MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 808b1f23a0d9457d31d5abd083b2b81cc68b0a0d3a87e59e9e6d56d773dbde39. 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


Intelligence 18 IOCs YARA 4 File information Comments 1

SHA256 hash: 808b1f23a0d9457d31d5abd083b2b81cc68b0a0d3a87e59e9e6d56d773dbde39
SHA3-384 hash: 452c9b089f60821496aa2e6e12ec4802908d3cc71c698abf30094dd238ebe62cf210b5a6bb3f9f093a6499b404277834
SHA1 hash: a6b4fc0e08e252e9e48bf202e8aedd138b908bf4
MD5 hash: f2f50f70a970ab7b812048cd99e120be
humanhash: lamp-artist-mirror-eleven
File name:f2f50f70a970ab7b812048cd99e120be
Download: download sample
Signature RemcosRAT
File size:480'768 bytes
First seen:2022-08-25 07:07:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:umnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSDn9:WiLJbpI7I2WhQqZ7D9
TLSH T1C2A4AE02BAD2C072D57161344D2AE735DABDBC212835997BB3E61D5BFD30180A73A7B2
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):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
f2f50f70a970ab7b812048cd99e120be
Verdict:
Malicious activity
Analysis date:
2022-08-25 07:10:00 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Enabling the 'hidden' option for recently created files
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe fingerprint greyware keylogger rat shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionalty to change the wallpaper
Delayed program exit found
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2022-08-25 07:08:07 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:clinical
Behaviour
Suspicious use of SetWindowsHookEx
Malware Config
C2 Extraction:
porterflrm.com:2404
Unpacked files
SH256 hash:
808b1f23a0d9457d31d5abd083b2b81cc68b0a0d3a87e59e9e6d56d773dbde39
MD5 hash:
f2f50f70a970ab7b812048cd99e120be
SHA1 hash:
a6b4fc0e08e252e9e48bf202e8aedd138b908bf4
Detections:
win_remcos_auto
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
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

RemcosRAT

Executable exe 808b1f23a0d9457d31d5abd083b2b81cc68b0a0d3a87e59e9e6d56d773dbde39

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-08-25 07:07:05 UTC

url : hxxp://37.139.129.142/htdocs/FtBiZCDkLgAEWaY.exe