MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a425098694cb9cd8a266dc0c7f9551cd79e1ee31be1709da6575fb612a9057aa. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a425098694cb9cd8a266dc0c7f9551cd79e1ee31be1709da6575fb612a9057aa
SHA3-384 hash: 24390f026787d202e678598a73ae27e23c84b171ac3fe63c066e177ca3d2749c1eaefa721330686130e2b68d2ad5c1e5
SHA1 hash: 5c40e3ea5275a708fab14551e7cb74ebd0eb3b5d
MD5 hash: 6d2096705b059ae5774d8e2e23d04947
humanhash: beryllium-illinois-eleven-sodium
File name:SecuriteInfo.com.Variant.Zusy.436583.2760.5345
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:956'416 bytes
First seen:2022-09-03 03:36:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5c22b7601862b7d06916c71e43b4678e (2 x RemcosRAT)
ssdeep 12288:5R7Vk/CX4DNcFZcuhXC2P6HbzRAwEPT7greS/8GTN40JIyLrFHJymf7fvM1:5RBkayNiZJvInR7XN40JIyLrFHDvk
TLSH T1C2159FF7B2E08633D0371A78CD57A7A8DE357E412914E94E67F12ACCCF381826426667
TrID 93.9% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
2.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.8% (.SCR) Windows screen saver (13101/52/3)
0.6% (.EXE) Win32 Executable (generic) (4505/5/1)
0.4% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon ecf4b2b2b2d4d4dc (6 x ModiLoader, 2 x Formbook, 2 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
503
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Zusy.436583.2760.5345
Verdict:
Malicious activity
Analysis date:
2022-09-03 03:37:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/64ff44ac-dd02-4080-9830-835790c04be3

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/307543/
Detection(s):
SecuriteInfo.com.Variant.Zusy.436583.2760.5345.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
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
Link:
https://dragonfly.certego.net/analysis/36470/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive keylogger remcos zusy
Link:
https://www.filescan.io/uploads/6312cc377b577147f954fd44/reports/c03191ca-47a2-4f57-b9f3-8c4d44546327/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c43ac9d2-faf1-4372-9c39-051cb5fb4cd3
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1064429
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suspicious powershell command line found
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 696955 Sample: SecuriteInfo.com.Variant.Zu... Startdate: 03/09/2022 Architecture: WINDOWS Score: 100 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 83 Multi AV Scanner detection for dropped file 2->83 85 9 other signatures 2->85 10 SecuriteInfo.com.Variant.Zusy.436583.2760.5345.exe 1 23 2->10         started        15 Eufkajpoz.exe 15 2->15         started        17 Eufkajpoz.exe 2->17         started        process3 dnsIp4 63 uscyqw.db.files.1drv.com 10->63 71 2 other IPs or domains 10->71 53 C:\Users\Public\Librariesufkajpoz.exe, PE32 10->53 dropped 55 C:\Users\...ufkajpoz.exe:Zone.Identifier, ASCII 10->55 dropped 57 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->57 dropped 59 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->59 dropped 99 Writes to foreign memory regions 10->99 101 Allocates memory in foreign processes 10->101 103 Creates a thread in another existing process (thread injection) 10->103 19 cmd.exe 3 10->19         started        22 iexpress.exe 10->22         started        65 uscyqw.db.files.1drv.com 15->65 73 2 other IPs or domains 15->73 105 Multi AV Scanner detection for dropped file 15->105 107 Machine Learning detection for dropped file 15->107 109 Injects a PE file into a foreign processes 15->109 24 iexpress.exe 15->24         started        67 192.168.2.1 unknown unknown 17->67 69 uscyqw.db.files.1drv.com 17->69 75 2 other IPs or domains 17->75 27 iexpress.exe 17->27         started        file5 signatures6 process7 dnsIp8 87 Uses ping.exe to sleep 19->87 89 Drops executables to the windows directory (C:\Windows) and starts them 19->89 91 Uses ping.exe to check the status of other devices and networks 19->91 29 easinvoker.exe 19->29         started        31 PING.EXE 1 19->31         started        34 xcopy.exe 2 19->34         started        37 6 other processes 19->37 61 lionsguard.ddns.net 194.147.140.27, 49765, 5074 PTPEU unknown 24->61 signatures9 process10 dnsIp11 39 cmd.exe 1 29->39         started        77 127.0.0.1 unknown unknown 31->77 49 C:\Windows \System32\easinvoker.exe, PE32+ 34->49 dropped 51 C:\Windows \System32\netutils.dll, PE32+ 37->51 dropped file12 process13 signatures14 93 Suspicious powershell command line found 39->93 95 Adds a directory exclusion to Windows Defender 39->95 42 powershell.exe 27 39->42         started        45 conhost.exe 39->45         started        process15 signatures16 97 DLL side loading technique detected 42->97 47 conhost.exe 42->47         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a425098694cb9cd8a266dc0c7f9551cd79e1ee31be1709da6575fb612a9057aa/
Threat name:
Win32.Trojan.Zusy
Create hunting rule
Status:
Malicious
First seen:
2022-09-03 00:06:03 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uqsqtbuuzoonritg3qgh7fkrzv46d3rrxylqtwtfox5wckuqk6va._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:godown persistence rat trojan
Link:
https://tria.ge/reports/220903-d6gwsabce8/
Behaviour
Enumerates system info in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
lionsguard.ddns.net:5074
Unpacked files
SH256 hash:
1522d5420017b1a441879eb3b82dc865cb51683e52eb4360350aa8863cc231f4
MD5 hash:
9677c1e5bda56255f94796b4d5e715d8
SHA1 hash:
99d81e250fe6df765208d861cdb8c59f13534ff0
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/f3c07d2e-d636-436c-9198-721e9f3dfd1e/
Parent samples :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 hash:
a425098694cb9cd8a266dc0c7f9551cd79e1ee31be1709da6575fb612a9057aa
MD5 hash:
6d2096705b059ae5774d8e2e23d04947
SHA1 hash:
5c40e3ea5275a708fab14551e7cb74ebd0eb3b5d
Link:
https://www.unpac.me/results/f3c07d2e-d636-436c-9198-721e9f3dfd1e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a425098694cb/report/overview.html
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/a425098694cb9cd8a266dc0c7f9551cd79e1ee31be1709da6575fb612a9057aa

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
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:SUSP_VBS_Wscript_Shell
Create hunting rule
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
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/307543/

Comments