MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4825f620ea431958e79491a625aa756aaf26e1305758381d503869b43393a2e0. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4825f620ea431958e79491a625aa756aaf26e1305758381d503869b43393a2e0
SHA3-384 hash: b6d2efdc51007928ee9c25a0b3e5c4b0710ed9cc81435c2e880e0816352c22a88ad31cb22a445e972ff897d8a4f78600
SHA1 hash: 20d68b700ae5d8354312fab130d7c39875e1e519
MD5 hash: 3cdcff9ecdf0ef7399b4326654371b2d
humanhash: georgia-steak-king-grey
File name:SecuriteInfo.com.VHO.Backdoor.Win32.Convagent.gen.1206.2154
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'102'848 bytes
First seen:2021-07-23 23:40:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eeb274539f353457b7607137bc233150 (3 x RemcosRAT, 1 x AveMariaRAT)
ssdeep 12288:5IO9jQgjDHNQNDRHhjeg7NNuWVnTT4I0IVx9nm4vNOpRKaGmjtzeVQ1D2X:SQjFDHNQNDR5ekNNbdTT4C7v3G2
Threatray 5 similar samples on MalwareBazaar
TLSH T147354A366150D470C122357C08175E6CB538ED213AF09C4B25A4FF3DAFBB6B1EE26A5A
dhash icon 72c28292b2a888e0 (7 x RemcosRAT, 1 x BitRAT, 1 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://192.227.158.111/hunt.exe
Verdict:
No threats detected
Analysis date:
2021-07-24 03:45:50 UTC
Tags:
loader
Link:
https://app.any.run/tasks/ec477dd7-6ba0-4a8b-ba86-ef5b189f89a2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/173801/
Detection(s):
SecuriteInfo.com.VHO.Backdoor.Win32.Convagent.gen.1206.2154.UNOFFICIAL
Create hunting rule

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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e2fcf210-fddd-43e6-846f-9d8f4604e098
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/821115
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 453526 Sample: SecuriteInfo.com.VHO.Backdo... Startdate: 24/07/2021 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 5 other signatures 2->57 8 SecuriteInfo.com.VHO.Backdoor.Win32.Convagent.gen.1206.exe 1 24 2->8         started        13 Crudlus.exe 13 2->13         started        15 Crudlus.exe 14 2->15         started        process3 dnsIp4 45 cdn.discordapp.com 162.159.133.233, 443, 49744, 49745 CLOUDFLARENETUS United States 8->45 41 C:\Users\Public\Libraries\...\Crudlus.exe, PE32 8->41 dropped 67 Writes to foreign memory regions 8->67 69 Allocates memory in foreign processes 8->69 71 Creates a thread in another existing process (thread injection) 8->71 17 secinit.exe 2 3 8->17         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        73 Multi AV Scanner detection for dropped file 13->73 75 Injects a PE file into a foreign processes 13->75 25 DpiScaling.exe 13->25         started        47 162.159.130.233, 443, 49764 CLOUDFLARENETUS United States 15->47 49 192.168.2.1 unknown unknown 15->49 27 mobsync.exe 15->27         started        file5 signatures6 process7 dnsIp8 43 twistednerd.dvrlists.com 213.152.187.215, 41078, 49750 GLOBALLAYERNL Netherlands 17->43 59 Contains functionality to steal Chrome passwords or cookies 17->59 61 Contains functionality to inject code into remote processes 17->61 63 Contains functionality to steal Firefox passwords or cookies 17->63 29 reg.exe 1 21->29         started        31 conhost.exe 21->31         started        33 cmd.exe 1 23->33         started        35 conhost.exe 23->35         started        65 Delayed program exit found 25->65 signatures9 process10 process11 37 conhost.exe 29->37         started        39 conhost.exe 33->39         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4825f620ea431958e79491a625aa756aaf26e1305758381d503869b43393a2e0/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-07-23 21:37:35 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jas7mihkimmvrz4usgtclktvnkxsnyjqk5mdqhkqhbu3im4tulqa._file
Verdict:
malicious
Similar samples:
4c0c348d5fe6d35084087f5df83a5d5f15aa75a30b1dc37204f701383a7685eb
RemcosRAT
9803a9ef11eebdd87b948f892924c8cba93fdd62a303e85cc9fb5e0438c532b2
RemcosRAT
e8c59da246fccfab27b1e04e4d2bae1f222e845c9573b7b0c5f01d90aa76a3a3
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:wolf persistence rat trojan
Link:
https://tria.ge/reports/210723-r125qy77v6/
Behaviour
Suspicious use of WriteProcessMemory
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Program crash
Adds Run key to start application
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
twistednerd.dvrlists.com:41078
Unpacked files
SH256 hash:
d174ea83359cec0b0a35da88fa2a1791a1308e35a5e36e83f51a2723e48582a6
MD5 hash:
5c63077607b089e7045eb5e93d8324d9
SHA1 hash:
9ca12c4d6e4a97269d26fe6755aae441276bff42
Link:
https://www.unpac.me/results/e449d7af-f95c-4348-b96d-afc441e6b501/
SH256 hash:
95ff7f65472ffe0a006dce4564834adbdb12792c1735b1d817d26e8fbe5e7090
MD5 hash:
f6c4f63c84be30a184ae18b324e7ca66
SHA1 hash:
aa88bb29e01a15897a2da6b51017ff6f1241235b
Link:
https://www.unpac.me/results/e449d7af-f95c-4348-b96d-afc441e6b501/
SH256 hash:
4825f620ea431958e79491a625aa756aaf26e1305758381d503869b43393a2e0
MD5 hash:
3cdcff9ecdf0ef7399b4326654371b2d
SHA1 hash:
20d68b700ae5d8354312fab130d7c39875e1e519
Link:
https://www.unpac.me/results/e449d7af-f95c-4348-b96d-afc441e6b501/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4825f620ea431958e79491a625aa756aaf26e1305758381d503869b43393a2e0

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_EnvVarScheduledTasks
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 4825f620ea431958e79491a625aa756aaf26e1305758381d503869b43393a2e0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1476785/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/173801/

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