MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dfdf69495554eac6436be0c085e8856c7de4aca3eaeb7e503f5ae7ad90a4f0f8. 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: 16
| SHA256 hash: | dfdf69495554eac6436be0c085e8856c7de4aca3eaeb7e503f5ae7ad90a4f0f8 |
|---|---|
| SHA3-384 hash: | b52f27c5cd165a78572635ce43f6ede83e4c0f9052a1af0b55f389af627f23dfb1ec9b1b54801e3e604fa2d3495a47f8 |
| SHA1 hash: | 7e0070d2d50c0d190a378a75289cedac95f0e189 |
| MD5 hash: | 3dd7917f2a79694cfbc0fa0cd1f240f7 |
| humanhash: | august-mirror-river-beer |
| File name: | xffa8yu1wWRN.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 490'496 bytes |
| First seen: | 2023-05-29 16:04:25 UTC |
| Last seen: | 2023-05-29 16:19:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3f3d4ba55ce3e8f736704310c56bf5aa (12 x RemcosRAT) |
| ssdeep | 6144:41EwL0xQk9VdeLuVnQs8QLgt8cBvnkCX/3Rde+A+DdsAOZZiXXPcNV2OhX:41EZT90uNQzYgScBvnn/XpTs/Zi9OhX |
| Threatray | 1'951 similar samples on MalwareBazaar |
| TLSH | T183A4BF01B9C1C072D57661300D2AF775DAB9BD202926497BB3DA1D9BFE30190B63A7B3 |
| TrID | 32.2% (.EXE) Win64 Executable (generic) (10523/12/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4505/5/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm) |
| Reporter |  pmelson |
| Tags: | exe remcos RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
295
Origin country :
USVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
xffa8yu1wWRN.exe
Verdict:
Malicious activity
Analysis date:
2023-05-29 16:06:56 UTC
Tags:
keylogger remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cmd.exe evasive exploit explorer.exe fingerprint greyware keylogger lolbin rat shell32.dll
Verdict:
Malicious
Labled as:
Remcos.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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
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
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-05-29 16:05:06 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'941 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:mayo2023
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Deletes itself
Malware Config
C2 Extraction:
hotsdefender.webredirect.org:2404
Unpacked files
SH256 hash:
dfdf69495554eac6436be0c085e8856c7de4aca3eaeb7e503f5ae7ad90a4f0f8
MD5 hash:
3dd7917f2a79694cfbc0fa0cd1f240f7
SHA1 hash:
7e0070d2d50c0d190a378a75289cedac95f0e189
Detections:
Remcos
win_remcos_auto
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: | 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: | 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.
Web download
Delivery method
Distributed via web download
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