MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbffd5f06f2ccb9ad414b070621591dfa2cc7c181f164371ebaf6d5a75f2f546. 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: 17


Intelligence 17 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dbffd5f06f2ccb9ad414b070621591dfa2cc7c181f164371ebaf6d5a75f2f546
SHA3-384 hash: 576354975c125100744c32d366257c3099e3d3c374e65af97d7209d03531b1c79e7b3c505bde662513cab79850fb1ea0
SHA1 hash: 1978c862031fc937077de8194c629a91caf68503
MD5 hash: 1e95eb48d695afe91c047b6cddfe5bc8
humanhash: beer-echo-delaware-five
File name:OEC ISF FORM-20250326-GCE SO 1047 - SO 1047 HBL # OERT101510Y00039.xls.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'783'296 bytes
First seen:2025-03-28 11:19:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5a551b83fc84cd1ff138bd23e20f4366 (2 x RemcosRAT)
ssdeep 24576:7gvMTgfHxu3/ICpRODsFe6B8mx43wLCM+B4XsoY/L71zmNlY2P5B546/yC:7gnxg/y3M0BkS/LhzIlpP5B54s
Threatray 804 similar samples on MalwareBazaar
TLSH T1F385BE527350C8F2D1521E7C8F6FE2DCE9B6BEE01D14B86517D65F4CCE292A0393A292
TrID 94.6% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
2.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.4% (.EXE) Win64 Executable (generic) (10522/11/4)
0.6% (.EXE) Win32 Executable (generic) (4504/4/1)
0.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon cccc8c34644a4e24 (5 x RemcosRAT, 1 x MassLogger)
Reporter TeamDreier
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
426
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
OEC ISF FORM-20250326-GCE SO 1047 - SO 1047 HBL # OERT101510Y00039.xls.scr
Verdict:
Malicious activity
Analysis date:
2025-03-28 11:31:57 UTC
Tags:
delphi dbatloader loader remcos rat remote stealer
Link:
https://app.any.run/tasks/6c5335f4-c2fb-4880-aa6d-ea335fe6a757

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Modiloader-10042434-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e686bc855e5ec52409130f
Tags:
underscore delphi remcos lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context borland_delphi explorer fingerprint keylogger lolbin masquerade packed packed packer_detected remcos
Link:
https://www.filescan.io/uploads/67e685fbf274bf2d8e272870/reports/ff807171-925b-4c5d-9600-0a91a00e6ea1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/dbffd5f06f2ccb9ad414b070621591dfa2cc7c181f164371ebaf6d5a75f2f546
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:
Malicious
Link:
https://analyze.intezer.com/analyses/dd5968b2-a100-4068-ba42-e97eeb965ca4
Result
Threat name:
DBatLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1651064
Signature
Allocates many large memory junks
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Drops PE files with a suspicious file extension
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Suricata IDS alerts for network traffic
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)
Tries to steal Mail credentials (via file registry)
Uses an obfuscated file name to hide its real file extension (double extension)
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 dnsIp2 2 Behavior Graph ID: 1651064 Sample: OEC ISF FORM-20250326-GCE S... Startdate: 28/03/2025 Architecture: WINDOWS Score: 100 61 geoplugin.net 2->61 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 17 other signatures 2->75 10 OEC ISF FORM-20250326-GCE SO 1047 - SO 1047 HBL # OERT101510Y00039.xls.scr.exe 3 11 2->10         started        14 Amchqbev.PIF 2->14         started        16 wsp.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 file5 55 C:\Users\user\Links\Amchqbev.PIF, PE32 10->55 dropped 57 C:\ProgramData\WSP\wsp.exe, PE32 10->57 dropped 59 C:\ProgramData\WSP\wsp.exe:Zone.Identifier, ASCII 10->59 dropped 89 Creates autostart registry keys with suspicious names 10->89 91 Creates multiple autostart registry keys 10->91 93 Allocates many large memory junks 10->93 20 wsp.exe 4 14 10->20         started        24 cmd.exe 1 10->24         started        26 cmd.exe 1 10->26         started        95 Multi AV Scanner detection for dropped file 14->95 97 Contains functionalty to change the wallpaper 14->97 signatures6 process7 dnsIp8 63 104.250.180.178, 49683, 49684, 7902 M247GB United States 20->63 65 geoplugin.net 178.237.33.50, 49685, 80 ATOM86-ASATOM86NL Netherlands 20->65 77 Multi AV Scanner detection for dropped file 20->77 79 Writes to foreign memory regions 20->79 81 Maps a DLL or memory area into another process 20->81 87 2 other signatures 20->87 28 recover.exe 2 20->28         started        31 recover.exe 1 20->31         started        33 recover.exe 1 20->33         started        83 Uses ping.exe to sleep 24->83 85 Uses ping.exe to check the status of other devices and networks 24->85 35 esentutl.exe 2 24->35         started        38 conhost.exe 24->38         started        40 alpha.pif 2 24->40         started        42 alpha.pif 2 24->42         started        44 PING.EXE 1 26->44         started        47 conhost.exe 26->47         started        signatures9 process10 dnsIp11 99 Tries to steal Mail credentials (via file registry) 28->99 101 Tries to harvest and steal browser information (history, passwords, etc) 28->101 103 Tries to steal Instant Messenger accounts or passwords 31->103 105 Tries to steal Mail credentials (via file / registry access) 31->105 53 C:\Users\Public\alpha.pif, PE32 35->53 dropped 107 Drops PE files to the user root directory 35->107 109 Drops PE files with a suspicious file extension 35->109 111 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 35->111 49 MpCmdRun.exe 35->49         started        67 127.0.0.1 unknown unknown 44->67 file12 signatures13 process14 process15 51 conhost.exe 49->51         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dbffd5f06f2ccb9ad414b070621591dfa2cc7c181f164371ebaf6d5a75f2f546
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dbffd5f06f2ccb9ad414b070621591dfa2cc7c181f164371ebaf6d5a75f2f546/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-03-28 11:20:24 UTC
File Type:
PE (Exe)
Extracted files:
65
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3p75l4dpftfzvvauwbygefmr36rmy7ayd4leg4plv5wvu5ps6vda._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
dbatloader
Create hunting rule
Similar samples:
2d4a0802f338b3b4a174963bbb8e76c13ef958a42265f51af1f746736c6c8451
RemcosRAT
3fa271144c7a9185fdb82951db8a4aa94c38e94e1dbdcbe6e00f2e18591387f5
RemcosRAT
7e40808321b27f4f1efe0972adc667ff4bd65c1ea4291dfae2925d3e222351e3
RemcosRAT
de33e7ff04e6d11f0e69bf2db0158c6f15d243352a51f6975de56c96b676b00e
RemcosRAT
e4808f0dcd8731d7642a89fefad15205ec001eb6f1819280fb664a478a22613b
RemcosRAT
ecd14c3cf75fd350c3dbb849d5fea36c8f00d66665a67d1f0ed1d41c8f7a7648
RemcosRAT
error
RemcosRAT
+ 794 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader discovery persistence trojan
Link:
https://tria.ge/reports/250328-nfk6mavxbt/
Behaviour
Runs ping.exe
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Verdict:
Malicious
Tags:
Win.Trojan.Modiloader-10042434-0
YARA:
n/a
Link:
https://app.threat.zone/submission/09c32d86-142a-4d71-90b2-44f84b5a3ce0
Unpacked files
SH256 hash:
dbffd5f06f2ccb9ad414b070621591dfa2cc7c181f164371ebaf6d5a75f2f546
MD5 hash:
1e95eb48d695afe91c047b6cddfe5bc8
SHA1 hash:
1978c862031fc937077de8194c629a91caf68503
Link:
https://www.unpac.me/results/f374676f-9523-4db1-9e2b-f1ad49b154c8/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dbffd5f06f2c/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/dbffd5f06f2ccb9ad414b070621591dfa2cc7c181f164371ebaf6d5a75f2f546

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:Windows_Generic_Threat_d7b57912
Create hunting rule
Author:Elastic Security
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
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
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.

Malspam

RemcosRAT

Executable exe dbffd5f06f2ccb9ad414b070621591dfa2cc7c181f164371ebaf6d5a75f2f546

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
shell32.dll::SHGetFileInfoA
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::DeleteFileA
kernel32.dll::GetFileAttributesA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowA
user32.dll::OpenClipboard
user32.dll::PeekMessageA

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