MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4f43043ac4f71ee0f3416e75534ab2616ae90eb887a083b6f2e39995b334c2bc. 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: 12
| SHA256 hash: | 4f43043ac4f71ee0f3416e75534ab2616ae90eb887a083b6f2e39995b334c2bc |
|---|---|
| SHA3-384 hash: | f0c0a8d9d4746c8b5e27146b566d861ee17fd5727fc9483cf5780bdd3820bd9c86d479084d9fd212056a1982b808970f |
| SHA1 hash: | 580f98f22de58ae61168687a27b1ce82a2d6c4ef |
| MD5 hash: | ff70a1f34a79565782615cafd20b1b4c |
| humanhash: | zulu-india-coffee-two |
| File name: | 02_reversed.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'381'888 bytes |
| First seen: | 2024-09-13 09:42:22 UTC |
| Last seen: | 2024-09-13 10:50:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'735 x Formbook, 12'282 x SnakeKeylogger) |
| ssdeep | 24576:tt882ZnrOFvTaphaPKlvwPfzUMLAPw2Eqi/b2fdQMwnk9ZL96/hpyzm:DPFvTGhvlvorUMQBEq62fdZwGpE66 |
| TLSH | T17855F117FB9689F1CA886B7AC9CB101417B3D5817797EB4A798E13E608437BAEC0D107 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  Racco42 |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
419
Origin country :
ITVendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Tags:
Stealth
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
net_reactor packed packed
Verdict:
Malicious
Labled as:
Malware
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
AI detected suspicious sample
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
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
n/a
Score:
10/10
Tags:
discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4f43043ac4f71ee0f3416e75534ab2616ae90eb887a083b6f2e39995b334c2bc
MD5 hash:
ff70a1f34a79565782615cafd20b1b4c
SHA1 hash:
580f98f22de58ae61168687a27b1ce82a2d6c4ef
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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 (GUARD_CF) | high |
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