MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9. 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: | a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9 |
|---|---|
| SHA3-384 hash: | 2bbb7f67f3e4267b3c5d1b41372277c8ff33fc9f5334baa42890c7e281cf7e802fe6f534df8b25c2d3d1d16cdcb1d58e |
| SHA1 hash: | ac5f9d4006d7a3aec5d20cb92d138be466a2d880 |
| MD5 hash: | 4e88c1858bf4ed7bc7549fba8c045e75 |
| humanhash: | orange-earth-virginia-music |
| File name: | a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9 |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'396'224 bytes |
| First seen: | 2024-12-12 16:03:11 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f25ab2b89cf57e9099f9e15a113c344d (1 x RemcosRAT, 1 x LummaStealer) |
| ssdeep | 24576:gWfbDrWZvkWoI8VtdIhvIqYF7YTVW8xqRiLmfUuyHXGxtLrsX8Nk3lS8J3zdQSXy:/j0vkWohtSVYF7YJJkiyfgqrsX8Nk3lE |
| TLSH | T146559F00BED680DEC9926075E921D3E0695ABEF24A7350167FB07F1E7B60A43572BF06 |
| TrID | 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 12.5% (.EXE) Win64 Executable (generic) (10522/11/4) 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): |  |
| dhash icon | a6a7aaaacadab2a0 (1 x RemcosRAT, 1 x LummaStealer) |
| Reporter |  JAMESWT_WT |
| Tags: | exe formationslistcomplet2-sexidude-com RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
401
Origin country :
ITVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9
Verdict:
Malicious activity
Analysis date:
2024-12-04 21:07:34 UTC
Tags:
rat remcos evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
crypted extens remo
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Setting a keyboard event handler
Connection attempt to an infection source
Creating a file
Query of malicious DNS domain
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context explorer fingerprint hook keylogger keylogger lolbin microsoft_visual_cc packed packed packer_detected
Verdict:
Malicious
Labled as:
Conjar.Generic
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.
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
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 unpacking (creates a PE file in dynamic memory)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
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.Trojan.Remcos
Status:
Malicious
First seen:
2024-12-04 21:12:35 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:sol2 discovery rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Remcos
Remcos family
Malware Config
C2 Extraction:
formationslistcomplet2.sexidude.com:30201
Verdict:
Suspicious
Tags:
Remcos
YARA:
n/a
Unpacked files
SH256 hash:
501cb32691e6eed2754830f18b19042aa2ecfdce55a202a06e37e18a0c49e3b2
MD5 hash:
6778f9ddba8efe113dd5c88077d85f3b
SHA1 hash:
987973fcc84fd276f82d67dc50cb30af1313d174
Detections:
Remcos
win_remcos_auto
win_remcos_w0
malware_windows_remcos_rat
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
win_remcos_rat_unpacked
SH256 hash:
a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9
MD5 hash:
4e88c1858bf4ed7bc7549fba8c045e75
SHA1 hash:
ac5f9d4006d7a3aec5d20cb92d138be466a2d880
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
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: | Check_OutputDebugStringA_iat |
|---|
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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 |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| COM_BASE_API | Can Download & Execute components | ole32.dll::CoCreateInstance |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW |
| WIN32_PROCESS_API | Can Create Process and Threads | WININET.dll::InternetCloseHandle KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetVolumeInformationW KERNEL32.dll::GetStartupInfoW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WinExec KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateFileMappingW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW SHLWAPI.dll::PathRemoveFileSpecW |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegQueryValueW ADVAPI32.dll::RegSetValueExW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::PeekMessageW USER32.dll::CreateWindowExW |
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