MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6a43f8d13e49fac946dfcd323542f4f77a43c813c9d52a8273d5421f1049fa9e. 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
| SHA256 hash: | 6a43f8d13e49fac946dfcd323542f4f77a43c813c9d52a8273d5421f1049fa9e |
|---|---|
| SHA3-384 hash: | b19d31599302dc97b2346763aaadcdcdde5da2c94de82c66a250ef526e7258dab158ca17444038622185a39bc16f556b |
| SHA1 hash: | 0365f94938094a7a2b5831080871cb077ea64585 |
| MD5 hash: | d2f1d062bc9a850e6cfdf6e3c20c5bd2 |
| humanhash: | fillet-batman-green-single |
| File name: | FedEx 0037811_UK_2023995286_pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 487'238 bytes |
| First seen: | 2023-05-05 11:14:26 UTC |
| Last seen: | 2023-05-13 22:51:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader) |
| ssdeep | 12288:vY8QzGB54XUqsEeRYThzlP7G4J48ZyO4I2CqM:vY8oa6kueElyCgO4Ih |
| Threatray | 1'874 similar samples on MalwareBazaar |
| TLSH | T13CA4230363F28A6BED771E32133795142FF699608CFE16075300D669BA632A18D4F7A7 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | exe FedEx RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
253
Origin country :
NLVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
FedEx 0037811_UK_2023995286_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-05 11:15:15 UTC
Tags:
remcos stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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:
Formbook
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2023-05-05 11:15:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 37 (40.54%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'864 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
64.112.85.218:4888
Unpacked files
SH256 hash:
613e951602b9f6453f8a2b8b152fced5d6927fec4ff6d18408196949b46c5cba
MD5 hash:
f8bc5c1234fa8df202017a16f6089a8e
SHA1 hash:
2a01dbbd7a406233bf210715e8717ea3143be025
SH256 hash:
6a43f8d13e49fac946dfcd323542f4f77a43c813c9d52a8273d5421f1049fa9e
MD5 hash:
d2f1d062bc9a850e6cfdf6e3c20c5bd2
SHA1 hash:
0365f94938094a7a2b5831080871cb077ea64585
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: | iexplorer_remcos |
|---|---|
| Author: | iam-py-test |
| Description: | Detect iexplorer being taken over by Remcos |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
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
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