MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2603fdcd24aba4629f3a8e3822f8c8ca84a97c89f163e05f9f5e1492da81036. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c2603fdcd24aba4629f3a8e3822f8c8ca84a97c89f163e05f9f5e1492da81036
SHA3-384 hash: c42a247b19cec417d7ad1e11470f4a9e416a96ff913e1d231186b62fd7c8ea52fc009a6ffc6cff1a4a9c341e04c5c744
SHA1 hash: 4f46cd8e752cc5937a32fefa01bcde8061eb5b73
MD5 hash: 4205e9fe92e166b7646469a84217cab3
humanhash: charlie-eighteen-avocado-april
File name:SecuriteInfo.com.Win32.DropperX-gen.19020.29434
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'113'600 bytes
First seen:2023-08-03 13:45:00 UTC
Last seen:2023-08-03 14:30:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 051f371797f6e597d48d110e8ed68eca (1 x RemcosRAT, 1 x ModiLoader)
ssdeep 24576:+GBEKQCWCWF4bH7yT+YLWPP7/NCo9LboxSYVuDpa7Dfavrjnpi0JN:rDpd7/NCgLRYwNa7mvrjJ
Threatray 2'380 similar samples on MalwareBazaar
TLSH T1C135CF27B3E54677F22334754C87A2B5DCA97D2029357C4267E13E89BA3B2403F186A7
TrID 30.5% (.SCR) Windows screen saver (13097/50/3)
24.5% (.EXE) Win64 Executable (generic) (10523/12/4)
15.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win32 Executable (generic) (4505/5/1)
4.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 80b4f0c4e4d2d400 (3 x ModiLoader, 1 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
297
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.DropperX-gen.19020.29434
Verdict:
Malicious activity
Analysis date:
2023-08-03 13:46:37 UTC
Tags:
dbatloader
Link:
https://app.any.run/tasks/4d5cff01-8d58-4130-95c1-f8e0d74b9218

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/440092/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.19020.29434.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
DNS request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control keylogger lolbin packed
Link:
https://www.filescan.io/uploads/64cbaf60539838c2be521768/reports/4b89cff5-6366-402c-94ae-f3d27c01f0c1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/c2603fdcd24aba4629f3a8e3822f8c8ca84a97c89f163e05f9f5e1492da81036
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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0c8e2f39-4576-45e9-998f-476527f2dd0c
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1285125
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sample uses process hollowing technique
Sigma detected: Remcos
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
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 CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1285125 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 03/08/2023 Architecture: WINDOWS Score: 100 82 Snort IDS alert for network traffic 2->82 84 Multi AV Scanner detection for domain / URL 2->84 86 Found malware configuration 2->86 88 13 other signatures 2->88 10 SecuriteInfo.com.Win32.DropperX-gen.19020.29434.exe 1 7 2->10         started        process3 dnsIp4 60 biopharmzpharma.com 162.210.70.199, 443, 49719 PUBLIC-DOMAIN-REGISTRYUS United States 10->60 62 www.biopharmzpharma.com 10->62 54 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->54 dropped 56 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->56 dropped 58 C:\Users\Public\Libraries58smhenzv.PIF, PE32 10->58 dropped 102 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 10->102 104 Drops PE files with a suspicious file extension 10->104 106 Writes to foreign memory regions 10->106 108 2 other signatures 10->108 15 colorcpl.exe 5 16 10->15         started        19 cmd.exe 3 10->19         started        file5 signatures6 process7 dnsIp8 66 www.akbeyaztckstil.com 194.180.48.209, 32676, 49720, 49721 LVLT-10753US Germany 15->66 68 geoplugin.net 178.237.33.50, 49722, 80 ATOM86-ASATOM86NL Netherlands 15->68 70 192.168.2.1 unknown unknown 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 21 colorcpl.exe 15->21         started        24 colorcpl.exe 15->24         started        26 colorcpl.exe 15->26         started        36 9 other processes 15->36 76 Uses ping.exe to sleep 19->76 78 Drops executables to the windows directory (C:\Windows) and starts them 19->78 80 Uses ping.exe to check the status of other devices and networks 19->80 28 easinvoker.exe 19->28         started        30 PING.EXE 1 19->30         started        33 xcopy.exe 2 19->33         started        38 6 other processes 19->38 signatures9 process10 dnsIp11 90 Tries to steal Instant Messenger accounts or passwords 21->90 92 Tries to steal Mail credentials (via file / registry access) 21->92 40 cmd.exe 1 28->40         started        64 127.0.0.1 unknown unknown 30->64 50 C:\Windows \System32\easinvoker.exe, PE32+ 33->50 dropped 94 Tries to harvest and steal browser information (history, passwords, etc) 36->94 52 C:\Windows \System32\netutils.dll, PE32+ 38->52 dropped file12 signatures13 process14 signatures15 96 Suspicious powershell command line found 40->96 98 Adds a directory exclusion to Windows Defender 40->98 43 powershell.exe 23 40->43         started        46 conhost.exe 40->46         started        process16 signatures17 100 DLL side loading technique detected 43->100 48 conhost.exe 43->48         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c2603fdcd24aba4629f3a8e3822f8c8ca84a97c89f163e05f9f5e1492da81036/
Threat name:
Win32.Trojan.Zusy
Create hunting rule
Status:
Malicious
First seen:
2023-08-03 10:30:30 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yjqd7xgsjk5emkptvdryel4mrsuevf6it4ld4bpz6xquslnica3a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
009bdad48405a11c887a397ea42fc93fc730ec39e63e5c61f3f8df31ff34c1f1
RemcosRAT
1c24ed06a4d38c863c4016a0489f66934b9167269b958a17dcdbb6ecae3baf18
RemcosRAT
5e75e6201d276c99cbac6caf0e2ddca24e0937867fd141c4fa3a70fdeee7782d
RemcosRAT
8c80ec1c91dcd77ea0be5d0e53e289a6bc0ed764a12f9262ba979f579bb25591
RemcosRAT
ad5e18d32f403ca4871f3d4b222c84821a6b6ba74ec858cc99eb00c66bb6bddb
RemcosRAT
f56f255d748be9370700d75eab9e32735fe802f885c81f88d0c8b91f022c2673
RemcosRAT
+ 2'370 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:trukeynewlogs persistence rat trojan
Link:
https://tria.ge/reports/230803-q2d1jsef3y/
Behaviour
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
www.akbeyaztckstil.com:32676
Unpacked files
SH256 hash:
c31ef0684ba282b2771e4f43da1c0ca89957677f7b56ccd74e0511bc48181241
MD5 hash:
2a6c03742debbfd01501f9dfa45475d3
SHA1 hash:
f796351a8778914c51413885b31ba90be8e95637
Link:
https://www.unpac.me/results/bef05c13-1f5d-4b6f-b89d-49b4939fe863/
SH256 hash:
fddd8db05e08e6071714b77e7be5ad33786cf5682be124235cb5ec409dbc54bb
MD5 hash:
74075f071354c9ebfb0de34d0e9920c6
SHA1 hash:
dcd4154bf56903fc0926f46224e495fa5bfdf923
Link:
https://www.unpac.me/results/bef05c13-1f5d-4b6f-b89d-49b4939fe863/
SH256 hash:
790dbf9edb7c46b1a0cc3ede03ac32a264e938737e41d67351607465a6792e78
MD5 hash:
69c031b1120d5e37c841634f68351b01
SHA1 hash:
57e6d4986489248b965aa9dc5e04bc5011b5b8d2
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/bef05c13-1f5d-4b6f-b89d-49b4939fe863/
SH256 hash:
c2603fdcd24aba4629f3a8e3822f8c8ca84a97c89f163e05f9f5e1492da81036
MD5 hash:
4205e9fe92e166b7646469a84217cab3
SHA1 hash:
4f46cd8e752cc5937a32fefa01bcde8061eb5b73
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/bef05c13-1f5d-4b6f-b89d-49b4939fe863/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c2603fdcd24a/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/c2603fdcd24aba4629f3a8e3822f8c8ca84a97c89f163e05f9f5e1492da81036

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:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:without_attachments
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

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/440092/

Comments