags:
remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
Discovery Network Stealth Inject
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
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
Verdict:
Malicious
Labled as:
AutoIt.RE.gen
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
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
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 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 malware configuration
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)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-09-04 03:26:54 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost discovery rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
154.216.18.216:2404
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b8376add1268837108d057ffc4848084fab650b70daf1d948e7fbc581d34817f
MD5 hash:
dac2497ed96b5d5dedee4a1ebb0db032
SHA1 hash:
59223b7b4490a4d0fe9f9f31b99a35339ff714c3
Detections:
Remcos
win_remcos_auto
win_remcos_w0
malware_windows_remcos_rat
SH256 hash:
bf0544c92b379c01615e44f645578572e2bdcc966c5125b1198e5d2c118f277e
MD5 hash:
c4fece311d6ad36ec3f85fcded890197
SHA1 hash:
7494644e33239d3668728571dfda2d786c96a04e
Detections:
AutoIT_Compiled
SUSP_Imphash_Mar23_3
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| 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 |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SUSP_Imphash_Mar23_3 |
|---|---|
| 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.
Malspam
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| AUTH_API | Manipulates User Authorization | ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce |
| COM_BASE_API | Can Download & Execute components | ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal |
| MULTIMEDIA_API | Can Play Multimedia | WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume |
| SECURITY_BASE_API | Uses Security Base API | ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW |
| WIN32_PROCESS_API | Can Create Process and Threads | ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW |
| WIN_BASE_USER_API | Retrieves Account Information | KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW |
| WIN_NETWORK_API | Supports Windows Networking | MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW |
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