MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a79174e7371a00a56fd0991adde5e1d50b4cb857681930be331c1532aeea9c6a. 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: 14


Intelligence 14 IOCs YARA 17 File information Comments
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SHA256 hash: a79174e7371a00a56fd0991adde5e1d50b4cb857681930be331c1532aeea9c6a
SHA3-384 hash: b6ede84e61acdf414131949e8e538e60040a101c7c510e5dc11b4c7f370ed077438f4b85b38091e7f43d0610a21d2b97
SHA1 hash: cf4c8eede616b517ef5f3b2f4abe78ab8f86a1ec
MD5 hash: a036c18293ed9aee7f51452835587566
humanhash: crazy-december-grey-robert
File name:confrimation.exe
Download: download sample
Signature RemcosRAT
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File size:1'556'992 bytes
First seen:2024-03-04 05:45:17 UTC
Last seen:2024-03-04 07:26:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9b99fe15d072874d7e38604218abed2b (1 x RemcosRAT, 1 x DBatLoader)
ssdeep 24576:Oins4uvLw6zr2DSpLHnT3s++Gg0w38L2VgLp8GCdE:Omu7pLnE3+2Wp0e
TLSH T1E475D016E2A08533C43327749F9BC6D4D91DBC616938B98E7EE83DD81F3429C252939B
TrID 36.1% (.SCR) Windows screen saver (13097/50/3)
29.0% (.EXE) Win64 Executable (generic) (10523/12/4)
12.4% (.EXE) Win32 Executable (generic) (4504/4/1)
5.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d4ccccc4ccece4b4 (2 x RemcosRAT, 1 x DBatLoader)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
103.186.117.243:1947

Intelligence

File Origin
# of uploads :
2
# of downloads :
441
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
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ID:
1
File name:
a79174e7371a00a56fd0991adde5e1d50b4cb857681930be331c1532aeea9c6a.exe
Verdict:
Malicious activity
Analysis date:
2024-03-04 05:50:18 UTC
Tags:
dbatloader rat remcos keylogger
Link:
https://app.any.run/tasks/7bdb1e50-2d91-4a44-8371-885cc399a141

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.ModiLoader.YK.tr.19448.15788.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint keylogger packed remcos
Link:
https://www.filescan.io/uploads/65e5601b95e2f0fb7a8b6048/reports/2e744be5-4a14-42ee-a781-c67637cfe2b3/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a79174e7371a00a56fd0991adde5e1d50b4cb857681930be331c1532aeea9c6a
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ba4d049a-2166-43c5-bde1-9c48de157696
Result
Threat name:
Remcos, DBatLoader
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Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402322
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
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Early bird code injection technique detected
Found malware configuration
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Creation with Colorcpl
Sigma detected: Suspicious Program Location with Network Connections
Sigma detected: TrustedPath UAC Bypass Pattern
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402322 Sample: confrimation.exe Startdate: 04/03/2024 Architecture: WINDOWS Score: 100 72 forthu.duckdns.org 2->72 74 dual-spov-0006.spov-msedge.net 2->74 76 6 other IPs or domains 2->76 96 Snort IDS alert for network traffic 2->96 98 Found malware configuration 2->98 100 Malicious sample detected (through community Yara rule) 2->100 104 15 other signatures 2->104 12 confrimation.exe 1 5 2->12         started        17 Xjqozfeq.PIF 2->17         started        signatures3 102 Uses dynamic DNS services 72->102 process4 dnsIp5 82 dual-spov-0006.spov-msedge.net 13.107.139.11, 443, 49729, 49730 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->82 66 C:\Windows \System32\netutils.dll, PE32+ 12->66 dropped 68 C:\Windows \System32\1835738.exe, PE32+ 12->68 dropped 70 C:\Users\Public\Xjqozfeq.url, MS 12->70 dropped 122 Early bird code injection technique detected 12->122 124 Allocates memory in foreign processes 12->124 126 Queues an APC in another process (thread injection) 12->126 19 colorcpl.exe 3 16 12->19         started        24 Xjqozfeq.PIF 12->24         started        26 cmd.exe 1 12->26         started        30 3 other processes 12->30 128 Multi AV Scanner detection for dropped file 17->128 28 colorcpl.exe 17->28         started        file6 signatures7 process8 dnsIp9 78 forthu.duckdns.org 103.186.117.243, 1947, 49732 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 19->78 80 geoplugin.net 178.237.33.50, 49733, 80 ATOM86-ASATOM86NL Netherlands 19->80 62 C:\ProgramData\fghfhdf\logs.dat, data 19->62 dropped 108 Contains functionality to bypass UAC (CMSTPLUA) 19->108 110 Contains functionalty to change the wallpaper 19->110 112 Contains functionality to steal Chrome passwords or cookies 19->112 120 4 other signatures 19->120 114 Early bird code injection technique detected 24->114 116 Allocates memory in foreign processes 24->116 32 SndVol.exe 24->32         started        118 Drops executables to the windows directory (C:\Windows) and starts them 26->118 35 1835738.exe 26->35         started        37 conhost.exe 26->37         started        39 extrac32.exe 1 30->39         started        42 conhost.exe 30->42         started        44 conhost.exe 30->44         started        46 conhost.exe 30->46         started        file10 signatures11 process12 file13 84 Contains functionality to bypass UAC (CMSTPLUA) 32->84 86 Contains functionalty to change the wallpaper 32->86 88 Contains functionality to steal Chrome passwords or cookies 32->88 92 2 other signatures 32->92 48 cmd.exe 1 35->48         started        64 C:\Users\Public\Libraries\Xjqozfeq.PIF, PE32 39->64 dropped 90 Drops PE files with a suspicious file extension 39->90 signatures14 process15 signatures16 94 Adds a directory exclusion to Windows Defender 48->94 51 cmd.exe 1 48->51         started        54 conhost.exe 48->54         started        process17 signatures18 106 Adds a directory exclusion to Windows Defender 51->106 56 powershell.exe 21 51->56         started        58 conhost.exe 51->58         started        process19 process20 60 WmiPrvSE.exe 56->60         started       
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a79174e7371a00a56fd0991adde5e1d50b4cb857681930be331c1532aeea9c6a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a79174e7371a00a56fd0991adde5e1d50b4cb857681930be331c1532aeea9c6a/
Threat name:
Win32.Trojan.ModiLoader
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Status:
Malicious
First seen:
2024-03-04 01:18:39 UTC
File Type:
PE (Exe)
Extracted files:
51
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6ixjzzxdiakk36qtenn3zpb2ufuzocxnamtbprtdqktflxktrva._file
Verdict:
suspicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost persistence rat trojan
Link:
https://tria.ge/reports/240304-ggamysbc8z/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
forthu.duckdns.org:1947
Gathering data
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a79174e7371a/report/overview.html
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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::PeekMessageW
user32.dll::CreateWindowExA

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