MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361. 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: 18
| SHA256 hash: | 43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361 |
|---|---|
| SHA3-384 hash: | 853f7bde7a3a5705501a21a27306de524f8c3e36583d18bc2a576c1b3811f4cbafd6bd56f0c5ee03d143eff9ee5afedb |
| SHA1 hash: | 4682536719f04dd68304c4561507a8b3222eebd5 |
| MD5 hash: | 4d6339eab1f1654594348e436412cd75 |
| humanhash: | ten-lima-double-burger |
| File name: | newsf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 2'146'304 bytes |
| First seen: | 2024-12-04 00:50:41 UTC |
| Last seen: | 2024-12-12 16:16:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1cf44af83fe193f1a81251d93a25cfae (1 x RemcosRAT) |
| ssdeep | 49152:G8yeqzXA3KknaWR78tSrBz4UCRWw4zVsvXB5HhMRAovIv2SSOS2inrf3/3u4MrzJ:o5HhMRAovPO9inrXeI3sl+ |
| Threatray | 103 similar samples on MalwareBazaar |
| TLSH | T116A5BF61BB9149AEE6A46F344DD683B1D1327CB54E139087F0A33F8F643AB82C911779 |
| TrID | 42.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 22.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 14.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | f0e0d8ecf4b4dcf0 (1 x RemcosRAT) |
| Reporter |  1ZRR4H |
| Tags: | 181-131-217-244 77-105-161-126 ardilla00239-ydns-eu exe RemcosRAT |
Intelligence
File Origin
# of uploads :
6
# of downloads :
500
Origin country :
CLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RV_ Remuneración Tutelar Proceso N° 03948939-002024.eml
Verdict:
Malicious activity
Analysis date:
2024-11-28 13:02:15 UTC
Tags:
webdav loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
remcos extens keylog virus
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Searching for the window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
Verdict:
Malicious
Labled as:
Trojan.FU.Generic
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)
Drops large PE files
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
Opens the same file many times (likely Sandbox evasion)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Detection:
remcos
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2024-11-28 21:05:38 UTC
File Type:
PE (Exe)
Extracted files:
69
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 93 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:zutopia discovery persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Adds Run key to start application
Remcos
Remcos family
Malware Config
C2 Extraction:
ardilla00239.ydns.eu:1831
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e8cae42daa17f40a9bcc4b02459af323d3f57130656f0e4b9f64648daae62dc4
MD5 hash:
a9e90b3c93ea4bb802cbfefce488b8b1
SHA1 hash:
af53b8a165c6f855e7d0c3e537760e8131bbd961
Detections:
Remcos
win_remcos_auto
win_remcos_w0
malware_windows_remcos_rat
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
win_remcos_rat_unpacked
SH256 hash:
5e9bcc6a7c8513d711fe7bdb4c269fba85161ed63e4d275e78e1a06fc8d5b285
MD5 hash:
97f943df99f5785bad102ae97f285ed1
SHA1 hash:
d258d11c334cbe41d75b50606680f3b610ee3cfc
Detections:
Remcos
win_remcos_w0
malware_windows_remcos_rat
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
win_remcos_rat_unpacked
SH256 hash:
43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361
MD5 hash:
4d6339eab1f1654594348e436412cd75
SHA1 hash:
4682536719f04dd68304c4561507a8b3222eebd5
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | RansomPyShield_Antiransomware |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP) |
| 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_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteW |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::FindWindowW USER32.dll::FindWindowA |
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