MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e03a40e689b0ce40227d155c33d3f9817534f0e1bd63e26bbfa80ee60755b783. 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


Intelligence 12 IOCs YARA 10 File information Comments

SHA256 hash: e03a40e689b0ce40227d155c33d3f9817534f0e1bd63e26bbfa80ee60755b783
SHA3-384 hash: c2b22fde18e1a31be3acfe8893039233f300074804293044b2711608309043733bcc91e4b1202bb3b32a925099f40ef8
SHA1 hash: 94893ac13fd47aa7a50ea92c62a597fbde9abea3
MD5 hash: 9184b85a271913fcaea0824d2748c821
humanhash: snake-missouri-april-network
File name:SecuriteInfo.com.Variant.Zusy.427939.15383.5259
Download: download sample
Signature RemcosRAT
File size:912'896 bytes
First seen:2022-07-01 08:01:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 96f6f9a6477a1084212a6d5f12ff3586 (3 x RemcosRAT)
ssdeep 12288:hSH1x/NoKtuSn5/S5/6zbxkRrf1iX1+I+kabKnfIaxLneGt3vmmcSwuS:wH1BOSn0O1+7OvCy
TLSH T144155B2AB191C432D1E21E359D8B57F56937BE802A28A9462BE43D4D7F387523C3D1B3
TrID 46.4% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
31.5% (.EXE) Win32 Executable Borland Delphi 5 (451463/56/28)
18.3% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
0.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
0.9% (.SCR) Windows screen saver (13101/52/3)
File icon (PE):PE icon
dhash icon 70959a9c8cdc5ab0 (3 x RemcosRAT, 2 x DBatLoader, 1 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
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:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
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)
Detected Remcos RAT
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 655583 Sample: SecuriteInfo.com.Variant.Zu... Startdate: 01/07/2022 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 5 other signatures 2->49 6 SecuriteInfo.com.Variant.Zusy.427939.15383.exe 1 18 2->6         started        11 Xelzqrqjvg.exe 13 2->11         started        13 Xelzqrqjvg.exe 14 2->13         started        process3 dnsIp4 27 cdn.discordapp.com 162.159.134.233, 443, 49740, 49742 CLOUDFLARENETUS United States 6->27 23 C:\Users\Public\Libraries\Xelzqrqjvg.exe, PE32 6->23 dropped 25 C:\Users\...\Xelzqrqjvg.exe:Zone.Identifier, ASCII 6->25 dropped 51 Writes to foreign memory regions 6->51 53 Allocates memory in foreign processes 6->53 55 Creates a thread in another existing process (thread injection) 6->55 15 logagent.exe 2 6->15         started        29 162.159.129.233, 443, 49777 CLOUDFLARENETUS United States 11->29 57 Multi AV Scanner detection for dropped file 11->57 59 Injects a PE file into a foreign processes 11->59 19 logagent.exe 11->19         started        31 162.159.133.233, 443, 49806 CLOUDFLARENETUS United States 13->31 21 logagent.exe 13->21         started        file5 signatures6 process7 dnsIp8 33 blessmelord1.ddns.net 80.66.64.132, 49817, 6375 VAD-SRL-AS1MD Russian Federation 15->33 35 Found stalling execution ending in API Sleep call 15->35 37 Contains functionality to steal Chrome passwords or cookies 15->37 39 Contains functionality to capture and log keystrokes 15->39 41 2 other signatures 15->41 signatures9
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2022-07-01 08:02:10 UTC
File Type:
PE (Exe)
Extracted files:
51
AV detection:
12 of 41 (29.27%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:gaga persistence rat trojan
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
blessmelord1.ddns.net:6375
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
SH256 hash:
e03a40e689b0ce40227d155c33d3f9817534f0e1bd63e26bbfa80ee60755b783
MD5 hash:
9184b85a271913fcaea0824d2748c821
SHA1 hash:
94893ac13fd47aa7a50ea92c62a597fbde9abea3
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:ach_RemcosRAT
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:SUSP_VBS_Wscript_Shell
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon
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.

Comments